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PH8PR11MB6779.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Oct 2023 06:20:34.8345 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: m8T2YlKeCYCdBgTusXJTaSy2n3ddB9IrCmOFJYGIWGpLd0cZNhRae7RSYfJp+IxSy83x/VMuFlyWQAu1vUyYjQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR11MB5567 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Hello, kernel test robot noticed a -12.7% regression of stress-ng.clock.ops_per_sec on: commit: 403376ddb4221be9db5326ae334773807df71ffe ("ptp: add debugfs interface to see applied channel masks") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master testcase: stress-ng test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 128G memory parameters: nr_threads: 1 disk: 1HDD testtime: 60s class: interrupt test: clock cpufreq_governor: performance 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 | Closes: https://lore.kernel.org/oe-lkp/202310271441.b9fb0896-oliver.sang@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20231027/202310271441.b9fb0896-oliver.sang@intel.com ========================================================================================= class/compiler/cpufreq_governor/disk/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: interrupt/gcc-12/performance/1HDD/x86_64-rhel-8.3/1/debian-11.1-x86_64-20220510.cgz/lkp-csl-d02/clock/stress-ng/60s commit: c5a445b1e9 ("ptp: support event queue reader channel masks") 403376ddb4 ("ptp: add debugfs interface to see applied channel masks") c5a445b1e9347b14 403376ddb4221be9db5326ae334 ---------------- --------------------------- %stddev %change %stddev \ | \ 2.50 +8.3% 2.71 iostat.cpu.system 0.05 ± 3% +0.0 0.06 mpstat.cpu.all.soft% 1.84 +0.2 2.04 mpstat.cpu.all.sys% 200469 -10.7% 178950 vmstat.system.cs 135153 -7.8% 124597 vmstat.system.in 2804514 -12.7% 2448917 stress-ng.clock.ops 46741 -12.7% 40815 stress-ng.clock.ops_per_sec 78.00 +2.6% 80.00 stress-ng.time.percent_of_cpu_this_job_got 5606454 -12.7% 4896355 stress-ng.time.voluntary_context_switches 18583 ± 5% +31.1% 24360 ± 9% turbostat.C1 2.90 ± 2% +0.1 3.03 turbostat.C1E% 5353747 -13.0% 4655189 turbostat.POLL 0.28 -0.0 0.24 turbostat.POLL% 10.11 +1.4% 10.25 turbostat.RAMWatt 88825 -6.6% 82944 proc-vmstat.nr_active_anon 11367 +4.6% 11892 proc-vmstat.nr_mapped 96532 -6.6% 90119 proc-vmstat.nr_shmem 19819 +4.1% 20633 proc-vmstat.nr_slab_reclaimable 88825 -6.6% 82944 proc-vmstat.nr_zone_active_anon 420661 +27.6% 536903 ± 35% proc-vmstat.numa_hit 420556 +27.4% 535725 ± 36% proc-vmstat.numa_local 133275 -6.9% 124053 proc-vmstat.pgactivate 488366 ± 2% +60.4% 783374 proc-vmstat.pgalloc_normal 227687 +3.2% 234860 proc-vmstat.pgfault 323139 ± 3% +94.6% 628694 proc-vmstat.pgfree 0.00 ±141% +325.0% 0.01 ± 26% perf-sched.sch_delay.avg.ms.kjournald2.kthread.ret_from_fork.ret_from_fork_asm 0.01 ±217% +455.3% 0.04 ± 68% perf-sched.sch_delay.max.ms.__cond_resched.__kmem_cache_alloc_node.__kmalloc_node.alloc_cpumask_var_node.clock_was_set 0.10 ± 14% +66.8% 0.16 ± 15% perf-sched.sch_delay.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep_timens.__x64_sys_clock_nanosleep 0.00 ±141% +325.0% 0.01 ± 26% perf-sched.sch_delay.max.ms.kjournald2.kthread.ret_from_fork.ret_from_fork_asm 0.91 ± 21% -53.8% 0.42 ± 55% perf-sched.sch_delay.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 1.27 +18.7% 1.51 perf-sched.total_wait_and_delay.average.ms 1.27 +18.7% 1.51 perf-sched.total_wait_time.average.ms 18.82 ± 20% +59.4% 29.99 ± 27% perf-sched.wait_and_delay.avg.ms.__cond_resched.generic_perform_write.shmem_file_write_iter.vfs_write.ksys_write 1278 ± 2% +16.3% 1487 ± 3% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 220.33 ± 5% +14.1% 251.33 ± 2% perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 0.20 ± 13% +63.7% 0.33 ± 14% perf-sched.wait_and_delay.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep_timens.__x64_sys_clock_nanosleep 18.82 ± 20% +59.4% 29.99 ± 27% perf-sched.wait_time.avg.ms.__cond_resched.generic_perform_write.shmem_file_write_iter.vfs_write.ksys_write 0.01 ±208% +433.3% 0.05 ± 64% perf-sched.wait_time.max.ms.__cond_resched.__kmem_cache_alloc_node.__kmalloc_node.alloc_cpumask_var_node.clock_was_set 0.10 ± 12% +60.7% 0.16 ± 13% perf-sched.wait_time.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep_timens.__x64_sys_clock_nanosleep 0.13 +35.1% 0.17 ± 2% perf-stat.i.MPKI 9.417e+08 +4.1% 9.8e+08 perf-stat.i.branch-instructions 4.24 ± 2% +0.6 4.81 ± 2% perf-stat.i.cache-miss-rate% 1107890 +23.8% 1371103 ± 2% perf-stat.i.cache-misses 18969540 +28.6% 24388966 perf-stat.i.cache-references 210406 -11.1% 187069 perf-stat.i.context-switches 1.15 -3.5% 1.11 perf-stat.i.cpi 185.83 ± 2% +7.7% 200.19 ± 4% perf-stat.i.cpu-migrations 56299 ± 6% -64.8% 19830 ± 6% perf-stat.i.cycles-between-cache-misses 1.249e+09 +2.7% 1.283e+09 perf-stat.i.dTLB-loads 0.00 ± 6% +0.0 0.00 ± 4% perf-stat.i.dTLB-store-miss-rate% 7425 ± 5% +12.8% 8373 ± 4% perf-stat.i.dTLB-store-misses 7.573e+08 +2.3% 7.746e+08 perf-stat.i.dTLB-stores 6674913 ± 2% -5.5% 6305796 perf-stat.i.iTLB-load-misses 5.03e+09 +3.1% 5.184e+09 perf-stat.i.instructions 1159 +5.5% 1222 ± 2% perf-stat.i.instructions-per-iTLB-miss 0.89 +3.0% 0.92 perf-stat.i.ipc 536.86 +28.0% 687.18 perf-stat.i.metric.K/sec 81.89 +3.0% 84.38 perf-stat.i.metric.M/sec 2127 +5.2% 2239 ± 2% perf-stat.i.minor-faults 106399 ± 2% +36.0% 144713 ± 3% perf-stat.i.node-loads 106511 ± 5% +71.6% 182771 ± 3% perf-stat.i.node-stores 2127 +5.2% 2239 ± 2% perf-stat.i.page-faults 0.22 +20.1% 0.26 ± 2% perf-stat.overall.MPKI 1.09 -2.6% 1.06 perf-stat.overall.cpi 4955 -18.8% 4021 ± 2% perf-stat.overall.cycles-between-cache-misses 0.00 ± 5% +0.0 0.00 ± 4% perf-stat.overall.dTLB-store-miss-rate% 753.96 +9.1% 822.64 ± 2% perf-stat.overall.instructions-per-iTLB-miss 0.92 +2.7% 0.94 perf-stat.overall.ipc 9.27e+08 +4.1% 9.648e+08 perf-stat.ps.branch-instructions 1090868 +23.8% 1350235 ± 2% perf-stat.ps.cache-misses 18670301 +28.6% 24005580 perf-stat.ps.cache-references 207054 -11.1% 184104 perf-stat.ps.context-switches 182.86 ± 2% +7.7% 197.01 ± 4% perf-stat.ps.cpu-migrations 1.229e+09 +2.7% 1.263e+09 perf-stat.ps.dTLB-loads 7309 ± 5% +12.8% 8244 ± 4% perf-stat.ps.dTLB-store-misses 7.454e+08 +2.3% 7.624e+08 perf-stat.ps.dTLB-stores 6568626 ± 2% -5.5% 6205894 perf-stat.ps.iTLB-load-misses 4.951e+09 +3.1% 5.103e+09 perf-stat.ps.instructions 2094 +5.2% 2204 ± 2% perf-stat.ps.minor-faults 104758 ± 2% +36.0% 142499 ± 3% perf-stat.ps.node-loads 104880 ± 5% +71.6% 179969 ± 3% perf-stat.ps.node-stores 2094 +5.2% 2204 ± 2% perf-stat.ps.page-faults 3.124e+11 +3.9% 3.245e+11 perf-stat.total.instructions 9.42 ± 5% -2.2 7.20 ± 8% perf-profile.calltrace.cycles-pp.clock_gettime 9.26 ± 5% -2.2 7.08 ± 8% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.clock_gettime 9.24 ± 5% -2.2 7.07 ± 8% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_gettime 8.84 ± 5% -2.2 6.67 ± 9% perf-profile.calltrace.cycles-pp.e1000e_read_systim.e1000e_phc_gettimex.pc_clock_gettime.__x64_sys_clock_gettime.do_syscall_64 9.20 ± 5% -2.2 7.04 ± 8% perf-profile.calltrace.cycles-pp.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_gettime 8.96 ± 5% -2.2 6.81 ± 8% perf-profile.calltrace.cycles-pp.e1000e_phc_gettimex.pc_clock_gettime.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe 9.12 ± 5% -2.1 6.98 ± 8% perf-profile.calltrace.cycles-pp.pc_clock_gettime.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_gettime 10.96 ± 2% -2.0 8.98 ± 8% perf-profile.calltrace.cycles-pp.syscall 10.98 ± 3% -1.7 9.28 ± 9% perf-profile.calltrace.cycles-pp.clock_adjtime 10.09 ± 3% -1.5 8.55 ± 10% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.clock_adjtime 9.94 ± 3% -1.5 8.42 ± 10% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_adjtime 9.68 ± 3% -1.5 8.20 ± 10% perf-profile.calltrace.cycles-pp.__do_sys_clock_adjtime.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_adjtime 8.53 ± 4% -1.3 7.22 ± 9% perf-profile.calltrace.cycles-pp.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_adjtime 6.44 ± 5% -1.2 5.20 ± 10% perf-profile.calltrace.cycles-pp.poll_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 6.22 ± 4% -1.1 5.12 ± 11% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall 5.59 ± 3% -1.0 4.59 ± 11% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 6.42 ± 3% -0.9 5.51 ± 10% perf-profile.calltrace.cycles-pp.timekeeping_inject_offset.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64.entry_SYSCALL_64_after_hwframe 5.86 ± 3% -0.9 5.00 ± 9% perf-profile.calltrace.cycles-pp.clock_was_set.timekeeping_inject_offset.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64 3.34 ± 5% -0.7 2.68 ± 11% perf-profile.calltrace.cycles-pp.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 2.99 ± 9% -0.6 2.34 ± 14% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.poll_idle.cpuidle_enter_state.cpuidle_enter 2.47 ± 13% -0.5 1.94 ± 15% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.poll_idle.cpuidle_enter_state 3.31 ± 3% -0.5 2.83 ± 8% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.clock_was_set.timekeeping_inject_offset.do_adjtimex.__do_sys_clock_adjtime 2.78 ± 3% -0.4 2.42 ± 10% perf-profile.calltrace.cycles-pp.timer_create 2.37 ± 3% -0.3 2.07 ± 10% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.timer_create 2.33 ± 3% -0.3 2.03 ± 10% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_create 1.64 ± 3% -0.3 1.36 ± 10% perf-profile.calltrace.cycles-pp.add_device_randomness.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.43 ± 3% -0.3 1.16 ± 11% perf-profile.calltrace.cycles-pp.blake2s_compress.blake2s_update.add_device_randomness.do_adjtimex.__do_sys_clock_adjtime 1.52 ± 3% -0.3 1.26 ± 11% perf-profile.calltrace.cycles-pp.blake2s_update.add_device_randomness.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64 1.23 ± 8% -0.2 0.99 ± 12% perf-profile.calltrace.cycles-pp.posix_cpu_clock_get.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 1.02 ± 5% -0.1 0.88 ± 12% perf-profile.calltrace.cycles-pp.read_tsc.ktime_get_update_offsets_now.clock_was_set.timekeeping_inject_offset.do_adjtimex 0.74 ± 4% -0.1 0.61 ± 13% perf-profile.calltrace.cycles-pp.ttwu_do_activate.try_to_wake_up.hrtimer_wakeup.__hrtimer_run_queues.hrtimer_interrupt 0.47 ± 45% +0.4 0.90 ± 17% perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.00 +0.7 0.69 ± 10% perf-profile.calltrace.cycles-pp.lookup_one_len.start_creating.__debugfs_create_file.ptp_open.posix_clock_open 0.00 +0.7 0.72 ± 12% perf-profile.calltrace.cycles-pp.dput.simple_recursive_removal.debugfs_remove.ptp_release.posix_clock_release 0.00 +0.7 0.75 ± 14% perf-profile.calltrace.cycles-pp.lookup_one_len.start_creating.debugfs_create_dir.ptp_open.posix_clock_open 0.00 +0.8 0.75 ± 12% perf-profile.calltrace.cycles-pp.start_creating.__debugfs_create_file.ptp_open.posix_clock_open.chrdev_open 0.00 +0.9 0.86 ± 15% perf-profile.calltrace.cycles-pp.start_creating.debugfs_create_dir.ptp_open.posix_clock_open.chrdev_open 0.00 +0.9 0.91 ± 14% perf-profile.calltrace.cycles-pp.mnt_get_count.mntput_no_expire.simple_recursive_removal.debugfs_remove.ptp_release 0.00 +1.0 1.05 ± 13% perf-profile.calltrace.cycles-pp.mntput_no_expire.simple_recursive_removal.debugfs_remove.ptp_release.posix_clock_release 0.00 +1.3 1.26 ± 12% perf-profile.calltrace.cycles-pp.__debugfs_create_file.ptp_open.posix_clock_open.chrdev_open.do_dentry_open 0.00 +1.5 1.47 ± 13% perf-profile.calltrace.cycles-pp.debugfs_create_dir.ptp_open.posix_clock_open.chrdev_open.do_dentry_open 0.00 +2.4 2.42 ± 11% perf-profile.calltrace.cycles-pp.simple_recursive_removal.debugfs_remove.ptp_release.posix_clock_release.__fput 0.00 +3.0 2.95 ± 11% perf-profile.calltrace.cycles-pp.debugfs_remove.ptp_release.posix_clock_release.__fput.__x64_sys_close 1.74 ± 5% +3.0 4.71 ± 8% perf-profile.calltrace.cycles-pp.do_dentry_open.do_open.path_openat.do_filp_open.do_sys_openat2 2.90 ± 6% +3.0 5.87 ± 9% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64 1.35 ± 6% +3.0 4.33 ± 8% perf-profile.calltrace.cycles-pp.posix_clock_open.chrdev_open.do_dentry_open.do_open.path_openat 1.42 ± 6% +3.0 4.41 ± 8% perf-profile.calltrace.cycles-pp.chrdev_open.do_dentry_open.do_open.path_openat.do_filp_open 2.02 ± 5% +3.0 5.01 ± 8% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat 2.95 ± 6% +3.0 5.95 ± 9% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.51 ± 6% +3.0 6.51 ± 9% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 3.54 ± 6% +3.0 6.55 ± 9% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 1.18 ± 6% +3.0 4.21 ± 8% perf-profile.calltrace.cycles-pp.ptp_open.posix_clock_open.chrdev_open.do_dentry_open.do_open 3.57 ± 6% +3.0 6.61 ± 9% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64 3.75 ± 6% +3.1 6.82 ± 10% perf-profile.calltrace.cycles-pp.open64 3.58 ± 6% +3.1 6.66 ± 10% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64 0.93 ± 11% +3.2 4.16 ± 11% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close 0.90 ± 11% +3.2 4.13 ± 11% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 0.87 ± 11% +3.2 4.10 ± 12% perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 1.06 ± 8% +3.2 4.30 ± 11% perf-profile.calltrace.cycles-pp.__close 0.51 ± 45% +3.4 3.91 ± 12% perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close 0.00 +3.6 3.59 ± 11% perf-profile.calltrace.cycles-pp.ptp_release.posix_clock_release.__fput.__x64_sys_close.do_syscall_64 0.00 +3.7 3.68 ± 11% perf-profile.calltrace.cycles-pp.posix_clock_release.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe 12.58 ± 4% -2.8 9.74 ± 9% perf-profile.children.cycles-pp.__x64_sys_clock_gettime 9.42 ± 5% -2.2 7.20 ± 8% perf-profile.children.cycles-pp.clock_gettime 8.84 ± 5% -2.2 6.67 ± 9% perf-profile.children.cycles-pp.e1000e_read_systim 8.97 ± 5% -2.2 6.81 ± 8% perf-profile.children.cycles-pp.e1000e_phc_gettimex 9.12 ± 5% -2.1 6.98 ± 8% perf-profile.children.cycles-pp.pc_clock_gettime 10.92 ± 3% -1.8 9.07 ± 8% perf-profile.children.cycles-pp.syscall 11.24 ± 3% -1.7 9.51 ± 10% perf-profile.children.cycles-pp.clock_adjtime 9.69 ± 3% -1.5 8.21 ± 10% perf-profile.children.cycles-pp.__do_sys_clock_adjtime 7.19 ± 4% -1.4 5.80 ± 10% perf-profile.children.cycles-pp.poll_idle 8.53 ± 4% -1.3 7.22 ± 9% perf-profile.children.cycles-pp.do_adjtimex 6.42 ± 3% -0.9 5.51 ± 10% perf-profile.children.cycles-pp.timekeeping_inject_offset 5.93 ± 3% -0.9 5.06 ± 9% perf-profile.children.cycles-pp.clock_was_set 4.47 ± 3% -0.5 3.98 ± 7% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 2.37 ± 3% -0.4 1.95 ± 9% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 2.88 ± 2% -0.4 2.50 ± 10% perf-profile.children.cycles-pp.timer_create 2.08 ± 3% -0.3 1.74 ± 9% perf-profile.children.cycles-pp.read_tsc 1.65 ± 3% -0.3 1.37 ± 11% perf-profile.children.cycles-pp.add_device_randomness 1.43 ± 3% -0.3 1.16 ± 11% perf-profile.children.cycles-pp.blake2s_compress 1.53 ± 3% -0.3 1.26 ± 11% perf-profile.children.cycles-pp.blake2s_update 1.74 ± 5% -0.3 1.48 ± 8% perf-profile.children.cycles-pp.hrtimer_wakeup 1.24 ± 8% -0.2 1.00 ± 12% perf-profile.children.cycles-pp.posix_cpu_clock_get 1.70 ± 5% -0.2 1.46 ± 8% perf-profile.children.cycles-pp.try_to_wake_up 1.81 ± 6% -0.2 1.59 ± 11% perf-profile.children.cycles-pp.ktime_get_update_offsets_now 1.14 ± 3% -0.2 0.96 ± 10% perf-profile.children.cycles-pp.ttwu_do_activate 0.91 ± 3% -0.2 0.73 ± 13% perf-profile.children.cycles-pp.rep_movs_alternative 1.20 ± 6% -0.2 1.02 ± 9% perf-profile.children.cycles-pp.lapic_next_deadline 1.04 ± 4% -0.2 0.87 ± 13% perf-profile.children.cycles-pp.hrtimer_start_range_ns 1.00 ± 4% -0.1 0.86 ± 10% perf-profile.children.cycles-pp.activate_task 0.96 ± 5% -0.1 0.83 ± 10% perf-profile.children.cycles-pp.syscall_exit_to_user_mode 0.46 ± 7% -0.1 0.33 ± 15% perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore 0.54 ± 8% -0.1 0.42 ± 16% perf-profile.children.cycles-pp.clockevents_program_min_delta 1.04 ± 4% -0.1 0.94 ± 6% perf-profile.children.cycles-pp.memset_orig 0.52 ± 8% -0.1 0.42 ± 10% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack 0.22 ± 17% -0.1 0.14 ± 34% perf-profile.children.cycles-pp.posix_get_monotonic_timespec 0.22 ± 20% -0.1 0.14 ± 20% perf-profile.children.cycles-pp.ktime_get_real_ts64 0.11 ± 20% -0.1 0.05 ± 51% perf-profile.children.cycles-pp.__cgroup_account_cputime 0.22 ± 9% -0.1 0.16 ± 16% perf-profile.children.cycles-pp.posix_get_boottime_timespec 0.12 ± 7% -0.0 0.08 ± 27% perf-profile.children.cycles-pp.update_curr_fair 0.06 ± 46% +0.0 0.10 ± 25% perf-profile.children.cycles-pp.memcpy_orig 0.01 ±223% +0.1 0.07 ± 21% perf-profile.children.cycles-pp.rcu_nocb_try_bypass 0.00 +0.1 0.06 ± 14% perf-profile.children.cycles-pp.default_pointer 0.00 +0.1 0.07 ± 15% perf-profile.children.cycles-pp.__srcu_read_unlock 0.00 +0.1 0.08 ± 32% perf-profile.children.cycles-pp.iput 0.00 +0.1 0.08 ± 23% perf-profile.children.cycles-pp.lookup_one_common 0.00 +0.1 0.09 ± 18% perf-profile.children.cycles-pp.inode_init_once 0.00 +0.1 0.09 ± 22% perf-profile.children.cycles-pp.__srcu_read_lock 0.00 +0.1 0.09 ± 26% perf-profile.children.cycles-pp.up_write 0.00 +0.1 0.09 ± 20% perf-profile.children.cycles-pp.__d_lookup 0.00 +0.1 0.10 ± 19% perf-profile.children.cycles-pp.setup_object 0.14 ± 20% +0.1 0.24 ± 13% perf-profile.children.cycles-pp.get_obj_cgroup_from_current 0.00 +0.1 0.10 ± 27% perf-profile.children.cycles-pp.shrink_dcache_parent 0.02 ±142% +0.1 0.12 ± 9% perf-profile.children.cycles-pp.lockref_put_or_lock 0.00 +0.1 0.10 ± 20% perf-profile.children.cycles-pp.d_lookup 0.00 +0.1 0.10 ± 18% perf-profile.children.cycles-pp.__wake_up_common_lock 0.00 +0.1 0.11 ± 17% perf-profile.children.cycles-pp.lookup_dcache 0.00 +0.1 0.11 ± 22% perf-profile.children.cycles-pp.shuffle_freelist 0.00 +0.1 0.12 ± 17% perf-profile.children.cycles-pp.d_instantiate 0.00 +0.1 0.12 ± 24% perf-profile.children.cycles-pp.down_write 0.10 ± 36% +0.1 0.23 ± 29% perf-profile.children.cycles-pp.obj_cgroup_charge 0.00 +0.1 0.14 ± 24% perf-profile.children.cycles-pp.allocate_slab 0.00 +0.1 0.14 ± 36% perf-profile.children.cycles-pp.memcg_list_lru_alloc 0.00 +0.1 0.14 ± 34% perf-profile.children.cycles-pp.d_walk 0.00 +0.1 0.14 ± 5% perf-profile.children.cycles-pp.number 0.00 +0.2 0.16 ± 16% perf-profile.children.cycles-pp.__destroy_inode 0.00 +0.2 0.16 ± 16% perf-profile.children.cycles-pp.dentry_unlink_inode 0.10 ± 26% +0.2 0.26 ± 18% perf-profile.children.cycles-pp.___slab_alloc 0.00 +0.2 0.17 ± 17% perf-profile.children.cycles-pp.destroy_inode 0.00 +0.2 0.18 ± 13% perf-profile.children.cycles-pp.fsnotify_grab_connector 0.27 ± 20% +0.2 0.44 ± 12% perf-profile.children.cycles-pp.__call_rcu_common 0.34 ± 14% +0.2 0.52 ± 15% perf-profile.children.cycles-pp.mod_objcg_state 0.00 +0.2 0.19 ± 8% perf-profile.children.cycles-pp.inode_init_always 0.00 +0.2 0.22 ± 15% perf-profile.children.cycles-pp.fsnotify_destroy_marks 0.40 ± 12% +0.3 0.66 ± 18% perf-profile.children.cycles-pp.memcg_slab_post_alloc_hook 0.00 +0.3 0.26 ± 22% perf-profile.children.cycles-pp.d_invalidate 0.00 +0.3 0.28 ± 10% perf-profile.children.cycles-pp.__d_add 0.00 +0.3 0.30 ± 11% perf-profile.children.cycles-pp.simple_lookup 0.00 +0.3 0.32 ± 15% perf-profile.children.cycles-pp.evict 0.55 ± 9% +0.4 0.90 ± 17% perf-profile.children.cycles-pp.smpboot_thread_fn 0.14 ± 24% +0.4 0.50 ± 15% perf-profile.children.cycles-pp._find_next_bit 0.00 +0.4 0.37 ± 11% perf-profile.children.cycles-pp.sprintf 0.00 +0.4 0.37 ± 11% perf-profile.children.cycles-pp.vsnprintf 0.00 +0.4 0.43 ± 15% perf-profile.children.cycles-pp.slab_pre_alloc_hook 0.00 +0.6 0.58 ± 12% perf-profile.children.cycles-pp.__d_alloc 1.69 ± 7% +0.6 2.30 ± 14% perf-profile.children.cycles-pp.__do_softirq 1.15 ± 4% +0.6 1.80 ± 17% perf-profile.children.cycles-pp.rcu_do_batch 1.26 ± 4% +0.6 1.91 ± 15% perf-profile.children.cycles-pp.rcu_core 0.00 +0.7 0.70 ± 14% perf-profile.children.cycles-pp.alloc_inode 0.00 +0.8 0.76 ± 10% perf-profile.children.cycles-pp.d_alloc 0.00 +0.8 0.84 ± 11% perf-profile.children.cycles-pp.d_alloc_parallel 0.59 ± 6% +0.9 1.46 ± 5% perf-profile.children.cycles-pp._raw_spin_lock 0.00 +0.9 0.91 ± 11% perf-profile.children.cycles-pp.new_inode 0.00 +1.0 1.01 ± 15% perf-profile.children.cycles-pp.kmem_cache_alloc_lru 0.00 +1.0 1.05 ± 11% perf-profile.children.cycles-pp.__dentry_kill 0.00 +1.1 1.10 ± 11% perf-profile.children.cycles-pp.dentry_kill 0.00 +1.2 1.16 ± 11% perf-profile.children.cycles-pp.__lookup_slow 0.10 ± 30% +1.2 1.31 ± 10% perf-profile.children.cycles-pp.dput 0.00 +1.3 1.26 ± 12% perf-profile.children.cycles-pp.__debugfs_create_file 0.00 +1.4 1.44 ± 13% perf-profile.children.cycles-pp.mnt_get_count 0.00 +1.4 1.44 ± 11% perf-profile.children.cycles-pp.lookup_one_len 0.00 +1.5 1.47 ± 13% perf-profile.children.cycles-pp.debugfs_create_dir 0.01 ±223% +1.6 1.60 ± 13% perf-profile.children.cycles-pp.mntput_no_expire 0.00 +1.6 1.61 ± 11% perf-profile.children.cycles-pp.start_creating 0.00 +2.4 2.43 ± 12% perf-profile.children.cycles-pp.simple_recursive_removal 0.00 +3.0 2.96 ± 11% perf-profile.children.cycles-pp.debugfs_remove 1.75 ± 5% +3.0 4.71 ± 8% perf-profile.children.cycles-pp.do_dentry_open 1.35 ± 6% +3.0 4.33 ± 8% perf-profile.children.cycles-pp.posix_clock_open 2.93 ± 5% +3.0 5.91 ± 9% perf-profile.children.cycles-pp.path_openat 1.42 ± 6% +3.0 4.41 ± 8% perf-profile.children.cycles-pp.chrdev_open 2.03 ± 5% +3.0 5.02 ± 8% perf-profile.children.cycles-pp.do_open 2.97 ± 6% +3.0 5.98 ± 9% perf-profile.children.cycles-pp.do_filp_open 3.54 ± 6% +3.0 6.56 ± 9% perf-profile.children.cycles-pp.do_sys_openat2 3.57 ± 6% +3.0 6.59 ± 9% perf-profile.children.cycles-pp.__x64_sys_openat 1.18 ± 6% +3.0 4.22 ± 8% perf-profile.children.cycles-pp.ptp_open 3.79 ± 6% +3.1 6.84 ± 10% perf-profile.children.cycles-pp.open64 0.87 ± 11% +3.2 4.10 ± 12% perf-profile.children.cycles-pp.__x64_sys_close 1.09 ± 9% +3.2 4.34 ± 11% perf-profile.children.cycles-pp.__close 0.59 ± 11% +3.3 3.92 ± 12% perf-profile.children.cycles-pp.__fput 0.31 ± 19% +3.4 3.68 ± 11% perf-profile.children.cycles-pp.posix_clock_release 0.18 ± 15% +3.4 3.59 ± 11% perf-profile.children.cycles-pp.ptp_release 8.84 ± 5% -2.2 6.67 ± 9% perf-profile.self.cycles-pp.e1000e_read_systim 3.55 ± 7% -0.8 2.72 ± 14% perf-profile.self.cycles-pp.poll_idle 4.42 ± 3% -0.5 3.92 ± 7% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 2.32 ± 4% -0.4 1.90 ± 9% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 2.01 ± 3% -0.3 1.70 ± 8% perf-profile.self.cycles-pp.read_tsc 1.78 ± 5% -0.3 1.50 ± 9% perf-profile.self.cycles-pp.syscall 1.43 ± 3% -0.3 1.16 ± 11% perf-profile.self.cycles-pp.blake2s_compress 1.08 ± 5% -0.2 0.88 ± 15% perf-profile.self.cycles-pp._copy_to_user 1.20 ± 6% -0.2 1.02 ± 9% perf-profile.self.cycles-pp.lapic_next_deadline 0.56 ± 4% -0.1 0.44 ± 17% perf-profile.self.cycles-pp.rep_movs_alternative 0.42 ± 8% -0.1 0.30 ± 16% perf-profile.self.cycles-pp._raw_spin_unlock_irqrestore 0.52 ± 8% -0.1 0.42 ± 10% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack 0.38 ± 10% -0.1 0.30 ± 19% perf-profile.self.cycles-pp.syscall_enter_from_user_mode 0.44 ± 9% -0.1 0.36 ± 9% perf-profile.self.cycles-pp.__schedule 0.28 ± 14% -0.1 0.20 ± 10% perf-profile.self.cycles-pp.exit_to_user_mode_prepare 0.09 ± 29% -0.1 0.04 ± 72% perf-profile.self.cycles-pp.do_adjtimex 0.21 ± 13% -0.0 0.16 ± 10% perf-profile.self.cycles-pp.__update_load_avg_se 0.12 ± 8% -0.0 0.08 ± 22% perf-profile.self.cycles-pp.update_curr_fair 0.13 ± 20% -0.0 0.10 ± 10% perf-profile.self.cycles-pp.apparmor_capable 0.06 ± 50% +0.0 0.10 ± 16% perf-profile.self.cycles-pp.get_obj_cgroup_from_current 0.02 ±144% +0.1 0.07 ± 17% perf-profile.self.cycles-pp.do_filp_open 0.17 ± 16% +0.1 0.23 ± 12% perf-profile.self.cycles-pp.put_timespec64 0.02 ±141% +0.1 0.08 ± 27% perf-profile.self.cycles-pp.___slab_alloc 0.00 +0.1 0.07 ± 15% perf-profile.self.cycles-pp.__srcu_read_unlock 0.02 ±141% +0.1 0.09 ± 24% perf-profile.self.cycles-pp.lockref_put_or_lock 0.44 ± 9% +0.1 0.52 ± 9% perf-profile.self.cycles-pp.kmem_cache_free 0.00 +0.1 0.09 ± 21% perf-profile.self.cycles-pp.inode_init_once 0.00 +0.1 0.09 ± 21% perf-profile.self.cycles-pp.__srcu_read_lock 0.00 +0.1 0.09 ± 25% perf-profile.self.cycles-pp.up_write 0.00 +0.1 0.09 ± 21% perf-profile.self.cycles-pp.__d_lookup 0.00 +0.1 0.09 ± 26% perf-profile.self.cycles-pp.down_write 0.00 +0.1 0.09 ± 27% perf-profile.self.cycles-pp.slab_pre_alloc_hook 0.01 ±223% +0.1 0.11 ± 51% perf-profile.self.cycles-pp.mntput_no_expire 0.00 +0.1 0.11 ± 9% perf-profile.self.cycles-pp.kmem_cache_alloc_lru 0.00 +0.1 0.12 ± 12% perf-profile.self.cycles-pp.inode_init_always 0.00 +0.1 0.14 ± 5% perf-profile.self.cycles-pp.number 0.26 ± 19% +0.2 0.44 ± 18% perf-profile.self.cycles-pp.memcg_slab_post_alloc_hook 0.11 ± 29% +0.3 0.39 ± 18% perf-profile.self.cycles-pp._find_next_bit 0.58 ± 7% +0.8 1.42 ± 5% perf-profile.self.cycles-pp._raw_spin_lock 0.00 +1.1 1.14 ± 14% perf-profile.self.cycles-pp.mnt_get_count 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