Hello, kernel test robot noticed a -33.7% regression of unixbench.throughput on: commit: d042dae6ad74df8a00ee8a3c6b77b53bc9e32f64 ("lockref: speculatively spin waiting for the lock to be released") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master testcase: unixbench test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory parameters: runtime: 300s nr_task: 100% test: shell1 cpufreq_governor: performance In addition to that, the commit also has significant impact on the following tests: +------------------+-------------------------------------------------------------------------------------------+ | testcase: change | stress-ng: stress-ng.getdent.ops_per_sec -56.5% regression | | test machine | 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory | | test parameters | cpufreq_governor=performance | | | disk=1HDD | | | fs=ext4 | | | nr_threads=100% | | | test=getdent | | | testtime=60s | +------------------+-------------------------------------------------------------------------------------------+ | testcase: change | stress-ng: stress-ng.getdent.ops_per_sec -54.6% regression | | test machine | 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory | | test parameters | cpufreq_governor=performance | | | disk=1HDD | | | fs=xfs | | | nr_threads=100% | | | test=getdent | | | testtime=60s | +------------------+-------------------------------------------------------------------------------------------+ | testcase: change | stress-ng: stress-ng.handle.ops_per_sec -60.2% regression | | test machine | 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory | | test parameters | cpufreq_governor=performance | | | disk=1HDD | | | fs=btrfs | | | nr_threads=100% | | | test=handle | | | testtime=60s | +------------------+-------------------------------------------------------------------------------------------+ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <oliver.sang@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-lkp/202406270912.633e6c61-oliver.sang@xxxxxxxxx Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240627/202406270912.633e6c61-oliver.sang@xxxxxxxxx ========================================================================================= compiler/cpufreq_governor/kconfig/nr_task/rootfs/runtime/tbox_group/test/testcase: gcc-13/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/300s/lkp-icl-2sp9/shell1/unixbench commit: 267574dee6 ("bcachefs: remove now spurious i_state initialization") d042dae6ad ("lockref: speculatively spin waiting for the lock to be released") 267574dee6ae0da6 d042dae6ad74df8a00ee8a3c6b7 ---------------- --------------------------- %stddev %change %stddev \ | \ 66668 ± 21% -42.2% 38533 ± 38% numa-meminfo.node1.Mapped 18895 -16.6% 15755 uptime.idle 1.694e+10 -19.3% 1.368e+10 cpuidle..time 1.73e+08 -34.6% 1.131e+08 cpuidle..usage 2519063 -10.4% 2257044 meminfo.Active 2518692 -10.4% 2256964 meminfo.Active(anon) 98218 ± 3% -14.3% 84210 meminfo.Mapped 2632805 -10.8% 2348382 meminfo.Shmem 4.637e+08 -33.5% 3.083e+08 numa-numastat.node0.local_node 4.638e+08 -33.5% 3.083e+08 numa-numastat.node0.numa_hit 4.623e+08 -33.4% 3.078e+08 numa-numastat.node1.local_node 4.624e+08 -33.4% 3.078e+08 numa-numastat.node1.numa_hit 42.33 -19.7% 33.98 vmstat.cpu.id 38.88 ± 2% +19.5% 46.46 ± 2% vmstat.procs.r 598112 -31.3% 410958 vmstat.system.cs 339581 -24.9% 255122 vmstat.system.in 4.637e+08 -33.5% 3.083e+08 numa-vmstat.node0.numa_hit 4.637e+08 -33.5% 3.083e+08 numa-vmstat.node0.numa_local 16902 ± 22% -41.4% 9904 ± 38% numa-vmstat.node1.nr_mapped 4.623e+08 -33.4% 3.078e+08 numa-vmstat.node1.numa_hit 4.623e+08 -33.4% 3.078e+08 numa-vmstat.node1.numa_local 3589 ± 2% -21.5% 2817 perf-c2c.DRAM.local 23348 -13.7% 20144 perf-c2c.DRAM.remote 21000 -12.5% 18378 perf-c2c.HITM.local 15566 -15.1% 13213 perf-c2c.HITM.remote 36567 -13.6% 31591 perf-c2c.HITM.total 42.20 -8.4 33.82 mpstat.cpu.all.idle% 0.00 ± 40% -0.0 0.00 ± 46% mpstat.cpu.all.iowait% 0.94 -0.2 0.72 mpstat.cpu.all.irq% 0.58 -0.1 0.44 mpstat.cpu.all.soft% 48.63 +11.3 59.91 mpstat.cpu.all.sys% 7.66 -2.5 5.11 mpstat.cpu.all.usr% 63.66 +12.8% 71.79 mpstat.max_utilization_pct 32070 -33.7% 21253 unixbench.score 135979 -33.7% 90114 unixbench.throughput 8158942 -25.3% 6093181 unixbench.time.involuntary_context_switches 290307 ± 3% -45.0% 159813 ± 3% unixbench.time.major_page_faults 1.151e+09 -33.6% 7.644e+08 unixbench.time.minor_page_faults 3513 +16.5% 4092 unixbench.time.percent_of_cpu_this_job_got 17556 +34.0% 23525 unixbench.time.system_time 4600 -50.2% 2290 unixbench.time.user_time 1.87e+08 -26.4% 1.377e+08 unixbench.time.voluntary_context_switches 85735355 -33.7% 56816908 unixbench.workload 629615 -10.4% 564266 proc-vmstat.nr_active_anon 1444170 -5.0% 1372570 proc-vmstat.nr_file_pages 208895 -2.6% 203360 proc-vmstat.nr_inactive_anon 24755 ± 3% -14.4% 21183 proc-vmstat.nr_mapped 658148 -10.8% 587129 proc-vmstat.nr_shmem 26716 -1.3% 26369 proc-vmstat.nr_slab_reclaimable 47823 -2.1% 46838 proc-vmstat.nr_slab_unreclaimable 629615 -10.4% 564266 proc-vmstat.nr_zone_active_anon 208896 -2.7% 203360 proc-vmstat.nr_zone_inactive_anon 9.261e+08 -33.5% 6.161e+08 proc-vmstat.numa_hit 9.26e+08 -33.5% 6.161e+08 proc-vmstat.numa_local 637452 -8.6% 582748 proc-vmstat.pgactivate 1.644e+09 -33.5% 1.093e+09 proc-vmstat.pgalloc_normal 1.154e+09 -33.5% 7.669e+08 proc-vmstat.pgfault 1.643e+09 -33.5% 1.092e+09 proc-vmstat.pgfree 56834055 -33.4% 37832459 proc-vmstat.pgreuse 1352648 -33.5% 898973 proc-vmstat.thp_fault_alloc 18937408 -33.5% 12585970 proc-vmstat.unevictable_pgs_culled 3.37 -3.3% 3.26 perf-stat.i.MPKI 1.367e+10 -26.4% 1.006e+10 perf-stat.i.branch-instructions 1.65 -0.1 1.54 perf-stat.i.branch-miss-rate% 2.225e+08 -31.8% 1.517e+08 perf-stat.i.branch-misses 22.57 +0.6 23.19 perf-stat.i.cache-miss-rate% 2.309e+08 -30.4% 1.607e+08 perf-stat.i.cache-misses 1.01e+09 -32.4% 6.832e+08 perf-stat.i.cache-references 600019 -31.3% 412413 perf-stat.i.context-switches 2.03 +54.9% 3.14 perf-stat.i.cpi 1.388e+11 +12.2% 1.558e+11 perf-stat.i.cpu-cycles 149359 -41.6% 87198 perf-stat.i.cpu-migrations 607.93 +58.6% 964.42 perf-stat.i.cycles-between-cache-misses 6.741e+10 -28.0% 4.856e+10 perf-stat.i.instructions 0.50 -33.4% 0.33 perf-stat.i.ipc 459.84 ± 3% -45.0% 252.95 ± 3% perf-stat.i.major-faults 67.57 -33.6% 44.90 perf-stat.i.metric.K/sec 1788636 -33.6% 1187710 perf-stat.i.minor-faults 1789096 -33.6% 1187963 perf-stat.i.page-faults 3.42 -19.4% 2.76 ± 44% perf-stat.overall.MPKI 1.63 -0.4 1.26 ± 44% perf-stat.overall.branch-miss-rate% 0.49 -46.3% 0.26 ± 44% perf-stat.overall.ipc 1.365e+10 -38.5% 8.401e+09 ± 44% perf-stat.ps.branch-instructions 2.221e+08 -42.9% 1.268e+08 ± 44% perf-stat.ps.branch-misses 2.305e+08 -41.7% 1.343e+08 ± 44% perf-stat.ps.cache-misses 1.009e+09 -43.3% 5.714e+08 ± 44% perf-stat.ps.cache-references 598981 -42.5% 344546 ± 44% perf-stat.ps.context-switches 149116 -51.1% 72968 ± 44% perf-stat.ps.cpu-migrations 6.731e+10 -39.8% 4.055e+10 ± 44% perf-stat.ps.instructions 459.54 ± 3% -54.1% 211.13 ± 44% perf-stat.ps.major-faults 1785795 -44.4% 992658 ± 44% perf-stat.ps.minor-faults 1786254 -44.4% 992869 ± 44% perf-stat.ps.page-faults 4.252e+13 -39.7% 2.562e+13 ± 44% perf-stat.total.instructions 12248217 +18.2% 14471390 sched_debug.cfs_rq:/.avg_vruntime.avg 13350177 ± 2% +15.0% 15350925 sched_debug.cfs_rq:/.avg_vruntime.max 11977215 +18.2% 14153258 sched_debug.cfs_rq:/.avg_vruntime.min 0.60 ± 4% +23.0% 0.74 ± 3% sched_debug.cfs_rq:/.h_nr_running.avg 1255909 ± 22% -41.9% 730155 ± 49% sched_debug.cfs_rq:/.left_deadline.stddev 1255900 ± 22% -41.9% 730149 ± 49% sched_debug.cfs_rq:/.left_vruntime.stddev 25775 ± 14% -31.9% 17541 ± 24% sched_debug.cfs_rq:/.load.avg 111073 ± 20% -48.6% 57125 ± 57% sched_debug.cfs_rq:/.load.stddev 72.86 ± 4% -23.0% 56.07 ± 11% sched_debug.cfs_rq:/.load_avg.avg 13.98 ± 4% -17.7% 11.52 ± 5% sched_debug.cfs_rq:/.load_avg.min 167.77 ± 7% -20.9% 132.67 ± 19% sched_debug.cfs_rq:/.load_avg.stddev 12248217 +18.2% 14471390 sched_debug.cfs_rq:/.min_vruntime.avg 13350177 ± 2% +15.0% 15350925 sched_debug.cfs_rq:/.min_vruntime.max 11977215 +18.2% 14153258 sched_debug.cfs_rq:/.min_vruntime.min 0.56 ± 4% +13.3% 0.63 ± 2% sched_debug.cfs_rq:/.nr_running.avg 33.64 ± 9% -31.9% 22.91 ± 25% sched_debug.cfs_rq:/.removed.load_avg.avg 152.13 ± 9% -22.1% 118.47 ± 23% sched_debug.cfs_rq:/.removed.load_avg.stddev 1255900 ± 22% -41.9% 730149 ± 49% sched_debug.cfs_rq:/.right_vruntime.stddev 95.73 ± 4% +38.2% 132.32 ± 3% sched_debug.cfs_rq:/.util_est.avg 514.30 ± 4% +21.0% 622.26 ± 9% sched_debug.cfs_rq:/.util_est.max 126.26 ± 3% +14.4% 144.47 ± 5% sched_debug.cfs_rq:/.util_est.stddev 157210 ± 2% +19.3% 187543 sched_debug.cpu.avg_idle.avg 38689 ± 11% +45.3% 56231 ± 4% sched_debug.cpu.avg_idle.min 1131966 ± 3% +13.6% 1285770 sched_debug.cpu.curr->pid.avg 0.61 ± 4% +23.0% 0.75 ± 3% sched_debug.cpu.nr_running.avg 2807835 -31.2% 1931685 sched_debug.cpu.nr_switches.avg 2868532 -31.3% 1970626 sched_debug.cpu.nr_switches.max 2711163 -31.1% 1866782 sched_debug.cpu.nr_switches.min 31518 ± 11% -36.8% 19934 ± 21% sched_debug.cpu.nr_switches.stddev 0.88 ± 14% -29.6% 0.62 ± 14% sched_debug.cpu.nr_uninterruptible.avg 50293 ± 22% -71.2% 14501 ± 18% sched_debug.cpu.nr_uninterruptible.max -43562 -52.2% -20815 sched_debug.cpu.nr_uninterruptible.min 19392 ± 13% -63.2% 7134 ± 9% sched_debug.cpu.nr_uninterruptible.stddev 7.02 ± 4% -4.1 2.92 ± 7% perf-profile.calltrace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 7.00 ± 4% -4.1 2.91 ± 7% perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.96 ± 4% -4.1 2.88 ± 7% perf-profile.calltrace.cycles-pp.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.89 ± 4% -4.0 2.84 ± 7% perf-profile.calltrace.cycles-pp.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 7.34 -3.7 3.64 ± 6% perf-profile.calltrace.cycles-pp.bprm_execve.do_execveat_common.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.86 -3.5 3.31 perf-profile.calltrace.cycles-pp.exec_binprm.bprm_execve.do_execveat_common.__x64_sys_execve.do_syscall_64 6.84 -3.5 3.30 perf-profile.calltrace.cycles-pp.search_binary_handler.exec_binprm.bprm_execve.do_execveat_common.__x64_sys_execve 7.94 -3.5 4.44 perf-profile.calltrace.cycles-pp.execve 7.93 -3.5 4.44 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve 7.93 -3.5 4.44 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.execve 7.92 -3.5 4.44 perf-profile.calltrace.cycles-pp.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve 7.92 -3.5 4.43 perf-profile.calltrace.cycles-pp.do_execveat_common.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve 6.72 -3.5 3.26 perf-profile.calltrace.cycles-pp.load_elf_binary.search_binary_handler.exec_binprm.bprm_execve.do_execveat_common 4.60 ± 8% -2.8 1.84 ± 7% perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.mmap_region.do_mmap.vm_mmap_pgoff 6.78 -2.7 4.03 perf-profile.calltrace.cycles-pp.asm_exc_page_fault 4.56 ± 4% -2.7 1.86 ± 7% perf-profile.calltrace.cycles-pp.do_vmi_munmap.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 5.32 -2.7 2.63 ± 2% perf-profile.calltrace.cycles-pp.__mmput.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group 5.32 -2.7 2.64 ± 2% perf-profile.calltrace.cycles-pp.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64 5.30 -2.7 2.62 ± 2% perf-profile.calltrace.cycles-pp.exit_mmap.__mmput.exit_mm.do_exit.do_group_exit 6.54 -2.6 3.92 perf-profile.calltrace.cycles-pp.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.54 -2.6 3.92 perf-profile.calltrace.cycles-pp.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.54 -2.6 3.92 perf-profile.calltrace.cycles-pp.do_group_exit.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.24 -2.5 3.71 perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault 6.21 -2.5 3.70 perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 5.68 -2.3 3.38 perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 5.47 -2.2 3.26 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 4.84 -2.0 2.80 ± 2% perf-profile.calltrace.cycles-pp.common_startup_64 4.77 -2.0 2.76 ± 2% perf-profile.calltrace.cycles-pp.start_secondary.common_startup_64 4.76 -2.0 2.75 ± 2% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.common_startup_64 4.76 -2.0 2.75 ± 2% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.common_startup_64 2.92 ± 4% -1.7 1.20 ± 7% perf-profile.calltrace.cycles-pp.__split_vma.do_vmi_align_munmap.do_vmi_munmap.mmap_region.do_mmap 4.09 -1.7 2.38 ± 2% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64 3.80 -1.6 2.22 ± 2% perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 3.79 -1.6 2.21 ± 2% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry 3.76 -1.6 2.19 ± 2% perf-profile.calltrace.cycles-pp.asm_sysvec_call_function_single.acpi_safe_halt.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter 3.37 ± 6% -1.6 1.80 ± 2% perf-profile.calltrace.cycles-pp.copy_process.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.65 -1.5 2.12 ± 2% perf-profile.calltrace.cycles-pp.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 2.49 ± 5% -1.5 0.96 ± 8% perf-profile.calltrace.cycles-pp.vma_prepare.__split_vma.do_vmi_align_munmap.do_vmi_munmap.mmap_region 3.04 -1.4 1.60 ± 2% perf-profile.calltrace.cycles-pp.begin_new_exec.load_elf_binary.search_binary_handler.exec_binprm.bprm_execve 3.61 -1.4 2.19 perf-profile.calltrace.cycles-pp._Fork 2.18 ± 5% -1.4 0.78 ± 10% perf-profile.calltrace.cycles-pp.down_write.vma_prepare.__split_vma.do_vmi_align_munmap.do_vmi_munmap 2.15 ± 5% -1.4 0.77 ± 10% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.vma_prepare.__split_vma.do_vmi_align_munmap 2.88 -1.4 1.51 perf-profile.calltrace.cycles-pp.exec_mmap.begin_new_exec.load_elf_binary.search_binary_handler.exec_binprm 2.13 ± 5% -1.4 0.76 ± 10% perf-profile.calltrace.cycles-pp.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write.vma_prepare.__split_vma 2.25 -1.4 0.88 ± 2% perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap.__mmput 2.21 -1.3 0.87 ± 2% perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap 2.15 ± 4% -1.3 0.84 ± 4% perf-profile.calltrace.cycles-pp.free_pgtables.exit_mmap.__mmput.exit_mm.do_exit 1.91 ± 5% -1.3 0.64 ± 11% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write.vma_prepare 2.62 -1.3 1.36 ± 2% perf-profile.calltrace.cycles-pp.__mmput.exec_mmap.begin_new_exec.load_elf_binary.search_binary_handler 3.22 -1.3 1.96 perf-profile.calltrace.cycles-pp.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork 3.22 -1.3 1.96 ± 2% perf-profile.calltrace.cycles-pp.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork 3.22 -1.3 1.96 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork 3.22 -1.3 1.96 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe._Fork 2.61 -1.3 1.35 ± 2% perf-profile.calltrace.cycles-pp.exit_mmap.__mmput.exec_mmap.begin_new_exec.load_elf_binary 1.60 ± 4% -1.2 0.36 ± 70% perf-profile.calltrace.cycles-pp.unlink_file_vma.free_pgtables.exit_mmap.__mmput.exit_mm 1.90 -1.1 0.75 ± 2% perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas 2.25 ± 2% -1.1 1.11 ± 3% perf-profile.calltrace.cycles-pp.dup_mm.copy_process.kernel_clone.__do_sys_clone.do_syscall_64 1.40 ± 4% -1.1 0.28 ±100% perf-profile.calltrace.cycles-pp.free_pgtables.unmap_region.do_vmi_align_munmap.do_vmi_munmap.mmap_region 1.37 ± 4% -1.1 0.27 ±100% perf-profile.calltrace.cycles-pp.unlink_file_vma.free_pgtables.unmap_region.do_vmi_align_munmap.do_vmi_munmap 1.35 ± 4% -1.1 0.26 ±100% perf-profile.calltrace.cycles-pp.down_write.unlink_file_vma.free_pgtables.unmap_region.do_vmi_align_munmap 1.99 ± 2% -1.0 0.96 ± 3% perf-profile.calltrace.cycles-pp.dup_mmap.dup_mm.copy_process.kernel_clone.__do_sys_clone 3.48 ± 3% -1.0 2.45 ± 2% perf-profile.calltrace.cycles-pp.dput.d_alloc_parallel.__lookup_slow.walk_component.link_path_walk 2.44 -1.0 1.43 ± 2% perf-profile.calltrace.cycles-pp.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault 3.45 ± 3% -1.0 2.44 ± 2% perf-profile.calltrace.cycles-pp.__dentry_kill.dput.d_alloc_parallel.__lookup_slow.walk_component 1.54 ± 4% -1.0 0.59 ± 8% perf-profile.calltrace.cycles-pp.unmap_region.do_vmi_align_munmap.do_vmi_munmap.mmap_region.do_mmap 3.19 ± 12% -0.9 2.24 ± 11% perf-profile.calltrace.cycles-pp.rwsem_down_read_slowpath.down_read.walk_component.link_path_walk.path_openat 3.34 ± 3% -0.9 2.42 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock.__dentry_kill.dput.d_alloc_parallel.__lookup_slow 3.33 ± 11% -0.9 2.42 ± 10% perf-profile.calltrace.cycles-pp.down_read.walk_component.link_path_walk.path_openat.do_filp_open 2.14 -0.9 1.25 perf-profile.calltrace.cycles-pp.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 2.02 -0.9 1.16 ± 2% perf-profile.calltrace.cycles-pp.acpi_safe_halt.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 3.22 ± 3% -0.9 2.36 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.__dentry_kill.dput.d_alloc_parallel 2.04 -0.8 1.19 ± 2% perf-profile.calltrace.cycles-pp.filemap_map_pages.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault 1.00 ± 2% -0.7 0.25 ±100% perf-profile.calltrace.cycles-pp.__split_vma.vma_modify.mprotect_fixup.do_mprotect_pkey.__x64_sys_mprotect 1.66 -0.7 0.95 ± 2% perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.__mmput.exit_mm.do_exit 0.94 -0.7 0.26 ±100% perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput.exit_mm 1.02 ± 2% -0.7 0.35 ± 70% perf-profile.calltrace.cycles-pp.vma_modify.mprotect_fixup.do_mprotect_pkey.__x64_sys_mprotect.do_syscall_64 1.57 -0.7 0.90 ± 2% perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.exit_mmap.__mmput.exit_mm 2.68 ± 13% -0.6 2.04 ± 12% perf-profile.calltrace.cycles-pp.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.walk_component.link_path_walk 2.68 ± 13% -0.6 2.03 ± 12% perf-profile.calltrace.cycles-pp.schedule.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.walk_component 2.66 ± 13% -0.6 2.02 ± 12% perf-profile.calltrace.cycles-pp.__schedule.schedule.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read 1.29 -0.6 0.67 ± 2% perf-profile.calltrace.cycles-pp.do_mprotect_pkey.__x64_sys_mprotect.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.29 -0.6 0.67 ± 3% perf-profile.calltrace.cycles-pp.__x64_sys_mprotect.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.06 -0.6 1.46 ± 3% perf-profile.calltrace.cycles-pp.__lookup_slow.walk_component.link_path_walk.path_lookupat.filename_lookup 1.43 -0.6 0.87 perf-profile.calltrace.cycles-pp.__do_huge_pmd_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault 1.97 -0.6 1.41 ± 3% perf-profile.calltrace.cycles-pp.d_alloc_parallel.__lookup_slow.walk_component.link_path_walk.path_lookupat 1.14 -0.6 0.58 ± 3% perf-profile.calltrace.cycles-pp.mprotect_fixup.do_mprotect_pkey.__x64_sys_mprotect.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.40 -0.6 0.85 perf-profile.calltrace.cycles-pp.clear_huge_page.__do_huge_pmd_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 1.11 ± 2% -0.5 0.58 ± 2% perf-profile.calltrace.cycles-pp.load_elf_interp.load_elf_binary.search_binary_handler.exec_binprm.bprm_execve 0.96 -0.5 0.43 ± 44% perf-profile.calltrace.cycles-pp.tlb_finish_mmu.exit_mmap.__mmput.exit_mm.do_exit 1.11 ± 2% -0.5 0.58 ± 2% perf-profile.calltrace.cycles-pp.elf_load.load_elf_interp.load_elf_binary.search_binary_handler.exec_binprm 1.29 -0.5 0.78 perf-profile.calltrace.cycles-pp.clear_page_erms.clear_huge_page.__do_huge_pmd_anonymous_page.__handle_mm_fault.handle_mm_fault 1.18 ± 2% -0.5 0.69 ± 2% perf-profile.calltrace.cycles-pp.next_uptodate_folio.filemap_map_pages.do_read_fault.do_fault.__handle_mm_fault 1.12 -0.5 0.62 perf-profile.calltrace.cycles-pp.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.11 -0.5 0.62 ± 2% perf-profile.calltrace.cycles-pp.do_execveat_common.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.07 ± 2% -0.5 0.62 ± 2% perf-profile.calltrace.cycles-pp.sysvec_call_function_single.asm_sysvec_call_function_single.acpi_safe_halt.acpi_idle_enter.cpuidle_enter_state 0.90 ± 2% -0.4 0.52 perf-profile.calltrace.cycles-pp.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single.acpi_safe_halt.acpi_idle_enter 1.16 -0.2 1.01 perf-profile.calltrace.cycles-pp.open64 1.14 -0.1 0.99 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64 1.12 -0.1 0.98 perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 1.13 -0.1 0.99 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 1.12 -0.1 0.98 perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 0.91 -0.1 0.78 ± 2% perf-profile.calltrace.cycles-pp.unlinkat 0.90 -0.1 0.78 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlinkat 0.90 -0.1 0.78 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.unlinkat 0.90 -0.1 0.78 perf-profile.calltrace.cycles-pp.__x64_sys_unlinkat.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlinkat 0.89 -0.1 0.78 ± 2% perf-profile.calltrace.cycles-pp.do_unlinkat.__x64_sys_unlinkat.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlinkat 0.88 -0.1 0.79 ± 5% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.terminate_walk.path_lookupat 3.18 +0.1 3.30 ± 3% perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_lookupat.filename_lookup.vfs_statx 0.53 ± 3% +0.2 0.68 ± 3% perf-profile.calltrace.cycles-pp.fstatat64 0.70 ± 3% +0.2 0.88 perf-profile.calltrace.cycles-pp.lookup_open.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 0.54 ± 3% +0.2 0.73 perf-profile.calltrace.cycles-pp.d_alloc.d_alloc_parallel.lookup_open.open_last_lookups.path_openat 0.68 ± 3% +0.2 0.87 perf-profile.calltrace.cycles-pp.d_alloc_parallel.lookup_open.open_last_lookups.path_openat.do_filp_open 0.44 ± 44% +0.3 0.71 perf-profile.calltrace.cycles-pp._raw_spin_lock.d_alloc.d_alloc_parallel.lookup_open.open_last_lookups 0.54 ± 3% +0.3 0.87 ± 2% perf-profile.calltrace.cycles-pp.dput.step_into.open_last_lookups.path_openat.do_filp_open 0.54 ± 2% +0.3 0.88 ± 2% perf-profile.calltrace.cycles-pp.step_into.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 0.54 ± 2% +0.3 0.87 ± 2% perf-profile.calltrace.cycles-pp.__dentry_kill.dput.step_into.open_last_lookups.path_openat 0.35 ± 70% +0.3 0.70 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.d_alloc.d_alloc_parallel.lookup_open 0.44 ± 44% +0.4 0.86 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock.__dentry_kill.dput.step_into.open_last_lookups 0.77 ± 4% +0.4 1.20 ± 2% perf-profile.calltrace.cycles-pp.lookup_fast.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 0.75 ± 4% +0.4 1.18 ± 2% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups.path_openat 0.75 ± 4% +0.4 1.18 ± 2% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups 0.75 ± 4% +0.4 1.18 ± 2% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.open_last_lookups.path_openat.do_filp_open 3.69 +0.5 4.16 ± 3% perf-profile.calltrace.cycles-pp.link_path_walk.path_lookupat.filename_lookup.vfs_statx.vfs_fstatat 0.17 ±141% +0.5 0.66 ± 3% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64 0.17 ±141% +0.5 0.66 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.fstatat64 0.08 ±223% +0.6 0.65 ± 3% perf-profile.calltrace.cycles-pp.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64 0.00 +0.6 0.62 ± 7% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.path_put.exit_fs 0.00 +0.6 0.62 ± 7% perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.path_put.exit_fs.do_exit 0.00 +0.6 0.63 ± 3% perf-profile.calltrace.cycles-pp.vfs_fstatat.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64 1.06 +0.7 1.80 ± 3% perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_lookupat.filename_lookup 3.28 +0.8 4.03 perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 0.00 +0.8 0.76 ± 6% perf-profile.calltrace.cycles-pp.dput.path_put.exit_fs.do_exit.do_group_exit 0.00 +0.8 0.76 ± 6% perf-profile.calltrace.cycles-pp.path_put.exit_fs.do_exit.do_group_exit.__x64_sys_exit_group 0.00 +0.8 0.77 ± 6% perf-profile.calltrace.cycles-pp.exit_fs.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64 1.04 +0.8 1.82 ± 4% perf-profile.calltrace.cycles-pp.terminate_walk.path_lookupat.filename_lookup.vfs_statx.vfs_fstatat 1.04 +0.8 1.81 ± 3% perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_lookupat.filename_lookup.vfs_statx 0.00 +0.8 0.79 ± 3% perf-profile.calltrace.cycles-pp.__dentry_kill.dput.step_into.link_path_walk.path_lookupat 0.84 +0.8 1.65 ± 3% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.walk_component.link_path_walk.path_lookupat 0.00 +0.8 0.81 ± 4% perf-profile.calltrace.cycles-pp.dput.step_into.link_path_walk.path_lookupat.filename_lookup 0.00 +0.8 0.82 ± 3% perf-profile.calltrace.cycles-pp.step_into.link_path_walk.path_lookupat.filename_lookup.vfs_statx 0.00 +1.0 0.97 ± 3% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_lookupat.filename_lookup 5.11 +1.2 6.29 ± 3% perf-profile.calltrace.cycles-pp.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe 5.07 +1.2 6.26 ± 3% perf-profile.calltrace.cycles-pp.vfs_fstatat.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe 4.94 +1.2 6.19 ± 3% perf-profile.calltrace.cycles-pp.filename_lookup.vfs_statx.vfs_fstatat.__do_sys_newfstatat.do_syscall_64 4.92 +1.3 6.18 ± 3% perf-profile.calltrace.cycles-pp.path_lookupat.filename_lookup.vfs_statx.vfs_fstatat.__do_sys_newfstatat 4.95 +1.8 6.80 ± 2% perf-profile.calltrace.cycles-pp.vfs_statx.vfs_fstatat.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe 11.82 ± 3% +2.2 14.02 perf-profile.calltrace.cycles-pp.__lookup_slow.walk_component.link_path_walk.path_openat.do_filp_open 11.60 ± 3% +2.3 13.89 perf-profile.calltrace.cycles-pp.d_alloc_parallel.__lookup_slow.walk_component.link_path_walk.path_openat 9.03 ± 3% +2.8 11.86 perf-profile.calltrace.cycles-pp.d_alloc.d_alloc_parallel.__lookup_slow.walk_component.link_path_walk 8.52 ± 3% +2.9 11.40 perf-profile.calltrace.cycles-pp._raw_spin_lock.d_alloc.d_alloc_parallel.__lookup_slow.walk_component 8.19 ± 3% +2.9 11.08 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.d_alloc.d_alloc_parallel.__lookup_slow 0.00 +3.7 3.71 perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_openat.do_filp_open 7.87 ± 3% +3.9 11.77 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy 8.00 ± 3% +4.0 11.98 perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast 8.44 ± 3% +4.8 13.24 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.terminate_walk.path_openat 5.43 ± 2% +4.9 10.36 perf-profile.calltrace.cycles-pp.step_into.link_path_walk.path_openat.do_filp_open.do_sys_openat2 8.48 ± 3% +4.9 13.42 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.terminate_walk.path_openat.do_filp_open 5.40 ± 2% +4.9 10.34 perf-profile.calltrace.cycles-pp.dput.step_into.link_path_walk.path_openat.do_filp_open 5.29 ± 2% +5.0 10.31 ± 2% perf-profile.calltrace.cycles-pp.__dentry_kill.dput.step_into.link_path_walk.path_openat 5.08 ± 2% +5.8 10.88 perf-profile.calltrace.cycles-pp._raw_spin_lock.__dentry_kill.dput.step_into.link_path_walk 5.34 ± 5% +6.0 11.34 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.__dentry_kill.dput.step_into 7.11 ± 3% +6.7 13.85 perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_openat.do_filp_open 6.81 ± 3% +6.8 13.65 perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.walk_component.link_path_walk.path_openat 7.64 ± 2% +7.6 15.29 perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.walk_component.link_path_walk 7.52 ± 2% +7.7 15.17 perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.walk_component 22.42 +8.0 30.41 perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_openat.do_filp_open.do_sys_openat2 8.72 ± 3% +8.5 17.21 perf-profile.calltrace.cycles-pp.terminate_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 8.70 ± 3% +8.5 17.19 perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_openat.do_filp_open.do_sys_openat2 27.98 +12.9 40.85 perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 64.52 +13.7 78.21 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe 64.49 +13.7 78.19 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe 41.14 +21.4 62.52 perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 41.12 +21.4 62.50 perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 41.64 +21.5 63.13 perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 41.58 +21.5 63.10 perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64 9.86 ± 4% -6.4 3.51 ± 8% perf-profile.children.cycles-pp.down_write 9.25 ± 5% -6.1 3.17 ± 9% perf-profile.children.cycles-pp.rwsem_down_write_slowpath 8.92 ± 5% -5.9 2.98 ± 9% perf-profile.children.cycles-pp.rwsem_optimistic_spin 7.58 ± 5% -5.3 2.33 ± 11% perf-profile.children.cycles-pp.osq_lock 9.01 ± 3% -5.1 3.95 ± 5% perf-profile.children.cycles-pp.vm_mmap_pgoff 8.89 ± 3% -5.0 3.89 ± 5% perf-profile.children.cycles-pp.do_mmap 8.73 ± 3% -4.9 3.79 ± 6% perf-profile.children.cycles-pp.mmap_region 8.30 -4.1 4.16 ± 2% perf-profile.children.cycles-pp.__mmput 8.26 -4.1 4.14 ± 2% perf-profile.children.cycles-pp.exit_mmap 7.02 ± 4% -4.1 2.92 ± 7% perf-profile.children.cycles-pp.ksys_mmap_pgoff 9.04 -4.0 5.06 perf-profile.children.cycles-pp.__x64_sys_execve 9.77 -4.0 5.79 perf-profile.children.cycles-pp.asm_exc_page_fault 9.03 -4.0 5.05 perf-profile.children.cycles-pp.do_execveat_common 8.85 -3.6 5.24 perf-profile.children.cycles-pp.exc_page_fault 8.81 -3.6 5.21 perf-profile.children.cycles-pp.do_user_addr_fault 7.94 -3.5 4.44 perf-profile.children.cycles-pp.execve 6.04 ± 3% -3.4 2.62 ± 6% perf-profile.children.cycles-pp.do_vmi_munmap 5.92 ± 3% -3.4 2.54 ± 6% perf-profile.children.cycles-pp.do_vmi_align_munmap 8.29 -3.4 4.91 perf-profile.children.cycles-pp.handle_mm_fault 7.40 -3.3 4.07 perf-profile.children.cycles-pp.bprm_execve 7.96 -3.2 4.71 perf-profile.children.cycles-pp.__handle_mm_fault 5.30 ± 3% -3.2 2.08 ± 6% perf-profile.children.cycles-pp.free_pgtables 6.85 -3.1 3.76 perf-profile.children.cycles-pp.exec_binprm 6.84 -3.1 3.75 perf-profile.children.cycles-pp.search_binary_handler 6.72 -3.0 3.68 perf-profile.children.cycles-pp.load_elf_binary 4.22 ± 4% -2.8 1.45 ± 8% perf-profile.children.cycles-pp.unlink_file_vma 5.34 -2.7 2.65 ± 2% perf-profile.children.cycles-pp.exit_mm 6.67 -2.7 4.00 perf-profile.children.cycles-pp.__x64_sys_exit_group 6.67 -2.7 4.00 perf-profile.children.cycles-pp.do_group_exit 6.66 -2.7 3.99 perf-profile.children.cycles-pp.do_exit 4.22 ± 3% -2.3 1.87 ± 5% perf-profile.children.cycles-pp.__split_vma 3.63 ± 4% -2.2 1.43 ± 7% perf-profile.children.cycles-pp.vma_prepare 4.84 -2.0 2.80 ± 2% perf-profile.children.cycles-pp.do_idle 4.84 -2.0 2.80 ± 2% perf-profile.children.cycles-pp.common_startup_64 4.84 -2.0 2.80 ± 2% perf-profile.children.cycles-pp.cpu_startup_entry 4.77 -2.0 2.76 ± 2% perf-profile.children.cycles-pp.start_secondary 4.16 -1.7 2.42 ± 2% perf-profile.children.cycles-pp.cpuidle_idle_call 3.94 -1.6 2.30 ± 2% perf-profile.children.cycles-pp.do_fault 3.44 -1.6 1.80 perf-profile.children.cycles-pp.begin_new_exec 3.86 -1.6 2.26 ± 2% perf-profile.children.cycles-pp.cpuidle_enter 3.85 -1.6 2.24 ± 2% perf-profile.children.cycles-pp.cpuidle_enter_state 3.28 -1.6 1.71 perf-profile.children.cycles-pp.exec_mmap 4.14 -1.6 2.58 perf-profile.children.cycles-pp.kernel_clone 3.71 -1.6 2.16 ± 2% perf-profile.children.cycles-pp.acpi_idle_enter 3.70 -1.5 2.15 ± 2% perf-profile.children.cycles-pp.acpi_safe_halt 3.78 -1.5 2.30 perf-profile.children.cycles-pp.__do_sys_clone 2.49 ± 3% -1.5 1.04 ± 6% perf-profile.children.cycles-pp.unmap_region 3.64 -1.4 2.21 perf-profile.children.cycles-pp._Fork 3.43 -1.4 2.00 perf-profile.children.cycles-pp.do_read_fault 3.34 -1.4 1.95 perf-profile.children.cycles-pp.filemap_map_pages 3.67 -1.4 2.30 perf-profile.children.cycles-pp.copy_process 2.65 ± 2% -1.4 1.29 ± 3% perf-profile.children.cycles-pp.dup_mm 4.43 ± 12% -1.3 3.16 ± 11% perf-profile.children.cycles-pp.__schedule 2.34 ± 2% -1.2 1.12 ± 3% perf-profile.children.cycles-pp.dup_mmap 2.74 -1.2 1.59 perf-profile.children.cycles-pp.unmap_vmas 2.54 -1.1 1.47 perf-profile.children.cycles-pp.unmap_page_range 2.48 -1.0 1.43 perf-profile.children.cycles-pp.zap_pmd_range 3.46 ± 12% -1.0 2.42 ± 11% perf-profile.children.cycles-pp.rwsem_down_read_slowpath 2.43 -1.0 1.41 perf-profile.children.cycles-pp.zap_pte_range 2.59 -1.0 1.57 perf-profile.children.cycles-pp.asm_sysvec_call_function_single 3.64 ± 11% -1.0 2.63 ± 10% perf-profile.children.cycles-pp.down_read 3.67 ± 13% -1.0 2.71 ± 12% perf-profile.children.cycles-pp.schedule 2.29 -1.0 1.33 perf-profile.children.cycles-pp.kmem_cache_free 2.15 -0.9 1.20 ± 2% perf-profile.children.cycles-pp.elf_load 2.10 -0.9 1.21 ± 2% perf-profile.children.cycles-pp.zap_present_ptes 1.95 ± 2% -0.8 1.13 perf-profile.children.cycles-pp.next_uptodate_folio 3.10 ± 13% -0.8 2.31 ± 12% perf-profile.children.cycles-pp.schedule_preempt_disabled 1.66 -0.7 0.91 perf-profile.children.cycles-pp.tlb_finish_mmu 1.76 -0.7 1.08 perf-profile.children.cycles-pp.clear_page_erms 1.48 -0.7 0.80 perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 1.47 -0.7 0.80 ± 2% perf-profile.children.cycles-pp.free_pages_and_swap_cache 1.54 -0.6 0.92 ± 2% perf-profile.children.cycles-pp.up_write 1.29 -0.6 0.67 ± 3% perf-profile.children.cycles-pp.__x64_sys_mprotect 1.29 -0.6 0.67 ± 3% perf-profile.children.cycles-pp.do_mprotect_pkey 1.11 ± 3% -0.6 0.52 ± 4% perf-profile.children.cycles-pp.rwsem_spin_on_owner 1.50 -0.6 0.91 perf-profile.children.cycles-pp.handle_softirqs 1.24 ± 2% -0.6 0.66 ± 2% perf-profile.children.cycles-pp.load_elf_interp 1.43 -0.6 0.87 perf-profile.children.cycles-pp.__do_huge_pmd_anonymous_page 1.15 -0.6 0.58 ± 3% perf-profile.children.cycles-pp.mprotect_fixup 1.20 ± 3% -0.6 0.65 ± 4% perf-profile.children.cycles-pp.ret_from_fork_asm 1.41 -0.6 0.86 perf-profile.children.cycles-pp.clear_huge_page 1.32 -0.6 0.77 ± 2% perf-profile.children.cycles-pp.rcu_core 1.28 -0.5 0.74 ± 2% perf-profile.children.cycles-pp.rcu_do_batch 1.18 -0.5 0.64 perf-profile.children.cycles-pp.folios_put_refs 1.35 -0.5 0.81 perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 1.02 ± 2% -0.5 0.51 ± 3% perf-profile.children.cycles-pp.vma_modify 1.32 -0.5 0.80 perf-profile.children.cycles-pp.alloc_pages_mpol_noprof 1.08 ± 3% -0.5 0.57 ± 4% perf-profile.children.cycles-pp.ret_from_fork 1.26 -0.5 0.77 ± 2% perf-profile.children.cycles-pp.__alloc_pages_noprof 1.80 ± 2% -0.5 1.32 ± 2% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 1.19 -0.4 0.74 perf-profile.children.cycles-pp.sysvec_call_function_single 0.88 ± 4% -0.4 0.46 ± 4% perf-profile.children.cycles-pp.kthread 1.00 ± 2% -0.4 0.58 ± 2% perf-profile.children.cycles-pp.vma_interval_tree_insert 0.92 -0.4 0.51 ± 2% perf-profile.children.cycles-pp.__slab_free 0.96 -0.4 0.54 ± 2% perf-profile.children.cycles-pp.__vm_munmap 1.02 -0.4 0.61 perf-profile.children.cycles-pp.select_task_rq_fair 1.61 -0.4 1.19 ± 2% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.98 -0.4 0.59 perf-profile.children.cycles-pp.wp_page_copy 0.73 ± 4% -0.4 0.36 ± 5% perf-profile.children.cycles-pp.smpboot_thread_fn 1.01 -0.4 0.64 perf-profile.children.cycles-pp.__sysvec_call_function_single 0.99 -0.4 0.62 perf-profile.children.cycles-pp.__flush_smp_call_function_queue 0.92 -0.4 0.56 ± 2% perf-profile.children.cycles-pp.do_anonymous_page 0.98 -0.4 0.62 ± 2% perf-profile.children.cycles-pp.try_to_wake_up 0.92 -0.4 0.56 perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.82 -0.4 0.46 perf-profile.children.cycles-pp.folio_remove_rmap_ptes 0.79 -0.4 0.43 perf-profile.children.cycles-pp.alloc_empty_file 0.94 -0.3 0.59 ± 2% perf-profile.children.cycles-pp.rwsem_wake 0.90 -0.3 0.56 perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 0.55 ± 4% -0.3 0.22 ± 6% perf-profile.children.cycles-pp.vma_expand 0.82 -0.3 0.50 ± 2% perf-profile.children.cycles-pp.get_page_from_freelist 1.02 -0.3 0.71 perf-profile.children.cycles-pp.irq_exit_rcu 0.82 ± 2% -0.3 0.52 perf-profile.children.cycles-pp.sched_ttwu_pending 0.83 -0.3 0.52 ± 2% perf-profile.children.cycles-pp.wake_up_q 0.77 -0.3 0.47 perf-profile.children.cycles-pp.__d_lookup_rcu 0.74 -0.3 0.44 perf-profile.children.cycles-pp.copy_strings 0.69 -0.3 0.40 ± 2% perf-profile.children.cycles-pp.vma_complete 0.51 ± 2% -0.3 0.22 ± 4% perf-profile.children.cycles-pp.run_ksoftirqd 0.79 ± 2% -0.3 0.51 ± 2% perf-profile.children.cycles-pp.activate_task 0.61 -0.3 0.34 ± 3% perf-profile.children.cycles-pp._compound_head 0.76 ± 2% -0.3 0.49 perf-profile.children.cycles-pp.ttwu_do_activate 0.64 -0.3 0.37 ± 3% perf-profile.children.cycles-pp.mm_init 0.62 -0.3 0.36 ± 2% perf-profile.children.cycles-pp.sched_balance_find_dst_cpu 0.39 ± 17% -0.3 0.14 ± 10% perf-profile.children.cycles-pp._raw_spin_lock_irq 0.52 ± 2% -0.3 0.27 ± 3% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 0.53 ± 2% -0.2 0.28 perf-profile.children.cycles-pp.init_file 0.54 ± 3% -0.2 0.29 ± 2% perf-profile.children.cycles-pp.schedule_idle 0.56 -0.2 0.31 ± 2% perf-profile.children.cycles-pp.finish_task_switch 0.55 -0.2 0.31 ± 2% perf-profile.children.cycles-pp.__mmdrop 0.57 -0.2 0.33 ± 2% perf-profile.children.cycles-pp.copy_page_range 0.70 ± 4% -0.2 0.47 ± 3% perf-profile.children.cycles-pp.dequeue_task_fair 0.68 ± 3% -0.2 0.45 perf-profile.children.cycles-pp.enqueue_task_fair 0.58 -0.2 0.34 perf-profile.children.cycles-pp.syscall_exit_to_user_mode 0.55 -0.2 0.32 ± 2% perf-profile.children.cycles-pp.copy_p4d_range 0.56 -0.2 0.34 perf-profile.children.cycles-pp.mod_objcg_state 0.54 -0.2 0.32 ± 2% perf-profile.children.cycles-pp.sched_balance_find_dst_group 0.66 ± 3% -0.2 0.44 ± 3% perf-profile.children.cycles-pp.update_load_avg 0.54 -0.2 0.32 ± 2% perf-profile.children.cycles-pp.unlink_anon_vmas 0.51 ± 2% -0.2 0.30 perf-profile.children.cycles-pp.update_sg_wakeup_stats 0.56 ± 4% -0.2 0.34 ± 4% perf-profile.children.cycles-pp.wait4 0.52 -0.2 0.31 ± 3% perf-profile.children.cycles-pp.alloc_bprm 0.44 ± 2% -0.2 0.23 perf-profile.children.cycles-pp.security_file_alloc 0.56 -0.2 0.35 ± 2% perf-profile.children.cycles-pp._IO_default_xsputn 0.52 -0.2 0.31 perf-profile.children.cycles-pp.mas_store_prealloc 0.54 -0.2 0.33 ± 2% perf-profile.children.cycles-pp.perf_event_mmap 0.51 -0.2 0.30 ± 2% perf-profile.children.cycles-pp.set_pte_range 0.52 ± 2% -0.2 0.32 ± 3% perf-profile.children.cycles-pp._IO_fwrite 0.52 -0.2 0.32 perf-profile.children.cycles-pp.perf_event_mmap_event 0.55 ± 3% -0.2 0.34 ± 2% perf-profile.children.cycles-pp.dequeue_entity 0.45 -0.2 0.25 ± 2% perf-profile.children.cycles-pp.__pte_offset_map_lock 0.54 ± 3% -0.2 0.34 ± 2% perf-profile.children.cycles-pp.enqueue_entity 0.52 -0.2 0.32 perf-profile.children.cycles-pp.native_irq_return_iret 0.52 ± 5% -0.2 0.32 ± 4% perf-profile.children.cycles-pp.vfs_read 0.48 -0.2 0.29 perf-profile.children.cycles-pp.sync_regs 0.51 -0.2 0.32 ± 3% perf-profile.children.cycles-pp.alloc_anon_folio 0.38 -0.2 0.19 perf-profile.children.cycles-pp.apparmor_file_alloc_security 0.46 ± 2% -0.2 0.27 ± 3% perf-profile.children.cycles-pp.__x64_sys_munmap 0.49 ± 2% -0.2 0.31 ± 2% perf-profile.children.cycles-pp.vma_alloc_folio_noprof 0.50 ± 5% -0.2 0.32 ± 4% perf-profile.children.cycles-pp.read 0.46 -0.2 0.28 perf-profile.children.cycles-pp.__cond_resched 0.48 ± 6% -0.2 0.30 ± 5% perf-profile.children.cycles-pp.kernel_wait4 0.48 ± 6% -0.2 0.30 ± 4% perf-profile.children.cycles-pp.__do_sys_wait4 0.49 ± 5% -0.2 0.31 ± 4% perf-profile.children.cycles-pp.ksys_read 0.42 -0.2 0.25 perf-profile.children.cycles-pp.lock_vma_under_rcu 0.44 -0.2 0.27 perf-profile.children.cycles-pp.strnlen_user 0.41 -0.2 0.24 ± 2% perf-profile.children.cycles-pp.__libc_early_init 0.46 ± 6% -0.2 0.29 ± 5% perf-profile.children.cycles-pp.do_wait 0.40 -0.2 0.23 ± 2% perf-profile.children.cycles-pp.wake_up_new_task 0.42 ± 2% -0.2 0.25 perf-profile.children.cycles-pp.vma_interval_tree_remove 0.41 -0.2 0.24 ± 2% perf-profile.children.cycles-pp.__libc_fork 0.41 -0.2 0.24 ± 2% perf-profile.children.cycles-pp.mas_wr_store_entry 0.39 ± 2% -0.2 0.22 ± 3% perf-profile.children.cycles-pp.getname_flags 0.41 ± 2% -0.2 0.25 perf-profile.children.cycles-pp.get_arg_page 0.39 ± 2% -0.2 0.22 ± 3% perf-profile.children.cycles-pp.sched_exec 0.40 -0.2 0.23 ± 2% perf-profile.children.cycles-pp.rep_stos_alternative 0.40 -0.2 0.24 ± 2% perf-profile.children.cycles-pp.vm_area_dup 0.40 -0.2 0.24 ± 2% perf-profile.children.cycles-pp.perf_iterate_sb 0.41 -0.2 0.26 perf-profile.children.cycles-pp.select_task_rq 0.37 -0.2 0.22 perf-profile.children.cycles-pp.pcpu_alloc_noprof 1.16 -0.2 1.01 perf-profile.children.cycles-pp.open64 0.36 ± 2% -0.1 0.22 ± 2% perf-profile.children.cycles-pp.__memcg_kmem_charge_page 0.35 -0.1 0.20 ± 2% perf-profile.children.cycles-pp.pte_alloc_one 0.35 ± 2% -0.1 0.21 ± 2% perf-profile.children.cycles-pp.setup_arg_pages 0.35 -0.1 0.21 perf-profile.children.cycles-pp.get_user_pages_remote 0.36 -0.1 0.22 ± 2% perf-profile.children.cycles-pp.create_elf_tables 0.32 -0.1 0.18 ± 2% perf-profile.children.cycles-pp.copy_pte_range 0.34 -0.1 0.20 ± 2% perf-profile.children.cycles-pp.__d_alloc 0.34 ± 2% -0.1 0.20 ± 3% perf-profile.children.cycles-pp.__get_user_pages 0.31 -0.1 0.18 ± 2% perf-profile.children.cycles-pp.folio_batch_move_lru 0.31 -0.1 0.18 ± 2% perf-profile.children.cycles-pp.lru_add_drain 0.25 ± 4% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.security_file_free 0.33 -0.1 0.20 ± 2% perf-profile.children.cycles-pp.dup_task_struct 0.31 -0.1 0.18 perf-profile.children.cycles-pp.lru_add_drain_cpu 0.34 -0.1 0.21 ± 3% perf-profile.children.cycles-pp.__mem_cgroup_charge 0.31 -0.1 0.18 ± 2% perf-profile.children.cycles-pp.folio_add_file_rmap_ptes 0.30 ± 2% -0.1 0.17 ± 5% perf-profile.children.cycles-pp.rmqueue 0.29 ± 3% -0.1 0.16 ± 3% perf-profile.children.cycles-pp.__call_rcu_common 0.33 ± 2% -0.1 0.20 ± 3% perf-profile.children.cycles-pp.___perf_sw_event 0.31 ± 2% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.__vm_area_free 0.91 -0.1 0.79 ± 2% perf-profile.children.cycles-pp.unlinkat 0.24 ± 3% -0.1 0.11 ± 4% perf-profile.children.cycles-pp.apparmor_file_free_security 0.31 -0.1 0.18 ± 2% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state 0.29 ± 2% -0.1 0.17 ± 2% perf-profile.children.cycles-pp.mas_wr_node_store 0.28 -0.1 0.16 ± 2% perf-profile.children.cycles-pp.__lruvec_stat_mod_folio 0.30 -0.1 0.18 ± 2% perf-profile.children.cycles-pp.clear_bhb_loop 0.34 ± 2% -0.1 0.22 perf-profile.children.cycles-pp.write 0.30 ± 2% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.shift_arg_pages 0.31 ± 2% -0.1 0.19 ± 5% perf-profile.children.cycles-pp.mas_find 0.28 ± 2% -0.1 0.16 ± 2% perf-profile.children.cycles-pp.__pte_alloc 0.90 -0.1 0.78 ± 2% perf-profile.children.cycles-pp.__x64_sys_unlinkat 0.89 -0.1 0.78 ± 2% perf-profile.children.cycles-pp.do_unlinkat 0.26 -0.1 0.15 ± 2% perf-profile.children.cycles-pp.__do_wait 0.29 -0.1 0.18 ± 2% perf-profile.children.cycles-pp.mas_walk 0.50 ± 2% -0.1 0.38 perf-profile.children.cycles-pp.fput 0.28 ± 2% -0.1 0.17 ± 2% perf-profile.children.cycles-pp.__percpu_counter_sum 0.28 ± 2% -0.1 0.16 ± 4% perf-profile.children.cycles-pp.__perf_sw_event 0.27 ± 2% -0.1 0.16 ± 3% perf-profile.children.cycles-pp.strncpy_from_user 0.29 ± 2% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.__wp_page_copy_user 0.29 ± 2% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.copy_mc_enhanced_fast_string 0.29 ± 3% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.__d_add 0.28 -0.1 0.17 ± 2% perf-profile.children.cycles-pp.kmem_cache_alloc_lru_noprof 0.32 -0.1 0.20 ± 2% perf-profile.children.cycles-pp.ksys_write 0.27 -0.1 0.16 ± 4% perf-profile.children.cycles-pp.memset_orig 0.28 ± 2% -0.1 0.17 ± 2% perf-profile.children.cycles-pp.vm_area_alloc 0.27 ± 2% -0.1 0.16 perf-profile.children.cycles-pp.copy_string_kernel 0.27 ± 2% -0.1 0.16 ± 4% perf-profile.children.cycles-pp.flush_tlb_mm_range 0.58 ± 3% -0.1 0.48 ± 3% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.30 ± 2% -0.1 0.19 ± 2% perf-profile.children.cycles-pp.simple_lookup 0.26 -0.1 0.16 ± 3% perf-profile.children.cycles-pp.anon_vma_fork 0.30 -0.1 0.20 perf-profile.children.cycles-pp.vfs_write 0.26 -0.1 0.15 ± 3% perf-profile.children.cycles-pp.perf_event_mmap_output 0.26 ± 2% -0.1 0.15 ± 2% perf-profile.children.cycles-pp.__close 0.24 ± 2% -0.1 0.14 ± 4% perf-profile.children.cycles-pp.free_unref_page_commit 0.25 ± 3% -0.1 0.14 ± 3% perf-profile.children.cycles-pp.__fput 0.57 ± 4% -0.1 0.47 ± 3% perf-profile.children.cycles-pp.hrtimer_interrupt 0.28 -0.1 0.18 ± 2% perf-profile.children.cycles-pp._IO_padn 0.41 ± 2% -0.1 0.31 ± 2% perf-profile.children.cycles-pp.__vfork 0.22 ± 3% -0.1 0.12 ± 3% perf-profile.children.cycles-pp.__rmqueue_pcplist 0.23 ± 3% -0.1 0.13 ± 5% perf-profile.children.cycles-pp.__rb_insert_augmented 0.24 ± 3% -0.1 0.14 ± 4% perf-profile.children.cycles-pp.filemap_read 0.24 -0.1 0.14 perf-profile.children.cycles-pp.vmf_anon_prepare 0.20 ± 2% -0.1 0.10 perf-profile.children.cycles-pp.__page_cache_release 0.23 -0.1 0.14 ± 3% perf-profile.children.cycles-pp.select_idle_sibling 0.23 ± 2% -0.1 0.14 ± 2% perf-profile.children.cycles-pp.__pmd_alloc 0.23 ± 2% -0.1 0.14 ± 4% perf-profile.children.cycles-pp.__check_object_size 0.23 ± 2% -0.1 0.14 ± 3% perf-profile.children.cycles-pp.free_unref_folios 0.26 -0.1 0.16 ± 2% perf-profile.children.cycles-pp.cgroup_rstat_updated 0.22 ± 2% -0.1 0.13 ± 5% perf-profile.children.cycles-pp.mas_preallocate 0.20 ± 3% -0.1 0.11 perf-profile.children.cycles-pp.___slab_alloc 0.22 -0.1 0.13 perf-profile.children.cycles-pp.__anon_vma_prepare 0.21 ± 4% -0.1 0.12 perf-profile.children.cycles-pp.task_work_run 0.20 ± 3% -0.1 0.11 ± 3% perf-profile.children.cycles-pp.rcu_segcblist_enqueue 0.25 -0.1 0.16 ± 3% perf-profile.children.cycles-pp.up_read 0.20 -0.1 0.12 ± 4% perf-profile.children.cycles-pp.free_pcppages_bulk 0.21 ± 2% -0.1 0.12 ± 3% perf-profile.children.cycles-pp.do_open_execat 0.16 ± 3% -0.1 0.07 ± 6% perf-profile.children.cycles-pp.folio_lruvec_lock_irqsave 0.20 ± 2% -0.1 0.12 ± 3% perf-profile.children.cycles-pp.wait_task_zombie 0.37 ± 2% -0.1 0.28 ± 2% perf-profile.children.cycles-pp.__x64_sys_vfork 0.19 ± 2% -0.1 0.11 ± 5% perf-profile.children.cycles-pp.__percpu_counter_init_many 0.20 -0.1 0.12 ± 3% perf-profile.children.cycles-pp.percpu_counter_add_batch 0.20 ± 3% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.try_charge_memcg 0.20 ± 2% -0.1 0.12 ± 3% perf-profile.children.cycles-pp.alloc_thread_stack_node 0.19 ± 2% -0.1 0.11 ± 4% perf-profile.children.cycles-pp.menu_select 0.19 ± 2% -0.1 0.11 ± 4% perf-profile.children.cycles-pp.schedule_tail 0.22 -0.1 0.14 ± 2% perf-profile.children.cycles-pp.ttwu_queue_wakelist 0.18 ± 2% -0.1 0.10 ± 3% perf-profile.children.cycles-pp.rmqueue_bulk 0.17 ± 15% -0.1 0.09 ± 4% perf-profile.children.cycles-pp.exit_notify 0.18 ± 2% -0.1 0.10 ± 3% perf-profile.children.cycles-pp.free_unref_page 0.19 ± 2% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.flush_tlb_func 0.20 ± 3% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.__memcpy 0.21 -0.1 0.13 ± 3% perf-profile.children.cycles-pp.memcg_account_kmem 0.20 ± 2% -0.1 0.12 ± 3% perf-profile.children.cycles-pp.__count_memcg_events 0.45 ± 3% -0.1 0.38 ± 3% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.19 -0.1 0.12 ± 4% perf-profile.children.cycles-pp.anon_vma_clone 0.18 ± 2% -0.1 0.10 perf-profile.children.cycles-pp.rcu_cblist_dequeue 0.18 ± 2% -0.1 0.11 perf-profile.children.cycles-pp.select_idle_cpu 0.19 -0.1 0.12 ± 4% perf-profile.children.cycles-pp.__put_user_8 0.18 -0.1 0.11 ± 4% perf-profile.children.cycles-pp.__pud_alloc 0.18 ± 2% -0.1 0.10 ± 4% perf-profile.children.cycles-pp.__x64_sys_close 0.19 ± 2% -0.1 0.11 ± 4% perf-profile.children.cycles-pp.switch_mm_irqs_off 0.16 ± 3% -0.1 0.09 ± 4% perf-profile.children.cycles-pp.__do_fault 0.22 ± 10% -0.1 0.15 ± 10% perf-profile.children.cycles-pp.pipe_read 0.17 ± 2% -0.1 0.10 ± 4% perf-profile.children.cycles-pp.available_idle_cpu 0.20 ± 4% -0.1 0.13 ± 2% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages 0.23 ± 3% -0.1 0.16 ± 2% perf-profile.children.cycles-pp.update_curr 0.18 ± 2% -0.1 0.11 perf-profile.children.cycles-pp.__munmap 0.16 ± 2% -0.1 0.09 ± 4% perf-profile.children.cycles-pp.__switch_to_asm 0.16 ± 2% -0.1 0.09 ± 5% perf-profile.children.cycles-pp.asm_sysvec_reschedule_ipi 0.17 ± 2% -0.1 0.10 ± 4% perf-profile.children.cycles-pp.do_open 0.42 ± 3% -0.1 0.36 ± 3% perf-profile.children.cycles-pp.tick_nohz_handler 0.17 ± 3% -0.1 0.10 ± 3% perf-profile.children.cycles-pp._IO_file_xsputn 0.17 ± 2% -0.1 0.10 ± 4% perf-profile.children.cycles-pp.__get_user_8 0.17 ± 2% -0.1 0.10 ± 4% perf-profile.children.cycles-pp.__getrlimit 0.17 ± 2% -0.1 0.10 ± 4% perf-profile.children.cycles-pp.__rseq_handle_notify_resume 0.17 ± 2% -0.1 0.10 ± 4% perf-profile.children.cycles-pp.release_task 0.18 ± 2% -0.1 0.11 ± 3% perf-profile.children.cycles-pp.__mod_memcg_state 0.16 ± 3% -0.1 0.09 perf-profile.children.cycles-pp.free_pgd_range 0.16 ± 2% -0.1 0.10 ± 4% perf-profile.children.cycles-pp.mas_wr_bnode 0.15 ± 2% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.free_p4d_range 0.17 -0.1 0.11 ± 4% perf-profile.children.cycles-pp.mem_cgroup_commit_charge 0.19 -0.1 0.13 ± 2% perf-profile.children.cycles-pp.obj_cgroup_charge 0.16 ± 3% -0.1 0.09 ± 5% perf-profile.children.cycles-pp._find_next_bit 0.16 ± 3% -0.1 0.09 ± 5% perf-profile.children.cycles-pp.get_free_pages_noprof 0.16 ± 2% -0.1 0.10 perf-profile.children.cycles-pp.native_flush_tlb_one_user 0.16 ± 2% -0.1 0.10 ± 3% perf-profile.children.cycles-pp.rseq_ip_fixup 0.38 ± 4% -0.1 0.32 ± 3% perf-profile.children.cycles-pp.update_process_times 0.14 ± 4% -0.1 0.08 ± 4% perf-profile.children.cycles-pp.__ctype_init 0.14 -0.1 0.08 perf-profile.children.cycles-pp.arch_do_signal_or_restart 0.15 ± 2% -0.1 0.09 ± 4% perf-profile.children.cycles-pp.pgd_alloc 0.16 ± 2% -0.1 0.10 ± 3% perf-profile.children.cycles-pp.move_page_tables 0.17 ± 4% -0.1 0.11 ± 4% perf-profile.children.cycles-pp.prepare_task_switch 0.14 ± 2% -0.1 0.08 perf-profile.children.cycles-pp.free_pud_range 0.13 ± 2% -0.1 0.08 ± 6% perf-profile.children.cycles-pp.__rb_erase_color 0.14 ± 3% -0.1 0.08 perf-profile.children.cycles-pp._exit 0.14 ± 4% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.check_heap_object 0.14 ± 4% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.rwsem_mark_wake 0.14 ± 2% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.switch_fpu_return 0.14 ± 10% -0.1 0.08 ± 4% perf-profile.children.cycles-pp.inode_permission 0.14 ± 4% -0.1 0.08 ± 4% perf-profile.children.cycles-pp.mas_split 0.15 ± 3% -0.1 0.09 ± 6% perf-profile.children.cycles-pp.mas_next_slot 0.15 ± 3% -0.1 0.09 perf-profile.children.cycles-pp.strnlen 0.14 ± 3% -0.1 0.08 ± 4% perf-profile.children.cycles-pp.generic_file_write_iter 0.17 ± 6% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.update_rq_clock 0.13 -0.1 0.08 ± 6% perf-profile.children.cycles-pp.__filemap_get_folio 0.13 ± 3% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.__mem_cgroup_uncharge_folios 0.13 ± 4% -0.1 0.08 ± 6% perf-profile.children.cycles-pp.__put_anon_vma 0.14 ± 2% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.__put_user_4 0.17 ± 5% -0.1 0.12 ± 3% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq 0.12 ± 3% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.vm_area_free_rcu_cb 0.14 ± 2% -0.1 0.09 ± 4% perf-profile.children.cycles-pp.wake_affine 0.14 ± 3% -0.1 0.08 ± 4% perf-profile.children.cycles-pp._copy_from_user 0.12 ± 4% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.__switch_to 0.14 ± 3% -0.1 0.09 perf-profile.children.cycles-pp.getenv 0.13 ± 2% -0.1 0.08 ± 6% perf-profile.children.cycles-pp.mas_alloc_nodes 0.08 ± 4% -0.1 0.02 ± 99% perf-profile.children.cycles-pp.remove_vma 0.14 ± 2% -0.1 0.09 perf-profile.children.cycles-pp.__get_unmapped_area 0.13 ± 3% -0.1 0.08 ± 6% perf-profile.children.cycles-pp.down_read_trylock 0.14 ± 2% -0.1 0.09 perf-profile.children.cycles-pp.rcu_all_qs 0.09 ± 5% -0.1 0.04 ± 44% perf-profile.children.cycles-pp.select_idle_core 0.13 -0.1 0.08 ± 4% perf-profile.children.cycles-pp.do_notify_parent 0.16 ± 3% -0.1 0.10 ± 4% perf-profile.children.cycles-pp.generic_perform_write 0.13 ± 3% -0.1 0.08 ± 4% perf-profile.children.cycles-pp.ptep_clear_flush 0.12 -0.1 0.07 ± 5% perf-profile.children.cycles-pp.do_wp_page 0.13 ± 2% -0.1 0.08 ± 6% perf-profile.children.cycles-pp.map_vdso 0.14 ± 3% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.__free_one_page 0.12 -0.0 0.07 perf-profile.children.cycles-pp.copy_page_to_iter 0.12 ± 3% -0.0 0.07 ± 6% perf-profile.children.cycles-pp.mas_store_gfp 0.11 ± 4% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.free_percpu 0.13 ± 3% -0.0 0.08 ± 4% perf-profile.children.cycles-pp._copy_to_iter 0.11 ± 3% -0.0 0.06 perf-profile.children.cycles-pp.restore_fpregs_from_fpstate 0.07 ± 6% -0.0 0.02 ± 99% perf-profile.children.cycles-pp.syscall_return_via_sysret 0.11 ± 5% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.sched_move_task 0.11 -0.0 0.06 ± 6% perf-profile.children.cycles-pp.set_next_entity 0.11 -0.0 0.06 ± 6% perf-profile.children.cycles-pp.setlocale 0.12 ± 4% -0.0 0.08 ± 6% perf-profile.children.cycles-pp.lru_add_fn 0.14 ± 10% -0.0 0.10 ± 10% perf-profile.children.cycles-pp.worker_thread 0.13 ± 8% -0.0 0.08 ± 10% perf-profile.children.cycles-pp.xas_load 0.11 ± 3% -0.0 0.06 ± 7% perf-profile.children.cycles-pp.__tunable_get_val@plt 0.11 ± 4% -0.0 0.06 perf-profile.children.cycles-pp.copy_present_ptes 0.10 ± 4% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.finish_fault 0.13 ± 2% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.__smp_call_single_queue 0.12 ± 4% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.open_exec 0.07 ± 5% -0.0 0.02 ± 99% perf-profile.children.cycles-pp.prepend_path 0.10 ± 3% -0.0 0.05 ± 8% perf-profile.children.cycles-pp.sched_mm_cid_migrate_to 0.12 ± 3% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.llist_add_batch 0.11 ± 4% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.__install_special_mapping 0.10 -0.0 0.06 ± 8% perf-profile.children.cycles-pp.do_dentry_open 0.10 ± 4% -0.0 0.05 ± 8% perf-profile.children.cycles-pp.put_cred_rcu 0.08 ± 6% -0.0 0.03 ± 70% perf-profile.children.cycles-pp.vm_normal_page 0.10 ± 4% -0.0 0.06 perf-profile.children.cycles-pp.cfree 0.10 ± 4% -0.0 0.06 perf-profile.children.cycles-pp.getopt_long 0.10 ± 4% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.__exit_signal 0.09 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.filemap_fault 0.09 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.uncharge_batch 0.11 ± 4% -0.0 0.07 perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown_vmflags 0.15 ± 3% -0.0 0.11 ± 5% perf-profile.children.cycles-pp.update_rq_clock_task 0.12 ± 6% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.x64_sys_call 0.12 ± 6% -0.0 0.07 ± 6% perf-profile.children.cycles-pp.path_init 0.10 ± 4% -0.0 0.06 ± 9% perf-profile.children.cycles-pp.__vmalloc_node_range_noprof 0.10 ± 3% -0.0 0.06 perf-profile.children.cycles-pp.__kernel_read 0.11 ± 4% -0.0 0.06 ± 7% perf-profile.children.cycles-pp.__tlb_remove_folio_pages_size 0.10 ± 3% -0.0 0.06 perf-profile.children.cycles-pp.__vsnprintf_chk 0.10 ± 3% -0.0 0.06 perf-profile.children.cycles-pp.handle_signal 0.11 ± 11% -0.0 0.06 ± 11% perf-profile.children.cycles-pp.xas_find 0.09 ± 4% -0.0 0.05 perf-profile.children.cycles-pp.prepare_creds 0.09 ± 4% -0.0 0.05 perf-profile.children.cycles-pp.strchrnul@plt 0.10 -0.0 0.06 perf-profile.children.cycles-pp.__mod_lruvec_state 0.10 -0.0 0.06 perf-profile.children.cycles-pp.d_path 0.10 -0.0 0.06 perf-profile.children.cycles-pp.do_faccessat 0.10 ± 5% -0.0 0.06 ± 9% perf-profile.children.cycles-pp.__close_nocancel 0.07 ± 6% -0.0 0.03 ± 70% perf-profile.children.cycles-pp.__sigsuspend 0.11 ± 3% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.wakeup_preempt 0.09 ± 6% -0.0 0.05 perf-profile.children.cycles-pp.vma_interval_tree_augment_rotate 0.12 ± 3% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.native_sched_clock 0.12 ± 3% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.sched_clock_cpu 0.10 -0.0 0.06 ± 6% perf-profile.children.cycles-pp.handle_pte_fault 0.10 ± 4% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.user_path_at_empty 0.11 ± 13% -0.0 0.08 ± 12% perf-profile.children.cycles-pp.process_one_work 0.08 -0.0 0.04 ± 44% perf-profile.children.cycles-pp.entry_SYSCALL_64 0.10 ± 6% -0.0 0.06 perf-profile.children.cycles-pp.brk 0.10 ± 3% -0.0 0.06 ± 7% perf-profile.children.cycles-pp.pipe_write 0.09 ± 4% -0.0 0.05 perf-profile.children.cycles-pp.evict 0.09 ± 4% -0.0 0.05 perf-profile.children.cycles-pp.malloc 0.10 ± 5% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.alloc_fd 0.09 -0.0 0.05 ± 8% perf-profile.children.cycles-pp.count 0.09 -0.0 0.05 ± 8% perf-profile.children.cycles-pp.expand_downwards 0.09 ± 4% -0.0 0.06 ± 9% perf-profile.children.cycles-pp.vm_unmapped_area 0.09 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.__p4d_alloc 0.10 ± 5% -0.0 0.06 perf-profile.children.cycles-pp.kfree 0.10 -0.0 0.06 ± 7% perf-profile.children.cycles-pp.task_h_load 0.09 -0.0 0.06 ± 9% perf-profile.children.cycles-pp.__snprintf_chk 0.08 ± 6% -0.0 0.04 ± 44% perf-profile.children.cycles-pp.__wake_up 0.09 -0.0 0.06 ± 9% perf-profile.children.cycles-pp.irqentry_enter 0.09 ± 5% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.seq_read_iter 0.09 ± 4% -0.0 0.05 ± 8% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.08 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.seq_read 0.08 ± 6% -0.0 0.04 ± 44% perf-profile.children.cycles-pp._IO_setb 0.10 ± 4% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.sched_clock 0.08 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.__do_sys_brk 0.08 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.can_modify_mm 0.08 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.refill_obj_stock 0.08 ± 5% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.__update_blocked_fair 0.08 ± 5% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.__wake_up_common 0.08 ± 4% -0.0 0.05 perf-profile.children.cycles-pp.do_brk_flags 0.09 -0.0 0.06 perf-profile.children.cycles-pp.__d_rehash 0.08 ± 4% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.mas_wr_walk 0.08 -0.0 0.05 perf-profile.children.cycles-pp.__send_signal_locked 0.08 -0.0 0.05 perf-profile.children.cycles-pp.arch_dup_task_struct 0.08 -0.0 0.05 perf-profile.children.cycles-pp.copy_page 0.08 -0.0 0.05 perf-profile.children.cycles-pp.folio_mark_accessed 0.08 ± 4% -0.0 0.05 perf-profile.children.cycles-pp.llist_reverse_order 0.11 ± 4% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.__update_load_avg_se 0.10 ± 8% -0.0 0.07 ± 8% perf-profile.children.cycles-pp.ktime_get 0.08 ± 6% -0.0 0.05 perf-profile.children.cycles-pp.__wake_up_sync_key 0.08 ± 6% -0.0 0.05 perf-profile.children.cycles-pp.update_min_vruntime 0.20 ± 2% -0.0 0.18 perf-profile.children.cycles-pp.sched_tick 0.09 ± 5% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.update_cfs_group 0.09 ± 5% -0.0 0.07 perf-profile.children.cycles-pp.sched_balance_domains 0.08 ± 6% -0.0 0.06 perf-profile.children.cycles-pp.main 0.08 ± 6% -0.0 0.06 perf-profile.children.cycles-pp.run_builtin 0.07 -0.0 0.06 perf-profile.children.cycles-pp.__cmd_record 0.07 -0.0 0.06 perf-profile.children.cycles-pp.cmd_record 0.06 -0.0 0.05 perf-profile.children.cycles-pp.record__mmap_read_evlist 0.08 ± 13% +0.1 0.17 ± 6% perf-profile.children.cycles-pp.__filename_parentat 0.08 ± 10% +0.1 0.17 ± 6% perf-profile.children.cycles-pp.path_parentat 0.78 ± 2% +0.1 0.92 perf-profile.children.cycles-pp.lookup_open 0.54 ± 3% +0.2 0.69 ± 3% perf-profile.children.cycles-pp.fstatat64 0.23 ± 10% +0.2 0.46 ± 7% perf-profile.children.cycles-pp.complete_walk 0.24 ± 6% +0.3 0.55 ± 2% perf-profile.children.cycles-pp.copy_fs_struct 0.24 ± 6% +0.3 0.55 ± 2% perf-profile.children.cycles-pp.lockref_get 0.39 ± 18% +0.4 0.77 ± 6% perf-profile.children.cycles-pp.exit_fs 0.48 ± 16% +0.5 0.98 ± 5% perf-profile.children.cycles-pp.path_put 3.33 +0.7 4.06 perf-profile.children.cycles-pp.open_last_lookups 5.32 +1.3 6.61 ± 3% perf-profile.children.cycles-pp.filename_lookup 5.30 +1.3 6.60 ± 3% perf-profile.children.cycles-pp.path_lookupat 5.59 +1.3 6.94 ± 2% perf-profile.children.cycles-pp.__do_sys_newfstatat 5.51 +1.4 6.89 ± 2% perf-profile.children.cycles-pp.vfs_fstatat 5.36 +1.4 6.80 ± 2% perf-profile.children.cycles-pp.vfs_statx 14.06 ± 2% +1.5 15.61 perf-profile.children.cycles-pp.__lookup_slow 14.44 ± 2% +1.8 16.29 perf-profile.children.cycles-pp.d_alloc_parallel 9.68 ± 3% +3.0 12.68 perf-profile.children.cycles-pp.d_alloc 0.46 +4.5 4.96 perf-profile.children.cycles-pp.lockref_put_return 9.84 ± 2% +5.0 14.85 perf-profile.children.cycles-pp.__dentry_kill 6.51 ± 2% +5.6 12.14 perf-profile.children.cycles-pp.step_into 80.87 +7.9 88.76 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 9.08 ± 2% +7.9 16.98 perf-profile.children.cycles-pp.lookup_fast 80.82 +7.9 88.73 perf-profile.children.cycles-pp.do_syscall_64 25.94 +8.0 33.97 perf-profile.children.cycles-pp.walk_component 9.11 ± 3% +8.2 17.31 perf-profile.children.cycles-pp.lockref_get_not_dead 8.84 ± 3% +8.5 17.29 perf-profile.children.cycles-pp.try_to_unlazy 8.82 ± 3% +8.5 17.28 perf-profile.children.cycles-pp.__legitimize_path 9.80 ± 2% +9.2 19.05 perf-profile.children.cycles-pp.terminate_walk 31.80 +13.3 45.09 perf-profile.children.cycles-pp.link_path_walk 20.49 ± 2% +14.7 35.22 perf-profile.children.cycles-pp.dput 36.99 ± 3% +16.9 53.91 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 38.51 ± 3% +17.1 55.62 perf-profile.children.cycles-pp._raw_spin_lock 42.28 +21.2 63.51 perf-profile.children.cycles-pp.__x64_sys_openat 42.26 +21.2 63.50 perf-profile.children.cycles-pp.do_sys_openat2 41.86 +21.4 63.26 perf-profile.children.cycles-pp.do_filp_open 41.79 +21.4 63.22 perf-profile.children.cycles-pp.path_openat 7.51 ± 5% -5.2 2.30 ± 11% perf-profile.self.cycles-pp.osq_lock 1.82 ± 2% -0.8 1.05 perf-profile.self.cycles-pp.next_uptodate_folio 1.82 -0.7 1.08 ± 2% perf-profile.self.cycles-pp.acpi_safe_halt 1.74 -0.7 1.07 perf-profile.self.cycles-pp.clear_page_erms 1.08 ± 2% -0.6 0.49 ± 4% perf-profile.self.cycles-pp.rwsem_spin_on_owner 0.99 ± 2% -0.4 0.58 ± 3% perf-profile.self.cycles-pp.vma_interval_tree_insert 0.90 -0.4 0.50 ± 2% perf-profile.self.cycles-pp.__slab_free 0.82 -0.3 0.48 ± 2% perf-profile.self.cycles-pp.filemap_map_pages 0.75 ± 2% -0.3 0.42 perf-profile.self.cycles-pp.folio_remove_rmap_ptes 0.62 -0.3 0.32 ± 2% perf-profile.self.cycles-pp.folios_put_refs 0.75 -0.3 0.46 ± 2% perf-profile.self.cycles-pp.__d_lookup_rcu 0.62 -0.3 0.34 ± 3% perf-profile.self.cycles-pp.up_write 0.59 ± 2% -0.3 0.33 ± 3% perf-profile.self.cycles-pp._compound_head 0.56 ± 2% -0.3 0.31 ± 2% perf-profile.self.cycles-pp.down_write 0.58 -0.2 0.34 ± 2% perf-profile.self.cycles-pp.zap_present_ptes 0.52 -0.2 0.31 perf-profile.self.cycles-pp.__memcg_slab_free_hook 0.53 -0.2 0.33 perf-profile.self.cycles-pp._IO_default_xsputn 0.50 ± 2% -0.2 0.30 perf-profile.self.cycles-pp._IO_fwrite 0.52 -0.2 0.32 perf-profile.self.cycles-pp.native_irq_return_iret 0.48 -0.2 0.29 perf-profile.self.cycles-pp.sync_regs 0.46 ± 2% -0.2 0.26 ± 2% perf-profile.self.cycles-pp.update_sg_wakeup_stats 0.37 ± 2% -0.2 0.18 ± 2% perf-profile.self.cycles-pp.apparmor_file_alloc_security 0.44 -0.2 0.26 perf-profile.self.cycles-pp.strnlen_user 0.42 -0.2 0.24 perf-profile.self.cycles-pp.vma_interval_tree_remove 0.40 -0.2 0.24 ± 2% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.39 -0.2 0.23 ± 2% perf-profile.self.cycles-pp.mod_objcg_state 0.42 -0.2 0.26 ± 2% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook 0.40 -0.2 0.24 perf-profile.self.cycles-pp.kmem_cache_free 0.34 -0.1 0.20 ± 2% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.32 -0.1 0.18 ± 3% perf-profile.self.cycles-pp.free_pages_and_swap_cache 0.36 ± 4% -0.1 0.24 ± 3% perf-profile.self.cycles-pp.update_load_avg 0.24 ± 3% -0.1 0.11 ± 4% perf-profile.self.cycles-pp.apparmor_file_free_security 0.28 ± 2% -0.1 0.16 ± 3% perf-profile.self.cycles-pp.folio_add_file_rmap_ptes 0.30 -0.1 0.18 ± 3% perf-profile.self.cycles-pp.clear_bhb_loop 1.96 -0.1 1.84 perf-profile.self.cycles-pp._raw_spin_lock 0.28 -0.1 0.18 ± 2% perf-profile.self.cycles-pp.mas_walk 0.29 -0.1 0.18 perf-profile.self.cycles-pp.copy_mc_enhanced_fast_string 0.26 -0.1 0.16 ± 3% perf-profile.self.cycles-pp.memset_orig 0.27 ± 2% -0.1 0.17 ± 2% perf-profile.self.cycles-pp.___perf_sw_event 0.26 ± 4% -0.1 0.16 ± 4% perf-profile.self.cycles-pp.__schedule 0.24 ± 2% -0.1 0.15 ± 2% perf-profile.self.cycles-pp.__mod_memcg_lruvec_state 0.24 ± 2% -0.1 0.15 perf-profile.self.cycles-pp.__cond_resched 0.25 -0.1 0.16 ± 3% perf-profile.self.cycles-pp._IO_padn 0.21 ± 2% -0.1 0.12 ± 4% perf-profile.self.cycles-pp.__rb_insert_augmented 0.24 ± 2% -0.1 0.15 ± 3% perf-profile.self.cycles-pp.zap_pte_range 0.20 ± 2% -0.1 0.10 ± 4% perf-profile.self.cycles-pp.rcu_segcblist_enqueue 0.22 ± 11% -0.1 0.13 ± 8% perf-profile.self.cycles-pp.rwsem_down_read_slowpath 0.24 -0.1 0.15 ± 3% perf-profile.self.cycles-pp.cgroup_rstat_updated 0.20 ± 4% -0.1 0.12 ± 3% perf-profile.self.cycles-pp.__handle_mm_fault 0.21 ± 4% -0.1 0.12 ± 4% perf-profile.self.cycles-pp.__percpu_counter_sum 0.19 -0.1 0.11 ± 5% perf-profile.self.cycles-pp.percpu_counter_add_batch 0.18 ± 2% -0.1 0.10 ± 3% perf-profile.self.cycles-pp.rcu_cblist_dequeue 0.21 ± 2% -0.1 0.14 ± 2% perf-profile.self.cycles-pp.up_read 0.19 ± 3% -0.1 0.12 ± 3% perf-profile.self.cycles-pp.__memcpy 0.18 ± 2% -0.1 0.11 ± 3% perf-profile.self.cycles-pp.switch_mm_irqs_off 0.13 ± 2% -0.1 0.06 ± 6% perf-profile.self.cycles-pp.rwsem_down_write_slowpath 0.16 ± 2% -0.1 0.09 ± 5% perf-profile.self.cycles-pp.try_charge_memcg 0.17 -0.1 0.10 ± 3% perf-profile.self.cycles-pp.__get_user_8 0.16 ± 3% -0.1 0.09 ± 4% perf-profile.self.cycles-pp.__switch_to_asm 0.15 ± 4% -0.1 0.08 ± 4% perf-profile.self.cycles-pp.___slab_alloc 0.16 -0.1 0.09 ± 5% perf-profile.self.cycles-pp.available_idle_cpu 0.17 ± 2% -0.1 0.10 ± 4% perf-profile.self.cycles-pp.set_pte_range 0.16 ± 2% -0.1 0.10 perf-profile.self.cycles-pp.native_flush_tlb_one_user 0.14 ± 2% -0.1 0.08 perf-profile.self.cycles-pp.lock_vma_under_rcu 0.15 ± 4% -0.1 0.09 ± 4% perf-profile.self.cycles-pp.enqueue_entity 0.14 ± 3% -0.1 0.09 perf-profile.self.cycles-pp._IO_file_xsputn 0.12 ± 14% -0.1 0.06 ± 7% perf-profile.self.cycles-pp._raw_spin_lock_irq 0.17 ± 5% -0.1 0.11 ± 4% perf-profile.self.cycles-pp.__update_load_avg_cfs_rq 0.12 ± 4% -0.1 0.07 ± 5% perf-profile.self.cycles-pp.down_read_trylock 0.13 ± 2% -0.1 0.08 perf-profile.self.cycles-pp.mas_wr_node_store 0.12 ± 3% -0.1 0.07 ± 5% perf-profile.self.cycles-pp.__switch_to 0.13 ± 2% -0.1 0.08 ± 4% perf-profile.self.cycles-pp._copy_from_user 0.13 -0.1 0.08 perf-profile.self.cycles-pp.__free_one_page 0.12 ± 4% -0.0 0.06 ± 7% perf-profile.self.cycles-pp.__rb_erase_color 0.12 ± 3% -0.0 0.07 ± 6% perf-profile.self.cycles-pp.mas_next_slot 0.12 ± 3% -0.0 0.07 ± 5% perf-profile.self.cycles-pp.menu_select 0.12 -0.0 0.07 perf-profile.self.cycles-pp.mmap_region 0.12 -0.0 0.07 perf-profile.self.cycles-pp.strncpy_from_user 0.10 -0.0 0.05 ± 7% perf-profile.self.cycles-pp.__lruvec_stat_mod_folio 0.12 ± 3% -0.0 0.08 ± 6% perf-profile.self.cycles-pp.perf_event_mmap_output 0.11 ± 3% -0.0 0.06 perf-profile.self.cycles-pp.restore_fpregs_from_fpstate 0.12 ± 3% -0.0 0.07 ± 6% perf-profile.self.cycles-pp.rmqueue_bulk 0.11 -0.0 0.06 ± 7% perf-profile.self.cycles-pp._find_next_bit 0.12 ± 3% -0.0 0.08 ± 6% perf-profile.self.cycles-pp.llist_add_batch 0.14 ± 2% -0.0 0.09 ± 4% perf-profile.self.cycles-pp.obj_cgroup_charge 0.12 ± 4% -0.0 0.07 perf-profile.self.cycles-pp.link_path_walk 0.11 ± 4% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.__count_memcg_events 0.10 ± 3% -0.0 0.05 ± 8% perf-profile.self.cycles-pp.sched_mm_cid_migrate_to 0.13 ± 8% -0.0 0.09 ± 5% perf-profile.self.cycles-pp.update_rq_clock 0.11 ± 6% -0.0 0.07 perf-profile.self.cycles-pp.rwsem_mark_wake 0.11 ± 3% -0.0 0.07 perf-profile.self.cycles-pp.x64_sys_call 0.10 ± 4% -0.0 0.06 ± 7% perf-profile.self.cycles-pp.rcu_all_qs 0.09 ± 5% -0.0 0.05 ± 8% perf-profile.self.cycles-pp.do_user_addr_fault 0.10 ± 3% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.handle_mm_fault 0.09 ± 5% -0.0 0.05 ± 8% perf-profile.self.cycles-pp.pcpu_alloc_noprof 0.12 -0.0 0.08 perf-profile.self.cycles-pp.native_sched_clock 0.08 -0.0 0.04 ± 44% perf-profile.self.cycles-pp.prepare_task_switch 0.11 ± 3% -0.0 0.07 perf-profile.self.cycles-pp.getenv 0.08 ± 4% -0.0 0.04 ± 44% perf-profile.self.cycles-pp.refill_obj_stock 0.09 ± 5% -0.0 0.05 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.09 ± 5% -0.0 0.05 perf-profile.self.cycles-pp.vma_interval_tree_augment_rotate 0.10 -0.0 0.06 ± 7% perf-profile.self.cycles-pp.task_h_load 0.10 ± 3% -0.0 0.07 ± 7% perf-profile.self.cycles-pp.update_curr 0.08 ± 5% -0.0 0.05 perf-profile.self.cycles-pp.__memcg_kmem_charge_page 0.09 ± 4% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.try_to_wake_up 0.09 ± 4% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.unmap_vmas 0.08 ± 5% -0.0 0.05 perf-profile.self.cycles-pp.vm_area_dup 0.07 ± 6% -0.0 0.04 ± 44% perf-profile.self.cycles-pp._IO_setb 0.10 ± 3% -0.0 0.07 ± 7% perf-profile.self.cycles-pp.dequeue_task_fair 0.09 ± 5% -0.0 0.06 ± 9% perf-profile.self.cycles-pp.__call_rcu_common 0.08 ± 4% -0.0 0.05 perf-profile.self.cycles-pp.__flush_smp_call_function_queue 0.17 ± 2% -0.0 0.14 perf-profile.self.cycles-pp.__dentry_kill 0.08 ± 4% -0.0 0.05 ± 7% perf-profile.self.cycles-pp.__mod_memcg_state 0.08 -0.0 0.05 perf-profile.self.cycles-pp.__alloc_pages_noprof 0.08 -0.0 0.05 perf-profile.self.cycles-pp.__put_user_8 0.08 -0.0 0.05 perf-profile.self.cycles-pp.__snprintf_chk 0.08 -0.0 0.05 perf-profile.self.cycles-pp.mas_wr_walk 0.08 -0.0 0.05 perf-profile.self.cycles-pp.unlink_anon_vmas 0.12 ± 4% -0.0 0.09 ± 5% perf-profile.self.cycles-pp.update_rq_clock_task 0.07 ± 8% -0.0 0.04 ± 44% perf-profile.self.cycles-pp.update_min_vruntime 0.09 ± 5% -0.0 0.06 ± 7% perf-profile.self.cycles-pp.enqueue_task_fair 0.08 ± 4% -0.0 0.05 perf-profile.self.cycles-pp.llist_reverse_order 0.09 ± 5% -0.0 0.06 perf-profile.self.cycles-pp.__d_rehash 0.09 ± 14% -0.0 0.06 ± 11% perf-profile.self.cycles-pp.update_sd_lb_stats 0.08 ± 6% -0.0 0.05 perf-profile.self.cycles-pp.copy_page 0.09 ± 4% -0.0 0.07 perf-profile.self.cycles-pp.update_cfs_group 0.10 ± 4% -0.0 0.08 ± 6% perf-profile.self.cycles-pp.__update_load_avg_se 0.17 ± 4% +0.0 0.20 ± 2% perf-profile.self.cycles-pp.down_read 0.05 +0.0 0.08 ± 4% perf-profile.self.cycles-pp.dput 0.20 +0.0 0.23 ± 2% perf-profile.self.cycles-pp.fput 0.51 ± 2% +0.1 0.56 perf-profile.self.cycles-pp.d_alloc_parallel 0.25 ± 2% +0.1 0.31 ± 2% perf-profile.self.cycles-pp.d_alloc 0.00 +0.1 0.12 ± 4% perf-profile.self.cycles-pp.lockref_get 0.46 ± 2% +4.2 4.69 perf-profile.self.cycles-pp.lockref_get_not_dead 0.45 +4.5 4.91 perf-profile.self.cycles-pp.lockref_put_return 36.60 ± 3% +16.8 53.40 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath *************************************************************************************************** lkp-icl-2sp8: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory ========================================================================================= compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-13/performance/1HDD/ext4/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp8/getdent/stress-ng/60s commit: 267574dee6 ("bcachefs: remove now spurious i_state initialization") d042dae6ad ("lockref: speculatively spin waiting for the lock to be released") 267574dee6ae0da6 d042dae6ad74df8a00ee8a3c6b7 ---------------- --------------------------- %stddev %change %stddev \ | \ 177309 -4.8% 168834 vmstat.system.in 5.76 ± 8% -10.4% 5.17 ± 2% iostat.cpu.idle 91.68 +2.0% 93.54 iostat.cpu.system 2.54 -49.7% 1.28 ± 2% iostat.cpu.user 2.77 ± 18% -0.6 2.13 ± 6% mpstat.cpu.all.idle% 1.14 -0.8 0.34 ± 5% mpstat.cpu.all.soft% 2.60 -1.3 1.30 mpstat.cpu.all.usr% 131.58 ± 11% -33.8% 87.05 ± 22% sched_debug.cfs_rq:/.load_avg.avg 358.52 ± 13% -33.9% 237.11 ± 20% sched_debug.cfs_rq:/.load_avg.stddev 3732 ± 7% -16.7% 3109 ± 11% sched_debug.cpu.avg_idle.min 54365179 ± 2% -61.2% 21094696 ± 4% numa-numastat.node0.local_node 54402060 ± 2% -61.2% 21116369 ± 4% numa-numastat.node0.numa_hit 40309428 ± 2% -49.6% 20297594 ± 4% numa-numastat.node1.local_node 40351498 ± 2% -49.6% 20336354 ± 4% numa-numastat.node1.numa_hit 54513582 ± 2% -61.3% 21104676 ± 4% numa-vmstat.node0.numa_hit 54476717 ± 2% -61.3% 21083003 ± 4% numa-vmstat.node0.numa_local 40446773 ± 2% -49.7% 20327089 ± 4% numa-vmstat.node1.numa_hit 40404702 ± 2% -49.8% 20288329 ± 4% numa-vmstat.node1.numa_local 13178 ± 17% -47.2% 6951 ± 19% perf-c2c.DRAM.local 31311 ± 13% -32.5% 21125 ± 18% perf-c2c.DRAM.remote 29199 ± 10% -21.6% 22897 ± 13% perf-c2c.HITM.local 13565 ± 13% -26.8% 9931 ± 19% perf-c2c.HITM.remote 42764 ± 11% -23.2% 32828 ± 15% perf-c2c.HITM.total 9550 -59.0% 3911 ± 7% stress-ng.getdent.nanosecs_per_getdents_call 1.179e+08 -56.5% 51297497 ± 2% stress-ng.getdent.ops 1964229 -56.5% 854956 ± 2% stress-ng.getdent.ops_per_sec 86114063 -56.4% 37516313 ± 2% stress-ng.time.minor_page_faults 3636 +2.3% 3718 stress-ng.time.system_time 84.67 -57.2% 36.24 ± 2% stress-ng.time.user_time 57605 ± 3% -6.3% 53991 ± 3% proc-vmstat.nr_active_anon 1814 -4.3% 1736 ± 4% proc-vmstat.nr_active_file 199146 +2.3% 203812 proc-vmstat.nr_inactive_anon 37599 +4.4% 39262 ± 2% proc-vmstat.nr_mapped 81422 -4.2% 78023 proc-vmstat.nr_slab_reclaimable 49630 -1.9% 48672 proc-vmstat.nr_slab_unreclaimable 57605 ± 3% -6.3% 53991 ± 3% proc-vmstat.nr_zone_active_anon 1814 -4.3% 1736 ± 4% proc-vmstat.nr_zone_active_file 199146 +2.3% 203812 proc-vmstat.nr_zone_inactive_anon 15605 ± 19% -41.3% 9164 ± 22% proc-vmstat.numa_hint_faults 8927 ± 36% -38.8% 5463 ± 11% proc-vmstat.numa_hint_faults_local 94830413 ± 2% -56.3% 41449377 ± 3% proc-vmstat.numa_hit 94751461 ± 2% -56.3% 41388944 ± 3% proc-vmstat.numa_local 119660 ± 8% +26.4% 151293 ± 7% proc-vmstat.pgactivate 99784640 ± 2% -57.0% 42943559 ± 3% proc-vmstat.pgalloc_normal 86284666 -56.2% 37781294 ± 2% proc-vmstat.pgfault 99496632 ± 2% -57.1% 42682486 ± 3% proc-vmstat.pgfree 3.32 ± 3% -28.6% 2.37 perf-stat.i.MPKI 1.114e+10 -32.5% 7.517e+09 perf-stat.i.branch-instructions 0.66 -0.1 0.53 perf-stat.i.branch-miss-rate% 70296622 -44.4% 39108658 perf-stat.i.branch-misses 45.76 -5.5 40.29 perf-stat.i.cache-miss-rate% 1.696e+08 ± 2% -54.1% 77750955 perf-stat.i.cache-misses 3.68e+08 ± 2% -47.8% 1.921e+08 perf-stat.i.cache-references 4.43 +58.7% 7.03 perf-stat.i.cpi 271.12 ± 3% -24.9% 203.71 ± 7% perf-stat.i.cpu-migrations 1364 ± 2% +120.5% 3008 perf-stat.i.cycles-between-cache-misses 5.101e+10 -36.2% 3.255e+10 perf-stat.i.instructions 0.23 -35.7% 0.15 perf-stat.i.ipc 44.34 -56.2% 19.42 perf-stat.i.metric.K/sec 1416143 -56.4% 617728 ± 2% perf-stat.i.minor-faults 1416143 -56.4% 617728 ± 2% perf-stat.i.page-faults 3.33 ± 2% -28.1% 2.39 perf-stat.overall.MPKI 0.63 -0.1 0.52 perf-stat.overall.branch-miss-rate% 46.07 -5.6 40.47 perf-stat.overall.cache-miss-rate% 4.39 +57.2% 6.91 perf-stat.overall.cpi 1321 ± 2% +118.5% 2887 ± 2% perf-stat.overall.cycles-between-cache-misses 0.23 -36.4% 0.14 perf-stat.overall.ipc 1.096e+10 -32.5% 7.405e+09 perf-stat.ps.branch-instructions 69044394 -44.4% 38415093 perf-stat.ps.branch-misses 1.669e+08 ± 2% -54.0% 76744131 ± 2% perf-stat.ps.cache-misses 3.623e+08 ± 2% -47.6% 1.897e+08 ± 2% perf-stat.ps.cache-references 268.10 ± 3% -24.8% 201.67 ± 7% perf-stat.ps.cpu-migrations 5.019e+10 -36.1% 3.207e+10 perf-stat.ps.instructions 1393551 -56.3% 609646 ± 2% perf-stat.ps.minor-faults 1393551 -56.3% 609646 ± 2% perf-stat.ps.page-faults 3.071e+12 -36.3% 1.957e+12 perf-stat.total.instructions 58.94 -52.6 6.32 ± 33% perf-profile.calltrace.cycles-pp.syscall 58.03 -52.0 5.99 ± 35% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall 57.96 -52.0 5.96 ± 35% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 29.21 -26.2 2.99 ± 35% perf-profile.calltrace.cycles-pp.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 28.52 -25.6 2.90 ± 36% perf-profile.calltrace.cycles-pp.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 28.40 -25.5 2.88 ± 36% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 27.98 -25.2 2.82 ± 37% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 8.70 ± 4% -8.3 0.36 ±102% perf-profile.calltrace.cycles-pp.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe 8.66 ± 4% -8.3 0.35 ±102% perf-profile.calltrace.cycles-pp.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe 8.62 ± 4% -8.3 0.35 ±102% perf-profile.calltrace.cycles-pp.proc_readdir_de.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64 8.61 ± 4% -8.3 0.35 ±102% perf-profile.calltrace.cycles-pp.proc_readdir_de.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64 5.90 ± 5% -5.2 0.69 ± 14% perf-profile.calltrace.cycles-pp.lookup_open.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 5.49 ± 18% -5.1 0.37 ±223% perf-profile.calltrace.cycles-pp.eventfs_iterate.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe 5.47 ± 18% -5.1 0.36 ±223% perf-profile.calltrace.cycles-pp.eventfs_iterate.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe 5.09 ± 4% -5.1 0.00 perf-profile.calltrace.cycles-pp.proc_readdir_de.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe 5.09 ± 4% -5.1 0.00 perf-profile.calltrace.cycles-pp.proc_readdir_de.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe 5.93 ± 3% -5.0 0.90 ± 10% perf-profile.calltrace.cycles-pp.__close 5.64 ± 3% -4.8 0.80 ± 11% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close 5.63 ± 3% -4.8 0.80 ± 11% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 5.55 ± 3% -4.8 0.77 ± 11% perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 4.94 ± 20% -4.6 0.35 ±223% perf-profile.calltrace.cycles-pp.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents64.do_syscall_64 4.92 ± 20% -4.6 0.34 ±223% perf-profile.calltrace.cycles-pp.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents.do_syscall_64 4.34 ± 4% -3.9 0.40 ± 71% perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 4.28 ± 4% -3.6 0.64 ± 18% perf-profile.calltrace.cycles-pp.inode_permission.link_path_walk.path_openat.do_filp_open.do_sys_openat2 3.28 ± 2% -2.6 0.65 ± 7% perf-profile.calltrace.cycles-pp.brk 3.20 ± 2% -2.6 0.62 ± 7% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.brk 3.20 ± 2% -2.6 0.62 ± 7% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 3.16 ± 2% -2.6 0.61 ± 7% perf-profile.calltrace.cycles-pp.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 2.79 ± 2% -2.1 0.66 ± 8% perf-profile.calltrace.cycles-pp.asm_exc_page_fault 2.52 ± 3% -2.0 0.48 ± 45% perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 2.54 ± 2% -2.0 0.57 ± 8% perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault 2.51 -1.9 0.60 ± 2% perf-profile.calltrace.cycles-pp.proc_pident_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.49 -1.9 0.59 perf-profile.calltrace.cycles-pp.proc_pident_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.39 -1.8 0.57 ± 2% perf-profile.calltrace.cycles-pp.proc_fill_cache.proc_pident_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64 2.39 -1.8 0.58 perf-profile.calltrace.cycles-pp.proc_fill_cache.proc_pident_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64 5.01 ± 3% +1.8 6.76 perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_openat.do_filp_open.do_sys_openat2 0.00 +2.2 2.20 ± 6% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.walk_component 0.00 +2.2 2.20 ± 6% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.walk_component.link_path_walk 0.00 +2.2 2.20 ± 6% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.walk_component.link_path_walk.path_openat 3.39 ± 4% +3.2 6.54 ± 2% perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_openat.do_filp_open 0.00 +3.5 3.45 ± 12% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next 0.00 +3.5 3.48 ± 12% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next.lookup_fast 0.00 +3.9 3.91 ± 4% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy_next.lookup_fast.walk_component.link_path_walk 0.00 +3.9 3.91 ± 4% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next.lookup_fast.walk_component 0.00 +3.9 3.92 ± 4% perf-profile.calltrace.cycles-pp.try_to_unlazy_next.lookup_fast.walk_component.link_path_walk.path_openat 0.90 ± 4% +5.7 6.62 ± 9% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_openat.do_filp_open 7.79 ± 4% +9.7 17.50 ± 2% perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 1.53 ± 4% +15.1 16.61 ± 3% perf-profile.calltrace.cycles-pp.lookup_fast.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 0.00 +15.3 15.34 ± 3% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast 0.18 ±141% +15.7 15.91 ± 3% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups.path_openat 0.18 ±141% +15.7 15.92 ± 3% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.open_last_lookups.path_openat.do_filp_open 0.00 +15.9 15.90 ± 3% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups 11.06 ± 2% +17.1 28.20 ± 2% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 0.00 +17.4 17.40 ± 3% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk 0.66 ± 9% +19.9 20.56 ± 3% perf-profile.calltrace.cycles-pp.try_to_unlazy.link_path_walk.path_openat.do_filp_open.do_sys_openat2 0.65 ± 10% +19.9 20.55 ± 3% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.link_path_walk.path_openat.do_filp_open 0.38 ± 71% +20.2 20.54 ± 3% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk.path_openat 0.00 +32.4 32.45 ± 3% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy 0.00 +35.8 35.76 ± 3% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.terminate_walk.path_openat 0.00 +36.1 36.09 ± 3% perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.terminate_walk.path_openat.do_filp_open 1.19 ± 10% +41.6 42.82 ± 3% perf-profile.calltrace.cycles-pp.terminate_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 1.15 ± 10% +41.6 42.80 ± 3% perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_openat.do_filp_open.do_sys_openat2 26.89 ± 2% +63.4 90.25 ± 2% perf-profile.calltrace.cycles-pp.open64 26.57 ± 2% +63.6 90.13 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64 26.55 ± 2% +63.6 90.12 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 26.46 ± 2% +63.6 90.09 ± 2% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 26.43 ± 2% +63.6 90.08 ± 2% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 25.37 ± 2% +64.0 89.41 ± 2% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 25.30 ± 2% +64.1 89.39 ± 2% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64 59.11 -52.7 6.38 ± 33% perf-profile.children.cycles-pp.syscall 56.40 -50.7 5.70 ± 36% perf-profile.children.cycles-pp.iterate_dir 29.22 -26.2 2.99 ± 35% perf-profile.children.cycles-pp.__x64_sys_getdents 27.45 ± 4% -25.7 1.71 ± 27% perf-profile.children.cycles-pp.proc_readdir_de 28.53 -25.6 2.90 ± 36% perf-profile.children.cycles-pp.__x64_sys_getdents64 17.36 ± 4% -16.2 1.18 ± 24% perf-profile.children.cycles-pp.proc_tgid_net_readdir 14.38 ± 4% -13.7 0.65 ± 38% perf-profile.children.cycles-pp._raw_read_lock 10.97 ± 18% -10.1 0.85 ±186% perf-profile.children.cycles-pp.eventfs_iterate 9.85 ± 20% -9.2 0.70 ±223% perf-profile.children.cycles-pp.__mutex_lock 9.14 ± 22% -8.5 0.68 ±223% perf-profile.children.cycles-pp.osq_lock 6.78 ± 6% -6.0 0.75 ± 21% perf-profile.children.cycles-pp.kernfs_fop_readdir 6.54 ± 7% -5.7 0.87 ± 19% perf-profile.children.cycles-pp.down_read 5.94 ± 6% -5.5 0.40 ± 39% perf-profile.children.cycles-pp.up_read 5.90 ± 5% -5.2 0.70 ± 14% perf-profile.children.cycles-pp.lookup_open 5.68 ± 6% -5.1 0.55 ± 17% perf-profile.children.cycles-pp.proc_lookup_de 5.98 ± 3% -5.1 0.92 ± 10% perf-profile.children.cycles-pp.__close 6.65 -5.0 1.63 perf-profile.children.cycles-pp.proc_fill_cache 5.57 ± 6% -5.0 0.55 ± 16% perf-profile.children.cycles-pp.proc_tgid_net_lookup 5.56 ± 3% -4.8 0.78 ± 11% perf-profile.children.cycles-pp.__x64_sys_close 5.06 ± 4% -4.3 0.73 ± 18% perf-profile.children.cycles-pp.inode_permission 5.01 -3.8 1.19 perf-profile.children.cycles-pp.proc_pident_readdir 4.36 ± 4% -3.8 0.56 ± 12% perf-profile.children.cycles-pp.__fput 4.70 -3.6 1.14 ± 4% perf-profile.children.cycles-pp.__d_lookup 3.85 ± 6% -3.3 0.51 ± 20% perf-profile.children.cycles-pp.kernfs_iop_permission 3.54 -3.1 0.48 ± 9% perf-profile.children.cycles-pp.do_open 3.58 -2.6 0.93 perf-profile.children.cycles-pp.d_hash_and_lookup 3.29 ± 2% -2.6 0.65 ± 7% perf-profile.children.cycles-pp.brk 3.16 ± 2% -2.6 0.61 ± 7% perf-profile.children.cycles-pp.__do_sys_brk 2.70 ± 7% -2.5 0.20 ± 32% perf-profile.children.cycles-pp.kernfs_dop_revalidate 2.76 ± 6% -2.4 0.35 ± 13% perf-profile.children.cycles-pp.__dentry_kill 2.67 ± 11% -2.3 0.35 ± 14% perf-profile.children.cycles-pp.proc_get_inode 3.01 ± 2% -2.3 0.72 ± 8% perf-profile.children.cycles-pp.asm_exc_page_fault 2.60 ± 11% -2.3 0.33 ± 13% perf-profile.children.cycles-pp.new_inode 2.70 ± 2% -2.1 0.60 ± 8% perf-profile.children.cycles-pp.exc_page_fault 2.69 ± 3% -2.1 0.60 ± 8% perf-profile.children.cycles-pp.do_user_addr_fault 2.48 ± 2% -2.0 0.44 ± 9% perf-profile.children.cycles-pp.do_vmi_align_munmap 2.32 ± 2% -2.0 0.29 ± 9% perf-profile.children.cycles-pp.do_dentry_open 1.88 ± 8% -1.7 0.16 ± 20% perf-profile.children.cycles-pp.evict 2.16 ± 3% -1.7 0.50 ± 8% perf-profile.children.cycles-pp.handle_mm_fault 1.98 ± 2% -1.7 0.31 ± 10% perf-profile.children.cycles-pp.unmap_region 2.01 ± 3% -1.6 0.45 ± 9% perf-profile.children.cycles-pp.__handle_mm_fault 1.86 ± 3% -1.5 0.40 ± 9% perf-profile.children.cycles-pp.do_anonymous_page 1.53 ± 6% -1.3 0.22 ± 8% perf-profile.children.cycles-pp.__lookup_slow 1.35 ± 4% -1.2 0.14 ± 12% perf-profile.children.cycles-pp.security_file_open 1.35 ± 4% -1.2 0.14 ± 15% perf-profile.children.cycles-pp.apparmor_file_open 1.42 ± 3% -1.1 0.31 ± 8% perf-profile.children.cycles-pp.alloc_empty_file 1.37 ± 3% -0.9 0.42 ± 5% perf-profile.children.cycles-pp.handle_softirqs 1.36 ± 3% -0.9 0.41 ± 4% perf-profile.children.cycles-pp.rcu_core 1.35 ± 2% -0.9 0.41 ± 5% perf-profile.children.cycles-pp.rcu_do_batch 1.08 ± 4% -0.9 0.20 ± 9% perf-profile.children.cycles-pp.init_file 1.21 ± 3% -0.8 0.36 ± 6% perf-profile.children.cycles-pp.kmem_cache_free 0.92 ± 2% -0.8 0.07 ± 27% perf-profile.children.cycles-pp.mutex_lock 1.04 ± 2% -0.8 0.23 ± 7% perf-profile.children.cycles-pp.step_into 0.87 ± 2% -0.8 0.10 ± 15% perf-profile.children.cycles-pp.pde_put 0.92 ± 4% -0.7 0.17 ± 10% perf-profile.children.cycles-pp.security_file_alloc 1.00 -0.7 0.27 ± 2% perf-profile.children.cycles-pp.proc_map_files_readdir 0.83 ± 4% -0.7 0.11 ± 15% perf-profile.children.cycles-pp.may_open 0.82 ± 2% -0.7 0.13 ± 10% perf-profile.children.cycles-pp.tlb_finish_mmu 0.96 ± 3% -0.7 0.27 ± 8% perf-profile.children.cycles-pp.alloc_anon_folio 1.16 ± 2% -0.7 0.47 ± 9% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.82 ± 4% -0.7 0.14 ± 12% perf-profile.children.cycles-pp.apparmor_file_alloc_security 0.80 ± 2% -0.7 0.11 ± 12% perf-profile.children.cycles-pp.folios_put_refs 1.13 ± 3% -0.7 0.45 ± 9% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.86 ± 5% -0.7 0.18 ± 20% perf-profile.children.cycles-pp.irq_exit_rcu 0.87 ± 2% -0.7 0.20 ± 3% perf-profile.children.cycles-pp.proc_readfd_common 0.75 ± 2% -0.6 0.11 ± 12% perf-profile.children.cycles-pp.__fdget_pos 0.84 -0.6 0.20 ± 2% perf-profile.children.cycles-pp.proc_ns_dir_readdir 0.74 -0.6 0.12 ± 10% perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 0.69 ± 3% -0.6 0.06 ± 19% perf-profile.children.cycles-pp.d_splice_alias 0.74 ± 2% -0.6 0.12 ± 10% perf-profile.children.cycles-pp.free_pages_and_swap_cache 0.63 ± 2% -0.6 0.08 ± 11% perf-profile.children.cycles-pp.folio_batch_move_lru 0.67 ± 5% -0.5 0.13 ± 8% perf-profile.children.cycles-pp.security_file_free 0.61 ± 2% -0.5 0.07 ± 9% perf-profile.children.cycles-pp.fsnotify_grab_connector 0.66 ± 5% -0.5 0.13 ± 10% perf-profile.children.cycles-pp.apparmor_file_free_security 0.61 ± 2% -0.5 0.08 ± 8% perf-profile.children.cycles-pp.down_read_killable 0.60 ± 2% -0.5 0.07 ± 12% perf-profile.children.cycles-pp.lru_add_drain 0.60 ± 2% -0.5 0.07 ± 12% perf-profile.children.cycles-pp.lru_add_drain_cpu 0.69 ± 4% -0.5 0.17 ± 5% perf-profile.children.cycles-pp.__slab_free 0.58 ± 4% -0.5 0.06 ± 11% perf-profile.children.cycles-pp.kernfs_dir_pos 0.78 ± 2% -0.5 0.27 ± 5% perf-profile.children.cycles-pp.filldir 0.76 -0.5 0.26 ± 6% perf-profile.children.cycles-pp.filldir64 0.77 ± 3% -0.5 0.28 ± 6% perf-profile.children.cycles-pp.clear_bhb_loop 0.60 ± 2% -0.5 0.11 ± 6% perf-profile.children.cycles-pp.filp_flush 0.75 ± 2% -0.5 0.26 ± 6% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 0.73 ± 2% -0.5 0.25 ± 7% perf-profile.children.cycles-pp.alloc_inode 0.62 ± 6% -0.5 0.14 ± 8% perf-profile.children.cycles-pp.security_file_permission 0.59 ± 6% -0.5 0.13 ± 9% perf-profile.children.cycles-pp.apparmor_file_permission 0.48 ± 3% -0.5 0.03 ±100% perf-profile.children.cycles-pp.__d_add 0.52 ± 2% -0.4 0.08 ± 6% perf-profile.children.cycles-pp.dnotify_flush 0.60 ± 3% -0.4 0.16 ± 7% perf-profile.children.cycles-pp.vma_alloc_folio_noprof 0.59 ± 4% -0.4 0.16 ± 11% perf-profile.children.cycles-pp.alloc_pages_mpol_noprof 0.50 ± 2% -0.4 0.07 ± 7% perf-profile.children.cycles-pp.fsnotify_find_mark 0.66 ± 2% -0.4 0.24 ± 3% perf-profile.children.cycles-pp.d_alloc_parallel 0.56 ± 3% -0.4 0.15 ± 10% perf-profile.children.cycles-pp.__alloc_pages_noprof 0.56 ± 4% -0.4 0.17 ± 8% perf-profile.children.cycles-pp.kmem_cache_alloc_lru_noprof 0.48 ± 2% -0.4 0.10 ± 10% perf-profile.children.cycles-pp.unmap_vmas 0.48 ± 3% -0.4 0.09 ± 7% perf-profile.children.cycles-pp.unmap_page_range 0.47 ± 2% -0.4 0.09 ± 10% perf-profile.children.cycles-pp.zap_pmd_range 0.46 ± 3% -0.4 0.09 ± 10% perf-profile.children.cycles-pp.zap_pte_range 0.49 ± 2% -0.4 0.12 ± 6% perf-profile.children.cycles-pp.do_brk_flags 0.47 ± 3% -0.4 0.12 ± 9% perf-profile.children.cycles-pp.get_page_from_freelist 0.38 -0.3 0.06 ± 7% perf-profile.children.cycles-pp.zap_present_ptes 0.48 ± 2% -0.3 0.18 ± 6% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 0.36 ± 3% -0.3 0.06 ± 13% perf-profile.children.cycles-pp.__call_rcu_common 0.49 ± 3% -0.3 0.19 ± 3% perf-profile.children.cycles-pp.d_alloc 0.32 ± 2% -0.3 0.02 ± 99% perf-profile.children.cycles-pp.alloc_fd 0.36 ± 2% -0.3 0.07 ± 12% perf-profile.children.cycles-pp.inode_wait_for_writeback 0.53 ± 7% -0.3 0.26 ± 13% perf-profile.children.cycles-pp.kthread 0.53 ± 7% -0.3 0.26 ± 13% perf-profile.children.cycles-pp.ret_from_fork 0.53 ± 7% -0.3 0.26 ± 13% perf-profile.children.cycles-pp.ret_from_fork_asm 0.51 ± 8% -0.3 0.24 ± 16% perf-profile.children.cycles-pp.run_ksoftirqd 0.51 ± 8% -0.3 0.24 ± 15% perf-profile.children.cycles-pp.smpboot_thread_fn 0.37 ± 5% -0.3 0.10 ± 10% perf-profile.children.cycles-pp.proc_alloc_inode 0.32 ± 6% -0.3 0.07 ± 17% perf-profile.children.cycles-pp.___slab_alloc 0.38 ± 2% -0.2 0.14 ± 4% perf-profile.children.cycles-pp.__cond_resched 0.32 ± 2% -0.2 0.08 ± 10% perf-profile.children.cycles-pp.__split_vma 0.38 ± 2% -0.2 0.14 ± 6% perf-profile.children.cycles-pp.entry_SYSCALL_64 0.28 ± 2% -0.2 0.05 perf-profile.children.cycles-pp.lockref_get 0.32 ± 2% -0.2 0.09 ± 6% perf-profile.children.cycles-pp.__d_lookup_rcu 0.32 ± 3% -0.2 0.09 ± 7% perf-profile.children.cycles-pp.__mem_cgroup_charge 0.42 ± 21% -0.2 0.20 ± 6% perf-profile.children.cycles-pp.rb_next 0.34 ± 3% -0.2 0.13 ± 5% perf-profile.children.cycles-pp.getname_flags 0.36 ± 2% -0.2 0.15 ± 8% perf-profile.children.cycles-pp.inode_init_always 0.23 ± 2% -0.2 0.03 ± 70% perf-profile.children.cycles-pp.task_lookup_next_fdget_rcu 0.23 ± 5% -0.2 0.04 ± 45% perf-profile.children.cycles-pp.security_file_post_open 0.30 ± 2% -0.2 0.11 ± 6% perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.22 ± 5% -0.2 0.04 ± 45% perf-profile.children.cycles-pp.ima_file_check 0.27 ± 2% -0.2 0.10 ± 7% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.24 ± 2% -0.2 0.07 ± 5% perf-profile.children.cycles-pp.pid_delete_dentry 0.22 ± 3% -0.2 0.06 ± 19% perf-profile.children.cycles-pp.path_init 0.25 ± 3% -0.2 0.09 ± 7% perf-profile.children.cycles-pp.sync_regs 0.21 ± 3% -0.2 0.06 ± 9% perf-profile.children.cycles-pp.proc_free_inode 0.24 ± 3% -0.1 0.09 ± 5% perf-profile.children.cycles-pp.__d_alloc 0.23 ± 4% -0.1 0.09 ± 7% perf-profile.children.cycles-pp.strncpy_from_user 0.22 ± 2% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.native_irq_return_iret 0.19 ± 2% -0.1 0.06 ± 6% perf-profile.children.cycles-pp.mas_wr_store_entry 0.22 ± 2% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.verify_dirent_name 0.20 ± 2% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.stress_getdents_dir 0.20 ± 5% -0.1 0.08 ± 4% perf-profile.children.cycles-pp.pid_revalidate 0.20 ± 3% -0.1 0.08 ± 10% perf-profile.children.cycles-pp.mod_objcg_state 0.19 -0.1 0.07 ± 8% perf-profile.children.cycles-pp.stress_getdents64_dir 0.18 ± 4% -0.1 0.06 ± 7% perf-profile.children.cycles-pp.strlcat 0.15 ± 3% -0.1 0.03 ±100% perf-profile.children.cycles-pp.nd_jump_root 0.17 ± 4% -0.1 0.06 ± 9% perf-profile.children.cycles-pp.perf_event_mmap 0.18 ± 2% -0.1 0.07 ± 5% perf-profile.children.cycles-pp.snprintf 0.19 ± 2% -0.1 0.07 ± 9% perf-profile.children.cycles-pp.security_inode_alloc 0.17 ± 4% -0.1 0.06 ± 9% perf-profile.children.cycles-pp.__lruvec_stat_mod_folio 0.16 ± 4% -0.1 0.05 ± 7% perf-profile.children.cycles-pp.perf_event_mmap_event 0.18 ± 2% -0.1 0.06 ± 7% perf-profile.children.cycles-pp.vsnprintf 0.18 ± 2% -0.1 0.06 ± 7% perf-profile.children.cycles-pp.memchr 0.17 ± 4% -0.1 0.06 ± 7% perf-profile.children.cycles-pp.clear_page_erms 0.18 ± 2% -0.1 0.07 ± 12% perf-profile.children.cycles-pp.generic_permission 0.16 ± 3% -0.1 0.06 ± 8% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state 0.16 ± 2% -0.1 0.06 ± 8% perf-profile.children.cycles-pp.syscall_exit_to_user_mode 0.18 ± 2% -0.1 0.08 ± 6% perf-profile.children.cycles-pp.rcu_cblist_dequeue 0.15 -0.1 0.05 ± 7% perf-profile.children.cycles-pp.__perf_sw_event 0.16 ± 3% -0.1 0.06 ± 8% perf-profile.children.cycles-pp.rcu_all_qs 0.13 -0.1 0.03 ± 70% perf-profile.children.cycles-pp.___perf_sw_event 0.13 ± 6% -0.1 0.04 ± 45% perf-profile.children.cycles-pp.__check_object_size 0.11 -0.1 0.02 ± 99% perf-profile.children.cycles-pp.errseq_sample 0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp.get_jiffies_update 0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp.tmigr_requires_handle_remote 0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.vfs_fstatat 0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.vfs_statx 0.00 +0.1 0.06 perf-profile.children.cycles-pp.__do_sys_newfstatat 0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.filename_lookup 0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.path_lookupat 0.24 ± 3% +0.2 0.44 ± 4% perf-profile.children.cycles-pp.putname 5.03 ± 3% +1.9 6.93 perf-profile.children.cycles-pp.walk_component 2.70 ± 2% +4.1 6.80 ± 9% perf-profile.children.cycles-pp.lockref_put_return 0.12 ± 12% +4.3 4.38 ± 6% perf-profile.children.cycles-pp.try_to_unlazy_next 93.59 +4.4 97.98 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 93.49 +4.4 97.94 perf-profile.children.cycles-pp.do_syscall_64 7.80 ± 4% +9.7 17.52 ± 2% perf-profile.children.cycles-pp.open_last_lookups 11.09 ± 2% +17.3 28.42 ± 2% perf-profile.children.cycles-pp.link_path_walk 4.95 ± 4% +18.3 23.29 ± 2% perf-profile.children.cycles-pp.lookup_fast 6.89 ± 4% +36.7 43.64 ± 2% perf-profile.children.cycles-pp.dput 1.37 ± 9% +37.4 38.81 ± 3% perf-profile.children.cycles-pp.try_to_unlazy 1.20 ± 10% +41.7 42.95 ± 3% perf-profile.children.cycles-pp.terminate_walk 1.42 ± 10% +41.8 43.18 ± 3% perf-profile.children.cycles-pp.__legitimize_path 1.11 ± 12% +42.0 43.16 ± 3% perf-profile.children.cycles-pp.lockref_get_not_dead 26.94 ± 2% +63.3 90.27 ± 2% perf-profile.children.cycles-pp.open64 26.49 ± 2% +63.9 90.38 ± 2% perf-profile.children.cycles-pp.__x64_sys_openat 26.46 ± 2% +63.9 90.38 ± 2% perf-profile.children.cycles-pp.do_sys_openat2 9.73 ± 7% +64.0 73.74 ± 3% perf-profile.children.cycles-pp._raw_spin_lock 25.39 ± 2% +64.3 89.71 ± 2% perf-profile.children.cycles-pp.do_filp_open 25.33 ± 2% +64.4 89.69 ± 2% perf-profile.children.cycles-pp.path_openat 4.21 ± 14% +68.2 72.38 ± 3% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 14.22 ± 4% -13.6 0.64 ± 37% perf-profile.self.cycles-pp._raw_read_lock 12.62 ± 4% -11.9 0.73 ± 28% perf-profile.self.cycles-pp.proc_readdir_de 9.07 ± 22% -8.4 0.68 ±223% perf-profile.self.cycles-pp.osq_lock 6.45 ± 7% -5.6 0.84 ± 19% perf-profile.self.cycles-pp.down_read 5.89 ± 6% -5.5 0.39 ± 39% perf-profile.self.cycles-pp.up_read 5.72 ± 2% -4.4 1.36 ± 6% perf-profile.self.cycles-pp._raw_spin_lock 2.20 -1.4 0.78 ± 3% perf-profile.self.cycles-pp.__d_lookup 1.50 ± 4% -1.4 0.09 ± 30% perf-profile.self.cycles-pp.proc_lookup_de 1.33 ± 4% -1.2 0.14 ± 15% perf-profile.self.cycles-pp.apparmor_file_open 0.86 ± 2% -0.8 0.04 ± 77% perf-profile.self.cycles-pp.mutex_lock 0.86 ± 2% -0.8 0.09 ± 16% perf-profile.self.cycles-pp.pde_put 0.80 ± 4% -0.7 0.14 ± 10% perf-profile.self.cycles-pp.apparmor_file_alloc_security 0.60 ± 2% -0.5 0.07 ± 11% perf-profile.self.cycles-pp.do_dentry_open 0.65 ± 5% -0.5 0.13 ± 12% perf-profile.self.cycles-pp.apparmor_file_free_security 0.68 ± 4% -0.5 0.16 ± 5% perf-profile.self.cycles-pp.__slab_free 0.58 ± 3% -0.5 0.07 ± 9% perf-profile.self.cycles-pp.down_read_killable 0.76 ± 3% -0.5 0.28 ± 5% perf-profile.self.cycles-pp.clear_bhb_loop 0.50 ± 2% -0.5 0.04 ± 71% perf-profile.self.cycles-pp.__fput 0.77 ± 3% -0.5 0.31 ± 5% perf-profile.self.cycles-pp.proc_fill_cache 0.55 ± 6% -0.4 0.12 ± 10% perf-profile.self.cycles-pp.apparmor_file_permission 0.50 ± 2% -0.4 0.11 ± 6% perf-profile.self.cycles-pp.kernfs_fop_readdir 0.56 ± 2% -0.4 0.20 ± 5% perf-profile.self.cycles-pp.filldir 0.56 ± 2% -0.4 0.20 ± 6% perf-profile.self.cycles-pp.filldir64 0.38 ± 3% -0.3 0.12 ± 11% perf-profile.self.cycles-pp.inode_permission 0.31 ± 2% -0.2 0.09 ± 7% perf-profile.self.cycles-pp.__d_lookup_rcu 0.40 ± 21% -0.2 0.20 ± 7% perf-profile.self.cycles-pp.rb_next 0.31 ± 2% -0.2 0.12 ± 9% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.26 -0.2 0.10 ± 4% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.23 ± 2% -0.2 0.07 ± 5% perf-profile.self.cycles-pp.pid_delete_dentry 0.24 ± 3% -0.2 0.08 ± 8% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook 0.24 ± 3% -0.2 0.09 ± 7% perf-profile.self.cycles-pp.sync_regs 0.23 ± 2% -0.1 0.08 ± 5% perf-profile.self.cycles-pp.syscall 0.22 ± 2% -0.1 0.08 ± 5% perf-profile.self.cycles-pp.native_irq_return_iret 0.21 ± 2% -0.1 0.07 ± 10% perf-profile.self.cycles-pp.link_path_walk 0.21 ± 2% -0.1 0.08 ± 4% perf-profile.self.cycles-pp.__cond_resched 0.16 ± 3% -0.1 0.03 ± 70% perf-profile.self.cycles-pp.d_alloc_parallel 0.18 ± 4% -0.1 0.07 ± 7% perf-profile.self.cycles-pp.__fdget_pos 0.18 ± 3% -0.1 0.06 ± 7% perf-profile.self.cycles-pp.stress_getdents_dir 0.18 ± 3% -0.1 0.07 ± 7% perf-profile.self.cycles-pp.kmem_cache_free 0.17 ± 2% -0.1 0.06 ± 6% perf-profile.self.cycles-pp.stress_getdents64_dir 0.17 ± 4% -0.1 0.06 ± 6% perf-profile.self.cycles-pp.strlcat 0.14 ± 5% -0.1 0.03 ± 70% perf-profile.self.cycles-pp.step_into 0.17 ± 4% -0.1 0.06 ± 7% perf-profile.self.cycles-pp.clear_page_erms 0.16 ± 2% -0.1 0.06 ± 8% perf-profile.self.cycles-pp.memchr 0.16 ± 3% -0.1 0.06 ± 7% perf-profile.self.cycles-pp.mod_objcg_state 0.15 ± 2% -0.1 0.05 ± 7% perf-profile.self.cycles-pp.do_syscall_64 0.17 ± 2% -0.1 0.08 ± 6% perf-profile.self.cycles-pp.rcu_cblist_dequeue 0.12 ± 3% -0.1 0.04 ± 71% perf-profile.self.cycles-pp.inode_init_always 0.14 ± 3% -0.1 0.06 ± 11% perf-profile.self.cycles-pp.generic_permission 0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.get_jiffies_update 0.24 ± 3% +0.2 0.44 ± 4% perf-profile.self.cycles-pp.putname 2.66 ± 3% +4.1 6.77 ± 9% perf-profile.self.cycles-pp.lockref_put_return 0.85 ± 5% +5.7 6.58 ± 8% perf-profile.self.cycles-pp.lockref_get_not_dead 4.08 ± 14% +68.0 72.04 ± 3% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath *************************************************************************************************** lkp-icl-2sp8: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory ========================================================================================= compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-13/performance/1HDD/xfs/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp8/getdent/stress-ng/60s commit: 267574dee6 ("bcachefs: remove now spurious i_state initialization") d042dae6ad ("lockref: speculatively spin waiting for the lock to be released") 267574dee6ae0da6 d042dae6ad74df8a00ee8a3c6b7 ---------------- --------------------------- %stddev %change %stddev \ | \ 2.64 ± 5% -38.8% 1.61 ± 9% iostat.cpu.user 259963 ± 10% -15.4% 219891 ± 9% meminfo.Active 259835 ± 10% -15.4% 219763 ± 9% meminfo.Active(anon) 0.96 ± 4% -0.6 0.38 ± 15% mpstat.cpu.all.soft% 2.70 ± 5% -1.1 1.65 ± 9% mpstat.cpu.all.usr% 211.08 ± 9% -41.0% 124.64 ± 31% sched_debug.cfs_rq:/.load_avg.avg 3860 ± 24% -34.1% 2545 ± 4% sched_debug.cpu.avg_idle.min 49162966 -57.6% 20842987 ± 11% numa-numastat.node0.local_node 49203248 -57.6% 20885029 ± 11% numa-numastat.node0.numa_hit 39549538 -50.2% 19693291 ± 9% numa-numastat.node1.local_node 39591591 -50.2% 19718716 ± 8% numa-numastat.node1.numa_hit 49261289 -57.6% 20866465 ± 11% numa-vmstat.node0.numa_hit 49221006 -57.7% 20824423 ± 11% numa-vmstat.node0.numa_local 39661116 -50.3% 19702525 ± 9% numa-vmstat.node1.numa_hit 39619062 -50.3% 19677100 ± 9% numa-vmstat.node1.numa_local 12372 ± 3% -45.1% 6789 ± 12% perf-c2c.DRAM.local 36077 ± 2% -45.0% 19825 ± 9% perf-c2c.DRAM.remote 32989 ± 2% -30.5% 22935 ± 11% perf-c2c.HITM.local 17205 ± 2% -46.6% 9182 ± 10% perf-c2c.HITM.remote 50194 ± 2% -36.0% 32118 ± 10% perf-c2c.HITM.total 88807242 -54.3% 40604534 ± 10% proc-vmstat.numa_hit 88724762 -54.3% 40537067 ± 10% proc-vmstat.numa_local 130416 ± 7% +21.3% 158188 ± 3% proc-vmstat.pgactivate 92701259 -54.7% 41954988 ± 11% proc-vmstat.pgalloc_normal 80544858 -54.2% 36859393 ± 10% proc-vmstat.pgfault 92449287 -54.9% 41735344 ± 11% proc-vmstat.pgfree 11060 -58.7% 4569 ± 22% stress-ng.getdent.nanosecs_per_getdents_call 1.135e+08 -54.6% 51568726 ± 10% stress-ng.getdent.ops 1891648 -54.6% 859477 ± 10% stress-ng.getdent.ops_per_sec 80355832 -54.5% 36564567 ± 10% stress-ng.time.minor_page_faults 3626 +2.1% 3702 stress-ng.time.system_time 80.35 -54.4% 36.65 ± 10% stress-ng.time.user_time 2.88 ± 2% -21.6% 2.25 ± 3% perf-stat.i.MPKI 1.202e+10 ± 5% -35.3% 7.773e+09 ± 7% perf-stat.i.branch-instructions 78049914 ± 4% -33.0% 52278904 ± 9% perf-stat.i.branch-misses 44.35 ± 3% -4.4 39.94 ± 4% perf-stat.i.cache-miss-rate% 1.629e+08 ± 5% -52.0% 78236809 ± 11% perf-stat.i.cache-misses 3.527e+08 ± 5% -45.8% 1.91e+08 ± 9% perf-stat.i.cache-references 3.78 ± 3% +75.9% 6.64 ± 3% perf-stat.i.cpi 299.98 ± 8% -28.2% 215.47 ± 15% perf-stat.i.cpu-migrations 1341 ± 2% +122.2% 2981 ± 3% perf-stat.i.cycles-between-cache-misses 5.574e+10 ± 5% -39.1% 3.397e+10 ± 8% perf-stat.i.instructions 0.29 ± 10% -39.7% 0.18 ± 16% perf-stat.i.ipc 39.56 ± 5% -52.9% 18.63 ± 12% perf-stat.i.metric.K/sec 1264058 ± 5% -53.0% 593585 ± 13% perf-stat.i.minor-faults 1264058 ± 5% -53.0% 593585 ± 13% perf-stat.i.page-faults 2.93 -21.4% 2.30 ± 2% perf-stat.overall.MPKI 46.18 -5.3 40.88 perf-stat.overall.cache-miss-rate% 3.85 +69.7% 6.53 ± 5% perf-stat.overall.cpi 1313 +116.3% 2842 ± 7% perf-stat.overall.cycles-between-cache-misses 0.26 -40.9% 0.15 ± 5% perf-stat.overall.ipc 1.184e+10 ± 5% -35.4% 7.645e+09 ± 7% perf-stat.ps.branch-instructions 76385602 ± 4% -33.2% 51045849 ± 9% perf-stat.ps.branch-misses 1.606e+08 ± 5% -52.0% 77029112 ± 10% perf-stat.ps.cache-misses 3.478e+08 ± 5% -45.9% 1.882e+08 ± 9% perf-stat.ps.cache-references 294.68 ± 8% -28.1% 211.78 ± 15% perf-stat.ps.cpu-migrations 5.487e+10 ± 5% -39.1% 3.34e+10 ± 8% perf-stat.ps.instructions 1246246 ± 5% -53.1% 584418 ± 12% perf-stat.ps.minor-faults 1246246 ± 5% -53.1% 584418 ± 12% perf-stat.ps.page-faults 3.532e+12 -40.9% 2.088e+12 ± 5% perf-stat.total.instructions 65.80 -56.9 8.86 ± 55% perf-profile.calltrace.cycles-pp.syscall 64.94 -56.4 8.52 ± 56% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall 64.88 -56.4 8.50 ± 56% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 32.57 -28.3 4.27 ± 57% perf-profile.calltrace.cycles-pp.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 32.08 -27.9 4.15 ± 57% perf-profile.calltrace.cycles-pp.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 31.94 -27.8 4.14 ± 57% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 31.65 -27.6 4.06 ± 57% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 14.11 ± 5% -13.0 1.12 ±122% perf-profile.calltrace.cycles-pp.eventfs_iterate.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe 14.06 ± 5% -12.9 1.13 ±122% perf-profile.calltrace.cycles-pp.eventfs_iterate.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe 13.38 ± 5% -12.3 1.04 ±124% perf-profile.calltrace.cycles-pp.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents64.do_syscall_64 13.34 ± 5% -12.3 1.05 ±124% perf-profile.calltrace.cycles-pp.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents.do_syscall_64 12.89 ± 5% -12.0 0.92 ±141% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents64 12.84 ± 5% -11.9 0.93 ±141% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents 6.49 ± 2% -5.9 0.57 ±117% perf-profile.calltrace.cycles-pp.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.48 ± 2% -5.9 0.57 ±117% perf-profile.calltrace.cycles-pp.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe 6.43 ± 2% -5.9 0.56 ±117% perf-profile.calltrace.cycles-pp.proc_readdir_de.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64 6.43 ± 2% -5.9 0.56 ±117% perf-profile.calltrace.cycles-pp.proc_readdir_de.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64 4.62 ± 3% -3.8 0.82 ± 44% perf-profile.calltrace.cycles-pp.lookup_open.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 4.80 ± 2% -3.8 1.03 ± 33% perf-profile.calltrace.cycles-pp.__close 4.54 ± 2% -3.6 0.93 ± 36% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close 4.52 ± 2% -3.6 0.92 ± 36% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 4.45 ± 2% -3.6 0.90 ± 36% perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 3.47 ± 3% -3.0 0.42 ±108% perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 3.78 ± 8% -2.9 0.84 ± 36% perf-profile.calltrace.cycles-pp.inode_permission.link_path_walk.path_openat.do_filp_open.do_sys_openat2 3.00 ± 4% -2.6 0.40 ±108% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 3.00 ± 10% -2.6 0.42 ±105% perf-profile.calltrace.cycles-pp.kernfs_iop_permission.inode_permission.link_path_walk.path_openat.do_filp_open 2.65 ± 2% -2.0 0.70 ± 25% perf-profile.calltrace.cycles-pp.brk 2.57 ± 2% -1.9 0.66 ± 26% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 2.58 ± 2% -1.9 0.66 ± 26% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.brk 2.54 ± 2% -1.9 0.65 ± 26% perf-profile.calltrace.cycles-pp.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk 2.04 -1.7 0.35 ±104% perf-profile.calltrace.cycles-pp.proc_fill_cache.proc_pident_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64 2.04 -1.7 0.35 ±104% perf-profile.calltrace.cycles-pp.proc_fill_cache.proc_pident_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64 2.05 ± 2% -1.6 0.44 ± 75% perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault 2.04 ± 2% -1.6 0.43 ± 75% perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 2.13 -1.6 0.53 ± 52% perf-profile.calltrace.cycles-pp.proc_pident_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.28 ± 2% -1.6 0.68 ± 23% perf-profile.calltrace.cycles-pp.asm_exc_page_fault 2.14 -1.5 0.62 ± 24% perf-profile.calltrace.cycles-pp.proc_pident_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +1.8 1.78 ± 6% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.walk_component 0.00 +1.8 1.78 ± 6% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.walk_component.link_path_walk 0.00 +1.8 1.78 ± 6% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.walk_component.link_path_walk.path_openat 4.32 ± 3% +2.0 6.30 ± 3% perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_openat.do_filp_open.do_sys_openat2 3.04 ± 5% +3.0 6.06 ± 3% perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_openat.do_filp_open 0.00 +3.2 3.20 ± 13% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next 0.00 +3.2 3.23 ± 13% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next.lookup_fast 0.00 +3.7 3.69 ± 9% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy_next.lookup_fast.walk_component.link_path_walk 0.00 +3.7 3.69 ± 9% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next.lookup_fast.walk_component 0.00 +3.7 3.70 ± 9% perf-profile.calltrace.cycles-pp.try_to_unlazy_next.lookup_fast.walk_component.link_path_walk.path_openat 0.69 ± 4% +5.3 6.01 ± 8% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_openat.do_filp_open 6.20 ± 2% +9.8 16.04 ± 4% perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 1.29 ± 3% +13.7 15.03 ± 6% perf-profile.calltrace.cycles-pp.lookup_fast.open_last_lookups.path_openat.do_filp_open.do_sys_openat2 0.00 +13.8 13.76 ± 6% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast 0.00 +14.3 14.31 ± 6% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups 0.00 +14.3 14.32 ± 6% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups.path_openat 0.00 +14.3 14.32 ± 6% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.open_last_lookups.path_openat.do_filp_open 0.00 +18.0 18.04 ± 11% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk 9.60 ± 4% +19.0 28.56 ± 6% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 0.28 ±100% +20.8 21.12 ± 10% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.link_path_walk.path_openat.do_filp_open 0.28 ±100% +20.8 21.13 ± 10% perf-profile.calltrace.cycles-pp.try_to_unlazy.link_path_walk.path_openat.do_filp_open.do_sys_openat2 0.00 +21.1 21.11 ± 10% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk.path_openat 0.00 +31.5 31.52 ± 8% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy 0.00 +34.7 34.71 ± 8% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.terminate_walk.path_openat 0.00 +35.0 35.01 ± 8% perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.terminate_walk.path_openat.do_filp_open 0.88 ± 9% +40.2 41.12 ± 8% perf-profile.calltrace.cycles-pp.terminate_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 0.84 ± 9% +40.3 41.10 ± 8% perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_openat.do_filp_open.do_sys_openat2 22.55 ± 2% +65.0 87.59 ± 6% perf-profile.calltrace.cycles-pp.open64 22.25 ± 2% +65.2 87.48 ± 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64 22.23 ± 2% +65.2 87.47 ± 6% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 22.15 ± 2% +65.3 87.43 ± 6% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 22.12 ± 2% +65.3 87.42 ± 6% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 21.24 ± 2% +65.5 86.76 ± 6% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 21.18 ± 2% +65.6 86.74 ± 6% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64 65.96 -57.0 8.93 ± 54% perf-profile.children.cycles-pp.syscall 63.61 -55.4 8.21 ± 57% perf-profile.children.cycles-pp.iterate_dir 32.58 -28.3 4.27 ± 57% perf-profile.children.cycles-pp.__x64_sys_getdents 32.09 -27.9 4.15 ± 57% perf-profile.children.cycles-pp.__x64_sys_getdents64 28.19 ± 5% -25.8 2.34 ±114% perf-profile.children.cycles-pp.eventfs_iterate 26.72 ± 5% -24.6 2.08 ±124% perf-profile.children.cycles-pp.__mutex_lock 25.74 ± 5% -23.7 2.00 ±125% perf-profile.children.cycles-pp.osq_lock 20.36 ± 2% -18.0 2.37 ± 66% perf-profile.children.cycles-pp.proc_readdir_de 12.96 ± 2% -11.4 1.60 ± 61% perf-profile.children.cycles-pp.proc_tgid_net_readdir 10.60 ± 3% -9.6 1.02 ± 80% perf-profile.children.cycles-pp._raw_read_lock 5.88 ± 6% -4.9 1.02 ± 48% perf-profile.children.cycles-pp.kernfs_fop_readdir 5.85 ± 7% -4.7 1.16 ± 42% perf-profile.children.cycles-pp.down_read 5.15 ± 5% -4.5 0.68 ± 67% perf-profile.children.cycles-pp.up_read 5.68 -4.0 1.68 ± 24% perf-profile.children.cycles-pp.proc_fill_cache 4.62 ± 3% -3.8 0.82 ± 44% perf-profile.children.cycles-pp.lookup_open 4.85 ± 2% -3.8 1.05 ± 33% perf-profile.children.cycles-pp.__close 4.42 ± 4% -3.7 0.68 ± 52% perf-profile.children.cycles-pp.proc_lookup_de 4.32 ± 3% -3.6 0.68 ± 51% perf-profile.children.cycles-pp.proc_tgid_net_lookup 4.46 ± 2% -3.6 0.90 ± 36% perf-profile.children.cycles-pp.__x64_sys_close 4.43 ± 8% -3.5 0.96 ± 37% perf-profile.children.cycles-pp.inode_permission 4.28 -3.0 1.23 ± 25% perf-profile.children.cycles-pp.proc_pident_readdir 3.48 ± 3% -2.8 0.66 ± 39% perf-profile.children.cycles-pp.__fput 3.98 ± 2% -2.8 1.18 ± 24% perf-profile.children.cycles-pp.__d_lookup 3.44 ± 10% -2.7 0.70 ± 41% perf-profile.children.cycles-pp.kernfs_iop_permission 3.01 ± 4% -2.4 0.60 ± 40% perf-profile.children.cycles-pp.do_open 3.09 -2.1 0.95 ± 23% perf-profile.children.cycles-pp.d_hash_and_lookup 2.46 ± 7% -2.1 0.33 ± 64% perf-profile.children.cycles-pp.kernfs_dop_revalidate 2.66 ± 2% -2.0 0.70 ± 25% perf-profile.children.cycles-pp.brk 2.55 ± 2% -1.9 0.65 ± 26% perf-profile.children.cycles-pp.__do_sys_brk 2.18 ± 4% -1.8 0.40 ± 40% perf-profile.children.cycles-pp.__dentry_kill 2.18 ± 6% -1.8 0.41 ± 45% perf-profile.children.cycles-pp.proc_get_inode 2.47 ± 2% -1.7 0.74 ± 23% perf-profile.children.cycles-pp.asm_exc_page_fault 2.12 ± 6% -1.7 0.40 ± 46% perf-profile.children.cycles-pp.new_inode 1.94 ± 4% -1.6 0.37 ± 44% perf-profile.children.cycles-pp.do_dentry_open 2.19 ± 2% -1.6 0.63 ± 24% perf-profile.children.cycles-pp.exc_page_fault 2.18 ± 2% -1.6 0.62 ± 24% perf-profile.children.cycles-pp.do_user_addr_fault 1.98 ± 2% -1.5 0.48 ± 27% perf-profile.children.cycles-pp.do_vmi_align_munmap 1.49 ± 6% -1.3 0.21 ± 58% perf-profile.children.cycles-pp.evict 1.76 ± 2% -1.2 0.52 ± 24% perf-profile.children.cycles-pp.handle_mm_fault 1.56 ± 3% -1.2 0.35 ± 31% perf-profile.children.cycles-pp.unmap_region 1.63 ± 2% -1.2 0.47 ± 24% perf-profile.children.cycles-pp.__handle_mm_fault 1.50 ± 2% -1.1 0.42 ± 25% perf-profile.children.cycles-pp.do_anonymous_page 1.16 ± 7% -1.0 0.20 ± 53% perf-profile.children.cycles-pp.security_file_open 1.16 ± 7% -1.0 0.20 ± 57% perf-profile.children.cycles-pp.apparmor_file_open 1.21 ± 3% -1.0 0.25 ± 35% perf-profile.children.cycles-pp.__lookup_slow 1.26 ± 3% -0.9 0.35 ± 28% perf-profile.children.cycles-pp.alloc_empty_file 1.20 -0.8 0.42 ± 20% perf-profile.children.cycles-pp.handle_softirqs 1.20 -0.8 0.41 ± 21% perf-profile.children.cycles-pp.rcu_core 1.19 -0.8 0.41 ± 21% perf-profile.children.cycles-pp.rcu_do_batch 0.85 ± 2% -0.8 0.07 ±112% perf-profile.children.cycles-pp.mutex_unlock 0.86 ± 2% -0.7 0.12 ± 55% perf-profile.children.cycles-pp.mutex_lock 0.96 ± 5% -0.7 0.23 ± 34% perf-profile.children.cycles-pp.init_file 1.07 -0.7 0.36 ± 20% perf-profile.children.cycles-pp.kmem_cache_free 0.90 ± 3% -0.6 0.28 ± 24% perf-profile.children.cycles-pp.step_into 0.83 ± 6% -0.6 0.21 ± 34% perf-profile.children.cycles-pp.security_file_alloc 0.75 ± 6% -0.6 0.17 ± 38% perf-profile.children.cycles-pp.apparmor_file_alloc_security 0.85 ± 2% -0.6 0.28 ± 21% perf-profile.children.cycles-pp.proc_map_files_readdir 1.12 ± 2% -0.6 0.55 ± 9% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 1.10 ± 2% -0.6 0.54 ± 10% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.68 ± 2% -0.6 0.12 ± 51% perf-profile.children.cycles-pp.pde_put 0.83 ± 3% -0.6 0.27 ± 20% perf-profile.children.cycles-pp.irq_exit_rcu 0.70 ± 7% -0.6 0.14 ± 41% perf-profile.children.cycles-pp.may_open 0.79 ± 3% -0.5 0.26 ± 20% perf-profile.children.cycles-pp.alloc_anon_folio 0.72 ± 2% -0.5 0.21 ± 26% perf-profile.children.cycles-pp.proc_ns_dir_readdir 0.71 ± 2% -0.5 0.21 ± 21% perf-profile.children.cycles-pp.proc_readfd_common 0.65 ± 2% -0.5 0.15 ± 32% perf-profile.children.cycles-pp.tlb_finish_mmu 0.62 ± 3% -0.5 0.13 ± 35% perf-profile.children.cycles-pp.folios_put_refs 0.65 ± 9% -0.5 0.16 ± 33% perf-profile.children.cycles-pp.security_file_permission 0.63 ± 9% -0.5 0.15 ± 33% perf-profile.children.cycles-pp.apparmor_file_permission 0.60 -0.5 0.12 ± 36% perf-profile.children.cycles-pp.__fdget_pos 0.58 ± 2% -0.5 0.13 ± 33% perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 0.58 ± 3% -0.5 0.13 ± 34% perf-profile.children.cycles-pp.free_pages_and_swap_cache 0.72 -0.4 0.28 ± 16% perf-profile.children.cycles-pp.filldir 0.52 ± 2% -0.4 0.08 ± 49% perf-profile.children.cycles-pp.d_splice_alias 0.70 ± 2% -0.4 0.27 ± 16% perf-profile.children.cycles-pp.filldir64 0.71 ± 2% -0.4 0.29 ± 15% perf-profile.children.cycles-pp.clear_bhb_loop 0.57 ± 5% -0.4 0.15 ± 31% perf-profile.children.cycles-pp.security_file_free 0.59 -0.4 0.17 ± 26% perf-profile.children.cycles-pp.__slab_free 0.56 ± 5% -0.4 0.15 ± 31% perf-profile.children.cycles-pp.apparmor_file_free_security 0.68 -0.4 0.27 ± 16% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 0.66 ± 2% -0.4 0.25 ± 20% perf-profile.children.cycles-pp.alloc_inode 0.48 ± 2% -0.4 0.09 ± 36% perf-profile.children.cycles-pp.folio_batch_move_lru 0.48 -0.4 0.10 ± 38% perf-profile.children.cycles-pp.down_read_killable 0.47 ± 3% -0.4 0.09 ± 40% perf-profile.children.cycles-pp.fsnotify_grab_connector 0.46 ± 3% -0.4 0.08 ± 35% perf-profile.children.cycles-pp.lru_add_drain 0.46 ± 3% -0.4 0.08 ± 35% perf-profile.children.cycles-pp.lru_add_drain_cpu 0.48 ± 3% -0.4 0.12 ± 27% perf-profile.children.cycles-pp.filp_flush 0.44 ± 2% -0.4 0.08 ± 46% perf-profile.children.cycles-pp.kernfs_dir_pos 0.50 ± 2% -0.3 0.16 ± 20% perf-profile.children.cycles-pp.vma_alloc_folio_noprof 0.49 ± 3% -0.3 0.16 ± 22% perf-profile.children.cycles-pp.alloc_pages_mpol_noprof 0.58 -0.3 0.25 ± 15% perf-profile.children.cycles-pp.d_alloc_parallel 0.41 ± 3% -0.3 0.09 ± 32% perf-profile.children.cycles-pp.dnotify_flush 0.46 ± 3% -0.3 0.15 ± 20% perf-profile.children.cycles-pp.__alloc_pages_noprof 0.48 ± 3% -0.3 0.16 ± 23% perf-profile.children.cycles-pp.kmem_cache_alloc_lru_noprof 0.39 ± 3% -0.3 0.08 ± 36% perf-profile.children.cycles-pp.fsnotify_find_mark 0.39 ± 2% -0.3 0.10 ± 25% perf-profile.children.cycles-pp.unmap_vmas 0.38 ± 2% -0.3 0.10 ± 25% perf-profile.children.cycles-pp.unmap_page_range 0.38 ± 2% -0.3 0.10 ± 25% perf-profile.children.cycles-pp.zap_pmd_range 0.40 ± 3% -0.3 0.12 ± 20% perf-profile.children.cycles-pp.do_brk_flags 0.37 ± 2% -0.3 0.10 ± 27% perf-profile.children.cycles-pp.zap_pte_range 0.38 ± 2% -0.3 0.12 ± 22% perf-profile.children.cycles-pp.get_page_from_freelist 0.43 -0.3 0.17 ± 15% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 0.41 ± 6% -0.2 0.16 ± 25% perf-profile.children.cycles-pp.kthread 0.41 ± 6% -0.2 0.16 ± 25% perf-profile.children.cycles-pp.ret_from_fork 0.41 ± 6% -0.2 0.16 ± 25% perf-profile.children.cycles-pp.ret_from_fork_asm 0.38 ± 7% -0.2 0.14 ± 27% perf-profile.children.cycles-pp.run_ksoftirqd 0.42 ± 2% -0.2 0.19 ± 15% perf-profile.children.cycles-pp.d_alloc 0.38 ± 7% -0.2 0.15 ± 27% perf-profile.children.cycles-pp.smpboot_thread_fn 0.30 ± 2% -0.2 0.07 ± 26% perf-profile.children.cycles-pp.zap_present_ptes 0.38 ± 2% -0.2 0.15 ± 15% perf-profile.children.cycles-pp.__cond_resched 0.30 ± 3% -0.2 0.08 ± 31% perf-profile.children.cycles-pp.inode_wait_for_writeback 0.37 ± 2% -0.2 0.14 ± 16% perf-profile.children.cycles-pp.entry_SYSCALL_64 0.28 ± 2% -0.2 0.06 ± 27% perf-profile.children.cycles-pp.__call_rcu_common 0.30 ± 5% -0.2 0.10 ± 26% perf-profile.children.cycles-pp.proc_alloc_inode 0.35 ± 4% -0.2 0.15 ± 22% perf-profile.children.cycles-pp.inode_init_always 0.26 ± 8% -0.2 0.05 ± 76% perf-profile.children.cycles-pp.___slab_alloc 0.28 ± 2% -0.2 0.09 ± 21% perf-profile.children.cycles-pp.__d_lookup_rcu 0.27 -0.2 0.08 ± 20% perf-profile.children.cycles-pp.__split_vma 0.24 ± 2% -0.2 0.06 ± 27% perf-profile.children.cycles-pp.lockref_get 0.31 ± 3% -0.2 0.13 ± 15% perf-profile.children.cycles-pp.getname_flags 0.23 ± 7% -0.2 0.06 ± 54% perf-profile.children.cycles-pp.security_file_post_open 0.26 ± 4% -0.2 0.09 ± 20% perf-profile.children.cycles-pp.__mem_cgroup_charge 0.37 ± 2% -0.2 0.20 ± 15% perf-profile.children.cycles-pp.rb_next 0.22 ± 7% -0.2 0.05 ± 51% perf-profile.children.cycles-pp.ima_file_check 0.28 ± 2% -0.2 0.12 ± 14% perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.26 ± 3% -0.2 0.10 ± 15% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.22 ± 3% -0.1 0.07 ± 26% perf-profile.children.cycles-pp.pid_delete_dentry 0.18 ± 2% -0.1 0.04 ± 75% perf-profile.children.cycles-pp.proc_free_inode 0.18 ± 2% -0.1 0.04 ± 72% perf-profile.children.cycles-pp.task_lookup_next_fdget_rcu 0.22 ± 3% -0.1 0.09 ± 15% perf-profile.children.cycles-pp.sync_regs 0.17 ± 2% -0.1 0.04 ± 73% perf-profile.children.cycles-pp.path_init 0.21 ± 2% -0.1 0.08 ± 19% perf-profile.children.cycles-pp.__d_alloc 0.22 ± 5% -0.1 0.09 ± 15% perf-profile.children.cycles-pp.strncpy_from_user 0.20 ± 3% -0.1 0.08 ± 17% perf-profile.children.cycles-pp.verify_dirent_name 0.20 ± 2% -0.1 0.09 ± 15% perf-profile.children.cycles-pp.native_irq_return_iret 0.19 ± 3% -0.1 0.08 ± 14% perf-profile.children.cycles-pp.mod_objcg_state 0.19 ± 5% -0.1 0.08 ± 17% perf-profile.children.cycles-pp.pid_revalidate 0.18 ± 4% -0.1 0.07 ± 14% perf-profile.children.cycles-pp.stress_getdents_dir 0.18 ± 2% -0.1 0.07 ± 16% perf-profile.children.cycles-pp.stress_getdents64_dir 0.17 ± 4% -0.1 0.06 ± 19% perf-profile.children.cycles-pp.mas_wr_store_entry 0.15 ± 3% -0.1 0.05 ± 47% perf-profile.children.cycles-pp.perf_event_mmap 0.17 ± 2% -0.1 0.07 ± 17% perf-profile.children.cycles-pp.strlcat 0.18 ± 4% -0.1 0.07 ± 24% perf-profile.children.cycles-pp.security_inode_alloc 0.16 ± 3% -0.1 0.06 ± 11% perf-profile.children.cycles-pp.snprintf 0.14 ± 3% -0.1 0.05 ± 47% perf-profile.children.cycles-pp.perf_event_mmap_event 0.16 ± 3% -0.1 0.06 ± 19% perf-profile.children.cycles-pp.rcu_all_qs 0.16 ± 3% -0.1 0.06 ± 11% perf-profile.children.cycles-pp.vsnprintf 0.17 ± 2% -0.1 0.08 ± 16% perf-profile.children.cycles-pp.rcu_cblist_dequeue 0.15 ± 3% -0.1 0.06 ± 20% perf-profile.children.cycles-pp.syscall_exit_to_user_mode 0.16 ± 3% -0.1 0.07 ± 14% perf-profile.children.cycles-pp.memchr 0.15 ± 4% -0.1 0.06 ± 15% perf-profile.children.cycles-pp.__lruvec_stat_mod_folio 0.15 ± 3% -0.1 0.06 ± 14% perf-profile.children.cycles-pp.clear_page_erms 0.14 ± 3% -0.1 0.05 ± 47% perf-profile.children.cycles-pp.__perf_sw_event 0.14 ± 3% -0.1 0.06 ± 19% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state 0.16 ± 5% -0.1 0.08 ± 13% perf-profile.children.cycles-pp.generic_permission 0.12 ± 4% -0.1 0.05 ± 8% perf-profile.children.cycles-pp.__check_object_size 0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.__do_sys_newfstatat 0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.filename_lookup 0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.path_lookupat 0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.vfs_fstatat 0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.vfs_statx 0.18 ± 3% +0.2 0.42 ± 5% perf-profile.children.cycles-pp.putname 4.34 ± 2% +2.1 6.47 ± 3% perf-profile.children.cycles-pp.walk_component 94.42 +3.6 98.01 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 94.33 +3.6 97.98 perf-profile.children.cycles-pp.do_syscall_64 0.09 ± 11% +4.1 4.16 ± 9% perf-profile.children.cycles-pp.try_to_unlazy_next 2.07 ± 2% +4.2 6.25 ± 7% perf-profile.children.cycles-pp.lockref_put_return 6.21 ± 2% +9.8 16.05 ± 4% perf-profile.children.cycles-pp.open_last_lookups 4.35 ± 4% +16.9 21.22 ± 5% perf-profile.children.cycles-pp.lookup_fast 9.63 ± 4% +19.1 28.76 ± 6% perf-profile.children.cycles-pp.link_path_walk 1.03 ± 8% +36.3 37.38 ± 8% perf-profile.children.cycles-pp.try_to_unlazy 5.34 ± 2% +36.7 42.07 ± 7% perf-profile.children.cycles-pp.dput 0.89 ± 9% +40.4 41.25 ± 8% perf-profile.children.cycles-pp.terminate_walk 1.06 ± 9% +40.5 41.52 ± 8% perf-profile.children.cycles-pp.__legitimize_path 0.83 ± 12% +40.7 41.48 ± 8% perf-profile.children.cycles-pp.lockref_get_not_dead 7.22 ± 2% +64.5 71.72 ± 8% perf-profile.children.cycles-pp._raw_spin_lock 22.60 ± 2% +65.0 87.62 ± 6% perf-profile.children.cycles-pp.open64 22.17 ± 2% +65.5 87.72 ± 6% perf-profile.children.cycles-pp.__x64_sys_openat 22.15 ± 2% +65.6 87.71 ± 6% perf-profile.children.cycles-pp.do_sys_openat2 21.26 ± 2% +65.8 87.05 ± 6% perf-profile.children.cycles-pp.do_filp_open 21.20 ± 2% +65.8 87.03 ± 6% perf-profile.children.cycles-pp.path_openat 2.92 ± 5% +67.4 70.29 ± 8% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 25.58 ± 5% -23.6 1.99 ±125% perf-profile.self.cycles-pp.osq_lock 10.46 ± 3% -9.5 1.00 ± 80% perf-profile.self.cycles-pp._raw_read_lock 9.26 ± 2% -8.2 1.03 ± 68% perf-profile.self.cycles-pp.proc_readdir_de 5.77 ± 7% -4.6 1.13 ± 43% perf-profile.self.cycles-pp.down_read 5.11 ± 6% -4.4 0.67 ± 68% perf-profile.self.cycles-pp.up_read 4.42 -3.0 1.43 ± 18% perf-profile.self.cycles-pp._raw_spin_lock 2.05 ± 2% -1.3 0.78 ± 20% perf-profile.self.cycles-pp.__d_lookup 1.11 ± 2% -1.0 0.12 ± 65% perf-profile.self.cycles-pp.proc_lookup_de 1.14 ± 7% -0.9 0.19 ± 56% perf-profile.self.cycles-pp.apparmor_file_open 0.84 ± 2% -0.8 0.07 ±115% perf-profile.self.cycles-pp.mutex_unlock 0.80 ± 2% -0.7 0.10 ± 60% perf-profile.self.cycles-pp.mutex_lock 0.73 ± 6% -0.6 0.17 ± 38% perf-profile.self.cycles-pp.apparmor_file_alloc_security 0.66 ± 2% -0.5 0.12 ± 48% perf-profile.self.cycles-pp.pde_put 0.76 ± 5% -0.5 0.31 ± 19% perf-profile.self.cycles-pp.proc_fill_cache 0.59 ± 10% -0.4 0.14 ± 35% perf-profile.self.cycles-pp.apparmor_file_permission 0.70 ± 2% -0.4 0.29 ± 15% perf-profile.self.cycles-pp.clear_bhb_loop 0.58 -0.4 0.17 ± 25% perf-profile.self.cycles-pp.__slab_free 0.55 ± 5% -0.4 0.15 ± 31% perf-profile.self.cycles-pp.apparmor_file_free_security 0.47 -0.4 0.08 ± 38% perf-profile.self.cycles-pp.do_dentry_open 0.45 -0.4 0.08 ± 41% perf-profile.self.cycles-pp.down_read_killable 0.39 ± 2% -0.3 0.06 ± 60% perf-profile.self.cycles-pp.__fput 0.53 -0.3 0.21 ± 16% perf-profile.self.cycles-pp.filldir 0.52 ± 2% -0.3 0.21 ± 16% perf-profile.self.cycles-pp.filldir64 0.38 ± 4% -0.3 0.12 ± 22% perf-profile.self.cycles-pp.kernfs_fop_readdir 0.37 ± 3% -0.2 0.14 ± 17% perf-profile.self.cycles-pp.inode_permission 0.27 ± 2% -0.2 0.09 ± 20% perf-profile.self.cycles-pp.__d_lookup_rcu 0.29 ± 2% -0.2 0.12 ± 16% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.35 ± 3% -0.2 0.20 ± 15% perf-profile.self.cycles-pp.rb_next 0.25 ± 2% -0.2 0.10 ± 16% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.21 ± 3% -0.1 0.07 ± 24% perf-profile.self.cycles-pp.pid_delete_dentry 0.22 ± 2% -0.1 0.08 ± 16% perf-profile.self.cycles-pp.syscall 0.22 ± 3% -0.1 0.09 ± 15% perf-profile.self.cycles-pp.sync_regs 0.21 ± 3% -0.1 0.08 ± 17% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook 0.20 -0.1 0.08 ± 14% perf-profile.self.cycles-pp.__cond_resched 0.20 ± 2% -0.1 0.09 ± 15% perf-profile.self.cycles-pp.native_irq_return_iret 0.19 ± 3% -0.1 0.08 ± 16% perf-profile.self.cycles-pp.link_path_walk 0.17 ± 2% -0.1 0.07 ± 17% perf-profile.self.cycles-pp.__fdget_pos 0.14 ± 4% -0.1 0.04 ± 72% perf-profile.self.cycles-pp.do_syscall_64 0.17 ± 5% -0.1 0.07 ± 16% perf-profile.self.cycles-pp.kmem_cache_free 0.13 ± 5% -0.1 0.03 ±100% perf-profile.self.cycles-pp.step_into 0.16 ± 4% -0.1 0.06 ± 14% perf-profile.self.cycles-pp.stress_getdents_dir 0.16 ± 2% -0.1 0.06 ± 11% perf-profile.self.cycles-pp.strlcat 0.16 ± 2% -0.1 0.06 ± 14% perf-profile.self.cycles-pp.stress_getdents64_dir 0.16 ± 3% -0.1 0.06 ± 14% perf-profile.self.cycles-pp.mod_objcg_state 0.17 ± 4% -0.1 0.08 ± 16% perf-profile.self.cycles-pp.rcu_cblist_dequeue 0.12 ± 4% -0.1 0.03 ±100% perf-profile.self.cycles-pp.rcu_all_qs 0.15 ± 3% -0.1 0.06 ± 19% perf-profile.self.cycles-pp.memchr 0.12 ± 4% -0.1 0.03 ±102% perf-profile.self.cycles-pp.inode_init_always 0.14 ± 3% -0.1 0.06 ± 17% perf-profile.self.cycles-pp.clear_page_erms 0.09 ± 7% -0.1 0.02 ± 99% perf-profile.self.cycles-pp.pid_revalidate 0.13 ± 5% -0.1 0.06 ± 14% perf-profile.self.cycles-pp.generic_permission 0.11 ± 3% +0.0 0.12 ± 3% perf-profile.self.cycles-pp.dput 0.18 ± 2% +0.2 0.42 ± 5% perf-profile.self.cycles-pp.putname 2.04 ± 2% +4.2 6.21 ± 7% perf-profile.self.cycles-pp.lockref_put_return 0.66 ± 4% +5.4 6.01 ± 8% perf-profile.self.cycles-pp.lockref_get_not_dead 2.81 ± 5% +67.1 69.92 ± 8% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath *************************************************************************************************** lkp-icl-2sp8: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory ========================================================================================= compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-13/performance/1HDD/btrfs/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp8/handle/stress-ng/60s commit: 267574dee6 ("bcachefs: remove now spurious i_state initialization") d042dae6ad ("lockref: speculatively spin waiting for the lock to be released") 267574dee6ae0da6 d042dae6ad74df8a00ee8a3c6b7 ---------------- --------------------------- %stddev %change %stddev \ | \ 1.08 ± 4% -10.1% 0.97 ± 2% iostat.cpu.user 1.10 ± 4% -0.1 0.99 ± 2% mpstat.cpu.all.usr% 286411 ± 7% -12.1% 251734 ± 4% numa-numastat.node1.local_node 285093 ± 6% -12.0% 250827 ± 4% numa-vmstat.node1.numa_local 2980 ± 7% -19.8% 2391 ± 4% vmstat.system.cs 162616 -2.6% 158340 vmstat.system.in 84179 -3.0% 81690 proc-vmstat.nr_shmem 486339 -1.7% 478110 proc-vmstat.numa_hit 420032 -2.0% 411796 proc-vmstat.numa_local 10880229 ± 2% -60.2% 4332475 ± 13% stress-ng.handle.ops 181335 ± 2% -60.2% 72206 ± 13% stress-ng.handle.ops_per_sec 75993 ± 9% -28.7% 54148 ± 9% stress-ng.time.involuntary_context_switches 455.17 ± 9% +61.9% 737.00 ± 10% perf-c2c.DRAM.local 31509 ± 2% -36.9% 19892 ± 2% perf-c2c.DRAM.remote 39333 ± 2% -24.9% 29523 ± 2% perf-c2c.HITM.local 25890 ± 2% -45.5% 14112 ± 3% perf-c2c.HITM.remote 65223 ± 2% -33.1% 43635 ± 2% perf-c2c.HITM.total 5043 ± 31% -57.9% 2123 ± 25% sched_debug.cfs_rq:/.load_avg.max 1423 ± 38% -51.9% 683.87 ± 30% sched_debug.cfs_rq:/.load_avg.stddev 45.04 ± 17% -47.5% 23.63 ± 41% sched_debug.cfs_rq:/.removed.load_avg.avg 141.61 ± 8% -28.5% 101.19 ± 22% sched_debug.cfs_rq:/.removed.load_avg.stddev 1399 ± 8% -15.2% 1186 ± 4% sched_debug.cfs_rq:/.runnable_avg.max 1269 ± 4% -12.2% 1114 ± 4% sched_debug.cfs_rq:/.util_avg.max 1.30 -23.4% 1.00 ± 2% perf-stat.i.MPKI 5.757e+09 -17.7% 4.736e+09 perf-stat.i.branch-instructions 0.65 ± 3% +0.1 0.70 perf-stat.i.branch-miss-rate% 38695005 ± 3% -7.7% 35708627 perf-stat.i.branch-misses 38.60 -9.7 28.94 perf-stat.i.cache-miss-rate% 31607382 -38.6% 19404517 perf-stat.i.cache-misses 82723252 -17.5% 68236401 perf-stat.i.cache-references 2935 ± 7% -20.5% 2332 ± 5% perf-stat.i.context-switches 9.32 +25.5% 11.70 perf-stat.i.cpi 7126 +64.0% 11684 perf-stat.i.cycles-between-cache-misses 2.442e+10 -19.3% 1.97e+10 perf-stat.i.instructions 0.12 -19.0% 0.10 ± 2% perf-stat.i.ipc 1.30 -23.8% 0.99 ± 2% perf-stat.overall.MPKI 0.66 ± 3% +0.1 0.74 perf-stat.overall.branch-miss-rate% 38.06 -9.8 28.29 perf-stat.overall.cache-miss-rate% 9.27 +24.2% 11.51 perf-stat.overall.cpi 7157 +63.0% 11670 perf-stat.overall.cycles-between-cache-misses 0.11 -19.4% 0.09 perf-stat.overall.ipc 5.645e+09 -17.7% 4.643e+09 perf-stat.ps.branch-instructions 37338101 ± 3% -7.7% 34453073 perf-stat.ps.branch-misses 31016005 -38.6% 19050425 perf-stat.ps.cache-misses 81505741 -17.4% 67356950 perf-stat.ps.cache-references 2878 ± 8% -20.9% 2275 ± 5% perf-stat.ps.context-switches 2.394e+10 -19.3% 1.931e+10 perf-stat.ps.instructions 1.469e+12 -19.6% 1.182e+12 perf-stat.total.instructions 70.47 -11.9 58.54 perf-profile.calltrace.cycles-pp.handle_to_path.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.open_by_handle_at 67.22 -11.7 55.47 perf-profile.calltrace.cycles-pp._raw_spin_lock.ilookup5_nowait.ilookup5.shmem_fh_to_dentry.exportfs_decode_fh_raw 70.16 -11.7 58.44 perf-profile.calltrace.cycles-pp.exportfs_decode_fh_raw.exportfs_decode_fh.handle_to_path.do_handle_open.do_syscall_64 70.16 -11.7 58.44 perf-profile.calltrace.cycles-pp.exportfs_decode_fh.handle_to_path.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe 68.66 -11.7 56.94 perf-profile.calltrace.cycles-pp.ilookup5.shmem_fh_to_dentry.exportfs_decode_fh_raw.exportfs_decode_fh.handle_to_path 70.15 -11.7 58.44 perf-profile.calltrace.cycles-pp.shmem_fh_to_dentry.exportfs_decode_fh_raw.exportfs_decode_fh.handle_to_path.do_handle_open 67.16 -11.7 55.44 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.ilookup5_nowait.ilookup5.shmem_fh_to_dentry 68.64 -11.7 56.94 perf-profile.calltrace.cycles-pp.ilookup5_nowait.ilookup5.shmem_fh_to_dentry.exportfs_decode_fh_raw.exportfs_decode_fh 76.88 -8.8 68.10 perf-profile.calltrace.cycles-pp.open_by_handle_at 76.73 -8.8 67.98 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open_by_handle_at 76.69 -8.7 67.96 perf-profile.calltrace.cycles-pp.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.open_by_handle_at 76.79 -8.7 68.07 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open_by_handle_at 9.29 -0.1 9.17 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy 1.42 +0.0 1.46 perf-profile.calltrace.cycles-pp.find_inode.ilookup5_nowait.ilookup5.shmem_fh_to_dentry.exportfs_decode_fh_raw 1.39 +0.1 1.45 perf-profile.calltrace.cycles-pp._raw_spin_lock.find_inode.ilookup5_nowait.ilookup5.shmem_fh_to_dentry 1.40 +0.1 1.46 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get.do_dentry_open.do_open 1.44 +0.1 1.52 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.__fput.__x64_sys_close 1.45 +0.1 1.53 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.path_put.do_handle_open 1.36 +0.1 1.44 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.find_inode.ilookup5_nowait.ilookup5 1.42 +0.1 1.50 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.terminate_walk.path_openat 1.41 +0.1 1.50 perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get.do_dentry_open.do_open.path_openat 1.46 +0.1 1.56 perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.__fput.__x64_sys_close.do_syscall_64 1.46 +0.1 1.57 perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.path_put.do_handle_open.do_syscall_64 1.43 +0.1 1.55 perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.terminate_walk.path_openat.do_file_open_root 1.47 +0.7 2.19 perf-profile.calltrace.cycles-pp.path_init.path_openat.do_file_open_root.file_open_root.do_handle_open 1.86 +0.7 2.59 perf-profile.calltrace.cycles-pp.__close 1.79 +0.7 2.52 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 1.45 +0.7 2.18 perf-profile.calltrace.cycles-pp.lockref_get.path_init.path_openat.do_file_open_root.file_open_root 1.78 +0.7 2.52 perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 1.82 +0.8 2.57 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close 0.00 +0.8 0.77 perf-profile.calltrace.cycles-pp.lockref_put_return.dput.path_put.do_handle_open.do_syscall_64 0.00 +0.8 0.78 perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_openat.do_file_open_root 1.64 +0.8 2.42 perf-profile.calltrace.cycles-pp.do_open.path_openat.do_file_open_root.file_open_root.do_handle_open 1.67 +0.8 2.48 perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 0.00 +0.8 0.81 ± 2% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.__fput.__x64_sys_close.do_syscall_64 1.58 +0.8 2.38 perf-profile.calltrace.cycles-pp.do_dentry_open.do_open.path_openat.do_file_open_root.file_open_root 1.44 +0.8 2.28 perf-profile.calltrace.cycles-pp.lockref_get.do_dentry_open.do_open.path_openat.do_file_open_root 1.48 +0.9 2.35 perf-profile.calltrace.cycles-pp.dput.path_put.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.48 +0.9 2.35 perf-profile.calltrace.cycles-pp.path_put.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.open_by_handle_at 1.47 +0.9 2.34 perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_openat.do_file_open_root.file_open_root 1.47 +0.9 2.34 perf-profile.calltrace.cycles-pp.terminate_walk.path_openat.do_file_open_root.file_open_root.do_handle_open 1.50 +0.9 2.38 perf-profile.calltrace.cycles-pp.dput.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 4.73 +2.3 7.06 perf-profile.calltrace.cycles-pp.do_file_open_root.file_open_root.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe 4.73 +2.3 7.06 perf-profile.calltrace.cycles-pp.file_open_root.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.open_by_handle_at 4.67 +2.3 7.00 perf-profile.calltrace.cycles-pp.path_openat.do_file_open_root.file_open_root.do_handle_open.do_syscall_64 10.36 +4.2 14.50 perf-profile.calltrace.cycles-pp.user_path_at_empty.__x64_sys_name_to_handle_at.do_syscall_64.entry_SYSCALL_64_after_hwframe.name_to_handle_at 9.93 +4.2 14.14 perf-profile.calltrace.cycles-pp.filename_lookup.user_path_at_empty.__x64_sys_name_to_handle_at.do_syscall_64.entry_SYSCALL_64_after_hwframe 9.90 +4.2 14.12 perf-profile.calltrace.cycles-pp.path_lookupat.filename_lookup.user_path_at_empty.__x64_sys_name_to_handle_at.do_syscall_64 9.63 +4.4 14.03 perf-profile.calltrace.cycles-pp.complete_walk.path_lookupat.filename_lookup.user_path_at_empty.__x64_sys_name_to_handle_at 9.63 +4.4 14.02 perf-profile.calltrace.cycles-pp.try_to_unlazy.complete_walk.path_lookupat.filename_lookup.user_path_at_empty 9.62 +4.4 14.02 perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.complete_walk.path_lookupat.filename_lookup 9.59 +4.4 14.01 perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.complete_walk.path_lookupat 9.69 +4.4 14.14 perf-profile.calltrace.cycles-pp.path_put.__x64_sys_name_to_handle_at.do_syscall_64.entry_SYSCALL_64_after_hwframe.name_to_handle_at 9.69 +4.4 14.14 perf-profile.calltrace.cycles-pp.dput.path_put.__x64_sys_name_to_handle_at.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +4.6 4.55 ± 2% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.path_put.__x64_sys_name_to_handle_at.do_syscall_64 20.70 +8.4 29.07 perf-profile.calltrace.cycles-pp.name_to_handle_at 20.45 +8.4 28.90 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.name_to_handle_at 20.42 +8.5 28.88 perf-profile.calltrace.cycles-pp.__x64_sys_name_to_handle_at.do_syscall_64.entry_SYSCALL_64_after_hwframe.name_to_handle_at 20.52 +8.5 28.99 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.name_to_handle_at 70.47 -11.9 58.54 perf-profile.children.cycles-pp.handle_to_path 70.16 -11.7 58.44 perf-profile.children.cycles-pp.exportfs_decode_fh_raw 70.16 -11.7 58.44 perf-profile.children.cycles-pp.exportfs_decode_fh 68.66 -11.7 56.94 perf-profile.children.cycles-pp.ilookup5 70.15 -11.7 58.44 perf-profile.children.cycles-pp.shmem_fh_to_dentry 68.65 -11.7 56.94 perf-profile.children.cycles-pp.ilookup5_nowait 95.73 -11.6 84.14 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 96.10 -11.2 84.88 perf-profile.children.cycles-pp._raw_spin_lock 76.90 -8.8 68.11 perf-profile.children.cycles-pp.open_by_handle_at 76.69 -8.7 67.96 perf-profile.children.cycles-pp.do_handle_open 0.42 ± 2% -0.3 0.14 ± 10% perf-profile.children.cycles-pp.open64 0.38 ± 2% -0.3 0.11 ± 8% perf-profile.children.cycles-pp.__x64_sys_openat 0.38 ± 3% -0.3 0.11 ± 8% perf-profile.children.cycles-pp.do_sys_openat2 0.33 ± 3% -0.2 0.09 ± 13% perf-profile.children.cycles-pp.do_filp_open 0.20 ± 3% -0.1 0.07 ± 8% perf-profile.children.cycles-pp.getname_flags 0.35 ± 4% -0.1 0.23 ± 11% perf-profile.children.cycles-pp.do_sys_name_to_handle 0.14 ± 3% -0.1 0.03 ± 70% perf-profile.children.cycles-pp.alloc_empty_file 0.16 ± 3% -0.1 0.06 ± 9% perf-profile.children.cycles-pp.clear_bhb_loop 0.14 ± 3% -0.1 0.05 perf-profile.children.cycles-pp.__check_object_size 0.12 ± 4% -0.1 0.03 ± 70% perf-profile.children.cycles-pp.strncpy_from_user 0.14 ± 2% -0.1 0.05 ± 7% perf-profile.children.cycles-pp.link_path_walk 1.43 +0.0 1.46 perf-profile.children.cycles-pp.find_inode 0.28 ± 2% +0.1 0.35 perf-profile.children.cycles-pp.putname 99.41 +0.1 99.56 perf-profile.children.cycles-pp.do_syscall_64 99.57 +0.2 99.81 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 1.86 +0.6 2.50 perf-profile.children.cycles-pp.do_open 1.57 +0.7 2.22 perf-profile.children.cycles-pp.path_init 1.70 +0.7 2.41 perf-profile.children.cycles-pp.do_dentry_open 1.87 +0.7 2.59 perf-profile.children.cycles-pp.__close 1.78 +0.7 2.52 perf-profile.children.cycles-pp.__x64_sys_close 1.67 +0.8 2.48 perf-profile.children.cycles-pp.__fput 1.51 +0.8 2.34 perf-profile.children.cycles-pp.terminate_walk 2.91 +1.6 4.46 perf-profile.children.cycles-pp.lockref_get 5.00 +2.1 7.09 perf-profile.children.cycles-pp.path_openat 4.73 +2.3 7.06 perf-profile.children.cycles-pp.do_file_open_root 4.73 +2.3 7.06 perf-profile.children.cycles-pp.file_open_root 10.36 +4.1 14.51 perf-profile.children.cycles-pp.user_path_at_empty 9.93 +4.2 14.14 perf-profile.children.cycles-pp.filename_lookup 9.90 +4.2 14.12 perf-profile.children.cycles-pp.path_lookupat 9.69 +4.4 14.05 perf-profile.children.cycles-pp.complete_walk 9.68 +4.4 14.04 perf-profile.children.cycles-pp.try_to_unlazy 9.67 +4.4 14.04 perf-profile.children.cycles-pp.__legitimize_path 9.63 +4.4 14.02 perf-profile.children.cycles-pp.lockref_get_not_dead 11.18 +5.3 16.49 perf-profile.children.cycles-pp.path_put 0.28 +6.6 6.91 ± 2% perf-profile.children.cycles-pp.lockref_put_return 14.16 +7.0 21.20 perf-profile.children.cycles-pp.dput 20.73 +8.4 29.08 perf-profile.children.cycles-pp.name_to_handle_at 20.42 +8.5 28.89 perf-profile.children.cycles-pp.__x64_sys_name_to_handle_at 95.48 -11.5 83.94 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 0.16 ± 3% -0.1 0.06 ± 9% perf-profile.self.cycles-pp.clear_bhb_loop 0.09 ± 5% -0.0 0.07 ± 5% perf-profile.self.cycles-pp.do_dentry_open 0.11 ± 5% +0.0 0.15 ± 13% perf-profile.self.cycles-pp.do_sys_name_to_handle 0.27 +0.1 0.35 perf-profile.self.cycles-pp.putname 0.16 ± 4% +0.1 0.25 ± 4% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.00 +0.1 0.10 ± 12% perf-profile.self.cycles-pp.dput 0.37 ± 2% +0.4 0.74 perf-profile.self.cycles-pp._raw_spin_lock 0.08 +1.4 1.53 perf-profile.self.cycles-pp.lockref_get 0.27 ± 2% +4.3 4.61 ± 2% perf-profile.self.cycles-pp.lockref_get_not_dead 0.28 +6.6 6.90 ± 2% perf-profile.self.cycles-pp.lockref_put_return Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki