On Fri, Jan 19, 2024 at 4:00 PM Marco Elver <elver@xxxxxxxxxx> wrote: > I was afraid this would happen - could you try this patch series: > https://lore.kernel.org/all/20240118110216.2539519-2-elver@xxxxxxxxxx/ [1] Thanks, this patch series definitely helped. I can again work at the computer when something is compiling in the background. Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@xxxxxxxxx> > In addition, could you give some additional details about the number > of CPUs in your system? Hardware probe: https://linux-hardware.org/?probe=ba941d7a4e CPU: AMD Ryzen 7950x > And if possible, do you have a way to measure performance besides the > obvious lagging of the system? It would be interesting to know if the > fix in [1] regains performance fully. perf-2d5524635b00.data - https://mega.nz/file/Q0ACSI4a#QQ8Ntbw5zvP_YZMsXPzSr-PxLVCw8fwg2RJaVOghoOQ perf-773688a6cb24.data - https://mega.nz/file/F8wAgBZI#OQ75qLFyf2diFXrDs9bP6_5xDevVrs1KlNdeupWSJSQ perf-with-patchset.data - https://mega.nz/file/l8ZXnI6Y#SmrZpH2Em6xzlIZgJe50PwSw-zLK_4whRjx3t_058kE > perf diff perf-2d5524635b00.data perf-773688a6cb24.data No kallsyms or vmlinux with build-id c64a03a51e9503a251dbec8e5267fb3ae51914f2 was found # Event 'cycles:P' # # Baseline Delta Abs Shared Object Symbol > # ........ ......... .............................................. ......................................................................................................................................................................> # 59.91% +23.05% [kernel.vmlinux] [k] 0xffffffff940065c0 17.88% -7.89% cc1 [.] 0x0000000000207020 9.39% -6.30% cc1plus [.] 0x0000000000225110 1.37% -1.29% libpython3.12.so.1.0 [.] 0x00000000000647e0 1.16% -0.84% libcef.so [.] 0x00000000021720e0 1.27% -0.67% as [.] 0x0000000000002090 0.78% -0.54% steamclient.so [.] 0x00000000001ed915 0.77% -0.33% chrome [.] 0x0000000002892080 0.54% -0.32% libc.so.6 [.] _int_malloc 0.30% -0.23% libpixman-1.so.0.43.0 [.] 0x00000000000078a7 0.31% -0.19% libc.so.6 [.] _int_free > perf diff perf-2d5524635b00.data perf-with-patchset.data # Event 'cycles:P' # # Baseline Delta Abs Shared Object Symbol > # ........ ......... .............................................. ......................................................................................................................................................................> # 17.88% +12.61% cc1 [.] 0x0000000000207020 +3.89% [kernel.vmlinux] [k] unwind_next_frame +3.53% [kernel.vmlinux] [k] kasan_check_range +2.54% [kernel.vmlinux] [k] debug_check_no_obj_freed 9.39% +2.10% cc1plus [.] 0x0000000000225110 +1.87% [kernel.vmlinux] [k] rcu_is_watching +1.41% [kernel.vmlinux] [k] lock_release +1.24% [kernel.vmlinux] [k] __orc_find +1.21% [kernel.vmlinux] [k] lock_acquire +1.08% [kernel.vmlinux] [k] stack_trace_consume_entry +1.08% [kernel.vmlinux] [k] check_preemption_disabled 1.37% +1.01% libpython3.12.so.1.0 [.] 0x00000000000647e0 +0.96% [kernel.vmlinux] [k] stack_access_ok 1.27% +0.79% as [.] 0x0000000000002090 Thanks! -- Best Regards, Mike Gavrilov.