Hello,
kernel test robot noticed a 150.8% improvement of stress-ng.led.ops_per_sec on:
commit: 168b3670254e707a2d8f46166aff34d70cd3652e ("rcu: Reduce
synchronize_rcu() latency by reporting GP kthread's CPU QS early")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
testcase: stress-ng
config: x86_64-rhel-9.4
compiler: gcc-14
test machine: 192 threads 2 sockets Intel(R) Xeon(R) 6740E CPU @ 2.4GHz
(Sierra Forest) with 256G memory
parameters:
nr_threads: 100%
testtime: 60s
test: led
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260112/[email protected]
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-14/performance/x86_64-rhel-9.4/100%/debian-13-x86_64-20250902.cgz/lkp-srf-2sp2/led/stress-ng/60s
commit:
d5bb7b9ca4 ("rcu/nocb: Add warning to detect if overload advancement is ever
useful")
168b367025 ("rcu: Reduce synchronize_rcu() latency by reporting GP kthread's
CPU QS early")
d5bb7b9ca4049cbd 168b3670254e707a2d8f46166af
---------------- ---------------------------
%stddev %change %stddev
\ | \
775598 ± 3% +28.8% 998973 ± 4% cpuidle..usage
21479 +20.6% 25904 ± 2% meminfo.Shmem
13353 ± 5% +32.8% 17739 ± 5% numa-meminfo.node1.Shmem
3332 ± 5% +33.1% 4434 ± 5% numa-vmstat.node1.nr_shmem
515.90 +8.7% 560.59 sched_debug.cpu.clock_task.stddev
534.33 ± 7% +18.4% 632.75 ± 10% sched_debug.cpu.nr_switches.min
4094 +34.8% 5521 ± 2% vmstat.system.cs
13611 ± 6% +34.5% 18308 ± 6% vmstat.system.in
0.02 ± 11% +0.0 0.03 ± 8% mpstat.cpu.all.irq%
0.01 ± 8% +0.0 0.02 ± 10% mpstat.cpu.all.soft%
0.07 ± 17% +0.1 0.21 ± 7% mpstat.cpu.all.sys%
0.04 +0.0 0.05 ± 4% mpstat.cpu.all.usr%
8.00 ± 28% +177.1% 22.17 ± 19% perf-c2c.DRAM.local
66.50 ± 23% +250.1% 232.83 ± 19% perf-c2c.DRAM.remote
102.83 ± 10% +186.7% 294.83 ± 14% perf-c2c.HITM.local
46.67 ± 23% +293.6% 183.67 ± 22% perf-c2c.HITM.remote
215.83 ± 6% +152.7% 545.50 ± 4% stress-ng.led.ops
3.31 ± 6% +150.8% 8.31 ± 5% stress-ng.led.ops_per_sec
4661 ± 6% +101.9% 9409 ± 5%
stress-ng.time.involuntary_context_switches
18555 ± 2% +68.1% 31188 ± 3%
stress-ng.time.voluntary_context_switches
5.67 ± 8% +120.6% 12.50 ± 6% turbostat.Avg_MHz
0.18 ± 8% +0.2 0.39 ± 6% turbostat.Busy%
0.76 ± 6% -36.0% 0.49 ± 2% turbostat.IPC
719079 ± 2% +46.7% 1055184 ± 5% turbostat.IRQ
13508 ± 11% +344.7% 60076 ± 11% turbostat.NMI
255.33 -10.7% 227.94 ± 3%
perf-sched.total_wait_and_delay.average.ms
8144 +26.9% 10334 ± 2%
perf-sched.total_wait_and_delay.count.ms
255.32 -10.7% 227.91 ± 3%
perf-sched.total_wait_time.average.ms
255.33 -10.7% 227.94 ± 3%
perf-sched.wait_and_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
8144 +26.9% 10334 ± 2%
perf-sched.wait_and_delay.count.[unknown].[unknown].[unknown].[unknown].[unknown]
255.32 -10.7% 227.91 ± 3%
perf-sched.wait_time.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
5372 +20.6% 6478 ± 2% proc-vmstat.nr_shmem
1285 ± 12% +25.3% 1610 ± 6% proc-vmstat.numa_hint_faults
674620 +3.7% 699298 proc-vmstat.numa_hit
475606 +5.2% 500280 proc-vmstat.numa_local
1908 ± 2% +11.6% 2130 ± 4% proc-vmstat.numa_pte_updates
733415 +3.4% 758344 proc-vmstat.pgalloc_normal
713437 +3.0% 734908 proc-vmstat.pgfree
18732 +2.3% 19168 proc-vmstat.pgreuse
145.00 +647.6% 1084 ± 11% proc-vmstat.unevictable_pgs_culled
0.91 ± 2% -6.6% 0.85 ± 3% perf-stat.i.MPKI
1.638e+08 ± 2% +42.7% 2.337e+08 ± 4% perf-stat.i.branch-instructions
2.52 -0.1 2.40 perf-stat.i.branch-miss-rate%
5945623 +21.7% 7234870 ± 3% perf-stat.i.branch-misses
17.40 ± 2% -1.4 16.02 ± 2% perf-stat.i.cache-miss-rate%
932631 ± 2% +28.2% 1195478 ± 3% perf-stat.i.cache-misses
3374241 ± 4% +71.4% 5784108 ± 4% perf-stat.i.cache-references
3778 +38.3% 5226 ± 3% perf-stat.i.context-switches
1.61 ± 6% +46.6% 2.35 perf-stat.i.cpi
1.093e+09 ± 9% +122.2% 2.429e+09 ± 6% perf-stat.i.cpu-cycles
427.18 ± 3% +44.9% 619.15 ± 4% perf-stat.i.cpu-migrations
2354 ± 8% +39.0% 3272 ± 4%
perf-stat.i.cycles-between-cache-misses
8.073e+08 ± 2% +42.9% 1.154e+09 ± 4% perf-stat.i.instructions
0.69 ± 2% -18.1% 0.56 perf-stat.i.ipc
1.15 -10.2% 1.04 ± 2% perf-stat.overall.MPKI
3.63 -0.5 3.10
perf-stat.overall.branch-miss-rate%
27.64 ± 3% -7.0 20.65 ± 2% perf-stat.overall.cache-miss-rate%
1.35 ± 6% +55.7% 2.11 ± 2% perf-stat.overall.cpi
1173 ± 7% +73.5% 2034 ± 4%
perf-stat.overall.cycles-between-cache-misses
0.74 ± 6% -36.0% 0.48 ± 2% perf-stat.overall.ipc
1.613e+08 ± 2% +42.7% 2.302e+08 ± 4% perf-stat.ps.branch-instructions
5859537 +21.6% 7125221 ± 3% perf-stat.ps.branch-misses
917224 ± 2% +28.2% 1175849 ± 3% perf-stat.ps.cache-misses
3323027 ± 4% +71.5% 5699707 ± 4% perf-stat.ps.cache-references
3723 +38.4% 5151 ± 3% perf-stat.ps.context-switches
1.077e+09 ± 9% +122.4% 2.395e+09 ± 6% perf-stat.ps.cpu-cycles
421.01 ± 3% +45.0% 610.36 ± 4% perf-stat.ps.cpu-migrations
7.952e+08 ± 2% +42.9% 1.136e+09 ± 4% perf-stat.ps.instructions
5.525e+10 ± 2% +42.0% 7.848e+10 ± 4% perf-stat.total.instructions
37.54 ± 13% -25.2 12.32 ± 10%
perf-profile.calltrace.cycles-pp.common_startup_64
32.99 ± 14% -23.8 9.22 ± 11%
perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.common_startup_64
32.99 ± 14% -23.8 9.22 ± 11%
perf-profile.calltrace.cycles-pp.start_secondary.common_startup_64
32.97 ± 14% -23.7 9.22 ± 11%
perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.common_startup_64
26.11 ± 12% -17.7 8.37 ± 9%
perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64
28.12 ± 11% -17.4 10.70 ± 8%
perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry
27.71 ± 11% -17.1 10.56 ± 8%
perf-profile.calltrace.cycles-pp.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle
27.69 ± 11% -17.1 10.55 ± 8%
perf-profile.calltrace.cycles-pp.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call
27.68 ± 11% -17.1 10.55 ± 8%
perf-profile.calltrace.cycles-pp.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter
23.55 ± 13% -16.0 7.51 ± 8%
perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter
23.59 ± 12% -16.0 7.62 ± 9%
perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary
22.35 ± 16% -12.6 9.73 ± 8%
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe
22.23 ± 16% -12.6 9.67 ± 8%
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe
21.19 ± 9% -12.4 8.76 ± 8%
perf-profile.calltrace.cycles-pp.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state
13.21 ± 10% -8.6 4.63 ± 7%
perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry
8.62 ± 9% -5.4 3.22 ± 7%
perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt
8.40 ± 9% -5.2 3.16 ± 7%
perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt
8.19 ± 9% -4.2 3.98 ± 13%
perf-profile.calltrace.cycles-pp.asm_sysvec_call_function_single.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter
5.63 ± 10% -3.5 2.12 ± 7%
perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
5.08 ± 10% -3.1 1.98 ± 7%
perf-profile.calltrace.cycles-pp.tick_nohz_handler.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt
4.72 ± 16% -2.9 1.79 ± 13%
perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.69 ± 16% -2.9 1.78 ± 13%
perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
6.61 ± 9% -2.9 3.73 ± 13%
perf-profile.calltrace.cycles-pp.sysvec_call_function_single.asm_sysvec_call_function_single.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry
3.28 ± 22% -2.8 0.42 ± 73%
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
3.28 ± 22% -2.8 0.42 ± 73%
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.execve
3.28 ± 22% -2.8 0.42 ± 73%
perf-profile.calltrace.cycles-pp.execve
3.27 ± 22% -2.8 0.42 ± 73%
perf-profile.calltrace.cycles-pp.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
3.27 ± 23% -2.8 0.42 ± 73%
perf-profile.calltrace.cycles-pp.do_execveat_common.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
6.42 ± 15% -2.7 3.68 ± 5%
perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
6.40 ± 15% -2.7 3.66 ± 5%
perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
3.39 ± 19% -2.4 0.97 ± 10%
perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
3.37 ± 19% -2.4 0.96 ± 10%
perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
3.40 ± 14% -2.4 1.00 ± 12%
perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt
5.46 ± 19% -2.3 3.12 ± 5%
perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
5.43 ± 19% -2.3 3.09 ± 5%
perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64
3.30 ± 14% -2.3 0.96 ± 12%
perf-profile.calltrace.cycles-pp.handle_softirqs.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt
3.70 ± 17% -2.3 1.38 ± 15%
perf-profile.calltrace.cycles-pp.kernfs_fop_write_iter.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
3.35 ± 10% -1.9 1.45 ± 8%
perf-profile.calltrace.cycles-pp.update_process_times.tick_nohz_handler.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt
1.95 ± 23% -1.6 0.38 ± 70%
perf-profile.calltrace.cycles-pp.seq_read_iter.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.56 ± 8% -1.5 3.10 ± 14%
perf-profile.calltrace.cycles-pp.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel
4.56 ± 8% -1.5 3.10 ± 14%
perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations
4.56 ± 8% -1.5 3.10 ± 14%
perf-profile.calltrace.cycles-pp.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel.common_startup_64
4.56 ± 8% -1.5 3.10 ± 14%
perf-profile.calltrace.cycles-pp.start_kernel.x86_64_start_reservations.x86_64_start_kernel.common_startup_64
4.56 ± 8% -1.5 3.10 ± 14%
perf-profile.calltrace.cycles-pp.x86_64_start_kernel.common_startup_64
4.56 ± 8% -1.5 3.10 ± 14%
perf-profile.calltrace.cycles-pp.x86_64_start_reservations.x86_64_start_kernel.common_startup_64
4.53 ± 8% -1.4 3.08 ± 14%
perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.rest_init
4.53 ± 8% -1.4 3.09 ± 13%
perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.rest_init.start_kernel
1.68 ± 24% -1.4 0.32 ±101%
perf-profile.calltrace.cycles-pp.__flush_smp_call_function_queue.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single.pv_native_safe_halt
1.72 ± 23% -1.3 0.41 ± 73%
perf-profile.calltrace.cycles-pp.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single.pv_native_safe_halt.acpi_safe_halt
4.23 ± 9% -1.3 2.94 ± 13%
perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_call_function_single.asm_sysvec_call_function_single.pv_native_safe_halt.acpi_safe_halt
4.23 ± 9% -1.3 2.94 ± 13%
perf-profile.calltrace.cycles-pp.handle_softirqs.__irq_exit_rcu.sysvec_call_function_single.asm_sysvec_call_function_single.pv_native_safe_halt
4.22 ± 9% -1.3 2.93 ± 14%
perf-profile.calltrace.cycles-pp._nohz_idle_balance.handle_softirqs.__irq_exit_rcu.sysvec_call_function_single.asm_sysvec_call_function_single
1.78 ± 10% -1.2 0.57 ± 45%
perf-profile.calltrace.cycles-pp.clockevents_program_event.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
1.88 ± 16% -1.2 0.67 ± 15%
perf-profile.calltrace.cycles-pp.led_trigger_write.kernfs_fop_write_iter.vfs_write.ksys_write.do_syscall_64
1.78 ± 17% -1.1 0.69 ± 15%
perf-profile.calltrace.cycles-pp.brightness_store.kernfs_fop_write_iter.vfs_write.ksys_write.do_syscall_64
1.44 ± 8% -1.0 0.49 ± 45%
perf-profile.calltrace.cycles-pp.ktime_get.clockevents_program_event.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt
1.36 ± 23% -0.9 0.48 ± 46%
perf-profile.calltrace.cycles-pp.update_sg_lb_stats.update_sd_lb_stats.sched_balance_find_src_group.sched_balance_rq.sched_balance_domains
1.59 ± 11% -0.9 0.74 ± 9%
perf-profile.calltrace.cycles-pp.sched_tick.update_process_times.tick_nohz_handler.__hrtimer_run_queues.hrtimer_interrupt
1.12 ± 12% -0.7 0.38 ± 70%
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.rename
1.12 ± 12% -0.7 0.38 ± 70%
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.rename
1.14 ± 11% -0.7 0.39 ± 70%
perf-profile.calltrace.cycles-pp.rename
1.11 ± 12% -0.7 0.37 ± 70%
perf-profile.calltrace.cycles-pp.__x64_sys_rename.do_syscall_64.entry_SYSCALL_64_after_hwframe.rename
1.06 ± 13% -0.7 0.35 ± 70%
perf-profile.calltrace.cycles-pp.do_renameat2.__x64_sys_rename.do_syscall_64.entry_SYSCALL_64_after_hwframe.rename
1.33 ± 19% -0.6 0.74 ± 12%
perf-profile.calltrace.cycles-pp.syscall_trace_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.27 ± 19% -0.6 0.69 ± 11%
perf-profile.calltrace.cycles-pp.__seccomp_filter.syscall_trace_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.67 ± 18% -0.6 1.10 ± 8%
perf-profile.calltrace.cycles-pp.path_lookupat.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
1.20 ± 18% -0.6 0.64 ± 12%
perf-profile.calltrace.cycles-pp.seccomp_run_filters.__seccomp_filter.syscall_trace_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.36 ± 17% -0.5 0.82 ± 6%
perf-profile.calltrace.cycles-pp.__fstat64
1.47 ± 14% -0.5 1.00 ± 17%
perf-profile.calltrace.cycles-pp.sched_balance_domains._nohz_idle_balance.handle_softirqs.__irq_exit_rcu.sysvec_call_function_single
1.09 ± 18% -0.4 0.66 ± 7%
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__fstat64
1.07 ± 19% -0.4 0.65 ± 7%
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__fstat64
0.87 ± 8% -0.4 0.46 ± 44%
perf-profile.calltrace.cycles-pp.malloc
1.12 ± 17% -0.4 0.75 ± 17%
perf-profile.calltrace.cycles-pp.sched_balance_find_src_group.sched_balance_rq.sched_balance_domains._nohz_idle_balance.handle_softirqs
1.10 ± 17% -0.4 0.72 ± 17%
perf-profile.calltrace.cycles-pp.update_sd_lb_stats.sched_balance_find_src_group.sched_balance_rq.sched_balance_domains._nohz_idle_balance
1.30 ± 14% -0.4 0.94 ± 18%
perf-profile.calltrace.cycles-pp.sched_balance_rq.sched_balance_domains._nohz_idle_balance.handle_softirqs.__irq_exit_rcu
1.01 ± 12% -0.3 0.70 ± 5%
perf-profile.calltrace.cycles-pp.__x64_sys_epoll_wait.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.00 ± 14% -0.3 0.69 ± 5%
perf-profile.calltrace.cycles-pp.do_epoll_wait.__x64_sys_epoll_wait.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.89 ± 20% -0.3 0.58 ± 7%
perf-profile.calltrace.cycles-pp.__do_sys_newfstat.do_syscall_64.entry_SYSCALL_64_after_hwframe.__fstat64
0.98 ± 12% -0.3 0.68 ± 5%
perf-profile.calltrace.cycles-pp.ep_poll.do_epoll_wait.__x64_sys_epoll_wait.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.84 ± 13% -0.3 0.58 ± 4%
perf-profile.calltrace.cycles-pp.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait.do_syscall_64
0.80 ± 12% -0.2 0.56 ± 3%
perf-profile.calltrace.cycles-pp.schedule.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
0.76 ± 12% -0.2 0.55 ± 4%
perf-profile.calltrace.cycles-pp.__schedule.schedule.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait
0.78 ± 16% -0.2 0.60 ± 5%
perf-profile.calltrace.cycles-pp.readlinkat
0.75 ± 15% -0.2 0.58 ± 5%
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.readlinkat
0.75 ± 15% -0.2 0.58 ± 5%
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.readlinkat
0.73 ± 15% -0.2 0.56 ± 4%
perf-profile.calltrace.cycles-pp.do_readlinkat.__x64_sys_readlinkat.do_syscall_64.entry_SYSCALL_64_after_hwframe.readlinkat
0.73 ± 15% -0.2 0.56 ± 4%
perf-profile.calltrace.cycles-pp.__x64_sys_readlinkat.do_syscall_64.entry_SYSCALL_64_after_hwframe.readlinkat
0.31 ±101% +0.4 0.70 ± 12%
perf-profile.calltrace.cycles-pp.sched_balance_update_blocked_averages._nohz_idle_balance.handle_softirqs.__irq_exit_rcu.sysvec_call_function_single
0.00 +0.7 0.66 ± 7%
perf-profile.calltrace.cycles-pp.io_serial_in.wait_for_lsr.serial8250_console_write.console_flush_one_record.console_unlock
0.00 +0.7 0.66 ± 7%
perf-profile.calltrace.cycles-pp.wait_for_lsr.serial8250_console_write.console_flush_one_record.console_unlock.vprintk_emit
0.09 ±223% +0.7 0.81 ± 18%
perf-profile.calltrace.cycles-pp.fbcon_redraw.fbcon_scroll.con_scroll.lf.vt_console_print
0.09 ±223% +0.8 0.85 ± 17%
perf-profile.calltrace.cycles-pp.con_scroll.lf.vt_console_print.console_flush_one_record.console_unlock
0.09 ±223% +0.8 0.85 ± 17%
perf-profile.calltrace.cycles-pp.fbcon_scroll.con_scroll.lf.vt_console_print.console_flush_one_record
0.09 ±223% +0.8 0.85 ± 17%
perf-profile.calltrace.cycles-pp.lf.vt_console_print.console_flush_one_record.console_unlock.vprintk_emit
0.10 ±223% +0.9 0.98 ± 17%
perf-profile.calltrace.cycles-pp.vt_console_print.console_flush_one_record.console_unlock.vprintk_emit.dev_vprintk_emit
0.00 +2.4 2.45 ± 6%
perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.memcpy_toio.drm_fb_memcpy.ast_primary_plane_helper_atomic_update.drm_atomic_helper_commit_planes
0.70 ±223% +7.8 8.51 ± 8%
perf-profile.calltrace.cycles-pp.io_serial_out.serial8250_console_write.console_flush_one_record.console_unlock.vprintk_emit
0.77 ±223% +8.7 9.42 ± 8%
perf-profile.calltrace.cycles-pp.serial8250_console_write.console_flush_one_record.console_unlock.vprintk_emit.dev_vprintk_emit
0.87 ±223% +9.6 10.44 ± 9%
perf-profile.calltrace.cycles-pp.console_flush_one_record.console_unlock.vprintk_emit.dev_vprintk_emit.dev_printk_emit
0.87 ±223% +9.6 10.44 ± 9%
perf-profile.calltrace.cycles-pp.console_unlock.vprintk_emit.dev_vprintk_emit.dev_printk_emit._dev_warn
0.87 ±223% +9.6 10.49 ± 8%
perf-profile.calltrace.cycles-pp.vprintk_emit.dev_vprintk_emit.dev_printk_emit._dev_warn.usbhid_request
0.87 ±223% +9.6 10.50 ± 8%
perf-profile.calltrace.cycles-pp._dev_warn.usbhid_request.process_one_work.worker_thread.kthread
0.87 ±223% +9.6 10.50 ± 8%
perf-profile.calltrace.cycles-pp.dev_printk_emit._dev_warn.usbhid_request.process_one_work.worker_thread
0.87 ±223% +9.6 10.50 ± 8%
perf-profile.calltrace.cycles-pp.dev_vprintk_emit.dev_printk_emit._dev_warn.usbhid_request.process_one_work
0.90 ±223% +9.7 10.58 ± 8%
perf-profile.calltrace.cycles-pp.usbhid_request.process_one_work.worker_thread.kthread.ret_from_fork
5.31 ±223% +50.3 55.63 ± 4%
perf-profile.calltrace.cycles-pp.drm_atomic_helper_commit_tail.ast_mode_config_helper_atomic_commit_tail.commit_tail.drm_atomic_helper_commit.drm_atomic_commit
5.31 ±223% +50.3 55.64 ± 4%
perf-profile.calltrace.cycles-pp.ast_mode_config_helper_atomic_commit_tail.commit_tail.drm_atomic_helper_commit.drm_atomic_commit.drm_atomic_helper_dirtyfb
5.31 ±223% +50.3 55.64 ± 4%
perf-profile.calltrace.cycles-pp.commit_tail.drm_atomic_helper_commit.drm_atomic_commit.drm_atomic_helper_dirtyfb.drm_fbdev_shmem_helper_fb_dirty
5.31 ±223% +50.4 55.67 ± 4%
perf-profile.calltrace.cycles-pp.drm_atomic_helper_commit.drm_atomic_commit.drm_atomic_helper_dirtyfb.drm_fbdev_shmem_helper_fb_dirty.drm_fb_helper_damage_work
5.31 ±223% +50.4 55.69 ± 4%
perf-profile.calltrace.cycles-pp.drm_atomic_commit.drm_atomic_helper_dirtyfb.drm_fbdev_shmem_helper_fb_dirty.drm_fb_helper_damage_work.process_one_work
5.32 ±223% +50.4 55.77 ± 4%
perf-profile.calltrace.cycles-pp.drm_atomic_helper_dirtyfb.drm_fbdev_shmem_helper_fb_dirty.drm_fb_helper_damage_work.process_one_work.worker_thread
5.32 ±223% +50.4 55.77 ± 4%
perf-profile.calltrace.cycles-pp.drm_fbdev_shmem_helper_fb_dirty.drm_fb_helper_damage_work.process_one_work.worker_thread.kthread
5.32 ±223% +50.4 55.77 ± 4%
perf-profile.calltrace.cycles-pp.drm_fb_helper_damage_work.process_one_work.worker_thread.kthread.ret_from_fork
0.00 +54.3 54.32 ± 4%
perf-profile.calltrace.cycles-pp.memcpy_toio.drm_fb_memcpy.ast_primary_plane_helper_atomic_update.drm_atomic_helper_commit_planes.drm_atomic_helper_commit_tail
12.53 ±100% +55.2 67.70 ± 4%
perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm
12.53 ±100% +55.2 67.71 ± 4%
perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm
12.53 ±100% +55.2 67.71 ± 4%
perf-profile.calltrace.cycles-pp.ret_from_fork_asm
0.00 +55.5 55.52 ± 4%
perf-profile.calltrace.cycles-pp.drm_fb_memcpy.ast_primary_plane_helper_atomic_update.drm_atomic_helper_commit_planes.drm_atomic_helper_commit_tail.ast_mode_config_helper_atomic_commit_tail
0.00 +55.5 55.53 ± 4%
perf-profile.calltrace.cycles-pp.ast_primary_plane_helper_atomic_update.drm_atomic_helper_commit_planes.drm_atomic_helper_commit_tail.ast_mode_config_helper_atomic_commit_tail.commit_tail
0.00 +55.6 55.62 ± 4%
perf-profile.calltrace.cycles-pp.drm_atomic_helper_commit_planes.drm_atomic_helper_commit_tail.ast_mode_config_helper_atomic_commit_tail.commit_tail.drm_atomic_helper_commit
8.08 ±166% +58.8 66.85 ± 4%
perf-profile.calltrace.cycles-pp.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
7.80 ±173% +58.9 66.72 ± 4%
perf-profile.calltrace.cycles-pp.process_one_work.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
37.54 ± 13% -25.2 12.32 ± 10%
perf-profile.children.cycles-pp.common_startup_64
37.54 ± 13% -25.2 12.32 ± 10%
perf-profile.children.cycles-pp.cpu_startup_entry
37.53 ± 13% -25.2 12.32 ± 10%
perf-profile.children.cycles-pp.do_idle
32.99 ± 14% -23.8 9.22 ± 11%
perf-profile.children.cycles-pp.start_secondary
35.49 ± 16% -21.5 13.94 ± 8%
perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
35.34 ± 16% -21.5 13.86 ± 8%
perf-profile.children.cycles-pp.do_syscall_64
30.65 ± 11% -19.2 11.46 ± 8%
perf-profile.children.cycles-pp.cpuidle_idle_call
28.13 ± 11% -17.4 10.70 ± 8%
perf-profile.children.cycles-pp.cpuidle_enter
28.12 ± 11% -17.4 10.70 ± 8%
perf-profile.children.cycles-pp.cpuidle_enter_state
27.71 ± 11% -17.2 10.56 ± 8%
perf-profile.children.cycles-pp.acpi_idle_enter
27.69 ± 11% -17.1 10.55 ± 8%
perf-profile.children.cycles-pp.acpi_idle_do_entry
27.69 ± 11% -17.1 10.55 ± 8%
perf-profile.children.cycles-pp.acpi_safe_halt
27.66 ± 11% -17.1 10.55 ± 8%
perf-profile.children.cycles-pp.pv_native_safe_halt
18.94 ± 10% -11.4 7.51 ± 5%
perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
13.57 ± 10% -8.7 4.85 ± 7%
perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
9.07 ± 12% -5.8 3.30 ± 17%
perf-profile.children.cycles-pp._nohz_idle_balance
8.84 ± 9% -5.4 3.39 ± 7%
perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
8.63 ± 9% -5.3 3.32 ± 7%
perf-profile.children.cycles-pp.hrtimer_interrupt
8.12 ± 9% -4.0 4.07 ± 11%
perf-profile.children.cycles-pp.__irq_exit_rcu
6.07 ± 17% -3.9 2.13 ± 12%
perf-profile.children.cycles-pp.__schedule
7.90 ± 8% -3.9 4.03 ± 11%
perf-profile.children.cycles-pp.handle_softirqs
5.80 ± 9% -3.5 2.26 ± 7%
perf-profile.children.cycles-pp.__hrtimer_run_queues
7.43 ± 9% -3.4 3.99 ± 13%
perf-profile.children.cycles-pp.asm_sysvec_call_function_single
5.00 ± 17% -3.2 1.78 ± 7%
perf-profile.children.cycles-pp._raw_spin_lock
5.27 ± 10% -3.2 2.11 ± 7%
perf-profile.children.cycles-pp.tick_nohz_handler
6.87 ± 16% -3.1 3.76 ± 5%
perf-profile.children.cycles-pp.__x64_sys_openat
6.85 ± 16% -3.1 3.74 ± 5%
perf-profile.children.cycles-pp.do_sys_openat2
4.76 ± 16% -3.0 1.80 ± 13%
perf-profile.children.cycles-pp.ksys_write
4.73 ± 16% -2.9 1.79 ± 13%
perf-profile.children.cycles-pp.vfs_write
4.04 ± 21% -2.9 1.10 ± 11%
perf-profile.children.cycles-pp.ksys_read
6.61 ± 9% -2.9 3.73 ± 13%
perf-profile.children.cycles-pp.sysvec_call_function_single
4.66 ± 16% -2.9 1.78 ± 12%
perf-profile.children.cycles-pp.schedule
3.82 ± 21% -2.8 1.05 ± 10%
perf-profile.children.cycles-pp.vfs_read
5.12 ± 12% -2.7 2.41 ± 13%
perf-profile.children.cycles-pp.sched_balance_rq
3.28 ± 22% -2.7 0.58 ± 20%
perf-profile.children.cycles-pp.execve
3.28 ± 23% -2.7 0.58 ± 20%
perf-profile.children.cycles-pp.__x64_sys_execve
3.28 ± 23% -2.7 0.58 ± 20%
perf-profile.children.cycles-pp.do_execveat_common
4.28 ± 15% -2.7 1.62 ± 13%
perf-profile.children.cycles-pp.__pick_next_task
5.81 ± 18% -2.6 3.22 ± 5%
perf-profile.children.cycles-pp.do_filp_open
5.78 ± 18% -2.6 3.20 ± 5%
perf-profile.children.cycles-pp.path_openat
4.14 ± 15% -2.6 1.59 ± 13%
perf-profile.children.cycles-pp.pick_next_task_fair
4.64 ± 13% -2.5 2.11 ± 13%
perf-profile.children.cycles-pp.sched_balance_find_src_group
4.57 ± 13% -2.5 2.08 ± 13%
perf-profile.children.cycles-pp.update_sd_lb_stats
4.28 ± 14% -2.4 1.86 ± 13%
perf-profile.children.cycles-pp.update_sg_lb_stats
3.31 ± 16% -2.3 0.96 ± 11%
perf-profile.children.cycles-pp.raw_spin_rq_lock_nested
3.70 ± 17% -2.3 1.38 ± 15%
perf-profile.children.cycles-pp.kernfs_fop_write_iter
2.76 ± 19% -2.3 0.49 ± 21%
perf-profile.children.cycles-pp.asm_exc_page_fault
2.71 ± 24% -2.2 0.47 ± 18%
perf-profile.children.cycles-pp.handle_internal_command
2.71 ± 24% -2.2 0.47 ± 18%
perf-profile.children.cycles-pp.main
2.71 ± 24% -2.2 0.47 ± 18%
perf-profile.children.cycles-pp.run_builtin
3.59 ± 16% -2.2 1.42 ± 12%
perf-profile.children.cycles-pp.sched_balance_newidle
2.52 ± 24% -2.1 0.44 ± 18%
perf-profile.children.cycles-pp.cmd_stat
2.52 ± 24% -2.1 0.44 ± 18%
perf-profile.children.cycles-pp.dispatch_events
2.52 ± 24% -2.1 0.44 ± 19%
perf-profile.children.cycles-pp.process_interval
2.49 ± 20% -2.1 0.44 ± 20%
perf-profile.children.cycles-pp.exc_page_fault
2.45 ± 25% -2.0 0.42 ± 19%
perf-profile.children.cycles-pp.read_counters
2.46 ± 20% -2.0 0.43 ± 21%
perf-profile.children.cycles-pp.do_user_addr_fault
2.58 ± 21% -1.9 0.66 ± 13%
perf-profile.children.cycles-pp.seq_read_iter
2.33 ± 21% -1.9 0.40 ± 18%
perf-profile.children.cycles-pp.smpboot_thread_fn
3.50 ± 9% -1.9 1.58 ± 8%
perf-profile.children.cycles-pp.update_process_times
2.27 ± 21% -1.9 0.41 ± 21%
perf-profile.children.cycles-pp.handle_mm_fault
2.22 ± 24% -1.8 0.39 ± 21%
perf-profile.children.cycles-pp.bprm_execve
2.18 ± 21% -1.8 0.39 ± 22%
perf-profile.children.cycles-pp.__handle_mm_fault
2.09 ± 22% -1.8 0.32 ± 24%
perf-profile.children.cycles-pp.sched_setaffinity
2.60 ± 10% -1.7 0.88 ± 11%
perf-profile.children.cycles-pp.ktime_get
1.97 ± 30% -1.7 0.32 ± 17%
perf-profile.children.cycles-pp.vm_mmap_pgoff
1.91 ± 30% -1.6 0.31 ± 18%
perf-profile.children.cycles-pp.do_mmap
1.91 ± 25% -1.6 0.34 ± 20%
perf-profile.children.cycles-pp.exec_binprm
2.22 ± 18% -1.5 0.68 ± 18%
perf-profile.children.cycles-pp.update_rq_clock
1.85 ± 25% -1.5 0.33 ± 20%
perf-profile.children.cycles-pp.load_elf_binary
1.78 ± 31% -1.5 0.30 ± 19%
perf-profile.children.cycles-pp.__mmap_region
4.56 ± 8% -1.5 3.10 ± 14%
perf-profile.children.cycles-pp.rest_init
4.56 ± 8% -1.5 3.10 ± 14%
perf-profile.children.cycles-pp.start_kernel
4.56 ± 8% -1.5 3.10 ± 14%
perf-profile.children.cycles-pp.x86_64_start_kernel
4.56 ± 8% -1.5 3.10 ± 14%
perf-profile.children.cycles-pp.x86_64_start_reservations
2.45 ± 11% -1.4 1.08 ± 10%
perf-profile.children.cycles-pp.sched_balance_update_blocked_averages
1.83 ± 22% -1.4 0.47 ± 25%
perf-profile.children.cycles-pp.__mutex_lock
1.68 ± 24% -1.4 0.32 ± 18%
perf-profile.children.cycles-pp.kernel_clone
1.92 ± 10% -1.2 0.70 ± 14%
perf-profile.children.cycles-pp.clockevents_program_event
1.44 ± 32% -1.2 0.22 ± 15%
perf-profile.children.cycles-pp.ksys_mmap_pgoff
1.82 ± 22% -1.2 0.61 ± 18%
perf-profile.children.cycles-pp.__flush_smp_call_function_queue
1.88 ± 16% -1.2 0.67 ± 15%
perf-profile.children.cycles-pp.led_trigger_write
1.76 ± 22% -1.2 0.59 ± 17%
perf-profile.children.cycles-pp.__sysvec_call_function_single
1.53 ± 15% -1.2 0.37 ± 17%
perf-profile.children.cycles-pp.update_rq_clock_task
2.82 ± 20% -1.2 1.66 ± 6%
perf-profile.children.cycles-pp.link_path_walk
2.39 ± 10% -1.1 1.29 ± 14%
perf-profile.children.cycles-pp.sched_balance_domains
1.74 ± 10% -1.1 0.64 ± 9%
perf-profile.children.cycles-pp.idle_cpu
1.78 ± 17% -1.1 0.69 ± 15%
perf-profile.children.cycles-pp.brightness_store
1.52 ± 18% -1.1 0.44 ± 13%
perf-profile.children.cycles-pp.enqueue_task
1.29 ± 22% -1.1 0.21 ± 21%
perf-profile.children.cycles-pp.evlist_cpu_iterator__next
1.82 ± 14% -1.1 0.74 ± 7%
perf-profile.children.cycles-pp._raw_spin_lock_irqsave
1.38 ± 22% -1.1 0.31 ± 24%
perf-profile.children.cycles-pp.x64_sys_call
1.47 ± 15% -1.0 0.45 ± 10%
perf-profile.children.cycles-pp.menu_select
1.18 ± 22% -1.0 0.19 ± 23%
perf-profile.children.cycles-pp.do_fault
1.41 ± 18% -1.0 0.42 ± 13%
perf-profile.children.cycles-pp.enqueue_task_fair
1.32 ± 13% -1.0 0.33 ± 36%
perf-profile.children.cycles-pp.rcu_gp_kthread
1.17 ± 25% -1.0 0.21 ± 24%
perf-profile.children.cycles-pp.__x64_sys_exit_group
1.17 ± 25% -1.0 0.21 ± 24%
perf-profile.children.cycles-pp.do_group_exit
1.17 ± 25% -1.0 0.21 ± 24%
perf-profile.children.cycles-pp.do_exit
2.72 ± 14% -0.9 1.80 ± 6%
perf-profile.children.cycles-pp.path_lookupat
1.10 ± 29% -0.9 0.19 ± 27%
perf-profile.children.cycles-pp.__mmput
1.09 ± 30% -0.9 0.19 ± 28%
perf-profile.children.cycles-pp.exit_mmap
1.36 ± 20% -0.9 0.46 ± 10%
perf-profile.children.cycles-pp.try_to_wake_up
1.68 ± 11% -0.9 0.78 ± 9%
perf-profile.children.cycles-pp.sched_tick
1.09 ± 27% -0.9 0.20 ± 16%
perf-profile.children.cycles-pp.copy_process
1.33 ± 20% -0.9 0.45 ± 14%
perf-profile.children.cycles-pp.sched_ttwu_pending
1.09 ± 21% -0.9 0.22 ± 18%
perf-profile.children.cycles-pp._Fork
1.33 ± 20% -0.9 0.46 ± 11%
perf-profile.children.cycles-pp.ttwu_do_activate
1.15 ± 12% -0.9 0.30 ± 36%
perf-profile.children.cycles-pp.rcu_gp_fqs_loop
1.17 ± 20% -0.8 0.34 ± 9%
perf-profile.children.cycles-pp.enqueue_entity
1.12 ± 22% -0.8 0.30 ± 19%
perf-profile.children.cycles-pp.schedule_idle
0.95 ± 24% -0.8 0.14 ± 27%
perf-profile.children.cycles-pp.__x64_sys_sched_setaffinity
0.96 ± 25% -0.8 0.15 ± 27%
perf-profile.children.cycles-pp.do_read_fault
1.21 ± 16% -0.8 0.42 ± 6%
perf-profile.children.cycles-pp.update_load_avg
0.98 ± 24% -0.8 0.20 ± 18%
perf-profile.children.cycles-pp.__do_sys_clone
0.91 ± 27% -0.8 0.14 ± 25%
perf-profile.children.cycles-pp.filemap_map_pages
0.99 ± 24% -0.8 0.23 ± 24%
perf-profile.children.cycles-pp.select_task_rq_fair
1.13 ± 25% -0.8 0.38 ± 16%
perf-profile.children.cycles-pp.sysfs_kf_seq_show
1.10 ± 26% -0.7 0.36 ± 17%
perf-profile.children.cycles-pp.dev_attr_show
1.09 ± 19% -0.7 0.35 ± 6%
perf-profile.children.cycles-pp.rcu_core
0.98 ± 28% -0.7 0.25 ± 28%
perf-profile.children.cycles-pp.schedule_preempt_disabled
0.84 ± 25% -0.7 0.12 ± 18%
perf-profile.children.cycles-pp.cpu_stopper_thread
0.84 ± 24% -0.7 0.12 ± 28%
perf-profile.children.cycles-pp.__sched_setaffinity
0.82 ± 25% -0.7 0.12 ± 18%
perf-profile.children.cycles-pp.migration_cpu_stop
1.05 ± 15% -0.7 0.36 ± 11%
perf-profile.children.cycles-pp.tmigr_requires_handle_remote
0.80 ± 26% -0.7 0.12 ± 21%
perf-profile.children.cycles-pp.move_queued_task
1.75 ± 8% -0.7 1.07 ± 7%
perf-profile.children.cycles-pp.lookup_fast
0.82 ± 27% -0.7 0.14 ± 27%
perf-profile.children.cycles-pp.exit_mm
0.79 ± 32% -0.7 0.12 ± 45%
perf-profile.children.cycles-pp.copy_mc_enhanced_fast_string
0.78 ± 38% -0.7 0.11 ± 44%
perf-profile.children.cycles-pp.khugepaged
1.48 ± 17% -0.7 0.82 ± 12%
perf-profile.children.cycles-pp.syscall_trace_enter
0.76 ± 27% -0.7 0.10 ± 35%
perf-profile.children.cycles-pp.tmigr_handle_remote
0.78 ± 28% -0.7 0.12 ± 15%
perf-profile.children.cycles-pp.mm_init
0.76 ± 38% -0.7 0.11 ± 45%
perf-profile.children.cycles-pp.hpage_collapse_scan_pmd
0.76 ± 38% -0.7 0.11 ± 44%
perf-profile.children.cycles-pp.khugepaged_scan_mm_slot
0.75 ± 27% -0.6 0.10 ± 35%
perf-profile.children.cycles-pp.tmigr_handle_remote_up
0.79 ± 32% -0.6 0.15 ± 27%
perf-profile.children.cycles-pp.elf_load
0.96 ± 19% -0.6 0.32 ± 10%
perf-profile.children.cycles-pp.tick_nohz_get_sleep_length
0.78 ± 26% -0.6 0.14 ± 25%
perf-profile.children.cycles-pp.__vfork
1.38 ± 18% -0.6 0.75 ± 12%
perf-profile.children.cycles-pp.__seccomp_filter
0.73 ± 38% -0.6 0.10 ± 48%
perf-profile.children.cycles-pp.collapse_huge_page
1.37 ± 10% -0.6 0.74 ± 10%
perf-profile.children.cycles-pp.led_trigger_set
0.80 ± 28% -0.6 0.18 ± 10%
perf-profile.children.cycles-pp.__pi_memset
1.50 ± 17% -0.6 0.88 ± 5%
perf-profile.children.cycles-pp.__fstat64
1.30 ± 18% -0.6 0.69 ± 12%
perf-profile.children.cycles-pp.seccomp_run_filters
0.90 ± 16% -0.6 0.29 ± 11%
perf-profile.children.cycles-pp.tick_nohz_next_event
0.92 ± 15% -0.6 0.32 ± 13%
perf-profile.children.cycles-pp.get_jiffies_update
0.77 ± 21% -0.6 0.17 ± 22%
perf-profile.children.cycles-pp.tick_nohz_idle_stop_tick
0.92 ± 21% -0.6 0.32 ± 14%
perf-profile.children.cycles-pp.vsnprintf
0.73 ± 29% -0.6 0.13 ± 26%
perf-profile.children.cycles-pp.sched_balance_find_dst_group
0.76 ± 20% -0.6 0.17 ± 22%
perf-profile.children.cycles-pp.tick_nohz_stop_tick
0.88 ± 18% -0.6 0.28 ± 14%
perf-profile.children.cycles-pp.update_wall_time
1.14 ± 11% -0.6 0.55 ± 10%
perf-profile.children.cycles-pp.rename
0.70 ± 24% -0.6 0.11 ± 30%
perf-profile.children.cycles-pp.__set_cpus_allowed_ptr
0.72 ± 29% -0.6 0.13 ± 24%
perf-profile.children.cycles-pp.update_sg_wakeup_stats
1.11 ± 12% -0.6 0.52 ± 9%
perf-profile.children.cycles-pp.__x64_sys_rename
1.01 ± 18% -0.6 0.42 ± 12%
perf-profile.children.cycles-pp.__wait_for_common
0.70 ± 26% -0.6 0.12 ± 20%
perf-profile.children.cycles-pp.__x64_sys_vfork
0.69 ± 26% -0.6 0.11 ± 25%
perf-profile.children.cycles-pp.next_uptodate_folio
0.68 ± 32% -0.6 0.11 ± 18%
perf-profile.children.cycles-pp.pcpu_alloc_noprof
1.04 ± 25% -0.6 0.47 ± 16%
perf-profile.children.cycles-pp.schedule_timeout
0.66 ± 37% -0.6 0.10 ± 47%
perf-profile.children.cycles-pp.__collapse_huge_page_copy
1.06 ± 13% -0.6 0.50 ± 10%
perf-profile.children.cycles-pp.do_renameat2
0.66 ± 30% -0.6 0.09 ± 14%
perf-profile.children.cycles-pp.__mmap
0.67 ± 37% -0.6 0.11 ± 18%
perf-profile.children.cycles-pp.alloc_bprm
1.01 ± 20% -0.5 0.46 ± 5%
perf-profile.children.cycles-pp.open_last_lookups
0.63 ± 33% -0.5 0.08 ± 30%
perf-profile.children.cycles-pp.tmigr_handle_remote_cpu
0.80 ± 17% -0.5 0.26 ± 17%
perf-profile.children.cycles-pp.tick_irq_enter
0.73 ± 22% -0.5 0.18 ± 12%
perf-profile.children.cycles-pp.__pi_memcpy
0.80 ± 17% -0.5 0.26 ± 17%
perf-profile.children.cycles-pp.irq_enter_rcu
0.63 ± 28% -0.5 0.10 ± 15%
perf-profile.children.cycles-pp.show_stat
0.68 ± 29% -0.5 0.15 ± 18%
perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof
0.64 ± 35% -0.5 0.12 ± 25%
perf-profile.children.cycles-pp.tick_nohz_idle_exit
0.68 ± 29% -0.5 0.16 ± 18%
perf-profile.children.cycles-pp.alloc_pages_mpol
0.70 ± 18% -0.5 0.18 ± 36%
perf-profile.children.cycles-pp.force_qs_rnp
0.61 ± 37% -0.5 0.09 ± 35%
perf-profile.children.cycles-pp.unmap_vmas
0.70 ± 29% -0.5 0.18 ± 24%
perf-profile.children.cycles-pp.native_sched_clock
1.06 ± 19% -0.5 0.56 ± 12%
perf-profile.children.cycles-pp.__x64_sys_close
0.59 ± 28% -0.5 0.10 ± 29%
perf-profile.children.cycles-pp.perf_event_mmap
0.62 ± 29% -0.5 0.14 ± 16%
perf-profile.children.cycles-pp.get_page_from_freelist
0.59 ± 30% -0.5 0.10 ± 27%
perf-profile.children.cycles-pp.perf_event_mmap_event
0.58 ± 39% -0.5 0.10 ± 22%
perf-profile.children.cycles-pp.setlocale
0.82 ± 17% -0.5 0.34 ± 14%
perf-profile.children.cycles-pp.ktime_get_update_offsets_now
0.83 ± 21% -0.5 0.35 ± 10%
perf-profile.children.cycles-pp.entry_SYSCALL_64
0.80 ± 13% -0.5 0.33 ± 22%
perf-profile.children.cycles-pp.kmem_cache_free
0.63 ± 20% -0.5 0.16 ± 27%
perf-profile.children.cycles-pp.mutex_spin_on_owner
0.66 ± 22% -0.5 0.20 ± 20%
perf-profile.children.cycles-pp.asm_sysvec_posted_msi_notification
0.54 ± 39% -0.5 0.08 ± 29%
perf-profile.children.cycles-pp.unmap_page_range
0.53 ± 38% -0.5 0.07 ± 51%
perf-profile.children.cycles-pp.zap_pmd_range
0.56 ± 34% -0.5 0.10 ± 25%
perf-profile.children.cycles-pp.tick_nohz_restart_sched_tick
0.52 ± 39% -0.5 0.06 ± 50%
perf-profile.children.cycles-pp.zap_pte_range
0.55 ± 40% -0.5 0.10 ± 22%
perf-profile.children.cycles-pp.__split_vma
0.63 ± 17% -0.4 0.19 ± 15%
perf-profile.children.cycles-pp.hrtimer_start_range_ns
0.74 ± 32% -0.4 0.30 ± 3%
perf-profile.children.cycles-pp.step_into_slowpath
0.54 ± 27% -0.4 0.11 ± 24%
perf-profile.children.cycles-pp.wake_up_new_task
0.77 ± 24% -0.4 0.34 ± 17%
perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
0.56 ± 32% -0.4 0.13 ± 23%
perf-profile.children.cycles-pp.dup_mm
0.51 ± 30% -0.4 0.09 ± 28%
perf-profile.children.cycles-pp.fold_vm_zone_numa_events
0.60 ± 27% -0.4 0.18 ± 15%
perf-profile.children.cycles-pp.dequeue_task_fair
0.52 ± 31% -0.4 0.10 ± 16%
perf-profile.children.cycles-pp.evsel__read_counter
0.72 ± 20% -0.4 0.31 ± 14%
perf-profile.children.cycles-pp.uevent_show
0.56 ± 33% -0.4 0.15 ± 29%
perf-profile.children.cycles-pp.wakeup_preempt
0.87 ± 10% -0.4 0.46 ± 13%
perf-profile.children.cycles-pp.getname_flags
0.49 ± 42% -0.4 0.08 ± 60%
perf-profile.children.cycles-pp.__open64_nocancel
0.59 ± 30% -0.4 0.18 ± 13%
perf-profile.children.cycles-pp.dequeue_entities
0.75 ± 19% -0.4 0.35 ± 7%
perf-profile.children.cycles-pp.lookup_open
0.47 ± 25% -0.4 0.07 ± 60%
perf-profile.children.cycles-pp.__get_next_timer_interrupt
0.46 ± 47% -0.4 0.06 ± 47%
perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
0.45 ± 34% -0.4 0.05 ± 73%
perf-profile.children.cycles-pp.affine_move_task
0.46 ± 27% -0.4 0.07 ± 18%
perf-profile.children.cycles-pp.refresh_cpu_vm_stats
0.44 ± 39% -0.4 0.05 ± 71%
perf-profile.children.cycles-pp.zap_present_ptes
0.48 ± 29% -0.4 0.09 ± 25%
perf-profile.children.cycles-pp.finish_task_switch
0.45 ± 33% -0.4 0.06 ± 29%
perf-profile.children.cycles-pp.__run_timers
0.47 ± 24% -0.4 0.09 ± 25%
perf-profile.children.cycles-pp.begin_new_exec
0.55 ± 21% -0.4 0.17 ± 15%
perf-profile.children.cycles-pp.update_curr_dl_se
0.63 ± 20% -0.4 0.26 ± 17%
perf-profile.children.cycles-pp.__dentry_kill
0.51 ± 19% -0.4 0.14 ± 27%
perf-profile.children.cycles-pp.__timekeeping_advance
0.53 ± 26% -0.4 0.16 ± 26%
perf-profile.children.cycles-pp.sysvec_posted_msi_notification
0.63 ± 21% -0.4 0.26 ± 17%
perf-profile.children.cycles-pp.finish_dput
0.46 ± 40% -0.4 0.08 ± 24%
perf-profile.children.cycles-pp.perf_evsel__read
0.53 ± 32% -0.4 0.16 ± 23%
perf-profile.children.cycles-pp.sched_clock_cpu
0.42 ± 36% -0.4 0.06 ± 52%
perf-profile.children.cycles-pp.tmigr_cpu_activate
0.44 ± 36% -0.4 0.08 ± 22%
perf-profile.children.cycles-pp.clear_page_erms
0.44 ± 36% -0.4 0.08 ± 23%
perf-profile.children.cycles-pp.prep_new_page
0.51 ± 35% -0.4 0.14 ± 27%
perf-profile.children.cycles-pp.sched_clock
0.62 ± 15% -0.4 0.26 ± 13%
perf-profile.children.cycles-pp.__wake_up_sync_key
0.48 ± 30% -0.4 0.12 ± 24%
perf-profile.children.cycles-pp.__resched_curr
0.43 ± 43% -0.4 0.07 ± 22%
perf-profile.children.cycles-pp.folio_batch_move_lru
0.62 ± 25% -0.4 0.26 ± 17%
perf-profile.children.cycles-pp.dev_uevent
0.76 ± 20% -0.4 0.40 ± 15%
perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
0.38 ± 43% -0.4 0.03 ±102%
perf-profile.children.cycles-pp.timer_expire_remote
0.43 ± 36% -0.4 0.08 ± 23%
perf-profile.children.cycles-pp.vms_gather_munmap_vmas
0.39 ± 30% -0.4 0.04 ±110%
perf-profile.children.cycles-pp.tmigr_update_events
0.50 ± 32% -0.3 0.15 ± 16%
perf-profile.children.cycles-pp.dequeue_entity
0.43 ± 21% -0.3 0.08 ± 21%
perf-profile.children.cycles-pp.proc_reg_read_iter
0.50 ± 30% -0.3 0.15 ± 17%
perf-profile.children.cycles-pp.__cond_resched
1.06 ± 12% -0.3 0.71 ± 5%
perf-profile.children.cycles-pp.filename_lookup
0.41 ± 33% -0.3 0.07 ± 48%
perf-profile.children.cycles-pp.alloc_pages_noprof
0.41 ± 22% -0.3 0.08 ± 24%
perf-profile.children.cycles-pp.__mmdrop
0.46 ± 24% -0.3 0.13 ± 15%
perf-profile.children.cycles-pp.ttwu_queue_wakelist
0.42 ± 34% -0.3 0.08 ± 24%
perf-profile.children.cycles-pp.do_anonymous_page
0.63 ± 28% -0.3 0.29 ± 7%
perf-profile.children.cycles-pp.do_open
0.66 ± 9% -0.3 0.32 ± 11%
perf-profile.children.cycles-pp.strncpy_from_user
0.93 ± 19% -0.3 0.60 ± 7%
perf-profile.children.cycles-pp.__do_sys_newfstat
0.62 ± 14% -0.3 0.29 ± 13%
perf-profile.children.cycles-pp.__wake_up_common
0.41 ± 39% -0.3 0.08 ± 25%
perf-profile.children.cycles-pp.perf_read
0.43 ± 28% -0.3 0.10 ± 21%
perf-profile.children.cycles-pp.folios_put_refs
0.88 ± 7% -0.3 0.54 ± 6%
perf-profile.children.cycles-pp.malloc
0.53 ± 24% -0.3 0.20 ± 23%
perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
0.47 ± 22% -0.3 0.15 ± 8%
perf-profile.children.cycles-pp.tick_nohz_irq_exit
0.46 ± 27% -0.3 0.14 ± 10%
perf-profile.children.cycles-pp.read_tsc
0.51 ± 30% -0.3 0.19 ± 20%
perf-profile.children.cycles-pp.irqentry_enter
0.39 ± 27% -0.3 0.07 ± 35%
perf-profile.children.cycles-pp.exec_mmap
0.40 ± 52% -0.3 0.08 ± 54%
perf-profile.children.cycles-pp.asm_sysvec_reschedule_ipi
0.38 ± 25% -0.3 0.06 ± 60%
perf-profile.children.cycles-pp.perf_iterate_sb
0.37 ± 33% -0.3 0.06 ± 16%
perf-profile.children.cycles-pp.__percpu_counter_init_many
1.01 ± 12% -0.3 0.70 ± 5%
perf-profile.children.cycles-pp.__x64_sys_epoll_wait
1.01 ± 14% -0.3 0.70 ± 5%
perf-profile.children.cycles-pp.do_epoll_wait
0.50 ± 22% -0.3 0.19 ± 10%
perf-profile.children.cycles-pp.rcu_do_batch
0.42 ± 22% -0.3 0.11 ± 28%
perf-profile.children.cycles-pp.timekeeping_update_from_shadow
0.87 ± 14% -0.3 0.56 ± 7%
perf-profile.children.cycles-pp.__d_lookup
0.41 ± 22% -0.3 0.10 ± 15%
perf-profile.children.cycles-pp.get_nohz_timer_target
0.34 ± 27% -0.3 0.03 ±100%
perf-profile.children.cycles-pp.mas_store_prealloc
0.41 ± 22% -0.3 0.11 ± 15%
perf-profile.children.cycles-pp.switch_hrtimer_base
0.99 ± 12% -0.3 0.69 ± 5%
perf-profile.children.cycles-pp.ep_poll
0.52 ± 18% -0.3 0.23 ± 5%
perf-profile.children.cycles-pp.shmem_mknod
0.40 ± 34% -0.3 0.10 ± 22%
perf-profile.children.cycles-pp.lapic_next_deadline
0.33 ± 52% -0.3 0.04 ± 76%
perf-profile.children.cycles-pp.lru_add_drain_cpu
0.41 ± 37% -0.3 0.12 ± 46%
perf-profile.children.cycles-pp.rcu_watching_snap_save
0.34 ± 19% -0.3 0.06 ± 50%
perf-profile.children.cycles-pp.anon_pipe_write
0.49 ± 22% -0.3 0.21 ± 7%
perf-profile.children.cycles-pp.path_find_first_component
0.52 ± 30% -0.3 0.24 ± 11%
perf-profile.children.cycles-pp.kobject_uevent_env
0.65 ± 26% -0.3 0.37 ± 9%
perf-profile.children.cycles-pp.wait_for_completion_state
0.30 ± 24% -0.3 0.02 ± 99%
perf-profile.children.cycles-pp.vmstat_update
0.50 ± 17% -0.3 0.22 ± 12%
perf-profile.children.cycles-pp.__check_object_size
0.54 ± 32% -0.3 0.26 ± 15%
perf-profile.children.cycles-pp.alloc_empty_file
0.32 ± 19% -0.3 0.05 ± 74%
perf-profile.children.cycles-pp.__percpu_counter_sum
0.41 ± 20% -0.3 0.14 ± 18%
perf-profile.children.cycles-pp.start_dl_timer
0.33 ± 31% -0.3 0.06 ± 49%
perf-profile.children.cycles-pp.vmstat_start
0.46 ± 13% -0.3 0.20 ± 14%
perf-profile.children.cycles-pp.evict
0.42 ± 24% -0.3 0.15 ± 16%
perf-profile.children.cycles-pp.try_to_block_task
0.34 ± 30% -0.3 0.08 ± 31%
perf-profile.children.cycles-pp.asm_sysvec_call_function
0.47 ± 29% -0.3 0.20 ± 12%
perf-profile.children.cycles-pp.cfree
0.36 ± 26% -0.3 0.09 ± 28%
perf-profile.children.cycles-pp.dup_mmap
0.84 ± 12% -0.3 0.58 ± 4%
perf-profile.children.cycles-pp.schedule_hrtimeout_range_clock
0.30 ± 39% -0.3 0.04 ± 72%
perf-profile.children.cycles-pp.call_timer_fn
0.83 ± 14% -0.3 0.57 ± 5%
perf-profile.children.cycles-pp.do_readlinkat
0.62 ± 26% -0.3 0.37 ± 10%
perf-profile.children.cycles-pp.__wait_rcu_gp
0.46 ± 13% -0.3 0.20 ± 10%
perf-profile.children.cycles-pp.__update_load_avg_cfs_rq
0.41 ± 12% -0.3 0.16 ± 16%
perf-profile.children.cycles-pp.rcu_sched_clock_irq
0.62 ± 26% -0.3 0.37 ± 10%
perf-profile.children.cycles-pp.synchronize_rcu_normal
0.41 ± 28% -0.2 0.16 ± 9%
perf-profile.children.cycles-pp.pick_link
0.41 ± 18% -0.2 0.17 ± 14%
perf-profile.children.cycles-pp.shmem_evict_inode
0.35 ± 33% -0.2 0.11 ± 14%
perf-profile.children.cycles-pp.anon_pipe_read
0.37 ± 27% -0.2 0.13 ± 10%
perf-profile.children.cycles-pp._copy_to_user
0.44 ± 25% -0.2 0.21 ± 16%
perf-profile.children.cycles-pp.siphash24_compress
0.27 ± 30% -0.2 0.04 ±101%
perf-profile.children.cycles-pp.lookup_slow
0.39 ± 17% -0.2 0.16 ± 18%
perf-profile.children.cycles-pp.shmem_undo_range
0.34 ± 23% -0.2 0.11 ± 26%
perf-profile.children.cycles-pp.__sysvec_posted_msi_notification
0.40 ± 16% -0.2 0.16 ± 16%
perf-profile.children.cycles-pp.check_heap_object
0.46 ± 22% -0.2 0.23 ± 11%
perf-profile.children.cycles-pp.shmem_file_write_iter
0.29 ± 16% -0.2 0.06 ± 49%
perf-profile.children.cycles-pp.wp_page_copy
0.46 ± 21% -0.2 0.24 ± 21%
perf-profile.children.cycles-pp.sock_def_readable
0.32 ± 19% -0.2 0.08 ± 26%
perf-profile.children.cycles-pp.note_gp_changes
0.29 ± 14% -0.2 0.07 ± 18%
perf-profile.children.cycles-pp.tick_do_update_jiffies64
0.30 ± 25% -0.2 0.07 ± 27%
perf-profile.children.cycles-pp.load_elf_interp
0.42 ± 15% -0.2 0.20 ± 11%
perf-profile.children.cycles-pp.fstatat64
0.39 ± 33% -0.2 0.17 ± 10%
perf-profile.children.cycles-pp.kobject_uevent_net_broadcast
0.26 ± 33% -0.2 0.04 ± 72%
perf-profile.children.cycles-pp.vma_alloc_folio_noprof
0.25 ± 36% -0.2 0.03 ±103%
perf-profile.children.cycles-pp.alloc_anon_folio
0.39 ± 14% -0.2 0.17 ± 13%
perf-profile.children.cycles-pp.__do_sys_newfstatat
0.39 ± 28% -0.2 0.17 ± 31%
perf-profile.children.cycles-pp.__memcg_slab_free_hook
0.32 ± 13% -0.2 0.10 ± 17%
perf-profile.children.cycles-pp.arch_scale_freq_tick
0.41 ± 18% -0.2 0.19 ± 13%
perf-profile.children.cycles-pp.__netlink_sendskb
0.26 ± 36% -0.2 0.04 ± 73%
perf-profile.children.cycles-pp.copy_strings
0.47 ± 23% -0.2 0.25 ± 11%
perf-profile.children.cycles-pp.__sys_sendmsg
0.32 ± 21% -0.2 0.10 ± 26%
perf-profile.children.cycles-pp.handle_irq_event
0.50 ± 19% -0.2 0.28 ± 7%
perf-profile.children.cycles-pp.led_trigger_remove
0.32 ± 21% -0.2 0.10 ± 25%
perf-profile.children.cycles-pp.handle_edge_irq
0.46 ± 24% -0.2 0.25 ± 11%
perf-profile.children.cycles-pp.___sys_sendmsg
0.33 ± 31% -0.2 0.12 ± 13%
perf-profile.children.cycles-pp.do_one_broadcast
0.26 ± 33% -0.2 0.05 ± 73%
perf-profile.children.cycles-pp.notifier_call_chain
0.26 ± 33% -0.2 0.04 ± 76%
perf-profile.children.cycles-pp.pvclock_gtod_notify
0.35 ± 29% -0.2 0.14 ± 11%
perf-profile.children.cycles-pp.netlink_broadcast_filtered
0.41 ± 12% -0.2 0.20 ± 23%
perf-profile.children.cycles-pp.arch_exit_to_user_mode_prepare
0.30 ± 27% -0.2 0.09 ± 25%
perf-profile.children.cycles-pp.__handle_irq_event_percpu
0.30 ± 27% -0.2 0.09 ± 25%
perf-profile.children.cycles-pp.xhci_irq
0.37 ± 26% -0.2 0.17 ± 8%
perf-profile.children.cycles-pp.generic_perform_write
0.36 ± 19% -0.2 0.16 ± 16%
perf-profile.children.cycles-pp.vfs_fstatat
0.34 ± 22% -0.2 0.14 ± 20%
perf-profile.children.cycles-pp.rcu_pending
0.23 ± 19% -0.2 0.03 ±103%
perf-profile.children.cycles-pp.timerqueue_del
0.29 ± 44% -0.2 0.09 ± 17%
perf-profile.children.cycles-pp.update_curr
0.28 ± 51% -0.2 0.08 ± 37%
perf-profile.children.cycles-pp.ct_nmi_enter
0.22 ± 44% -0.2 0.02 ± 99%
perf-profile.children.cycles-pp.timerqueue_add
0.30 ± 23% -0.2 0.10 ± 25%
perf-profile.children.cycles-pp.native_irq_return_iret
0.43 ± 24% -0.2 0.23 ± 12%
perf-profile.children.cycles-pp.____sys_sendmsg
0.32 ± 29% -0.2 0.13 ± 17%
perf-profile.children.cycles-pp.snprintf
0.44 ± 18% -0.2 0.24 ± 16%
perf-profile.children.cycles-pp.ep_poll_callback
0.42 ± 26% -0.2 0.22 ± 12%
perf-profile.children.cycles-pp.netlink_sendmsg
0.38 ± 27% -0.2 0.19 ± 16%
perf-profile.children.cycles-pp.statx
0.26 ± 31% -0.2 0.07 ± 24%
perf-profile.children.cycles-pp.ct_kernel_exit_state
0.38 ± 20% -0.2 0.19 ± 20%
perf-profile.children.cycles-pp.__wake_up_sync
0.30 ± 29% -0.2 0.11 ± 10%
perf-profile.children.cycles-pp.d_alloc_parallel
0.26 ± 34% -0.2 0.07 ± 18%
perf-profile.children.cycles-pp.irqtime_account_irq
0.30 ± 15% -0.2 0.12 ± 30%
perf-profile.children.cycles-pp.__d_lookup_rcu
0.20 ± 18% -0.2 0.02 ± 99%
perf-profile.children.cycles-pp.seq_read
0.79 ± 17% -0.2 0.61 ± 4%
perf-profile.children.cycles-pp.readlinkat
0.31 ± 22% -0.2 0.13 ± 18%
perf-profile.children.cycles-pp.vfs_statx
0.27 ± 30% -0.2 0.09 ± 22%
perf-profile.children.cycles-pp.mutex_lock
0.30 ± 36% -0.2 0.12 ± 14%
perf-profile.children.cycles-pp.netlink_broadcast
0.25 ± 27% -0.2 0.08 ± 22%
perf-profile.children.cycles-pp.__smp_call_single_queue
0.30 ± 40% -0.2 0.12 ± 23%
perf-profile.children.cycles-pp.input_print_modalias_parts
0.21 ± 32% -0.2 0.03 ±106%
perf-profile.children.cycles-pp.sysvec_call_function
0.30 ± 29% -0.2 0.12 ± 15%
perf-profile.children.cycles-pp.cp_new_stat
0.23 ± 21% -0.2 0.06 ± 17%
perf-profile.children.cycles-pp.free_pgtables
0.29 ± 21% -0.2 0.12 ± 19%
perf-profile.children.cycles-pp.__virt_addr_valid
0.22 ± 38% -0.2 0.06 ± 52%
perf-profile.children.cycles-pp.local_clock_noinstr
0.73 ± 15% -0.2 0.56 ± 4%
perf-profile.children.cycles-pp.__x64_sys_readlinkat
0.35 ± 25% -0.2 0.18 ± 16%
perf-profile.children.cycles-pp.vfs_rename
0.20 ± 36% -0.2 0.04 ±100%
perf-profile.children.cycles-pp.__mutex_unlock_slowpath
0.21 ± 44% -0.2 0.05 ± 48%
perf-profile.children.cycles-pp.exit_to_user_mode_loop
0.22 ± 30% -0.2 0.07 ± 11%
perf-profile.children.cycles-pp.native_apic_msr_eoi
0.25 ± 21% -0.2 0.09 ± 24%
perf-profile.children.cycles-pp.select_task_rq
0.24 ± 31% -0.2 0.08 ± 13%
perf-profile.children.cycles-pp.__update_load_avg_se
0.25 ± 21% -0.2 0.10 ± 18%
perf-profile.children.cycles-pp.kfree
0.35 ± 17% -0.2 0.20 ± 20%
perf-profile.children.cycles-pp.ep_autoremove_wake_function
0.25 ± 40% -0.1 0.10 ± 29%
perf-profile.children.cycles-pp.input_print_modalias_bits
0.20 ± 49% -0.1 0.05 ± 49%
perf-profile.children.cycles-pp.__x64_sys_unlink
0.21 ± 48% -0.1 0.06 ± 47%
perf-profile.children.cycles-pp.format_decode
0.19 ± 53% -0.1 0.04 ± 73%
perf-profile.children.cycles-pp.do_unlinkat
0.18 ± 17% -0.1 0.03 ±103%
perf-profile.children.cycles-pp.need_update
0.27 ± 32% -0.1 0.12 ± 20%
perf-profile.children.cycles-pp.tick_nohz_stop_idle
0.18 ± 27% -0.1 0.04 ± 71%
perf-profile.children.cycles-pp.autoremove_wake_function
0.19 ± 46% -0.1 0.05 ± 80%
perf-profile.children.cycles-pp.refill_obj_stock
0.20 ± 45% -0.1 0.06 ± 19%
perf-profile.children.cycles-pp.unlink
0.18 ± 35% -0.1 0.04 ± 71%
perf-profile.children.cycles-pp.set_next_task_fair
0.23 ± 31% -0.1 0.10 ± 19%
perf-profile.children.cycles-pp.check_cpu_stall
0.20 ± 50% -0.1 0.07 ± 28%
perf-profile.children.cycles-pp.add_uevent_var
0.21 ± 32% -0.1 0.07 ± 21%
perf-profile.children.cycles-pp.usbhid_restart_ctrl_queue
0.22 ± 24% -0.1 0.09 ± 20%
perf-profile.children.cycles-pp.__shmem_get_inode
0.19 ± 29% -0.1 0.06 ± 51%
perf-profile.children.cycles-pp.llist_reverse_order
0.19 ± 34% -0.1 0.06 ± 19%
perf-profile.children.cycles-pp.number
0.27 ± 17% -0.1 0.14 ± 9%
perf-profile.children.cycles-pp.path_init
0.26 ± 20% -0.1 0.14 ± 12%
perf-profile.children.cycles-pp.mempool_alloc_tile
0.19 ± 35% -0.1 0.07 ± 24%
perf-profile.children.cycles-pp.__queue_work
0.27 ± 28% -0.1 0.15 ± 13%
perf-profile.children.cycles-pp.siphash24_finalize
0.29 ± 21% -0.1 0.16 ± 22%
perf-profile.children.cycles-pp.sock_recvmsg
0.19 ± 40% -0.1 0.08 ± 20%
perf-profile.children.cycles-pp.utimensat
0.19 ± 32% -0.1 0.08 ± 24%
perf-profile.children.cycles-pp.simple_offset_add
0.19 ± 29% -0.1 0.08 ± 25%
perf-profile.children.cycles-pp.mtree_alloc_cyclic
0.18 ± 37% -0.1 0.07 ± 28%
perf-profile.children.cycles-pp.fchmod
0.22 ± 15% -0.1 0.10 ± 13%
perf-profile.children.cycles-pp.shmem_write_begin
0.22 ± 25% -0.1 0.11 ± 18%
perf-profile.children.cycles-pp.shmem_get_folio_gfp
0.18 ± 42% -0.1 0.07 ± 23%
perf-profile.children.cycles-pp.__x64_sys_utimensat
0.18 ± 42% -0.1 0.07 ± 23%
perf-profile.children.cycles-pp.do_utimes
0.14 ± 33% -0.1 0.03 ±103%
perf-profile.children.cycles-pp.__d_alloc
0.18 ± 23% -0.1 0.08 ± 19%
perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
0.25 ± 24% -0.1 0.14 ± 17%
perf-profile.children.cycles-pp.input_handle_event
0.15 ± 43% -0.1 0.04 ± 45%
perf-profile.children.cycles-pp.update_se
0.18 ± 22% -0.1 0.07 ± 12%
perf-profile.children.cycles-pp.update_dl_rq_load_avg
0.14 ± 38% -0.1 0.04 ± 72%
perf-profile.children.cycles-pp.rmqueue
0.23 ± 15% -0.1 0.13 ± 27%
perf-profile.children.cycles-pp.switch_fpu_return
0.22 ± 24% -0.1 0.12 ± 25%
perf-profile.children.cycles-pp.startswith
0.26 ± 24% -0.1 0.16 ± 12%
perf-profile.children.cycles-pp.input_inject_event
0.19 ± 31% -0.1 0.10 ± 11%
perf-profile.children.cycles-pp.shmem_rename2
0.18 ± 12% -0.1 0.09 ± 18%
perf-profile.children.cycles-pp.shmem_alloc_and_add_folio
0.12 ± 20% -0.1 0.03 ±100%
perf-profile.children.cycles-pp.vscnprintf
0.13 ± 38% -0.1 0.04 ± 73%
perf-profile.children.cycles-pp.kernfs_unlink_open_file
0.19 ± 22% -0.1 0.10 ± 25%
perf-profile.children.cycles-pp.restore_fpregs_from_fpstate
0.12 ± 33% -0.1 0.04 ± 72%
perf-profile.children.cycles-pp.alloc_inode
0.14 ± 13% -0.1 0.05 ± 49%
perf-profile.children.cycles-pp.calc_global_load_tick
0.11 ± 37% -0.1 0.03 ±102%
perf-profile.children.cycles-pp.__note_gp_changes
0.15 ± 44% -0.1 0.07 ± 14%
perf-profile.children.cycles-pp._find_next_and_bit
0.14 ± 41% -0.1 0.06 ± 47%
perf-profile.children.cycles-pp.fstatfs64
0.16 ± 24% -0.1 0.07 ± 18%
perf-profile.children.cycles-pp.usb_hcd_submit_urb
0.17 ± 22% -0.1 0.08 ± 24%
perf-profile.children.cycles-pp.hid_submit_ctrl
0.15 ± 37% -0.1 0.07 ± 20%
perf-profile.children.cycles-pp.new_inode
0.12 ± 47% -0.1 0.04 ± 72%
perf-profile.children.cycles-pp.shmem_file_read_iter
0.14 ± 27% -0.1 0.06 ± 51%
perf-profile.children.cycles-pp.xhci_urb_enqueue
0.10 ± 41% -0.1 0.03 ±100%
perf-profile.children.cycles-pp.__x64_sys_recvfrom
0.14 ± 46% -0.1 0.06 ± 17%
perf-profile.children.cycles-pp.queue_work_on
0.20 ± 16% -0.1 0.12 ± 18%
perf-profile.children.cycles-pp.netlink_recvmsg
0.12 ± 28% -0.1 0.05 ± 76%
perf-profile.children.cycles-pp.xhci_queue_ctrl_tx
0.17 ± 31% -0.1 0.10 ± 15%
perf-profile.children.cycles-pp.vfs_readlink
0.12 ± 18% -0.1 0.05 ± 46%
perf-profile.children.cycles-pp._find_next_bit
0.14 ± 40% -0.1 0.07 ± 9%
perf-profile.children.cycles-pp.simple_offset_rename
0.12 ± 22% -0.1 0.06 ± 50%
perf-profile.children.cycles-pp.realloc
0.12 ± 37% -0.1 0.06 ± 11%
perf-profile.children.cycles-pp.generic_fillattr
0.12 ± 19% -0.1 0.06 ± 7%
perf-profile.children.cycles-pp.set_task_cpu
0.00 +0.1 0.08 ± 15%
perf-profile.children.cycles-pp.drm_gem_vunmap
0.00 +0.1 0.08 ± 20%
perf-profile.children.cycles-pp.ww_mutex_lock
0.00 +0.1 0.08 ± 14%
perf-profile.children.cycles-pp.drm_gem_fb_vunmap
0.01 ±223% +0.2 0.25 ± 27%
perf-profile.children.cycles-pp.drm_fb_helper_damage
0.06 ±223% +0.4 0.48 ± 19%
perf-profile.children.cycles-pp.drm_fbdev_shmem_defio_imageblit
0.05 ±223% +0.4 0.48 ± 19%
perf-profile.children.cycles-pp.sys_imageblit
0.08 ±223% +0.7 0.77 ± 21%
perf-profile.children.cycles-pp.bit_putcs
0.08 ±223% +0.7 0.78 ± 22%
perf-profile.children.cycles-pp.fbcon_putcs
0.06 ±223% +0.7 0.78 ± 7%
perf-profile.children.cycles-pp.wait_for_lsr
0.09 ±223% +0.7 0.82 ± 19%
perf-profile.children.cycles-pp.fbcon_redraw
0.09 ±223% +0.8 0.86 ± 18%
perf-profile.children.cycles-pp.con_scroll
0.09 ±223% +0.8 0.86 ± 18%
perf-profile.children.cycles-pp.fbcon_scroll
0.09 ±223% +0.8 0.86 ± 18% perf-profile.children.cycles-pp.lf
0.06 ±223% +0.8 0.90 ± 7%
perf-profile.children.cycles-pp.io_serial_in
0.10 ±223% +0.9 1.00 ± 18%
perf-profile.children.cycles-pp.vt_console_print
0.70 ±223% +7.9 8.58 ± 8%
perf-profile.children.cycles-pp.io_serial_out
0.77 ±223% +8.7 9.50 ± 8%
perf-profile.children.cycles-pp.serial8250_console_write
1.10 ±174% +9.5 10.58 ± 8%
perf-profile.children.cycles-pp.usbhid_request
0.87 ±223% +9.6 10.50 ± 8%
perf-profile.children.cycles-pp._dev_warn
0.87 ±223% +9.6 10.50 ± 8%
perf-profile.children.cycles-pp.dev_printk_emit
0.87 ±223% +9.6 10.50 ± 8%
perf-profile.children.cycles-pp.dev_vprintk_emit
0.87 ±223% +9.6 10.51 ± 8%
perf-profile.children.cycles-pp.vprintk_emit
0.88 ±223% +9.6 10.52 ± 9%
perf-profile.children.cycles-pp.console_unlock
0.87 ±223% +9.6 10.52 ± 9%
perf-profile.children.cycles-pp.console_flush_one_record
5.30 ±223% +50.2 55.52 ± 4%
perf-profile.children.cycles-pp.memcpy_toio
5.30 ±223% +50.2 55.53 ± 4%
perf-profile.children.cycles-pp.drm_fb_memcpy
5.30 ±223% +50.2 55.53 ± 4%
perf-profile.children.cycles-pp.ast_primary_plane_helper_atomic_update
5.31 ±223% +50.3 55.63 ± 4%
perf-profile.children.cycles-pp.drm_atomic_helper_commit_tail
5.31 ±223% +50.3 55.64 ± 4%
perf-profile.children.cycles-pp.ast_mode_config_helper_atomic_commit_tail
5.31 ±223% +50.3 55.65 ± 4%
perf-profile.children.cycles-pp.commit_tail
5.31 ±223% +50.4 55.67 ± 4%
perf-profile.children.cycles-pp.drm_atomic_helper_commit
5.33 ±222% +50.4 55.69 ± 4%
perf-profile.children.cycles-pp.drm_atomic_commit
5.38 ±220% +50.4 55.77 ± 4%
perf-profile.children.cycles-pp.drm_atomic_helper_dirtyfb
5.38 ±220% +50.4 55.77 ± 4%
perf-profile.children.cycles-pp.drm_fbdev_shmem_helper_fb_dirty
5.38 ±220% +50.4 55.77 ± 4%
perf-profile.children.cycles-pp.drm_fb_helper_damage_work
12.64 ± 99% +55.1 67.74 ± 4%
perf-profile.children.cycles-pp.ret_from_fork
12.64 ± 99% +55.1 67.74 ± 4%
perf-profile.children.cycles-pp.ret_from_fork_asm
12.53 ±100% +55.2 67.70 ± 4%
perf-profile.children.cycles-pp.kthread
0.00 +55.6 55.62 ± 4%
perf-profile.children.cycles-pp.drm_atomic_helper_commit_planes
8.09 ±166% +58.8 66.85 ± 4%
perf-profile.children.cycles-pp.worker_thread
7.91 ±170% +58.8 66.76 ± 4%
perf-profile.children.cycles-pp.process_one_work
6.49 ± 17% -4.7 1.79 ± 11%
perf-profile.self.cycles-pp.pv_native_safe_halt
4.70 ± 15% -3.0 1.74 ± 7%
perf-profile.self.cycles-pp._raw_spin_lock
3.41 ± 15% -1.9 1.53 ± 13%
perf-profile.self.cycles-pp.update_sg_lb_stats
2.22 ± 10% -1.4 0.78 ± 14%
perf-profile.self.cycles-pp.ktime_get
1.90 ± 16% -1.3 0.61 ± 17%
perf-profile.self.cycles-pp.update_rq_clock
1.74 ± 10% -1.1 0.64 ± 9%
perf-profile.self.cycles-pp.idle_cpu
1.27 ± 15% -1.0 0.27 ± 23%
perf-profile.self.cycles-pp.update_rq_clock_task
1.63 ± 15% -0.9 0.71 ± 8%
perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.79 ± 32% -0.7 0.12 ± 43%
perf-profile.self.cycles-pp.copy_mc_enhanced_fast_string
1.30 ± 18% -0.6 0.68 ± 12%
perf-profile.self.cycles-pp.seccomp_run_filters
0.92 ± 16% -0.6 0.32 ± 13%
perf-profile.self.cycles-pp.get_jiffies_update
0.77 ± 30% -0.6 0.18 ± 11%
perf-profile.self.cycles-pp.__pi_memset
0.70 ± 29% -0.6 0.12 ± 26%
perf-profile.self.cycles-pp.update_sg_wakeup_stats
0.64 ± 25% -0.5 0.10 ± 22%
perf-profile.self.cycles-pp.next_uptodate_folio
0.72 ± 21% -0.5 0.18 ± 12%
perf-profile.self.cycles-pp.__pi_memcpy
0.70 ± 29% -0.5 0.18 ± 24%
perf-profile.self.cycles-pp.native_sched_clock
0.82 ± 8% -0.5 0.34 ± 12%
perf-profile.self.cycles-pp.sched_balance_update_blocked_averages
0.63 ± 20% -0.5 0.16 ± 27%
perf-profile.self.cycles-pp.mutex_spin_on_owner
0.77 ± 17% -0.5 0.31 ± 15%
perf-profile.self.cycles-pp.ktime_get_update_offsets_now
0.68 ± 21% -0.5 0.22 ± 20%
perf-profile.self.cycles-pp.tick_nohz_next_event
0.67 ± 22% -0.4 0.23 ± 10%
perf-profile.self.cycles-pp.update_load_avg
0.51 ± 30% -0.4 0.09 ± 28%
perf-profile.self.cycles-pp.fold_vm_zone_numa_events
0.59 ± 10% -0.4 0.17 ± 20%
perf-profile.self.cycles-pp.tick_nohz_handler
0.46 ± 47% -0.4 0.06 ± 47%
perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
0.63 ± 24% -0.4 0.27 ± 10%
perf-profile.self.cycles-pp.entry_SYSCALL_64
0.48 ± 30% -0.4 0.12 ± 24%
perf-profile.self.cycles-pp.__resched_curr
0.43 ± 35% -0.4 0.08 ± 22%
perf-profile.self.cycles-pp.clear_page_erms
0.75 ± 21% -0.4 0.40 ± 15%
perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
0.45 ± 30% -0.3 0.14 ± 12%
perf-profile.self.cycles-pp.read_tsc
0.41 ± 18% -0.3 0.11 ± 32%
perf-profile.self.cycles-pp.menu_select
0.82 ± 12% -0.3 0.52 ± 7% perf-profile.self.cycles-pp.malloc
0.40 ± 34% -0.3 0.10 ± 22%
perf-profile.self.cycles-pp.lapic_next_deadline
0.41 ± 37% -0.3 0.12 ± 46%
perf-profile.self.cycles-pp.rcu_watching_snap_save
0.48 ± 21% -0.3 0.20 ± 6%
perf-profile.self.cycles-pp.path_find_first_component
0.30 ± 17% -0.3 0.04 ± 77%
perf-profile.self.cycles-pp.__percpu_counter_sum
0.42 ± 30% -0.2 0.18 ± 16% perf-profile.self.cycles-pp.cfree
0.44 ± 25% -0.2 0.21 ± 17%
perf-profile.self.cycles-pp.siphash24_compress
0.32 ± 27% -0.2 0.09 ± 13%
perf-profile.self.cycles-pp.do_syscall_64
0.41 ± 14% -0.2 0.19 ± 9%
perf-profile.self.cycles-pp.__update_load_avg_cfs_rq
0.35 ± 27% -0.2 0.13 ± 8%
perf-profile.self.cycles-pp._copy_to_user
0.36 ± 20% -0.2 0.15 ± 25%
perf-profile.self.cycles-pp.kmem_cache_free
0.28 ± 29% -0.2 0.08 ± 51%
perf-profile.self.cycles-pp.__flush_smp_call_function_queue
0.37 ± 25% -0.2 0.17 ± 19%
perf-profile.self.cycles-pp.kmem_cache_alloc_noprof
0.30 ± 23% -0.2 0.10 ± 22%
perf-profile.self.cycles-pp.native_irq_return_iret
0.23 ± 42% -0.2 0.03 ±105%
perf-profile.self.cycles-pp.handle_softirqs
0.28 ± 20% -0.2 0.08 ± 22%
perf-profile.self.cycles-pp.arch_scale_freq_tick
0.26 ± 31% -0.2 0.06 ± 19%
perf-profile.self.cycles-pp.ct_kernel_exit_state
0.25 ± 37% -0.2 0.07 ± 18%
perf-profile.self.cycles-pp.sched_balance_domains
0.30 ± 28% -0.2 0.12 ± 20%
perf-profile.self.cycles-pp.sched_balance_newidle
0.26 ± 32% -0.2 0.08 ± 13%
perf-profile.self.cycles-pp.vfs_getattr_nosec
0.30 ± 16% -0.2 0.12 ± 30%
perf-profile.self.cycles-pp.__d_lookup_rcu
0.21 ± 41% -0.2 0.04 ± 73%
perf-profile.self.cycles-pp.pvclock_gtod_notify
0.27 ± 24% -0.2 0.10 ± 17%
perf-profile.self.cycles-pp.vsnprintf
0.29 ± 20% -0.2 0.12 ± 18%
perf-profile.self.cycles-pp.__virt_addr_valid
0.27 ± 37% -0.2 0.10 ± 12%
perf-profile.self.cycles-pp.__schedule
0.25 ± 26% -0.2 0.09 ± 25%
perf-profile.self.cycles-pp.mutex_lock
0.22 ± 30% -0.2 0.07 ± 11%
perf-profile.self.cycles-pp.native_apic_msr_eoi
0.26 ± 22% -0.2 0.12 ± 24%
perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
0.21 ± 26% -0.1 0.06 ± 49%
perf-profile.self.cycles-pp.__smp_call_single_queue
0.22 ± 36% -0.1 0.08 ± 17%
perf-profile.self.cycles-pp.__update_load_avg_se
0.20 ± 47% -0.1 0.06 ± 46%
perf-profile.self.cycles-pp.format_decode
0.19 ± 22% -0.1 0.06 ± 54%
perf-profile.self.cycles-pp.enqueue_task_fair
0.23 ± 31% -0.1 0.10 ± 19%
perf-profile.self.cycles-pp.check_cpu_stall
0.19 ± 29% -0.1 0.06 ± 51%
perf-profile.self.cycles-pp.llist_reverse_order
0.26 ± 20% -0.1 0.14 ± 12%
perf-profile.self.cycles-pp.mempool_alloc_tile
0.23 ± 15% -0.1 0.11 ± 10%
perf-profile.self.cycles-pp.irqentry_enter
0.26 ± 27% -0.1 0.14 ± 12%
perf-profile.self.cycles-pp.siphash24_finalize
0.19 ± 29% -0.1 0.07 ± 18%
perf-profile.self.cycles-pp.sched_balance_rq
0.16 ± 40% -0.1 0.04 ±108%
perf-profile.self.cycles-pp.sched_tick
0.18 ± 29% -0.1 0.06 ± 21% perf-profile.self.cycles-pp.number
0.26 ± 12% -0.1 0.15 ± 7%
perf-profile.self.cycles-pp.strncpy_from_user
0.18 ± 23% -0.1 0.07 ± 18%
perf-profile.self.cycles-pp.arch_exit_to_user_mode_prepare
0.15 ± 41% -0.1 0.04 ± 75%
perf-profile.self.cycles-pp.__cond_resched
0.18 ± 22% -0.1 0.07 ± 12%
perf-profile.self.cycles-pp.update_dl_rq_load_avg
0.13 ± 26% -0.1 0.03 ±105%
perf-profile.self.cycles-pp.sched_ttwu_pending
0.13 ± 57% -0.1 0.03 ±100%
perf-profile.self.cycles-pp.step_into_slowpath
0.12 ± 28% -0.1 0.03 ±102%
perf-profile.self.cycles-pp.enqueue_entity
0.20 ± 20% -0.1 0.10 ± 23%
perf-profile.self.cycles-pp.startswith
0.15 ± 28% -0.1 0.06 ± 15%
perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.19 ± 22% -0.1 0.10 ± 25%
perf-profile.self.cycles-pp.restore_fpregs_from_fpstate
0.18 ± 24% -0.1 0.10 ± 30%
perf-profile.self.cycles-pp.__memcg_slab_free_hook
0.16 ± 28% -0.1 0.07 ± 16% perf-profile.self.cycles-pp.kfree
0.13 ± 16% -0.1 0.05 ± 49%
perf-profile.self.cycles-pp.calc_global_load_tick
0.11 ± 37% -0.1 0.04 ± 71%
perf-profile.self.cycles-pp.rcu_pending
0.17 ± 37% -0.1 0.09 ± 35%
perf-profile.self.cycles-pp.__d_lookup
0.13 ± 29% -0.1 0.06 ± 14%
perf-profile.self.cycles-pp.path_extend_internal
0.11 ± 34% -0.1 0.05 ± 48%
perf-profile.self.cycles-pp._find_next_bit
0.08 ± 11% -0.1 0.03 ±100%
perf-profile.self.cycles-pp.update_process_times
0.10 ± 20% -0.1 0.05 ± 51%
perf-profile.self.cycles-pp.realloc
0.00 +0.1 0.07 ± 20%
perf-profile.self.cycles-pp.ww_mutex_lock
0.00 +0.1 0.08 ± 12%
perf-profile.self.cycles-pp.fbcon_redraw
0.05 ±223% +0.4 0.48 ± 19%
perf-profile.self.cycles-pp.sys_imageblit
0.06 ±223% +0.8 0.90 ± 7%
perf-profile.self.cycles-pp.io_serial_in
0.70 ±223% +7.9 8.58 ± 8%
perf-profile.self.cycles-pp.io_serial_out
5.29 ±223% +50.2 55.48 ± 4%
perf-profile.self.cycles-pp.memcpy_toio
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
