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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed a 51.9% regression of fsmark.app_overhead on: ( but there is no performance difference for fsmark.files_per_sec 18.58 -0.2% 18.55 fsmark.files_per_sec ) commit: 38f83090f515b4b5d59382dfada1e7457f19aa47 ("cpuidle: menu: Remove iowait influence") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master testcase: fsmark test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz (Ice Lake) with 128G memory parameters: iterations: 1x nr_threads: 1t disk: 1HDD fs: btrfs fs2: nfsv4 filesize: 4K test_size: 40M sync_method: fsyncBeforeClose nr_files_per_directory: 1fpd 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/202410072214.11d18a3c-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/20241007/202410072214.11d18a3c-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/disk/filesize/fs2/fs/iterations/kconfig/nr_files_per_directory/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase: gcc-12/performance/1HDD/4K/nfsv4/btrfs/1x/x86_64-rhel-8.3/1fpd/1t/debian-12-x86_64-20240206.cgz/fsyncBeforeClose/lkp-icl-2sp6/40M/fsmark commit: v6.12-rc1 38f83090f5 ("cpuidle: menu: Remove iowait influence") v6.12-rc1 38f83090f515b4b5d59382dfada ---------------- --------------------------- %stddev %change %stddev \ | \ 2032015 ± 3% +51.9% 3087623 fsmark.app_overhead 18.58 -0.2% 18.55 fsmark.files_per_sec 2944 -2.9% 2858 vmstat.system.cs 0.02 +0.0 0.02 mpstat.cpu.all.irq% 0.01 ± 2% +0.0 0.01 mpstat.cpu.all.soft% 0.04 ± 2% +0.0 0.05 ± 3% mpstat.cpu.all.sys% 4.07 ± 18% -53.4% 1.90 ± 53% sched_debug.cfs_rq:/.removed.runnable_avg.avg 267.72 ± 38% -62.7% 99.92 ± 75% sched_debug.cfs_rq:/.removed.runnable_avg.max 30.08 ± 29% -58.5% 12.50 ± 63% sched_debug.cfs_rq:/.removed.runnable_avg.stddev 4.07 ± 18% -53.5% 1.89 ± 53% sched_debug.cfs_rq:/.removed.util_avg.avg 267.67 ± 38% -62.7% 99.92 ± 75% sched_debug.cfs_rq:/.removed.util_avg.max 30.08 ± 29% -58.5% 12.49 ± 63% sched_debug.cfs_rq:/.removed.util_avg.stddev 20.43 ± 17% -25.5% 15.21 ± 16% sched_debug.cfs_rq:/.util_est.stddev 7.85 ± 14% +21.6% 9.55 ± 12% sched_debug.cpu.clock.stddev 0.00 ± 25% -47.7% 0.00 ± 44% sched_debug.cpu.next_balance.stddev 0.02 ± 10% -18.9% 0.02 ± 11% sched_debug.cpu.nr_running.avg 0.14 ± 5% -14.5% 0.12 ± 4% sched_debug.cpu.nr_running.stddev 5.19 +0.6 5.79 perf-stat.i.branch-miss-rate% 4096977 ± 4% +8.4% 4442600 ± 2% perf-stat.i.branch-misses 1.79 ± 7% -0.2 1.59 ± 3% perf-stat.i.cache-miss-rate% 11620307 +22.2% 14202690 perf-stat.i.cache-references 2925 -3.2% 2830 perf-stat.i.context-switches 1.68 +38.6% 2.32 perf-stat.i.cpi 4.457e+08 ± 3% +23.8% 5.518e+08 ± 2% perf-stat.i.cpu-cycles 1630 ± 8% +28.6% 2096 ± 4% perf-stat.i.cycles-between-cache-misses 0.63 -25.5% 0.47 perf-stat.i.ipc 5.26 +0.2 5.48 perf-stat.overall.branch-miss-rate% 1.16 +18.4% 1.38 perf-stat.overall.cpi 0.86 -15.6% 0.73 perf-stat.overall.ipc 4103944 ± 4% +7.9% 4429579 perf-stat.ps.branch-misses 11617199 +22.1% 14186503 perf-stat.ps.cache-references 2919 -3.2% 2825 perf-stat.ps.context-switches 4.492e+08 ± 3% +23.2% 5.534e+08 ± 2% perf-stat.ps.cpu-cycles 0.12 ± 4% -23.1% 0.09 ± 12% perf-sched.sch_delay.avg.ms.__cond_resched.__wait_for_common.__synchronize_srcu.fsnotify_connector_destroy_workfn.process_one_work 0.00 ± 8% +52.0% 0.01 ± 17% perf-sched.sch_delay.avg.ms.btrfs_start_ordered_extent.btrfs_wait_ordered_range.btrfs_sync_file.btrfs_do_write_iter 0.01 ± 13% +178.9% 0.03 ± 11% perf-sched.sch_delay.avg.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range 0.01 ± 13% +47.2% 0.01 ± 14% perf-sched.sch_delay.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 0.00 ± 14% +257.1% 0.01 ± 20% perf-sched.sch_delay.avg.ms.rpc_wait_bit_killable.__wait_on_bit.out_of_line_wait_on_bit.nfs4_run_open_task 0.06 ± 2% +11.8% 0.06 ± 3% perf-sched.sch_delay.avg.ms.schedule_hrtimeout_range_clock.do_poll.constprop.0.do_sys_poll 0.12 ± 7% -14.5% 0.10 ± 4% perf-sched.sch_delay.avg.ms.schedule_timeout.__wait_for_common.__synchronize_srcu.fsnotify_connector_destroy_workfn 0.09 ± 8% +13.9% 0.10 ± 9% perf-sched.sch_delay.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork 0.03 ± 2% +27.5% 0.03 ± 14% perf-sched.sch_delay.max.ms.irq_thread.kthread.ret_from_fork.ret_from_fork_asm 0.14 ± 6% +20.5% 0.17 ± 11% perf-sched.sch_delay.max.ms.rpc_wait_bit_killable.__wait_on_bit.out_of_line_wait_on_bit.__rpc_execute 0.01 ± 2% +867.1% 0.14 ± 21% perf-sched.sch_delay.max.ms.rpc_wait_bit_killable.__wait_on_bit.out_of_line_wait_on_bit.nfs4_run_open_task 0.27 ± 17% +652.4% 2.03 ±183% perf-sched.wait_and_delay.avg.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64 0.11 ± 7% +67.0% 0.19 ± 12% perf-sched.wait_and_delay.avg.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range 33.20 ± 3% +29.7% 43.08 ± 4% perf-sched.wait_and_delay.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 0.84 ± 4% -16.6% 0.70 ± 10% perf-sched.wait_and_delay.avg.ms.schedule_timeout.__wait_for_common.__synchronize_srcu.fsnotify_mark_destroy_workfn 2121 ± 3% -23.3% 1626 ± 5% perf-sched.wait_and_delay.count.pipe_read.vfs_read.ksys_read.do_syscall_64 2.98 ±143% +5665.5% 171.90 ±215% perf-sched.wait_and_delay.max.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64 0.56 ± 14% +38.0% 0.77 ± 7% perf-sched.wait_and_delay.max.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range 0.35 ± 9% +50.9% 0.53 ± 8% perf-sched.wait_and_delay.max.ms.rpc_wait_bit_killable.__wait_on_bit.out_of_line_wait_on_bit.nfs4_run_open_task 3768 ± 16% +17.0% 4411 ± 5% perf-sched.wait_and_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 0.16 ± 4% +20.4% 0.20 ± 4% perf-sched.wait_time.avg.ms.__cond_resched.__wait_for_common.__synchronize_srcu.fsnotify_connector_destroy_workfn.process_one_work 0.89 ± 14% -35.2% 0.58 ± 17% perf-sched.wait_time.avg.ms.__cond_resched.__wait_for_common.__synchronize_srcu.fsnotify_mark_destroy_workfn.process_one_work 0.24 ± 20% +728.0% 1.99 ±186% perf-sched.wait_time.avg.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64 0.10 ± 9% +57.0% 0.16 ± 12% perf-sched.wait_time.avg.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range 33.20 ± 3% +29.7% 43.07 ± 4% perf-sched.wait_time.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 0.79 ± 5% -19.7% 0.63 ± 12% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.__synchronize_srcu.fsnotify_mark_destroy_workfn 0.27 ± 8% +13.3% 0.30 ± 5% perf-sched.wait_time.max.ms.__cond_resched.__wait_for_common.__synchronize_srcu.fsnotify_connector_destroy_workfn.process_one_work 0.50 ± 17% +33.3% 0.67 ± 8% perf-sched.wait_time.max.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range 0.34 ± 9% +23.1% 0.42 ± 8% perf-sched.wait_time.max.ms.rpc_wait_bit_killable.__wait_on_bit.out_of_line_wait_on_bit.nfs4_run_open_task 5.60 ± 7% -1.3 4.32 ± 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe 5.57 ± 7% -1.3 4.30 ± 6% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.33 ± 7% -0.5 0.86 ± 15% perf-profile.calltrace.cycles-pp.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call 1.32 ± 7% -0.5 0.86 ± 15% perf-profile.calltrace.cycles-pp.mmput.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group 1.30 ± 8% -0.5 0.85 ± 15% perf-profile.calltrace.cycles-pp.exit_mmap.mmput.exit_mm.do_exit.do_group_exit 1.88 ± 12% -0.4 1.48 ± 8% perf-profile.calltrace.cycles-pp.x64_sys_call.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.78 ± 13% +0.2 0.95 ± 12% perf-profile.calltrace.cycles-pp.call_transmit.__rpc_execute.rpc_async_schedule.process_one_work.worker_thread 0.83 ± 15% +0.2 1.06 ± 11% perf-profile.calltrace.cycles-pp.__vfork 1.11 ± 15% +0.2 1.34 ± 10% perf-profile.calltrace.cycles-pp.update_sg_lb_stats.update_sd_lb_stats.sched_balance_find_src_group.sched_balance_rq.sched_balance_newidle 0.39 ± 71% +0.3 0.72 ± 9% perf-profile.calltrace.cycles-pp.start_ordered_ops.btrfs_sync_file.btrfs_do_write_iter.do_iter_readv_writev.vfs_iter_write 0.54 ± 46% +0.4 0.91 ± 16% perf-profile.calltrace.cycles-pp.evsel__read_counter.read_counters.process_interval.dispatch_events.cmd_stat 0.92 ± 20% +0.4 1.32 ± 11% perf-profile.calltrace.cycles-pp.irq_enter_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter 0.18 ±141% +0.4 0.61 ± 10% perf-profile.calltrace.cycles-pp.readn.evsel__read_counter.read_counters.process_interval.dispatch_events 0.84 ± 20% +0.4 1.28 ± 10% perf-profile.calltrace.cycles-pp.tick_irq_enter.irq_enter_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state 0.09 ±223% +0.5 0.60 ± 10% perf-profile.calltrace.cycles-pp.read.readn.evsel__read_counter.read_counters.process_interval 0.00 +0.6 0.58 ± 8% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read.readn.evsel__read_counter 0.00 +0.6 0.58 ± 8% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read.readn.evsel__read_counter.read_counters 3.34 ± 8% +0.8 4.16 ± 9% perf-profile.calltrace.cycles-pp.update_process_times.tick_nohz_handler.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt 17.29 ± 2% +0.9 18.18 ± 3% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm 17.29 ± 2% +0.9 18.18 ± 3% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm 17.29 ± 2% +0.9 18.18 ± 3% perf-profile.calltrace.cycles-pp.ret_from_fork_asm 4.19 ± 5% +1.3 5.51 ± 4% perf-profile.calltrace.cycles-pp.tick_nohz_handler.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt 5.20 ± 8% +1.5 6.67 ± 3% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt 6.40 ± 9% +1.6 7.96 ± 4% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state 6.53 ± 10% +1.7 8.21 ± 3% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter 11.90 ± 7% +2.4 14.29 ± 3% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 14.08 ± 7% +2.6 16.65 ± 4% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 1.04 ± 29% -0.9 0.12 ± 77% perf-profile.children.cycles-pp.poll_idle 1.87 ± 9% -0.5 1.35 ± 7% perf-profile.children.cycles-pp.mmput 1.84 ± 11% -0.5 1.34 ± 7% perf-profile.children.cycles-pp.exit_mmap 2.08 ± 11% -0.5 1.62 ± 8% perf-profile.children.cycles-pp.x64_sys_call 1.94 ± 12% -0.5 1.48 ± 7% perf-profile.children.cycles-pp.do_exit 1.76 ± 12% -0.5 1.30 ± 11% perf-profile.children.cycles-pp.__x64_sys_exit_group 1.75 ± 12% -0.5 1.30 ± 11% perf-profile.children.cycles-pp.do_group_exit 1.42 ± 7% -0.4 1.00 ± 11% perf-profile.children.cycles-pp.exit_mm 0.94 ± 12% -0.4 0.59 ± 11% perf-profile.children.cycles-pp.unmap_vmas 1.03 ± 14% -0.3 0.72 ± 7% perf-profile.children.cycles-pp.btree_write_cache_pages 0.85 ± 9% -0.3 0.54 ± 11% perf-profile.children.cycles-pp.unmap_page_range 0.96 ± 17% -0.3 0.67 ± 7% perf-profile.children.cycles-pp.submit_eb_page 0.82 ± 8% -0.3 0.53 ± 10% perf-profile.children.cycles-pp.zap_pmd_range 0.78 ± 9% -0.3 0.50 ± 11% perf-profile.children.cycles-pp.zap_pte_range 0.65 ± 15% -0.3 0.39 ± 14% perf-profile.children.cycles-pp.zap_present_ptes 0.70 ± 19% -0.2 0.46 ± 22% perf-profile.children.cycles-pp.sched_clock_cpu 0.61 ± 23% -0.2 0.37 ± 21% perf-profile.children.cycles-pp.sched_clock 0.65 ± 8% -0.2 0.45 ± 27% perf-profile.children.cycles-pp.dl_server_stop 0.55 ± 6% -0.2 0.38 ± 5% perf-profile.children.cycles-pp.btrfs_commit_transaction 0.45 ± 6% -0.2 0.29 ± 28% perf-profile.children.cycles-pp.alloc_empty_file 0.65 ± 15% -0.2 0.49 ± 16% perf-profile.children.cycles-pp.read_tsc 0.23 ± 36% -0.1 0.09 ± 27% perf-profile.children.cycles-pp.vma_alloc_folio_noprof 0.37 ± 5% -0.1 0.25 perf-profile.children.cycles-pp.__btrfs_run_delayed_refs 0.37 ± 5% -0.1 0.25 perf-profile.children.cycles-pp.btrfs_run_delayed_refs 0.19 ± 53% -0.1 0.07 ± 89% perf-profile.children.cycles-pp.mas_next_slot 0.36 ± 6% -0.1 0.25 ± 5% perf-profile.children.cycles-pp.btrfs_run_delayed_refs_for_head 0.35 ± 4% -0.1 0.24 ± 9% perf-profile.children.cycles-pp.run_delayed_data_ref 0.34 ± 9% -0.1 0.25 ± 19% perf-profile.children.cycles-pp.try_address 0.14 ± 27% -0.1 0.06 ± 81% perf-profile.children.cycles-pp.number 0.15 ± 35% -0.1 0.07 ± 58% perf-profile.children.cycles-pp.obj_cgroup_charge 0.14 ± 32% -0.1 0.05 ±109% perf-profile.children.cycles-pp.wake_up_q 0.29 ± 5% -0.1 0.22 ± 25% perf-profile.children.cycles-pp.i2c_outb 0.35 ± 6% -0.1 0.27 ± 19% perf-profile.children.cycles-pp.__i2c_transfer 0.35 ± 6% -0.1 0.27 ± 19% perf-profile.children.cycles-pp.ast_vga_connector_helper_detect_ctx 0.35 ± 6% -0.1 0.27 ± 19% perf-profile.children.cycles-pp.bit_xfer 0.35 ± 6% -0.1 0.27 ± 19% perf-profile.children.cycles-pp.drm_connector_helper_detect_from_ddc 0.35 ± 6% -0.1 0.27 ± 19% perf-profile.children.cycles-pp.drm_do_probe_ddc_edid 0.35 ± 6% -0.1 0.27 ± 19% perf-profile.children.cycles-pp.drm_helper_probe_detect_ctx 0.35 ± 6% -0.1 0.27 ± 19% perf-profile.children.cycles-pp.drm_probe_ddc 0.35 ± 6% -0.1 0.27 ± 19% perf-profile.children.cycles-pp.i2c_transfer 0.35 ± 6% -0.1 0.27 ± 19% perf-profile.children.cycles-pp.output_poll_execute 0.16 ± 21% -0.1 0.09 ± 30% perf-profile.children.cycles-pp.btrfs_write_and_wait_transaction 0.03 ± 70% +0.0 0.08 ± 31% perf-profile.children.cycles-pp.sd_setup_read_write_cmnd 0.06 ± 57% +0.1 0.11 ± 30% perf-profile.children.cycles-pp._copy_from_user 0.06 ± 89% +0.1 0.13 ± 30% perf-profile.children.cycles-pp.blk_mq_requeue_work 0.03 ±111% +0.1 0.12 ± 27% perf-profile.children.cycles-pp.rcu_accelerate_cbs 0.25 ± 29% +0.1 0.37 ± 14% perf-profile.children.cycles-pp.extent_writepage_io 0.11 ± 31% +0.1 0.24 ± 20% perf-profile.children.cycles-pp.rw_verify_area 0.17 ± 63% +0.1 0.30 ± 27% perf-profile.children.cycles-pp.perf_event_read 0.07 ± 62% +0.1 0.21 ± 30% perf-profile.children.cycles-pp.svc_pool_wake_idle_thread 0.14 ± 58% +0.2 0.29 ± 26% perf-profile.children.cycles-pp.svc_tcp_read_marker 0.15 ± 55% +0.2 0.31 ± 34% perf-profile.children.cycles-pp.__write_extent_buffer 0.15 ± 64% +0.2 0.31 ± 28% perf-profile.children.cycles-pp.smp_call_function_single 0.35 ± 18% +0.2 0.52 ± 16% perf-profile.children.cycles-pp.arch_cpu_idle_enter 0.11 ± 75% +0.2 0.30 ± 20% perf-profile.children.cycles-pp.copy_extent_buffer_full 0.54 ± 15% +0.2 0.72 ± 9% perf-profile.children.cycles-pp.start_ordered_ops 0.15 ± 22% +0.2 0.34 ± 41% perf-profile.children.cycles-pp.nfsd_set_fh_dentry 0.28 ± 27% +0.2 0.48 ± 30% perf-profile.children.cycles-pp.__fh_verify 0.28 ± 27% +0.2 0.48 ± 29% perf-profile.children.cycles-pp.fh_verify 0.41 ± 24% +0.2 0.62 ± 10% perf-profile.children.cycles-pp.perf_read 0.45 ± 20% +0.2 0.66 ± 6% perf-profile.children.cycles-pp.__memcpy 0.18 ± 48% +0.2 0.40 ± 15% perf-profile.children.cycles-pp.generic_exec_single 0.83 ± 15% +0.2 1.06 ± 11% perf-profile.children.cycles-pp.__vfork 0.28 ± 30% +0.2 0.53 ± 52% perf-profile.children.cycles-pp._nfs4_proc_access 0.33 ± 22% +0.3 0.58 ± 19% perf-profile.children.cycles-pp.tick_nohz_stop_idle 0.28 ± 30% +0.3 0.54 ± 51% perf-profile.children.cycles-pp.nfs4_proc_access 0.63 ± 14% +0.3 0.92 ± 16% perf-profile.children.cycles-pp.evsel__read_counter 0.46 ± 26% +0.3 0.76 ± 20% perf-profile.children.cycles-pp.finish_task_switch 0.81 ± 16% +0.3 1.14 ± 9% perf-profile.children.cycles-pp.readn 1.10 ± 15% +0.4 1.48 ± 20% perf-profile.children.cycles-pp.xs_tcp_send_request 1.15 ± 12% +0.4 1.53 ± 20% perf-profile.children.cycles-pp.call_transmit 1.14 ± 12% +0.4 1.51 ± 21% perf-profile.children.cycles-pp.xprt_transmit 1.12 ± 13% +0.4 1.50 ± 21% perf-profile.children.cycles-pp.xprt_request_transmit 1.74 ± 6% +0.4 2.14 ± 11% perf-profile.children.cycles-pp.sched_tick 3.24 ± 9% +0.4 3.67 ± 6% perf-profile.children.cycles-pp.cmd_stat 3.24 ± 9% +0.4 3.67 ± 6% perf-profile.children.cycles-pp.dispatch_events 1.07 ± 15% +0.4 1.50 ± 3% perf-profile.children.cycles-pp.irq_enter_rcu 3.24 ± 9% +0.4 3.66 ± 6% perf-profile.children.cycles-pp.process_interval 1.01 ± 16% +0.4 1.45 ± 4% perf-profile.children.cycles-pp.tick_irq_enter 1.54 ± 17% +0.5 2.02 ± 14% perf-profile.children.cycles-pp._raw_spin_lock 3.08 ± 9% +0.5 3.58 ± 6% perf-profile.children.cycles-pp.read_counters 5.90 ± 8% +0.8 6.71 ± 6% perf-profile.children.cycles-pp.handle_softirqs 17.29 ± 2% +0.9 18.18 ± 3% perf-profile.children.cycles-pp.kthread 3.57 ± 7% +0.9 4.50 ± 10% perf-profile.children.cycles-pp.update_process_times 17.42 ± 2% +1.0 18.38 ± 2% perf-profile.children.cycles-pp.ret_from_fork 17.44 ± 2% +1.0 18.41 ± 2% perf-profile.children.cycles-pp.ret_from_fork_asm 4.47 ± 4% +1.4 5.85 ± 5% perf-profile.children.cycles-pp.tick_nohz_handler 5.49 ± 6% +1.6 7.05 ± 4% perf-profile.children.cycles-pp.__hrtimer_run_queues 6.76 ± 8% +1.7 8.42 ± 3% perf-profile.children.cycles-pp.hrtimer_interrupt 6.90 ± 9% +1.8 8.68 ± 3% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 12.60 ± 7% +2.6 15.18 ± 3% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 13.99 ± 7% +2.7 16.65 ± 4% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.98 ± 27% -0.9 0.11 ± 74% perf-profile.self.cycles-pp.poll_idle 0.53 ± 24% -0.2 0.28 ± 28% perf-profile.self.cycles-pp.__schedule 0.28 ± 21% -0.2 0.11 ± 24% perf-profile.self.cycles-pp._find_next_bit 0.32 ± 29% -0.1 0.20 ± 23% perf-profile.self.cycles-pp.zap_present_ptes 0.06 ± 57% +0.0 0.10 ± 31% perf-profile.self.cycles-pp._copy_from_user 0.06 ± 58% +0.1 0.11 ± 28% perf-profile.self.cycles-pp.__virt_addr_valid 0.06 ± 68% +0.1 0.20 ± 37% perf-profile.self.cycles-pp.tick_nohz_handler 0.44 ± 19% +0.2 0.66 ± 7% perf-profile.self.cycles-pp.__memcpy 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