Hello, kernel test robot noticed a -29.4% regression of aim7.jobs-per-min on: commit: 98c9daf5ae6be008f78c07b744bcff7bcc6e98da ("mm: memcg: guard memcg1-specific members of struct mem_cgroup_per_node") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master testcase: aim7 test machine: 128 threads 2 sockets Intel(R) Xeon(R) Gold 6338 CPU @ 2.00GHz (Ice Lake) with 256G memory parameters: disk: 1BRD_48G fs: ext4 test: disk_rr load: 3000 cpufreq_governor: performance some further information. we don't have CONFIG_MEMCG_V1 in our config which is uploaded to [1] # CONFIG_MEMCG_V1 is not set we also tried to capturing perf-c2c data in the whole process of this benchmark. got below: 94b7e5bf09b08aa4 98c9daf5ae6be008f78c07b744b ---------------- --------------------------- %stddev %change %stddev \ | \ 5252 ± 4% +86.6% 9801 ± 3% perf-c2c.DRAM.local 149160 ± 3% +95.7% 291886 ± 2% perf-c2c.DRAM.remote 98978 +114.6% 212395 perf-c2c.HITM.local 10458 ± 2% +47.2% 15397 ± 2% perf-c2c.HITM.remote 109437 +108.1% 227793 perf-c2c.HITM.total 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/202407121335.31a10cb6-oliver.sang@xxxxxxxxx Details are as below: --------------------------------------------------------------------------------------------------> [1] The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240712/202407121335.31a10cb6-oliver.sang@xxxxxxxxx ========================================================================================= compiler/cpufreq_governor/disk/fs/kconfig/load/rootfs/tbox_group/test/testcase: gcc-13/performance/1BRD_48G/ext4/x86_64-rhel-8.3/3000/debian-12-x86_64-20240206.cgz/lkp-icl-2sp2/disk_rr/aim7 commit: 94b7e5bf09 ("mm: memcg: put memcg1-specific struct mem_cgroup's members under CONFIG_MEMCG_V1") 98c9daf5ae ("mm: memcg: guard memcg1-specific members of struct mem_cgroup_per_node") 94b7e5bf09b08aa4 98c9daf5ae6be008f78c07b744b ---------------- --------------------------- %stddev %change %stddev \ | \ 4752 ± 13% -18.1% 3890 ± 11% sched_debug.cpu.avg_idle.min 76.42 +15.1% 87.99 ± 3% uptime.boot 53.28 ± 2% -27.5% 38.65 ± 2% iostat.cpu.idle 44.58 ± 2% +33.6% 59.58 iostat.cpu.system 2.13 -17.0% 1.77 iostat.cpu.user 49.85 ± 2% -14.7 35.17 ± 2% mpstat.cpu.all.idle% 47.74 ± 2% +15.1 62.82 mpstat.cpu.all.sys% 2.23 -0.4 1.82 mpstat.cpu.all.usr% 53.29 ± 2% -27.4% 38.70 ± 2% vmstat.cpu.id 65.83 ± 4% +59.1% 104.76 ± 3% vmstat.procs.r 8385 ± 4% +34.6% 11284 ± 3% vmstat.system.cs 245966 ± 2% +8.1% 265964 vmstat.system.in 778685 -29.4% 549435 aim7.jobs-per-min 23.31 +41.4% 32.96 aim7.time.elapsed_time 23.31 +41.4% 32.96 aim7.time.elapsed_time.max 47890 ± 7% +338.5% 210000 ± 3% aim7.time.involuntary_context_switches 6674 +26.7% 8455 aim7.time.percent_of_cpu_this_job_got 1510 +81.7% 2744 ± 2% aim7.time.system_time 19454 ± 3% +9.1% 21223 ± 3% aim7.time.voluntary_context_switches 49345 ± 6% +108.4% 102820 ± 10% meminfo.Active 22670 ± 11% +182.6% 64065 ± 15% meminfo.Active(anon) 26674 ± 4% +45.3% 38754 ± 4% meminfo.Active(file) 33695 +18.6% 39973 ± 3% meminfo.AnonHugePages 1360098 ± 3% +14.0% 1551107 ± 2% meminfo.Inactive 803759 +15.0% 924519 meminfo.Inactive(anon) 66977 ± 3% +115.7% 144485 ± 7% meminfo.Mapped 78152 ± 9% +188.4% 225431 ± 5% meminfo.Shmem 15327 ± 8% +52.6% 23389 ± 11% numa-meminfo.node0.Active 13455 ± 9% +46.0% 19642 ± 10% numa-meminfo.node0.Active(file) 19657 ± 14% +111.2% 41510 ± 18% numa-meminfo.node0.Mapped 6081 ± 16% +84.9% 11247 ± 42% numa-meminfo.node0.Shmem 33647 ± 8% +134.3% 78825 ± 15% numa-meminfo.node1.Active 20790 ± 14% +188.7% 60020 ± 18% numa-meminfo.node1.Active(anon) 12857 ± 7% +46.3% 18805 ± 9% numa-meminfo.node1.Active(file) 485228 ± 23% +85.5% 899983 ± 21% numa-meminfo.node1.Inactive 202089 ± 50% +192.9% 591917 ± 32% numa-meminfo.node1.Inactive(anon) 47991 ± 7% +112.0% 101755 ± 8% numa-meminfo.node1.Mapped 72431 ± 8% +194.1% 213055 ± 4% numa-meminfo.node1.Shmem 3290 ± 10% +50.9% 4965 ± 10% numa-vmstat.node0.nr_active_file 4793 ± 17% +113.8% 10249 ± 20% numa-vmstat.node0.nr_mapped 1519 ± 16% +72.6% 2622 ± 33% numa-vmstat.node0.nr_shmem 3294 ± 9% +50.9% 4970 ± 10% numa-vmstat.node0.nr_zone_active_file 4955 ± 11% +202.3% 14980 ± 18% numa-vmstat.node1.nr_active_anon 3376 ± 8% +40.1% 4729 ± 7% numa-vmstat.node1.nr_active_file 50152 ± 51% +194.6% 147731 ± 32% numa-vmstat.node1.nr_inactive_anon 12101 ± 7% +109.5% 25357 ± 8% numa-vmstat.node1.nr_mapped 17201 ± 7% +208.3% 53026 ± 4% numa-vmstat.node1.nr_shmem 4955 ± 11% +202.3% 14980 ± 18% numa-vmstat.node1.nr_zone_active_anon 3352 ± 8% +41.1% 4729 ± 7% numa-vmstat.node1.nr_zone_active_file 50150 ± 51% +194.6% 147730 ± 32% numa-vmstat.node1.nr_zone_inactive_anon 5776 ± 11% +175.1% 15893 ± 16% proc-vmstat.nr_active_anon 6595 ± 8% +46.7% 9677 ± 3% proc-vmstat.nr_active_file 187950 +2.0% 191760 proc-vmstat.nr_anon_pages 945653 +6.0% 1002646 proc-vmstat.nr_file_pages 201118 +14.8% 230842 proc-vmstat.nr_inactive_anon 17214 ± 3% +108.2% 35836 ± 6% proc-vmstat.nr_mapped 19951 ± 8% +180.4% 55933 ± 4% proc-vmstat.nr_shmem 40267 +2.7% 41335 proc-vmstat.nr_slab_reclaimable 86277 +1.8% 87792 proc-vmstat.nr_slab_unreclaimable 5776 ± 11% +175.1% 15893 ± 16% proc-vmstat.nr_zone_active_anon 6595 ± 8% +46.7% 9677 ± 3% proc-vmstat.nr_zone_active_file 201118 +14.8% 230842 proc-vmstat.nr_zone_inactive_anon 312.12 ±241% +1618.1% 5362 ±125% proc-vmstat.numa_pages_migrated 369792 +19.6% 442285 ± 3% proc-vmstat.pgfault 312.12 ±241% +1618.1% 5362 ±125% proc-vmstat.pgmigrate_success 2426 ± 2% +29.2% 3135 ± 3% proc-vmstat.pgpgout 1515 +3.8% 1572 proc-vmstat.unevictable_pgs_culled 0.63 ± 3% +36.5% 0.85 ± 2% perf-stat.i.MPKI 1.885e+10 -23.7% 1.437e+10 perf-stat.i.branch-instructions 2.78 ± 2% -0.5 2.29 ± 4% perf-stat.i.branch-miss-rate% 67232899 -17.4% 55553782 ± 3% perf-stat.i.branch-misses 13.70 ± 3% +2.5 16.17 ± 3% perf-stat.i.cache-miss-rate% 5.483e+08 -24.9% 4.118e+08 perf-stat.i.cache-references 8605 ± 4% +34.7% 11593 ± 4% perf-stat.i.context-switches 1.35 +65.4% 2.22 ± 3% perf-stat.i.cpi 1.616e+11 +22.1% 1.973e+11 perf-stat.i.cpu-cycles 8.537e+10 -24.8% 6.416e+10 perf-stat.i.instructions 0.96 -22.2% 0.75 ± 2% perf-stat.i.ipc 13455 -15.4% 11379 ± 3% perf-stat.i.minor-faults 13489 -15.5% 11396 ± 3% perf-stat.i.page-faults 0.85 ± 3% +34.8% 1.15 perf-stat.overall.MPKI 0.34 +0.0 0.36 ± 2% perf-stat.overall.branch-miss-rate% 13.23 ± 3% +4.6 17.78 perf-stat.overall.cache-miss-rate% 1.90 +62.8% 3.08 perf-stat.overall.cpi 2231 ± 3% +20.6% 2690 ± 2% perf-stat.overall.cycles-between-cache-misses 0.53 -38.5% 0.32 perf-stat.overall.ipc 1.86e+10 -23.0% 1.433e+10 perf-stat.ps.branch-instructions 64095803 -19.1% 51843320 ± 2% perf-stat.ps.branch-misses 5.417e+08 -23.9% 4.124e+08 perf-stat.ps.cache-references 8220 ± 4% +33.3% 10962 ± 4% perf-stat.ps.context-switches 1.597e+11 +23.5% 1.972e+11 ± 2% perf-stat.ps.cpu-cycles 8.426e+10 -24.1% 6.394e+10 perf-stat.ps.instructions 12730 -18.7% 10354 ± 3% perf-stat.ps.minor-faults 12762 -18.8% 10369 ± 3% perf-stat.ps.page-faults 3.93 ± 6% -3.2 0.69 ± 8% perf-profile.calltrace.cycles-pp.creat64 3.93 ± 6% -3.2 0.69 ± 8% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.creat64 3.93 ± 6% -3.2 0.69 ± 8% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.creat64 3.92 ± 6% -3.2 0.68 ± 8% perf-profile.calltrace.cycles-pp.__x64_sys_creat.do_syscall_64.entry_SYSCALL_64_after_hwframe.creat64 3.92 ± 6% -3.2 0.68 ± 8% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_creat.do_syscall_64.entry_SYSCALL_64_after_hwframe.creat64 3.91 ± 6% -3.2 0.68 ± 8% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_creat.do_syscall_64 3.91 ± 6% -3.2 0.68 ± 8% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_creat.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.87 ± 6% -3.2 0.65 ± 9% perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_creat 3.66 -1.7 1.99 ± 2% perf-profile.calltrace.cycles-pp.ext4_block_write_begin.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter.vfs_write 3.31 -1.5 1.77 ± 2% perf-profile.calltrace.cycles-pp.llseek 2.87 -1.3 1.62 ± 2% perf-profile.calltrace.cycles-pp.ext4_da_write_end.generic_perform_write.ext4_buffered_write_iter.vfs_write.ksys_write 2.25 -1.0 1.29 ± 2% perf-profile.calltrace.cycles-pp.block_write_end.ext4_da_write_end.generic_perform_write.ext4_buffered_write_iter.vfs_write 2.17 -0.9 1.25 ± 2% perf-profile.calltrace.cycles-pp.__block_commit_write.block_write_end.ext4_da_write_end.generic_perform_write.ext4_buffered_write_iter 1.93 -0.8 1.14 ± 2% perf-profile.calltrace.cycles-pp.copy_page_to_iter.filemap_read.vfs_read.ksys_read.do_syscall_64 1.99 -0.8 1.23 ± 2% perf-profile.calltrace.cycles-pp.truncate_cleanup_folio.truncate_inode_pages_range.ext4_evict_inode.evict.__dentry_kill 1.79 -0.7 1.07 ± 2% perf-profile.calltrace.cycles-pp._copy_to_iter.copy_page_to_iter.filemap_read.vfs_read.ksys_read 1.34 -0.7 0.68 ± 3% perf-profile.calltrace.cycles-pp.ext4_da_get_block_prep.ext4_block_write_begin.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter 1.30 -0.6 0.66 ± 3% perf-profile.calltrace.cycles-pp.ext4_da_map_blocks.ext4_da_get_block_prep.ext4_block_write_begin.ext4_da_write_begin.generic_perform_write 1.22 -0.6 0.65 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.llseek 1.17 -0.5 0.63 ± 2% perf-profile.calltrace.cycles-pp.filemap_get_pages.filemap_read.vfs_read.ksys_read.do_syscall_64 1.21 -0.5 0.67 ± 2% perf-profile.calltrace.cycles-pp.mark_buffer_dirty.__block_commit_write.block_write_end.ext4_da_write_end.generic_perform_write 0.96 -0.5 0.43 ± 47% perf-profile.calltrace.cycles-pp.filemap_get_read_batch.filemap_get_pages.filemap_read.vfs_read.ksys_read 1.08 -0.5 0.57 ± 3% perf-profile.calltrace.cycles-pp.clear_bhb_loop.write 1.08 -0.5 0.57 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.llseek 1.20 -0.5 0.70 ± 3% perf-profile.calltrace.cycles-pp.zero_user_segments.ext4_block_write_begin.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter 1.05 -0.5 0.56 ± 2% perf-profile.calltrace.cycles-pp.copy_page_from_iter_atomic.generic_perform_write.ext4_buffered_write_iter.vfs_write.ksys_write 0.91 -0.5 0.42 ± 47% perf-profile.calltrace.cycles-pp.__folio_mark_dirty.mark_buffer_dirty.__block_commit_write.block_write_end.ext4_da_write_end 1.15 -0.5 0.68 ± 2% perf-profile.calltrace.cycles-pp.memset_orig.zero_user_segments.ext4_block_write_begin.ext4_da_write_begin.generic_perform_write 1.02 -0.5 0.55 ± 2% perf-profile.calltrace.cycles-pp.clear_bhb_loop.llseek 1.30 -0.5 0.83 ± 2% perf-profile.calltrace.cycles-pp.try_to_free_buffers.truncate_cleanup_folio.truncate_inode_pages_range.ext4_evict_inode.evict 0.98 -0.5 0.53 ± 2% perf-profile.calltrace.cycles-pp.clear_bhb_loop.read 1.10 ± 3% -0.4 0.67 ± 3% perf-profile.calltrace.cycles-pp.workingset_activation.folio_mark_accessed.filemap_read.vfs_read.ksys_read 30.65 -0.4 30.25 perf-profile.calltrace.cycles-pp.read 0.98 -0.3 0.69 ± 2% perf-profile.calltrace.cycles-pp.__filemap_add_folio.filemap_add_folio.__filemap_get_folio.ext4_da_write_begin.generic_perform_write 2.39 +0.2 2.61 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu.__folio_batch_release 2.42 +0.2 2.64 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.lru_add_drain_cpu.__folio_batch_release.truncate_inode_pages_range.ext4_evict_inode 2.39 +0.2 2.61 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu.__folio_batch_release.truncate_inode_pages_range 2.42 +0.2 2.64 perf-profile.calltrace.cycles-pp.lru_add_drain_cpu.__folio_batch_release.truncate_inode_pages_range.ext4_evict_inode.evict 2.38 +0.2 2.61 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.lru_add_drain_cpu 2.44 +0.4 2.89 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.__folio_batch_release.truncate_inode_pages_range.ext4_evict_inode.evict 2.38 +0.5 2.84 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.__folio_batch_release.truncate_inode_pages_range.ext4_evict_inode 2.38 +0.5 2.84 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.__folio_batch_release.truncate_inode_pages_range 2.38 +0.5 2.84 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.__folio_batch_release 28.52 +0.6 29.11 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read 28.38 +0.7 29.04 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 4.86 +0.7 5.54 perf-profile.calltrace.cycles-pp.__folio_batch_release.truncate_inode_pages_range.ext4_evict_inode.evict.__dentry_kill 27.89 +0.9 28.77 perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 27.47 +1.1 28.54 perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 25.90 +1.9 27.78 perf-profile.calltrace.cycles-pp.filemap_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe 30.26 +4.0 34.31 perf-profile.calltrace.cycles-pp.write 21.06 +4.1 25.14 perf-profile.calltrace.cycles-pp.folio_mark_accessed.filemap_read.vfs_read.ksys_read.do_syscall_64 19.70 +4.6 24.33 perf-profile.calltrace.cycles-pp.folio_activate.folio_mark_accessed.filemap_read.vfs_read.ksys_read 19.63 +4.7 24.29 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.folio_activate.folio_mark_accessed.filemap_read.vfs_read 18.85 +4.7 23.52 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_activate.folio_mark_accessed.filemap_read 18.84 +4.7 23.51 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_activate.folio_mark_accessed 18.83 +4.7 23.51 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_activate 28.38 +5.0 33.33 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write 28.23 +5.0 33.25 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 27.72 +5.3 32.99 perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 27.25 +5.5 32.74 perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 25.87 +5.6 31.48 perf-profile.calltrace.cycles-pp.__close 25.86 +5.6 31.46 perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 25.86 +5.6 31.47 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 25.86 +5.6 31.47 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close 25.84 +5.6 31.45 perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 25.82 +5.6 31.44 perf-profile.calltrace.cycles-pp.dput.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 25.81 +5.6 31.44 perf-profile.calltrace.cycles-pp.__dentry_kill.dput.__fput.__x64_sys_close.do_syscall_64 25.79 +5.6 31.43 perf-profile.calltrace.cycles-pp.evict.__dentry_kill.dput.__fput.__x64_sys_close 25.78 +5.6 31.42 perf-profile.calltrace.cycles-pp.ext4_evict_inode.evict.__dentry_kill.dput.__fput 25.63 +5.7 31.33 perf-profile.calltrace.cycles-pp.truncate_inode_pages_range.ext4_evict_inode.evict.__dentry_kill.dput 17.98 +6.1 24.07 perf-profile.calltrace.cycles-pp.folios_put_refs.truncate_inode_pages_range.ext4_evict_inode.evict.__dentry_kill 17.57 +6.2 23.81 perf-profile.calltrace.cycles-pp.__page_cache_release.folios_put_refs.truncate_inode_pages_range.ext4_evict_inode.evict 17.33 +6.3 23.66 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.truncate_inode_pages_range 17.34 +6.3 23.66 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs.truncate_inode_pages_range.ext4_evict_inode 17.32 +6.3 23.65 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.__page_cache_release.folios_put_refs 25.47 +6.5 31.92 perf-profile.calltrace.cycles-pp.ext4_buffered_write_iter.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe 23.72 ± 2% +7.3 31.06 perf-profile.calltrace.cycles-pp.generic_perform_write.ext4_buffered_write_iter.vfs_write.ksys_write.do_syscall_64 17.89 ± 3% +10.1 27.95 perf-profile.calltrace.cycles-pp.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter.vfs_write.ksys_write 13.68 ± 4% +12.1 25.73 perf-profile.calltrace.cycles-pp.__filemap_get_folio.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter.vfs_write 11.76 ± 5% +13.0 24.76 perf-profile.calltrace.cycles-pp.filemap_add_folio.__filemap_get_folio.ext4_da_write_begin.generic_perform_write.ext4_buffered_write_iter 9.80 ± 6% +13.4 23.16 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru.filemap_add_folio 9.81 ± 6% +13.4 23.17 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru.filemap_add_folio.__filemap_get_folio 9.79 ± 6% +13.4 23.16 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru 10.38 ± 6% +13.5 23.85 perf-profile.calltrace.cycles-pp.folio_add_lru.filemap_add_folio.__filemap_get_folio.ext4_da_write_begin.generic_perform_write 10.32 ± 6% +13.5 23.82 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.folio_add_lru.filemap_add_folio.__filemap_get_folio.ext4_da_write_begin 8.04 ± 8% -7.2 0.84 ± 9% perf-profile.children.cycles-pp.down_write 7.67 ± 8% -7.0 0.65 ± 12% perf-profile.children.cycles-pp.rwsem_down_write_slowpath 7.66 ± 8% -7.0 0.64 ± 12% perf-profile.children.cycles-pp.rwsem_optimistic_spin 7.28 ± 9% -6.8 0.53 ± 14% perf-profile.children.cycles-pp.osq_lock 4.35 ± 10% -4.1 0.30 ± 8% perf-profile.children.cycles-pp.unlink 4.34 ± 10% -4.0 0.29 ± 8% perf-profile.children.cycles-pp.__x64_sys_unlink 4.34 ± 10% -4.0 0.29 ± 8% perf-profile.children.cycles-pp.do_unlinkat 3.97 ± 6% -3.3 0.71 ± 8% perf-profile.children.cycles-pp.do_sys_openat2 3.95 ± 6% -3.2 0.70 ± 8% perf-profile.children.cycles-pp.path_openat 3.95 ± 6% -3.2 0.70 ± 8% perf-profile.children.cycles-pp.do_filp_open 3.93 ± 6% -3.2 0.69 ± 8% perf-profile.children.cycles-pp.creat64 3.92 ± 6% -3.2 0.68 ± 8% perf-profile.children.cycles-pp.__x64_sys_creat 3.87 ± 6% -3.2 0.66 ± 8% perf-profile.children.cycles-pp.open_last_lookups 3.70 -1.7 1.98 ± 2% perf-profile.children.cycles-pp.llseek 3.68 -1.7 2.00 ± 2% perf-profile.children.cycles-pp.ext4_block_write_begin 3.12 -1.4 1.67 ± 2% perf-profile.children.cycles-pp.clear_bhb_loop 2.90 -1.3 1.64 ± 2% perf-profile.children.cycles-pp.ext4_da_write_end 2.29 -1.0 1.31 ± 2% perf-profile.children.cycles-pp.block_write_end 2.20 -0.9 1.26 ± 2% perf-profile.children.cycles-pp.__block_commit_write 1.95 -0.8 1.15 ± 2% perf-profile.children.cycles-pp.copy_page_to_iter 1.99 -0.8 1.24 ± 2% perf-profile.children.cycles-pp.truncate_cleanup_folio 1.80 -0.7 1.08 ± 2% perf-profile.children.cycles-pp._copy_to_iter 1.54 -0.7 0.82 ± 2% perf-profile.children.cycles-pp.entry_SYSCALL_64 1.34 -0.7 0.68 ± 3% perf-profile.children.cycles-pp.ext4_da_get_block_prep 1.32 -0.7 0.67 ± 3% perf-profile.children.cycles-pp.ext4_da_map_blocks 31.04 -0.6 30.46 perf-profile.children.cycles-pp.read 1.19 -0.6 0.64 ± 2% perf-profile.children.cycles-pp.filemap_get_pages 1.18 -0.5 0.63 ± 2% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 1.22 -0.5 0.68 ± 2% perf-profile.children.cycles-pp.mark_buffer_dirty 1.20 -0.5 0.70 ± 2% perf-profile.children.cycles-pp.zero_user_segments 1.20 -0.5 0.71 ± 2% perf-profile.children.cycles-pp.memset_orig 1.07 -0.5 0.58 ± 2% perf-profile.children.cycles-pp.copy_page_from_iter_atomic 0.95 -0.5 0.46 ± 3% perf-profile.children.cycles-pp.rw_verify_area 1.32 -0.5 0.84 ± 2% perf-profile.children.cycles-pp.try_to_free_buffers 0.98 -0.5 0.53 ± 2% perf-profile.children.cycles-pp.filemap_get_read_batch 0.98 ± 2% -0.4 0.53 ± 3% perf-profile.children.cycles-pp.__fdget_pos 0.77 ± 2% -0.4 0.34 ± 3% perf-profile.children.cycles-pp.balance_dirty_pages_ratelimited_flags 1.10 ± 3% -0.4 0.67 ± 3% perf-profile.children.cycles-pp.workingset_activation 0.80 -0.4 0.37 ± 2% perf-profile.children.cycles-pp.file_modified 0.86 ± 4% -0.4 0.46 ± 3% perf-profile.children.cycles-pp.workingset_age_nonresident 0.77 ± 2% -0.4 0.37 ± 3% perf-profile.children.cycles-pp.security_file_permission 0.92 -0.4 0.52 ± 2% perf-profile.children.cycles-pp.__folio_mark_dirty 0.80 -0.4 0.42 ± 2% perf-profile.children.cycles-pp.xas_load 0.74 -0.4 0.37 ± 3% perf-profile.children.cycles-pp.folio_alloc_noprof 0.70 -0.4 0.33 ± 3% perf-profile.children.cycles-pp.touch_atime 0.60 ± 2% -0.4 0.24 ± 4% perf-profile.children.cycles-pp.percpu_counter_add_batch 0.71 -0.4 0.35 ± 3% perf-profile.children.cycles-pp.alloc_pages_mpol_noprof 0.80 -0.4 0.45 ± 2% perf-profile.children.cycles-pp.create_empty_buffers 0.68 ± 2% -0.3 0.36 ± 3% perf-profile.children.cycles-pp.fault_in_iov_iter_readable 0.62 -0.3 0.30 ± 3% perf-profile.children.cycles-pp.__alloc_pages_noprof 0.59 ± 2% -0.3 0.28 ± 3% perf-profile.children.cycles-pp.apparmor_file_permission 0.62 -0.3 0.32 ± 3% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state 0.64 -0.3 0.34 ± 3% perf-profile.children.cycles-pp.ksys_lseek 1.01 -0.3 0.71 ± 2% perf-profile.children.cycles-pp.__filemap_add_folio 0.62 -0.3 0.32 ± 3% perf-profile.children.cycles-pp.filemap_get_entry 0.57 -0.3 0.28 ± 3% perf-profile.children.cycles-pp.atime_needs_update 0.69 -0.3 0.40 ± 2% perf-profile.children.cycles-pp.folio_account_dirtied 0.61 -0.3 0.32 ± 2% perf-profile.children.cycles-pp.__cond_resched 0.60 ± 2% -0.3 0.32 ± 3% perf-profile.children.cycles-pp.fault_in_readable 0.62 -0.3 0.35 ± 2% perf-profile.children.cycles-pp.folio_alloc_buffers 0.58 -0.3 0.32 ± 2% perf-profile.children.cycles-pp.syscall_exit_to_user_mode 0.37 ± 3% -0.3 0.11 ± 4% perf-profile.children.cycles-pp.rwsem_spin_on_owner 0.40 ± 6% -0.3 0.14 ± 3% perf-profile.children.cycles-pp.ext4_file_write_iter 0.51 ± 3% -0.2 0.27 ± 3% perf-profile.children.cycles-pp.disk_rr 0.59 -0.2 0.34 ± 2% perf-profile.children.cycles-pp.kmem_cache_free 0.46 -0.2 0.22 ± 2% perf-profile.children.cycles-pp.get_page_from_freelist 0.55 ± 2% -0.2 0.31 ± 3% perf-profile.children.cycles-pp.alloc_buffer_head 0.53 -0.2 0.30 ± 2% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 0.36 ± 3% -0.2 0.14 ± 4% perf-profile.children.cycles-pp.__mark_inode_dirty 0.36 ± 6% -0.2 0.14 ± 5% perf-profile.children.cycles-pp.ext4_file_read_iter 0.40 -0.2 0.20 ± 2% perf-profile.children.cycles-pp.syscall_return_via_sysret 0.44 -0.2 0.25 ± 3% perf-profile.children.cycles-pp.xas_store 0.39 -0.2 0.19 ± 3% perf-profile.children.cycles-pp.inode_needs_update_time 0.52 -0.2 0.33 ± 2% perf-profile.children.cycles-pp.delete_from_page_cache_batch 0.29 ± 4% -0.2 0.10 ± 6% perf-profile.children.cycles-pp.generic_update_time 0.36 ± 2% -0.2 0.18 ± 4% perf-profile.children.cycles-pp.ext4_da_reserve_space 0.57 ± 2% -0.2 0.40 ± 3% perf-profile.children.cycles-pp.__folio_cancel_dirty 0.34 ± 2% -0.2 0.18 ± 3% perf-profile.children.cycles-pp.__mem_cgroup_charge 0.25 ± 4% -0.2 0.09 ± 5% perf-profile.children.cycles-pp.ext4_dirty_inode 0.33 -0.2 0.17 ± 2% perf-profile.children.cycles-pp.ext4_es_insert_delayed_block 0.34 -0.2 0.18 ± 2% perf-profile.children.cycles-pp.ext4_generic_write_checks 0.22 ± 5% -0.2 0.06 ± 9% perf-profile.children.cycles-pp.jbd2__journal_start 0.21 ± 5% -0.2 0.06 ± 8% perf-profile.children.cycles-pp.start_this_handle 0.31 -0.1 0.17 ± 3% perf-profile.children.cycles-pp._raw_spin_lock 0.40 -0.1 0.25 ± 2% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.30 ± 2% -0.1 0.17 ± 3% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 0.31 ± 2% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.block_invalidate_folio 0.29 ± 2% -0.1 0.16 ± 2% perf-profile.children.cycles-pp.x64_sys_call 0.49 -0.1 0.36 ± 3% perf-profile.children.cycles-pp.folio_account_cleaned 0.32 -0.1 0.19 ± 2% perf-profile.children.cycles-pp.lookup_open 0.27 -0.1 0.14 ± 2% perf-profile.children.cycles-pp.generic_write_checks 0.26 ± 3% -0.1 0.13 ± 3% perf-profile.children.cycles-pp.rcu_all_qs 0.26 ± 2% -0.1 0.13 ± 4% perf-profile.children.cycles-pp.ext4_es_lookup_extent 0.27 ± 2% -0.1 0.14 ± 4% perf-profile.children.cycles-pp.up_write 0.27 -0.1 0.14 ± 3% perf-profile.children.cycles-pp.xas_start 0.35 ± 2% -0.1 0.22 perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.17 ± 4% -0.1 0.06 ± 6% perf-profile.children.cycles-pp.ext4_nonda_switch 0.23 -0.1 0.12 ± 3% perf-profile.children.cycles-pp.folio_unlock 0.22 ± 2% -0.1 0.12 ± 3% perf-profile.children.cycles-pp.current_time 0.27 -0.1 0.16 ± 3% perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.27 ± 2% -0.1 0.17 ± 3% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.18 -0.1 0.08 ± 5% perf-profile.children.cycles-pp.node_dirty_ok 0.21 ± 2% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.__slab_free 0.26 ± 3% -0.1 0.16 ± 2% perf-profile.children.cycles-pp.hrtimer_interrupt 0.93 ± 2% -0.1 0.84 ± 3% perf-profile.children.cycles-pp.__lruvec_stat_mod_folio 0.18 ± 2% -0.1 0.09 ± 3% perf-profile.children.cycles-pp.syscall_exit_to_user_mode_prepare 0.19 ± 2% -0.1 0.10 ± 5% perf-profile.children.cycles-pp.aa_file_perm 0.20 -0.1 0.11 ± 2% perf-profile.children.cycles-pp.__mod_node_page_state 0.21 -0.1 0.12 ± 2% perf-profile.children.cycles-pp.ext4_create 0.18 -0.1 0.09 ± 4% perf-profile.children.cycles-pp.rmqueue 0.20 ± 2% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.find_lock_entries 0.17 ± 5% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.ktime_get_coarse_real_ts64 0.19 ± 2% -0.1 0.10 ± 4% perf-profile.children.cycles-pp.cgroup_rstat_updated 0.17 -0.1 0.09 ± 4% perf-profile.children.cycles-pp.__dquot_alloc_space 0.21 ± 2% -0.1 0.13 ± 3% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.17 -0.1 0.09 ± 4% perf-profile.children.cycles-pp.free_unref_folios 0.20 ± 3% -0.1 0.13 ± 3% perf-profile.children.cycles-pp.tick_nohz_handler 0.16 ± 2% -0.1 0.09 ± 4% perf-profile.children.cycles-pp.vfs_unlink 0.19 -0.1 0.12 ± 4% perf-profile.children.cycles-pp.mod_objcg_state 0.14 ± 3% -0.1 0.07 ± 6% perf-profile.children.cycles-pp.__es_insert_extent 0.16 ± 3% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.__ext4_unlink 0.14 ± 4% -0.1 0.07 perf-profile.children.cycles-pp.__count_memcg_events 0.14 ± 2% -0.1 0.07 perf-profile.children.cycles-pp.__radix_tree_lookup 0.16 ± 3% -0.1 0.09 ± 5% perf-profile.children.cycles-pp.ext4_unlink 0.18 ± 2% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.update_process_times 0.15 ± 3% -0.1 0.08 ± 3% perf-profile.children.cycles-pp.jbd2_journal_try_to_free_buffers 0.12 ± 5% -0.1 0.05 ± 8% perf-profile.children.cycles-pp.ext4_claim_free_clusters 0.13 -0.1 0.07 ± 7% perf-profile.children.cycles-pp.generic_write_check_limits 0.12 ± 4% -0.1 0.06 ± 7% perf-profile.children.cycles-pp.__xa_set_mark 0.12 ± 2% -0.1 0.06 perf-profile.children.cycles-pp.file_remove_privs_flags 0.13 ± 3% -0.1 0.07 ± 7% perf-profile.children.cycles-pp.ext4_llseek 0.15 ± 2% -0.1 0.09 ± 4% perf-profile.children.cycles-pp.__ext4_mark_inode_dirty 0.12 -0.1 0.06 ± 6% perf-profile.children.cycles-pp.amd_clear_divider 0.12 ± 2% -0.1 0.06 ± 6% perf-profile.children.cycles-pp.jbd2_journal_grab_journal_head 0.11 ± 5% -0.1 0.06 ± 6% perf-profile.children.cycles-pp.inode_to_bdi 0.09 ± 5% -0.1 0.04 ± 47% perf-profile.children.cycles-pp.handle_softirqs 0.50 -0.1 0.45 ± 3% perf-profile.children.cycles-pp.folio_activate_fn 0.11 ± 2% -0.1 0.06 perf-profile.children.cycles-pp.__ext4_new_inode 0.12 ± 2% -0.1 0.07 perf-profile.children.cycles-pp.try_charge_memcg 0.11 ± 4% -0.1 0.06 ± 4% perf-profile.children.cycles-pp.timestamp_truncate 0.12 ± 3% -0.1 0.07 ± 6% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack 0.12 ± 3% -0.1 0.07 ± 6% perf-profile.children.cycles-pp.drop_buffers 0.13 ± 3% -0.0 0.08 ± 3% perf-profile.children.cycles-pp.__ext4_find_entry 0.11 ± 3% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.ext4_mark_iloc_dirty 0.12 ± 8% -0.0 0.08 ± 6% perf-profile.children.cycles-pp.mem_cgroup_update_lru_size 0.12 -0.0 0.08 ± 5% perf-profile.children.cycles-pp.ext4_dx_find_entry 0.13 ± 3% -0.0 0.09 perf-profile.children.cycles-pp.sched_tick 0.10 ± 4% -0.0 0.06 ± 7% perf-profile.children.cycles-pp.ext4_do_update_inode 0.09 -0.0 0.05 perf-profile.children.cycles-pp.__mem_cgroup_uncharge_folios 0.08 ± 4% -0.0 0.04 ± 47% perf-profile.children.cycles-pp.ext4_reserve_inode_write 0.17 -0.0 0.13 ± 3% perf-profile.children.cycles-pp.filemap_unaccount_folio 0.09 ± 4% -0.0 0.05 ± 9% perf-profile.children.cycles-pp.ext4_lookup 0.09 ± 4% -0.0 0.06 perf-profile.children.cycles-pp.task_tick_fair 0.09 ± 3% -0.0 0.06 ± 8% perf-profile.children.cycles-pp.ext4_add_nondir 0.24 ± 2% -0.0 0.22 ± 2% perf-profile.children.cycles-pp.xas_find_conflict 0.08 ± 4% -0.0 0.05 perf-profile.children.cycles-pp.ext4_add_entry 0.08 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.ext4_dx_add_entry 0.13 ± 3% -0.0 0.11 ± 5% perf-profile.children.cycles-pp.__mod_lruvec_state 0.07 -0.0 0.05 ± 31% perf-profile.children.cycles-pp.ext4_search_dir 0.34 ± 2% +0.0 0.37 perf-profile.children.cycles-pp.lru_add_fn 0.00 +0.1 0.05 ± 5% perf-profile.children.cycles-pp.lru_add_drain 0.08 ± 5% +0.1 0.15 ± 4% perf-profile.children.cycles-pp.__cmd_record 0.08 ± 5% +0.1 0.15 ± 4% perf-profile.children.cycles-pp.cmd_record 0.08 ± 4% +0.1 0.14 ± 4% perf-profile.children.cycles-pp.record__mmap_read_evlist 0.09 ± 3% +0.1 0.15 ± 4% perf-profile.children.cycles-pp.main 0.09 ± 3% +0.1 0.15 ± 4% perf-profile.children.cycles-pp.run_builtin 0.08 ± 6% +0.1 0.14 ± 4% perf-profile.children.cycles-pp.perf_mmap__push 0.07 ± 4% +0.1 0.13 ± 3% perf-profile.children.cycles-pp.record__pushfn 0.07 ± 4% +0.1 0.13 ± 3% perf-profile.children.cycles-pp.writen 0.06 +0.1 0.13 ± 5% perf-profile.children.cycles-pp.shmem_file_write_iter 0.00 +0.1 0.10 ± 4% perf-profile.children.cycles-pp.shmem_alloc_and_add_folio 0.00 +0.1 0.11 ± 6% perf-profile.children.cycles-pp.shmem_get_folio_gfp 0.00 +0.1 0.11 ± 6% perf-profile.children.cycles-pp.shmem_write_begin 2.45 +0.2 2.70 perf-profile.children.cycles-pp.lru_add_drain_cpu 4.86 +0.7 5.54 perf-profile.children.cycles-pp.__folio_batch_release 27.93 +0.9 28.79 perf-profile.children.cycles-pp.ksys_read 27.50 +1.1 28.56 perf-profile.children.cycles-pp.vfs_read 25.97 +1.8 27.81 perf-profile.children.cycles-pp.filemap_read 92.83 +3.3 96.09 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 92.42 +3.5 95.88 perf-profile.children.cycles-pp.do_syscall_64 30.73 +3.9 34.66 perf-profile.children.cycles-pp.write 21.08 +4.1 25.15 perf-profile.children.cycles-pp.folio_mark_accessed 19.70 +4.6 24.33 perf-profile.children.cycles-pp.folio_activate 27.83 +5.3 33.14 perf-profile.children.cycles-pp.ksys_write 27.36 +5.5 32.89 perf-profile.children.cycles-pp.vfs_write 25.87 +5.6 31.48 perf-profile.children.cycles-pp.__close 25.86 +5.6 31.46 perf-profile.children.cycles-pp.__x64_sys_close 25.84 +5.6 31.46 perf-profile.children.cycles-pp.__fput 25.83 +5.6 31.45 perf-profile.children.cycles-pp.dput 25.82 +5.6 31.44 perf-profile.children.cycles-pp.__dentry_kill 25.79 +5.6 31.43 perf-profile.children.cycles-pp.evict 25.78 +5.6 31.42 perf-profile.children.cycles-pp.ext4_evict_inode 25.64 +5.7 31.34 perf-profile.children.cycles-pp.truncate_inode_pages_range 18.31 +6.0 24.35 perf-profile.children.cycles-pp.folios_put_refs 17.78 +6.3 24.04 perf-profile.children.cycles-pp.__page_cache_release 25.54 +6.4 31.96 perf-profile.children.cycles-pp.ext4_buffered_write_iter 23.87 ± 2% +7.4 31.23 perf-profile.children.cycles-pp.generic_perform_write 17.93 ± 3% +10.0 27.97 perf-profile.children.cycles-pp.ext4_da_write_begin 13.75 ± 4% +12.0 25.77 perf-profile.children.cycles-pp.__filemap_get_folio 11.78 ± 5% +13.0 24.77 perf-profile.children.cycles-pp.filemap_add_folio 10.41 ± 6% +13.5 23.96 perf-profile.children.cycles-pp.folio_add_lru 34.89 ± 2% +18.9 53.82 perf-profile.children.cycles-pp.folio_batch_move_lru 51.11 +25.1 76.23 perf-profile.children.cycles-pp._raw_spin_lock_irqsave 51.02 +25.2 76.18 perf-profile.children.cycles-pp.folio_lruvec_lock_irqsave 50.98 +25.3 76.24 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 7.25 ± 9% -6.7 0.53 ± 14% perf-profile.self.cycles-pp.osq_lock 3.09 -1.4 1.65 ± 2% perf-profile.self.cycles-pp.clear_bhb_loop 1.79 -0.7 1.07 ± 2% perf-profile.self.cycles-pp._copy_to_iter 1.14 -0.5 0.61 ± 2% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 1.20 -0.5 0.70 ± 2% perf-profile.self.cycles-pp.memset_orig 1.06 -0.5 0.57 ± 2% perf-profile.self.cycles-pp.copy_page_from_iter_atomic 0.97 -0.5 0.51 ± 2% perf-profile.self.cycles-pp.filemap_read 0.94 ± 2% -0.4 0.51 ± 3% perf-profile.self.cycles-pp.__fdget_pos 0.86 ± 4% -0.4 0.45 ± 3% perf-profile.self.cycles-pp.workingset_age_nonresident 0.75 ± 2% -0.4 0.38 ± 3% perf-profile.self.cycles-pp.vfs_write 0.89 -0.3 0.55 ± 2% perf-profile.self.cycles-pp.__block_commit_write 0.54 ± 3% -0.3 0.21 ± 4% perf-profile.self.cycles-pp.percpu_counter_add_batch 0.50 ± 3% -0.3 0.20 ± 3% perf-profile.self.cycles-pp.balance_dirty_pages_ratelimited_flags 0.63 -0.3 0.33 ± 2% perf-profile.self.cycles-pp.vfs_read 0.57 -0.3 0.29 ± 2% perf-profile.self.cycles-pp.do_syscall_64 0.61 -0.3 0.33 ± 2% perf-profile.self.cycles-pp.filemap_get_read_batch 0.58 ± 2% -0.3 0.31 ± 3% perf-profile.self.cycles-pp.fault_in_readable 0.37 ± 3% -0.3 0.10 ± 4% perf-profile.self.cycles-pp.rwsem_spin_on_owner 0.56 -0.3 0.29 ± 3% perf-profile.self.cycles-pp.xas_load 0.38 ± 6% -0.3 0.13 ± 4% perf-profile.self.cycles-pp.ext4_file_write_iter 0.48 ± 2% -0.2 0.24 ± 4% perf-profile.self.cycles-pp.__mod_memcg_lruvec_state 0.35 ± 5% -0.2 0.13 ± 5% perf-profile.self.cycles-pp.ext4_file_read_iter 0.46 ± 2% -0.2 0.24 ± 2% perf-profile.self.cycles-pp.write 0.45 ± 2% -0.2 0.23 ± 6% perf-profile.self.cycles-pp.disk_rr 0.39 ± 3% -0.2 0.18 ± 4% perf-profile.self.cycles-pp.apparmor_file_permission 0.36 ± 4% -0.2 0.15 ± 4% perf-profile.self.cycles-pp.ext4_da_write_begin 0.44 -0.2 0.23 ± 2% perf-profile.self.cycles-pp.ext4_da_write_end 0.44 -0.2 0.23 ± 2% perf-profile.self.cycles-pp.__filemap_get_folio 0.42 -0.2 0.21 ± 2% perf-profile.self.cycles-pp.entry_SYSCALL_64 0.42 ± 2% -0.2 0.22 ± 3% perf-profile.self.cycles-pp.generic_perform_write 0.40 -0.2 0.20 ± 2% perf-profile.self.cycles-pp.syscall_return_via_sysret 0.43 ± 2% -0.2 0.24 ± 3% perf-profile.self.cycles-pp.read 0.40 ± 2% -0.2 0.21 ± 3% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.41 -0.2 0.22 ± 3% perf-profile.self.cycles-pp.llseek 0.33 -0.2 0.17 ± 2% perf-profile.self.cycles-pp.ext4_block_write_begin 0.33 ± 2% -0.2 0.17 ± 3% perf-profile.self.cycles-pp.__cond_resched 0.28 ± 2% -0.2 0.13 ± 3% perf-profile.self.cycles-pp.atime_needs_update 0.30 ± 2% -0.1 0.16 ± 3% perf-profile.self.cycles-pp.syscall_exit_to_user_mode 0.30 -0.1 0.16 ± 4% perf-profile.self.cycles-pp.filemap_get_entry 0.30 -0.1 0.16 ± 3% perf-profile.self.cycles-pp._raw_spin_lock 0.28 -0.1 0.14 ± 4% perf-profile.self.cycles-pp.folio_mark_accessed 0.27 -0.1 0.14 ± 2% perf-profile.self.cycles-pp.mark_buffer_dirty 0.26 -0.1 0.14 ± 3% perf-profile.self.cycles-pp.ext4_da_map_blocks 0.25 -0.1 0.13 ± 3% perf-profile.self.cycles-pp.down_write 0.25 -0.1 0.14 ± 2% perf-profile.self.cycles-pp.x64_sys_call 0.27 ± 2% -0.1 0.16 ± 2% perf-profile.self.cycles-pp.block_invalidate_folio 0.24 ± 2% -0.1 0.12 ± 3% perf-profile.self.cycles-pp.up_write 0.16 ± 4% -0.1 0.06 ± 7% perf-profile.self.cycles-pp.ext4_nonda_switch 0.20 ± 2% -0.1 0.10 perf-profile.self.cycles-pp.inode_needs_update_time 0.21 ± 2% -0.1 0.11 perf-profile.self.cycles-pp.folio_unlock 0.23 -0.1 0.13 ± 3% perf-profile.self.cycles-pp.xas_store 0.21 ± 2% -0.1 0.11 perf-profile.self.cycles-pp.xas_start 0.20 ± 2% -0.1 0.10 ± 4% perf-profile.self.cycles-pp.filemap_get_pages 0.20 ± 2% -0.1 0.10 ± 4% perf-profile.self.cycles-pp.security_file_permission 0.20 ± 4% -0.1 0.10 ± 4% perf-profile.self.cycles-pp.rcu_all_qs 0.22 -0.1 0.12 ± 3% perf-profile.self.cycles-pp.folios_put_refs 0.20 ± 2% -0.1 0.11 ± 3% perf-profile.self.cycles-pp.__slab_free 0.18 -0.1 0.09 ± 3% perf-profile.self.cycles-pp.__filemap_add_folio 0.17 ± 2% -0.1 0.09 ± 4% perf-profile.self.cycles-pp.ext4_buffered_write_iter 0.18 ± 2% -0.1 0.09 ± 5% perf-profile.self.cycles-pp.rw_verify_area 0.17 -0.1 0.09 ± 4% perf-profile.self.cycles-pp.__mod_node_page_state 0.16 ± 3% -0.1 0.08 ± 3% perf-profile.self.cycles-pp.aa_file_perm 0.15 -0.1 0.07 ± 6% perf-profile.self.cycles-pp.syscall_exit_to_user_mode_prepare 0.16 ± 2% -0.1 0.09 ± 3% perf-profile.self.cycles-pp.cgroup_rstat_updated 0.15 ± 3% -0.1 0.08 ± 4% perf-profile.self.cycles-pp.current_time 0.15 ± 3% -0.1 0.08 ± 3% perf-profile.self.cycles-pp.ksys_write 0.15 ± 6% -0.1 0.07 ± 6% perf-profile.self.cycles-pp.ktime_get_coarse_real_ts64 0.15 ± 2% -0.1 0.08 perf-profile.self.cycles-pp.generic_write_checks 0.15 ± 4% -0.1 0.08 ± 6% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook 0.15 ± 3% -0.1 0.08 ± 4% perf-profile.self.cycles-pp.copy_page_to_iter 0.15 ± 3% -0.1 0.08 ± 4% perf-profile.self.cycles-pp.ksys_read 0.18 ± 2% -0.1 0.11 ± 3% perf-profile.self.cycles-pp.mod_objcg_state 0.13 -0.1 0.06 ± 7% perf-profile.self.cycles-pp.__radix_tree_lookup 0.13 ± 3% -0.1 0.06 ± 4% perf-profile.self.cycles-pp.__alloc_pages_noprof 0.15 ± 2% -0.1 0.09 ± 5% perf-profile.self.cycles-pp.find_lock_entries 0.14 -0.1 0.08 ± 6% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.13 ± 5% -0.1 0.07 ± 7% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.12 ± 2% -0.1 0.06 perf-profile.self.cycles-pp.node_dirty_ok 0.12 -0.1 0.06 ± 6% perf-profile.self.cycles-pp.ksys_lseek 0.09 -0.1 0.03 ± 75% perf-profile.self.cycles-pp.ext4_es_lookup_extent 0.12 -0.1 0.06 ± 7% perf-profile.self.cycles-pp.create_empty_buffers 0.12 ± 4% -0.1 0.06 perf-profile.self.cycles-pp.__dquot_alloc_space 0.10 ± 3% -0.1 0.05 ± 31% perf-profile.self.cycles-pp.folio_account_dirtied 0.12 ± 4% -0.1 0.06 ± 4% perf-profile.self.cycles-pp.jbd2_journal_grab_journal_head 0.09 -0.1 0.04 ± 61% perf-profile.self.cycles-pp.file_modified 0.11 ± 4% -0.1 0.05 ± 8% perf-profile.self.cycles-pp.ext4_llseek 0.10 ± 4% -0.1 0.05 perf-profile.self.cycles-pp.__count_memcg_events 0.11 ± 4% -0.1 0.06 ± 8% perf-profile.self.cycles-pp.generic_write_check_limits 0.10 ± 5% -0.1 0.05 perf-profile.self.cycles-pp.block_write_end 0.10 ± 5% -0.1 0.05 perf-profile.self.cycles-pp.file_remove_privs_flags 0.10 -0.1 0.05 perf-profile.self.cycles-pp.get_page_from_freelist 0.12 ± 4% -0.0 0.07 ± 6% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack 0.12 -0.0 0.07 ± 5% perf-profile.self.cycles-pp.drop_buffers 0.10 ± 5% -0.0 0.05 perf-profile.self.cycles-pp.timestamp_truncate 0.10 ± 5% -0.0 0.05 ± 5% perf-profile.self.cycles-pp.folio_account_cleaned 0.10 ± 4% -0.0 0.06 ± 8% perf-profile.self.cycles-pp.kmem_cache_free 0.11 ± 9% -0.0 0.07 ± 8% perf-profile.self.cycles-pp.mem_cgroup_update_lru_size 0.10 ± 4% -0.0 0.07 perf-profile.self.cycles-pp.__memcg_slab_free_hook 0.09 ± 5% -0.0 0.06 ± 4% perf-profile.self.cycles-pp.try_charge_memcg 0.10 ± 4% -0.0 0.07 ± 5% perf-profile.self.cycles-pp.__page_cache_release 0.23 ± 3% -0.0 0.21 ± 2% perf-profile.self.cycles-pp.xas_find_conflict 0.25 ± 2% +0.0 0.28 ± 4% perf-profile.self.cycles-pp.folio_activate_fn 0.17 ± 3% +0.1 0.26 perf-profile.self.cycles-pp.lru_add_fn 0.51 ± 2% +0.1 0.63 ± 3% perf-profile.self.cycles-pp.__lruvec_stat_mod_folio 0.30 ± 5% +0.2 0.51 ± 2% perf-profile.self.cycles-pp.folio_batch_move_lru 50.97 +25.3 76.24 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 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