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Message-ID: <202504171513.6d6f8a16-lkp@intel.com>
Date: Thu, 17 Apr 2025 16:23:37 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Mateusz Guzik <mjguzik@...il.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-kernel@...r.kernel.org>,
Christian Brauner <brauner@...nel.org>, <linux-fsdevel@...r.kernel.org>,
<oliver.sang@...el.com>
Subject: [linus:master] [fs] a914bd93f3: stress-ng.close.close_calls_per_sec
52.2% regression
Hello,
kernel test robot noticed a 52.2% regression of stress-ng.close.close_calls_per_sec on:
commit: a914bd93f3edfedcdd59deb615e8dd1b3643cac5 ("fs: use fput_close() in filp_close()")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
[still regression on linus/master 7cdabafc001202de9984f22c973305f424e0a8b7]
[still regression on linux-next/master 01c6df60d5d4ae00cd5c1648818744838bba7763]
testcase: stress-ng
config: x86_64-rhel-9.4
compiler: gcc-12
test machine: 192 threads 2 sockets Intel(R) Xeon(R) Platinum 8468V CPU @ 2.4GHz (Sapphire Rapids) with 384G memory
parameters:
nr_threads: 100%
testtime: 60s
test: close
cpufreq_governor: performance
the data is not very stable, but the regression trend seems clear.
a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json: "stress-ng.close.close_calls_per_sec": [
a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 193538.65,
a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 232133.85,
a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 276146.66,
a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 193345.38,
a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 209411.34,
a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- 254782.41
a914bd93f3edfedcdd59deb615e8dd1b3643cac5/matrix.json- ],
3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json: "stress-ng.close.close_calls_per_sec": [
3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 427893.13,
3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 456267.6,
3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 509121.02,
3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 544289.08,
3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 354004.06,
3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- 552310.73
3e46a92a27c2927fcef996ba06cbe299da629c28/matrix.json- ],
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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202504171513.6d6f8a16-lkp@intel.com
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250417/202504171513.6d6f8a16-lkp@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-12/performance/x86_64-rhel-9.4/100%/debian-12-x86_64-20240206.cgz/igk-spr-2sp1/close/stress-ng/60s
commit:
3e46a92a27 ("fs: use fput_close_sync() in close()")
a914bd93f3 ("fs: use fput_close() in filp_close()")
3e46a92a27c2927f a914bd93f3edfedcdd59deb615e
---------------- ---------------------------
%stddev %change %stddev
\ | \
355470 ± 14% -17.6% 292767 ± 7% cpuidle..usage
5.19 -0.6 4.61 ± 3% mpstat.cpu.all.usr%
495615 ± 7% -38.5% 304839 ± 8% vmstat.system.cs
780096 ± 5% -23.5% 596446 ± 3% vmstat.system.in
2512168 ± 17% -45.8% 1361659 ± 71% sched_debug.cfs_rq:/.avg_vruntime.min
2512168 ± 17% -45.8% 1361659 ± 71% sched_debug.cfs_rq:/.min_vruntime.min
700402 ± 2% +19.8% 838744 ± 10% sched_debug.cpu.avg_idle.avg
81230 ± 6% -59.6% 32788 ± 69% sched_debug.cpu.nr_switches.avg
27992 ± 20% -70.2% 8345 ± 74% sched_debug.cpu.nr_switches.min
473980 ± 14% -52.2% 226559 ± 13% stress-ng.close.close_calls_per_sec
4004843 ± 8% -21.1% 3161813 ± 8% stress-ng.time.involuntary_context_switches
9475 +1.1% 9582 stress-ng.time.system_time
183.50 ± 2% -37.8% 114.20 ± 3% stress-ng.time.user_time
25637892 ± 6% -42.6% 14725385 ± 9% stress-ng.time.voluntary_context_switches
23.01 ± 2% -1.4 21.61 ± 3% perf-stat.i.cache-miss-rate%
17981659 -10.8% 16035508 ± 4% perf-stat.i.cache-misses
77288888 ± 2% -6.5% 72260357 ± 4% perf-stat.i.cache-references
504949 ± 6% -38.1% 312536 ± 8% perf-stat.i.context-switches
33030 +15.7% 38205 ± 4% perf-stat.i.cycles-between-cache-misses
4.34 ± 10% -38.3% 2.68 ± 20% perf-stat.i.metric.K/sec
26229 ± 44% +37.8% 36145 ± 4% perf-stat.overall.cycles-between-cache-misses
30.09 -12.8 17.32 perf-profile.calltrace.cycles-pp.filp_flush.filp_close.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe
9.32 -9.3 0.00 perf-profile.calltrace.cycles-pp.fput.filp_close.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe
41.15 -5.9 35.26 perf-profile.calltrace.cycles-pp.__dup2
41.02 -5.9 35.17 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__dup2
41.03 -5.8 35.18 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__dup2
13.86 -5.5 8.35 perf-profile.calltrace.cycles-pp.filp_flush.filp_close.do_dup2.__x64_sys_dup2.do_syscall_64
40.21 -5.5 34.71 perf-profile.calltrace.cycles-pp.__x64_sys_dup2.do_syscall_64.entry_SYSCALL_64_after_hwframe.__dup2
38.01 -4.9 33.10 perf-profile.calltrace.cycles-pp.do_dup2.__x64_sys_dup2.do_syscall_64.entry_SYSCALL_64_after_hwframe.__dup2
4.90 ± 2% -1.9 2.96 ± 3% perf-profile.calltrace.cycles-pp.locks_remove_posix.filp_flush.filp_close.__do_sys_close_range.do_syscall_64
2.63 ± 9% -1.9 0.76 ± 18% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.filp_flush.filp_close.__do_sys_close_range.do_syscall_64
4.44 -1.7 2.76 ± 2% perf-profile.calltrace.cycles-pp.dnotify_flush.filp_flush.filp_close.__do_sys_close_range.do_syscall_64
2.50 ± 2% -0.9 1.56 ± 3% perf-profile.calltrace.cycles-pp.locks_remove_posix.filp_flush.filp_close.do_dup2.__x64_sys_dup2
2.22 -0.8 1.42 ± 2% perf-profile.calltrace.cycles-pp.dnotify_flush.filp_flush.filp_close.do_dup2.__x64_sys_dup2
1.66 ± 5% -0.3 1.37 ± 5% perf-profile.calltrace.cycles-pp.ksys_dup3.__x64_sys_dup2.do_syscall_64.entry_SYSCALL_64_after_hwframe.__dup2
1.60 ± 5% -0.3 1.32 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock.ksys_dup3.__x64_sys_dup2.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.58 ± 2% +0.0 0.62 ± 2% perf-profile.calltrace.cycles-pp.do_read_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
0.54 ± 2% +0.0 0.58 ± 2% perf-profile.calltrace.cycles-pp.filemap_map_pages.do_read_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault
0.72 ± 4% +0.1 0.79 ± 4% perf-profile.calltrace.cycles-pp._raw_spin_lock.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
0.00 +1.8 1.79 ± 5% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.fput_close.filp_close.__do_sys_close_range.do_syscall_64
19.11 +4.4 23.49 perf-profile.calltrace.cycles-pp.filp_close.do_dup2.__x64_sys_dup2.do_syscall_64.entry_SYSCALL_64_after_hwframe
40.94 +6.5 47.46 perf-profile.calltrace.cycles-pp.filp_close.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
42.24 +6.6 48.79 perf-profile.calltrace.cycles-pp.syscall
42.14 +6.6 48.72 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall
42.14 +6.6 48.72 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
41.86 +6.6 48.46 perf-profile.calltrace.cycles-pp.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
0.00 +14.6 14.60 ± 2% perf-profile.calltrace.cycles-pp.fput_close.filp_close.do_dup2.__x64_sys_dup2.do_syscall_64
0.00 +29.0 28.95 ± 2% perf-profile.calltrace.cycles-pp.fput_close.filp_close.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe
45.76 -19.0 26.72 perf-profile.children.cycles-pp.filp_flush
14.67 -14.7 0.00 perf-profile.children.cycles-pp.fput
41.20 -5.9 35.30 perf-profile.children.cycles-pp.__dup2
40.21 -5.5 34.71 perf-profile.children.cycles-pp.__x64_sys_dup2
38.53 -5.2 33.33 perf-profile.children.cycles-pp.do_dup2
7.81 ± 2% -3.1 4.74 ± 3% perf-profile.children.cycles-pp.locks_remove_posix
7.03 -2.6 4.40 ± 2% perf-profile.children.cycles-pp.dnotify_flush
1.24 ± 3% -0.4 0.86 ± 4% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
1.67 ± 5% -0.3 1.37 ± 5% perf-profile.children.cycles-pp.ksys_dup3
0.29 -0.1 0.22 ± 2% perf-profile.children.cycles-pp.update_load_avg
0.10 ± 10% -0.1 0.05 ± 46% perf-profile.children.cycles-pp.__x64_sys_fcntl
0.17 ± 7% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.entry_SYSCALL_64
0.15 ± 3% -0.0 0.10 ± 18% perf-profile.children.cycles-pp.clockevents_program_event
0.06 ± 11% -0.0 0.02 ± 99% perf-profile.children.cycles-pp.stress_close_func
0.13 ± 5% -0.0 0.10 ± 7% perf-profile.children.cycles-pp.__switch_to
0.06 ± 7% -0.0 0.04 ± 71% perf-profile.children.cycles-pp.lapic_next_deadline
0.11 ± 3% -0.0 0.09 ± 5% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq
0.06 ± 6% +0.0 0.08 ± 6% perf-profile.children.cycles-pp.__folio_batch_add_and_move
0.26 ± 2% +0.0 0.28 ± 3% perf-profile.children.cycles-pp.folio_remove_rmap_ptes
0.08 ± 4% +0.0 0.11 ± 10% perf-profile.children.cycles-pp.set_pte_range
0.45 ± 2% +0.0 0.48 ± 2% perf-profile.children.cycles-pp.zap_present_ptes
0.18 ± 3% +0.0 0.21 ± 4% perf-profile.children.cycles-pp.folios_put_refs
0.29 ± 3% +0.0 0.32 ± 3% perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages
0.29 ± 3% +0.0 0.32 ± 3% perf-profile.children.cycles-pp.free_pages_and_swap_cache
0.34 ± 4% +0.0 0.38 ± 3% perf-profile.children.cycles-pp.tlb_finish_mmu
0.24 ± 3% +0.0 0.27 ± 5% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
0.73 ± 2% +0.0 0.78 ± 2% perf-profile.children.cycles-pp.do_read_fault
0.69 ± 2% +0.0 0.74 ± 2% perf-profile.children.cycles-pp.filemap_map_pages
42.26 +6.5 48.80 perf-profile.children.cycles-pp.syscall
41.86 +6.6 48.46 perf-profile.children.cycles-pp.__do_sys_close_range
60.05 +10.9 70.95 perf-profile.children.cycles-pp.filp_close
0.00 +44.5 44.55 ± 2% perf-profile.children.cycles-pp.fput_close
14.31 ± 2% -14.3 0.00 perf-profile.self.cycles-pp.fput
30.12 ± 2% -13.0 17.09 perf-profile.self.cycles-pp.filp_flush
19.17 ± 2% -9.5 9.68 ± 3% perf-profile.self.cycles-pp.do_dup2
7.63 ± 3% -3.0 4.62 ± 4% perf-profile.self.cycles-pp.locks_remove_posix
6.86 ± 3% -2.6 4.28 ± 3% perf-profile.self.cycles-pp.dnotify_flush
0.64 ± 4% -0.4 0.26 ± 4% perf-profile.self.cycles-pp.syscall_exit_to_user_mode
0.22 ± 10% -0.1 0.15 ± 11% perf-profile.self.cycles-pp.x64_sys_call
0.23 ± 3% -0.1 0.17 ± 8% perf-profile.self.cycles-pp.__schedule
0.08 ± 19% -0.1 0.03 ±100% perf-profile.self.cycles-pp.pick_eevdf
0.06 ± 7% -0.0 0.03 ±100% perf-profile.self.cycles-pp.lapic_next_deadline
0.13 ± 7% -0.0 0.10 ± 10% perf-profile.self.cycles-pp.__switch_to
0.09 ± 8% -0.0 0.06 ± 8% perf-profile.self.cycles-pp.__update_load_avg_se
0.08 ± 4% -0.0 0.05 ± 7% perf-profile.self.cycles-pp.asm_sysvec_apic_timer_interrupt
0.08 ± 9% -0.0 0.06 ± 11% perf-profile.self.cycles-pp.entry_SYSCALL_64
0.06 ± 7% +0.0 0.08 ± 8% perf-profile.self.cycles-pp.filemap_map_pages
0.12 ± 3% +0.0 0.14 ± 4% perf-profile.self.cycles-pp.folios_put_refs
0.25 ± 2% +0.0 0.27 ± 3% perf-profile.self.cycles-pp.folio_remove_rmap_ptes
0.17 ± 5% +0.0 0.20 ± 6% perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.00 +0.1 0.07 ± 5% perf-profile.self.cycles-pp.do_nanosleep
0.00 +0.1 0.10 ± 15% perf-profile.self.cycles-pp.filp_close
0.00 +43.9 43.86 ± 2% perf-profile.self.cycles-pp.fput_close
2.12 ± 47% +151.1% 5.32 ± 28% perf-sched.sch_delay.avg.ms.__cond_resched.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.28 ± 60% +990.5% 3.08 ± 53% perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_cache_noprof.do_eventfd.__x64_sys_eventfd2.do_syscall_64
0.96 ± 28% +35.5% 1.30 ± 25% perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_noprof.load_elf_phdrs.load_elf_binary.exec_binprm
2.56 ± 43% +964.0% 27.27 ±161% perf-sched.sch_delay.avg.ms.__cond_resched.dput.open_last_lookups.path_openat.do_filp_open
12.80 ±139% +366.1% 59.66 ±107% perf-sched.sch_delay.avg.ms.__cond_resched.dput.shmem_unlink.vfs_unlink.do_unlinkat
2.78 ± 25% +50.0% 4.17 ± 19% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_lru_noprof.__d_alloc.d_alloc_cursor.dcache_dir_open
0.78 ± 18% +39.3% 1.09 ± 19% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.vma_shrink
2.63 ± 10% +16.7% 3.07 ± 4% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_alloc.__mmap_new_vma.__mmap_region
0.04 ±223% +3483.1% 1.38 ± 67% perf-sched.sch_delay.avg.ms.__cond_resched.netlink_release.__sock_release.sock_close.__fput
0.72 ± 17% +42.5% 1.02 ± 22% perf-sched.sch_delay.avg.ms.__cond_resched.stop_one_cpu.sched_exec.bprm_execve.part
0.35 ±134% +457.7% 1.94 ± 61% perf-sched.sch_delay.avg.ms.__cond_resched.task_numa_work.task_work_run.syscall_exit_to_user_mode.do_syscall_64
1.88 ± 34% +574.9% 12.69 ±115% perf-sched.sch_delay.avg.ms.__cond_resched.task_work_run.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.41 ± 10% +18.0% 2.84 ± 9% perf-sched.sch_delay.avg.ms.__cond_resched.wp_page_copy.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
1.85 ± 36% +155.6% 4.73 ± 50% perf-sched.sch_delay.avg.ms.io_schedule.folio_wait_bit_common.__do_fault.do_read_fault
28.94 ± 26% -52.4% 13.78 ± 36% perf-sched.sch_delay.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
2.24 ± 9% +22.1% 2.74 ± 8% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_file_vma_batch_final
2.19 ± 7% +17.3% 2.57 ± 6% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.vma_link_file
2.39 ± 6% +16.4% 2.79 ± 9% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.vma_prepare
0.34 ± 77% +1931.5% 6.95 ± 99% perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_cache_noprof.do_eventfd.__x64_sys_eventfd2.do_syscall_64
29.69 ± 28% +129.5% 68.12 ± 28% perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_cache_noprof.perf_event_mmap_event.perf_event_mmap.__mmap_region
1.48 ± 96% +284.6% 5.68 ± 56% perf-sched.sch_delay.max.ms.__cond_resched.copy_strings_kernel.kernel_execve.call_usermodehelper_exec_async.ret_from_fork
3.59 ± 57% +124.5% 8.06 ± 45% perf-sched.sch_delay.max.ms.__cond_resched.down_read.mmap_read_lock_maybe_expand.get_arg_page.copy_string_kernel
3.39 ± 91% +112.0% 7.19 ± 44% perf-sched.sch_delay.max.ms.__cond_resched.down_read_killable.iterate_dir.__x64_sys_getdents64.do_syscall_64
22.16 ± 77% +117.4% 48.17 ± 34% perf-sched.sch_delay.max.ms.__cond_resched.down_write_killable.exec_mmap.begin_new_exec.load_elf_binary
8.72 ± 17% +358.5% 39.98 ± 61% perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.__mmap_new_vma
0.04 ±223% +3484.4% 1.38 ± 67% perf-sched.sch_delay.max.ms.__cond_resched.netlink_release.__sock_release.sock_close.__fput
0.53 ±154% +676.1% 4.12 ± 61% perf-sched.sch_delay.max.ms.__cond_resched.task_numa_work.task_work_run.syscall_exit_to_user_mode.do_syscall_64
25.76 ± 70% +9588.9% 2496 ±127% perf-sched.sch_delay.max.ms.__cond_resched.task_work_run.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
51.53 ± 26% -58.8% 21.22 ±106% perf-sched.sch_delay.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
4.97 ± 48% +154.8% 12.66 ± 75% perf-sched.sch_delay.max.ms.io_schedule.folio_wait_bit_common.__do_fault.do_read_fault
4.36 ± 48% +147.7% 10.81 ± 29% perf-sched.wait_and_delay.avg.ms.__cond_resched.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
108632 ± 4% +23.9% 134575 ± 6% perf-sched.wait_and_delay.count.__cond_resched.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
572.67 ± 6% +37.3% 786.17 ± 7% perf-sched.wait_and_delay.count.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
596.67 ± 12% +43.9% 858.50 ± 13% perf-sched.wait_and_delay.count.__cond_resched.__wait_for_common.wait_for_completion_state.call_usermodehelper_exec.__request_module
294.83 ± 9% +31.1% 386.50 ± 11% perf-sched.wait_and_delay.count.__cond_resched.dput.terminate_walk.path_openat.do_filp_open
1223275 ± 2% -17.7% 1006293 ± 6% perf-sched.wait_and_delay.count.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
2772 ± 11% +43.6% 3980 ± 11% perf-sched.wait_and_delay.count.do_wait.kernel_wait.call_usermodehelper_exec_work.process_one_work
11690 ± 7% +29.8% 15173 ± 10% perf-sched.wait_and_delay.count.io_schedule.folio_wait_bit_common.filemap_fault.__do_fault
4072 ±100% +163.7% 10737 ± 7% perf-sched.wait_and_delay.count.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown].[unknown]
8811 ± 6% +26.2% 11117 ± 9% perf-sched.wait_and_delay.count.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown]
662.17 ± 29% +187.8% 1905 ± 29% perf-sched.wait_and_delay.count.pipe_read.vfs_read.ksys_read.do_syscall_64
15.50 ± 11% +48.4% 23.00 ± 16% perf-sched.wait_and_delay.count.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
167.67 ± 20% +48.0% 248.17 ± 26% perf-sched.wait_and_delay.count.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.open_last_lookups
2680 ± 12% +42.5% 3820 ± 11% perf-sched.wait_and_delay.count.schedule_timeout.___down_common.__down_timeout.down_timeout
137.17 ± 13% +31.8% 180.83 ± 9% perf-sched.wait_and_delay.count.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp
2636 ± 12% +43.1% 3772 ± 12% perf-sched.wait_and_delay.count.schedule_timeout.__wait_for_common.wait_for_completion_state.call_usermodehelper_exec
10.50 ± 11% +74.6% 18.33 ± 23% perf-sched.wait_and_delay.count.schedule_timeout.kcompactd.kthread.ret_from_fork
5619 ± 5% +38.8% 7797 ± 9% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
70455 ± 4% +32.3% 93197 ± 6% perf-sched.wait_and_delay.count.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
6990 ± 4% +37.4% 9603 ± 9% perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
191.28 ±124% +1455.2% 2974 ±100% perf-sched.wait_and_delay.max.ms.__cond_resched.dput.path_openat.do_filp_open.do_sys_openat2
2.24 ± 48% +144.6% 5.48 ± 29% perf-sched.wait_time.avg.ms.__cond_resched.__do_sys_close_range.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
8.06 ±101% +618.7% 57.94 ± 68% perf-sched.wait_time.avg.ms.__cond_resched.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.28 ±146% +370.9% 1.30 ± 64% perf-sched.wait_time.avg.ms.__cond_resched.down_write.__split_vma.vms_gather_munmap_vmas.do_vmi_align_munmap
3.86 ± 5% +86.0% 7.18 ± 44% perf-sched.wait_time.avg.ms.__cond_resched.down_write.free_pgtables.exit_mmap.__mmput
2.54 ± 29% +51.6% 3.85 ± 12% perf-sched.wait_time.avg.ms.__cond_resched.down_write_killable.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.11 ± 39% +201.6% 3.36 ± 47% perf-sched.wait_time.avg.ms.__cond_resched.down_write_killable.exec_mmap.begin_new_exec.load_elf_binary
3.60 ± 68% +1630.2% 62.29 ±153% perf-sched.wait_time.avg.ms.__cond_resched.dput.step_into.link_path_walk.part
0.20 ± 64% +115.4% 0.42 ± 42% perf-sched.wait_time.avg.ms.__cond_resched.filemap_read.__kernel_read.load_elf_binary.exec_binprm
55.51 ± 53% +218.0% 176.54 ± 83% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.security_inode_alloc.inode_init_always_gfp.alloc_inode
3.22 ± 3% +15.4% 3.72 ± 9% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_dup.__split_vma.vms_gather_munmap_vmas
0.04 ±223% +37562.8% 14.50 ±198% perf-sched.wait_time.avg.ms.__cond_resched.netlink_release.__sock_release.sock_close.__fput
1.19 ± 30% +59.3% 1.90 ± 34% perf-sched.wait_time.avg.ms.__cond_resched.remove_vma.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap
0.36 ±133% +447.8% 1.97 ± 60% perf-sched.wait_time.avg.ms.__cond_resched.task_numa_work.task_work_run.syscall_exit_to_user_mode.do_syscall_64
1.73 ± 47% +165.0% 4.58 ± 51% perf-sched.wait_time.avg.ms.io_schedule.folio_wait_bit_common.__do_fault.do_read_fault
1.10 ± 21% +693.9% 8.70 ± 70% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_call_function_single.[unknown]
54.56 ± 32% +400.2% 272.90 ± 67% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
10.87 ± 18% +151.7% 27.36 ± 68% perf-sched.wait_time.max.ms.__cond_resched.__anon_vma_prepare.__vmf_anon_prepare.do_pte_missing.__handle_mm_fault
123.35 ±181% +1219.3% 1627 ± 82% perf-sched.wait_time.max.ms.__cond_resched.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
9.68 ±108% +5490.2% 541.19 ±185% perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_cache_noprof.do_epoll_create.__x64_sys_epoll_create.do_syscall_64
3.39 ± 91% +112.0% 7.19 ± 44% perf-sched.wait_time.max.ms.__cond_resched.down_read_killable.iterate_dir.__x64_sys_getdents64.do_syscall_64
1.12 ±128% +407.4% 5.67 ± 52% perf-sched.wait_time.max.ms.__cond_resched.down_write.__split_vma.vms_gather_munmap_vmas.do_vmi_align_munmap
30.58 ± 29% +1741.1% 563.04 ± 80% perf-sched.wait_time.max.ms.__cond_resched.down_write.free_pgtables.exit_mmap.__mmput
3.82 ±114% +232.1% 12.70 ± 49% perf-sched.wait_time.max.ms.__cond_resched.down_write.vms_gather_munmap_vmas.__mmap_prepare.__mmap_region
7.75 ± 46% +72.4% 13.36 ± 32% perf-sched.wait_time.max.ms.__cond_resched.down_write_killable.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe
13.39 ± 48% +259.7% 48.17 ± 34% perf-sched.wait_time.max.ms.__cond_resched.down_write_killable.exec_mmap.begin_new_exec.load_elf_binary
12.46 ± 30% +90.5% 23.73 ± 34% perf-sched.wait_time.max.ms.__cond_resched.down_write_killable.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64
479.90 ± 78% +496.9% 2864 ±141% perf-sched.wait_time.max.ms.__cond_resched.dput.open_last_lookups.path_openat.do_filp_open
185.75 ±116% +875.0% 1811 ± 84% perf-sched.wait_time.max.ms.__cond_resched.dput.path_openat.do_filp_open.do_sys_openat2
2.52 ± 44% +105.2% 5.18 ± 36% perf-sched.wait_time.max.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_alloc.alloc_bprm.kernel_execve
0.04 ±223% +37564.1% 14.50 ±198% perf-sched.wait_time.max.ms.__cond_resched.netlink_release.__sock_release.sock_close.__fput
0.54 ±153% +669.7% 4.15 ± 61% perf-sched.wait_time.max.ms.__cond_resched.task_numa_work.task_work_run.syscall_exit_to_user_mode.do_syscall_64
28.22 ± 14% +41.2% 39.84 ± 25% perf-sched.wait_time.max.ms.__cond_resched.unmap_vmas.vms_clear_ptes.part.0
4.90 ± 51% +158.2% 12.66 ± 75% perf-sched.wait_time.max.ms.io_schedule.folio_wait_bit_common.__do_fault.do_read_fault
26.54 ± 66% +5220.1% 1411 ± 84% perf-sched.wait_time.max.ms.irqentry_exit_to_user_mode.asm_sysvec_call_function_single.[unknown]
1262 ± 9% +434.3% 6744 ± 60% perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
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
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