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8PkzxiKCsB7Y9gqe82xr46vwsp4UoyT6/fTnTo+eDhOamg2G6n/9XnwdV0tevniIg6yfNl1ETt1MsdedAmb/ZQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR11MB8593 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a -76.7% regression of swapin.throughput on: commit: 4e63aeb5d0101ddada36a2f64f048e2f9d2202fc ("blk-wbt: don't throttle swap writes in direct reclaim") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: swapin test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G memory parameters: disk: 1HDD size: 8G nr_task: 72 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/202408061623.ed5cd480-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/20240806/202408061623.ed5cd480-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/disk/kconfig/nr_task/rootfs/size/tbox_group/testcase: gcc-13/performance/1HDD/x86_64-rhel-8.3/72/debian-12-x86_64-20240206.cgz/8G/lkp-ivb-d05/swapin commit: 62e35f9422 ("block: pass a gendisk to the queue_sysfs_entry methods") 4e63aeb5d0 ("blk-wbt: don't throttle swap writes in direct reclaim") 62e35f942231e372 4e63aeb5d0101ddada36a2f64f0 ---------------- --------------------------- %stddev %change %stddev \ | \ 37.67 ± 16% -33.2% 25.17 ± 16% perf-c2c.DRAM.local 2.199e+09 ± 2% +349.5% 9.885e+09 ± 2% cpuidle..time 1161765 ± 2% +239.9% 3949045 cpuidle..usage 883.44 ± 2% +236.9% 2976 ± 2% uptime.boot 342.97 ± 12% +78.4% 611.96 ± 10% uptime.idle 1.78 ± 22% +51.1% 2.69 ± 17% iostat.cpu.idle 1.24 -34.8% 0.81 iostat.cpu.system 0.75 ± 28% -56.6% 0.33 ± 24% iostat.cpu.user 1.67 ± 23% +1.0 2.67 ± 17% mpstat.cpu.all.idle% 0.10 -0.0 0.07 mpstat.cpu.all.irq% 0.13 -0.0 0.10 mpstat.cpu.all.soft% 0.99 -0.4 0.63 mpstat.cpu.all.sys% 0.73 ± 29% -0.4 0.32 ± 23% mpstat.cpu.all.usr% 15149 ± 2% -77.1% 3464 ± 2% vmstat.io.bi 15149 ± 2% -77.1% 3464 ± 2% vmstat.swap.si 61.63 ± 48% -84.4% 9.62 ± 13% vmstat.swap.so 3452 ± 3% -19.3% 2785 ± 2% vmstat.system.cs 1125 -28.0% 810.72 vmstat.system.in 0.01 +265.2% 0.05 ±148% swapin.free_time 219.17 ± 2% -75.9% 52.83 ± 2% swapin.median 15933 ± 2% -76.7% 3719 swapin.throughput 559.70 ± 2% +347.3% 2503 ± 2% swapin.time.elapsed_time 559.70 ± 2% +347.3% 2503 ± 2% swapin.time.elapsed_time.max 21134 ± 2% +344.0% 93842 ± 2% swapin.time.minor_page_faults 855.50 ± 2% +345.4% 3810 ± 2% swapin.time.voluntary_context_switches 2880939 -31.1% 1986005 ± 2% meminfo.AnonPages 2880149 -31.6% 1968934 ± 2% meminfo.Inactive 2880064 -31.6% 1968836 ± 2% meminfo.Inactive(anon) 1528640 ± 2% +58.5% 2422892 ± 2% meminfo.MemAvailable 1617064 ± 2% +55.3% 2510929 ± 2% meminfo.MemFree 6398383 -14.0% 5504518 meminfo.Memused 1778 ± 5% +40.3% 2496 meminfo.Mlocked 21239 +92.5% 40893 meminfo.Shmem 2858658 -32.0% 1944940 ± 3% meminfo.SwapCached 6653579 -10.1% 5979866 meminfo.max_used_kB 720078 -31.0% 496920 ± 3% proc-vmstat.nr_anon_pages 37335 ± 3% +59.2% 59449 ± 2% proc-vmstat.nr_dirty_background_threshold 74761 ± 3% +59.2% 119044 ± 2% proc-vmstat.nr_dirty_threshold 1486119 -15.0% 1263128 proc-vmstat.nr_file_pages 404617 ± 2% +55.1% 627376 ± 2% proc-vmstat.nr_free_pages 719902 -31.6% 492619 ± 3% proc-vmstat.nr_inactive_anon 4300 -1.9% 4218 proc-vmstat.nr_kernel_stack 444.90 ± 5% +40.3% 624.00 proc-vmstat.nr_mlock 5758 -2.6% 5606 proc-vmstat.nr_page_table_pages 5311 +92.5% 10226 proc-vmstat.nr_shmem 714496 -31.9% 486593 ± 3% proc-vmstat.nr_swapcached 4241975 +1.4% 4299627 proc-vmstat.nr_vmscan_write 719897 -31.6% 492617 ± 3% proc-vmstat.nr_zone_inactive_anon 2628992 +62.5% 4273104 proc-vmstat.numa_hit 2628620 +62.6% 4273103 proc-vmstat.numa_local 1691631 +47.9% 2502009 ± 2% proc-vmstat.pgalloc_dma32 943544 ± 2% +92.1% 1812431 ± 5% proc-vmstat.pgalloc_normal 2787176 +81.3% 5053889 proc-vmstat.pgfault 2779533 +60.4% 4458571 proc-vmstat.pgfree 324958 ± 2% +253.3% 1148089 proc-vmstat.pgmajfault 8530651 +1.7% 8678226 proc-vmstat.pgpgin 37125 ± 3% +326.5% 158341 ± 2% proc-vmstat.pgreuse 1814515 ± 2% -13.4% 1571241 ± 2% proc-vmstat.pgscan_anon 1774160 ± 3% -34.5% 1162742 ± 31% proc-vmstat.pgscan_kswapd 723131 ± 4% -28.7% 515908 ± 7% proc-vmstat.pgsteal_anon 712601 ± 5% -29.7% 501201 ± 7% proc-vmstat.pgsteal_kswapd 2132662 +1.7% 2169556 proc-vmstat.pswpin 851208 -79.8% 172337 ± 15% proc-vmstat.swap_ra 829952 -81.5% 153244 ± 15% proc-vmstat.swap_ra_hit 347.67 ± 5% +440.7% 1879 ± 5% proc-vmstat.thp_scan_exceed_none_pte 1020086 -25.6% 758810 ± 4% proc-vmstat.workingset_refault_anon 1.94 ± 2% +55.0% 3.00 ± 5% perf-stat.i.MPKI 51688339 ± 13% -55.6% 22933796 ± 12% perf-stat.i.branch-instructions 1.80 ± 15% +1.3 3.14 ± 4% perf-stat.i.branch-miss-rate% 13.16 ± 4% -1.4 11.73 ± 3% perf-stat.i.cache-miss-rate% 353322 ± 4% -32.5% 238490 ± 3% perf-stat.i.cache-misses 2541034 -21.6% 1992435 perf-stat.i.cache-references 3455 ± 3% -19.4% 2784 perf-stat.i.context-switches 1.32 ± 2% +37.0% 1.80 perf-stat.i.cpi 2.58e+08 ± 10% -39.8% 1.555e+08 ± 5% perf-stat.i.cpu-cycles 238.14 ± 5% -33.7% 157.99 ± 2% perf-stat.i.cpu-migrations 743.19 ± 4% -13.5% 642.84 ± 4% perf-stat.i.cycles-between-cache-misses 2.222e+08 ± 16% -53.3% 1.037e+08 ± 13% perf-stat.i.instructions 0.78 ± 3% -26.4% 0.57 ± 2% perf-stat.i.ipc 579.21 ± 3% -20.7% 459.18 perf-stat.i.major-faults 2.11 ± 6% -93.9% 0.13 ± 8% perf-stat.i.metric.K/sec 4326 -64.7% 1525 perf-stat.i.minor-faults 4905 -59.5% 1984 perf-stat.i.page-faults 1.62 ± 13% +43.9% 2.34 ± 13% perf-stat.overall.MPKI 13.91 ± 4% -1.9 11.97 ± 3% perf-stat.overall.cache-miss-rate% 1.17 ± 6% +29.0% 1.51 ± 6% perf-stat.overall.cpi 729.25 ± 7% -10.5% 652.74 ± 6% perf-stat.overall.cycles-between-cache-misses 0.86 ± 6% -22.4% 0.66 ± 7% perf-stat.overall.ipc 14931 ± 18% +107.7% 31011 ± 14% perf-stat.overall.path-length 51645182 ± 13% -55.6% 22933160 ± 12% perf-stat.ps.branch-instructions 353037 ± 4% -32.5% 238456 ± 3% perf-stat.ps.cache-misses 2538977 -21.5% 1992125 perf-stat.ps.cache-references 3452 ± 3% -19.4% 2784 perf-stat.ps.context-switches 2.578e+08 ± 10% -39.7% 1.555e+08 ± 5% perf-stat.ps.cpu-cycles 237.94 ± 5% -33.6% 157.97 ± 2% perf-stat.ps.cpu-migrations 2.22e+08 ± 16% -53.3% 1.037e+08 ± 13% perf-stat.ps.instructions 578.74 ± 3% -20.7% 459.10 perf-stat.ps.major-faults 4323 -64.7% 1525 perf-stat.ps.minor-faults 4901 -59.5% 1984 perf-stat.ps.page-faults 1.253e+11 ± 18% +107.7% 2.601e+11 ± 14% perf-stat.total.instructions 68218 ± 3% +37.2% 93582 ± 4% sched_debug.cfs_rq:/.avg_vruntime.avg 78607 ± 8% +34.2% 105510 ± 4% sched_debug.cfs_rq:/.avg_vruntime.max 59706 ± 5% +38.4% 82650 ± 6% sched_debug.cfs_rq:/.avg_vruntime.min 0.13 ± 35% -73.3% 0.04 ± 33% sched_debug.cfs_rq:/.h_nr_running.min 11999 ± 38% -70.3% 3560 ± 56% sched_debug.cfs_rq:/.load.min 39.45 ± 19% -70.5% 11.63 ± 17% sched_debug.cfs_rq:/.load_avg.min 68218 ± 3% +37.2% 93582 ± 4% sched_debug.cfs_rq:/.min_vruntime.avg 78607 ± 8% +34.2% 105510 ± 4% sched_debug.cfs_rq:/.min_vruntime.max 59706 ± 5% +38.4% 82650 ± 6% sched_debug.cfs_rq:/.min_vruntime.min 0.10 -76.3% 0.02 ± 2% sched_debug.cfs_rq:/.nr_running.min 494.13 ± 4% -52.1% 236.73 ± 3% sched_debug.cfs_rq:/.runnable_avg.avg 998.37 ± 8% -34.7% 652.14 ± 2% sched_debug.cfs_rq:/.runnable_avg.max 155.27 ± 23% -73.7% 40.77 ± 10% sched_debug.cfs_rq:/.runnable_avg.min 345.16 ± 9% -24.8% 259.65 ± 2% sched_debug.cfs_rq:/.runnable_avg.stddev 238.35 ± 6% -25.7% 177.08 ± 3% sched_debug.cfs_rq:/.util_avg.avg 70.27 ± 17% -72.0% 19.64 ± 8% sched_debug.cfs_rq:/.util_avg.min 31.05 ± 32% -58.8% 12.79 ± 26% sched_debug.cfs_rq:/.util_est.avg 89.32 ± 25% -53.9% 41.18 ± 21% sched_debug.cfs_rq:/.util_est.max 37.08 ± 24% -53.9% 17.11 ± 21% sched_debug.cfs_rq:/.util_est.stddev 591881 ± 4% +188.2% 1705638 ± 2% sched_debug.cpu.clock.avg 591882 ± 4% +188.2% 1705639 ± 2% sched_debug.cpu.clock.max 591880 ± 4% +188.2% 1705637 ± 2% sched_debug.cpu.clock.min 589383 ± 4% +188.2% 1698815 ± 2% sched_debug.cpu.clock_task.avg 591380 ± 4% +188.3% 1704722 ± 2% sched_debug.cpu.clock_task.max 583661 ± 4% +188.1% 1681432 ± 2% sched_debug.cpu.clock_task.min 3304 ± 6% +203.7% 10037 ± 3% sched_debug.cpu.clock_task.stddev 1734 ± 3% +180.2% 4859 ± 2% sched_debug.cpu.curr->pid.avg 5305 +237.1% 17887 sched_debug.cpu.curr->pid.max 147.10 ± 9% -76.4% 34.66 ± 8% sched_debug.cpu.curr->pid.min 2183 ± 2% +248.4% 7607 ± 2% sched_debug.cpu.curr->pid.stddev 0.78 ± 17% -32.5% 0.53 ± 13% sched_debug.cpu.nr_running.avg 0.13 ± 35% -73.3% 0.04 ± 33% sched_debug.cpu.nr_running.min 638632 ± 10% +297.2% 2536958 ± 2% sched_debug.cpu.nr_switches.avg 749434 ± 9% +275.4% 2813022 ± 2% sched_debug.cpu.nr_switches.max 531885 ± 7% +337.0% 2324213 ± 2% sched_debug.cpu.nr_switches.min 84329 ± 16% +128.8% 192974 ± 10% sched_debug.cpu.nr_switches.stddev 2676 ± 46% +4587.5% 125453 ± 4% sched_debug.cpu.nr_uninterruptible.max -5338 +5614.3% -305037 sched_debug.cpu.nr_uninterruptible.min 3263 ± 37% +5362.1% 178254 ± 6% sched_debug.cpu.nr_uninterruptible.stddev 591871 ± 4% +188.2% 1705638 ± 2% sched_debug.cpu_clk 591845 ± 4% +188.2% 1705612 ± 2% sched_debug.ktime 591879 ± 4% +188.2% 1705645 ± 2% sched_debug.sched_clk 10.04 ± 8% -4.0 6.04 ± 9% perf-profile.calltrace.cycles-pp.do_access 7.69 ± 6% -2.3 5.37 ± 9% perf-profile.calltrace.cycles-pp.asm_exc_page_fault.do_access 7.08 ± 6% -2.0 5.08 ± 10% perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.do_access 7.12 ± 5% -2.0 5.13 ± 10% perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault.do_access 6.74 ± 5% -1.9 4.82 ± 10% perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.do_access 2.12 ± 12% -1.8 0.30 ±100% perf-profile.calltrace.cycles-pp.do_rw_once 6.30 ± 4% -1.8 4.52 ± 12% perf-profile.calltrace.cycles-pp.do_swap_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault 6.98 ± 5% -1.8 5.23 ± 8% perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 4.39 ± 2% -1.2 3.22 ± 14% perf-profile.calltrace.cycles-pp.swapin_readahead.do_swap_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 4.37 ± 2% -1.2 3.20 ± 14% perf-profile.calltrace.cycles-pp.swap_cluster_readahead.swapin_readahead.do_swap_page.__handle_mm_fault.handle_mm_fault 1.43 ± 14% -0.9 0.50 ± 77% perf-profile.calltrace.cycles-pp.__read_swap_cache_async.swap_cluster_readahead.swapin_readahead.do_swap_page.__handle_mm_fault 0.51 ± 46% +0.2 0.74 ± 11% perf-profile.calltrace.cycles-pp.exec_binprm.bprm_execve.do_execveat_common.__x64_sys_execve.do_syscall_64 0.51 ± 46% +0.2 0.74 ± 11% perf-profile.calltrace.cycles-pp.search_binary_handler.exec_binprm.bprm_execve.do_execveat_common.__x64_sys_execve 1.05 ± 46% +0.6 1.65 ± 10% perf-profile.calltrace.cycles-pp.handle_softirqs.irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state 3.61 ± 11% +0.8 4.44 ± 10% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter 2.61 ± 18% +0.9 3.54 ± 11% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt 5.55 ± 7% +1.5 7.02 ± 7% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 5.89 ± 8% +1.6 7.48 ± 7% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 74.99 +3.9 78.93 perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry 22.85 ± 5% +4.2 27.05 ± 4% perf-profile.calltrace.cycles-pp.poll_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 79.51 +4.6 84.08 perf-profile.calltrace.cycles-pp.common_startup_64 10.34 ± 6% -4.2 6.15 ± 9% perf-profile.children.cycles-pp.do_access 8.68 ± 5% -2.0 6.72 ± 4% perf-profile.children.cycles-pp.asm_exc_page_fault 2.46 ± 14% -1.9 0.52 ± 35% perf-profile.children.cycles-pp.do_rw_once 6.43 ± 4% -1.9 4.54 ± 11% perf-profile.children.cycles-pp.do_swap_page 8.02 ± 5% -1.7 6.27 ± 5% perf-profile.children.cycles-pp.do_user_addr_fault 7.36 ± 4% -1.7 5.64 ± 7% perf-profile.children.cycles-pp.__handle_mm_fault 7.60 ± 4% -1.7 5.88 ± 5% perf-profile.children.cycles-pp.handle_mm_fault 8.06 ± 5% -1.7 6.38 ± 5% perf-profile.children.cycles-pp.exc_page_fault 4.43 ± 2% -1.2 3.23 ± 13% perf-profile.children.cycles-pp.swapin_readahead 4.41 ± 2% -1.2 3.21 ± 13% perf-profile.children.cycles-pp.swap_cluster_readahead 1.46 ± 13% -0.8 0.64 ± 37% perf-profile.children.cycles-pp.__read_swap_cache_async 0.67 ± 15% -0.3 0.38 ± 27% perf-profile.children.cycles-pp.__irqentry_text_end 0.51 ± 7% -0.3 0.23 ± 51% perf-profile.children.cycles-pp.__filemap_get_folio 0.49 ± 9% -0.3 0.24 ± 50% perf-profile.children.cycles-pp.filemap_get_entry 0.41 ± 22% -0.2 0.17 ± 50% perf-profile.children.cycles-pp.add_to_swap_cache 0.43 ± 13% -0.2 0.20 ± 49% perf-profile.children.cycles-pp.swap_cache_get_folio 0.30 ± 22% -0.2 0.11 ± 77% perf-profile.children.cycles-pp.bio_alloc_bioset 0.28 ± 35% -0.2 0.11 ± 52% perf-profile.children.cycles-pp.error_entry 0.20 ± 24% -0.2 0.03 ±108% perf-profile.children.cycles-pp.workingset_refault 0.18 ± 24% -0.1 0.04 ±125% perf-profile.children.cycles-pp.lru_add_drain 0.18 ± 24% -0.1 0.04 ±125% perf-profile.children.cycles-pp.lru_add_drain_cpu 0.20 ± 29% -0.1 0.08 ± 88% perf-profile.children.cycles-pp.__lruvec_stat_mod_folio 0.17 ± 20% -0.1 0.04 ± 79% perf-profile.children.cycles-pp.mempool_alloc_noprof 0.14 ± 46% -0.1 0.04 ±125% perf-profile.children.cycles-pp.folio_add_anon_rmap_ptes 0.17 ± 16% -0.1 0.09 ± 35% perf-profile.children.cycles-pp.folio_batch_move_lru 0.04 ±100% +0.1 0.15 ± 40% perf-profile.children.cycles-pp.perf_event_task_tick 0.18 ± 30% +0.1 0.32 ± 48% perf-profile.children.cycles-pp.update_irq_load_avg 0.13 ± 53% +0.2 0.28 ± 27% perf-profile.children.cycles-pp.do_anonymous_page 0.18 ± 54% +0.2 0.34 ± 31% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.56 ± 21% +0.2 0.74 ± 11% perf-profile.children.cycles-pp.exec_binprm 0.56 ± 21% +0.2 0.74 ± 11% perf-profile.children.cycles-pp.search_binary_handler 0.56 ± 19% +0.2 0.80 ± 23% perf-profile.children.cycles-pp.perf_mux_hrtimer_handler 0.53 ± 36% +0.3 0.81 ± 15% perf-profile.children.cycles-pp.sched_balance_domains 0.52 ± 23% +0.3 0.85 ± 16% perf-profile.children.cycles-pp.sched_balance_softirq 0.55 ± 24% +0.4 0.92 ± 14% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages 1.95 ± 7% +0.4 2.34 ± 8% perf-profile.children.cycles-pp.menu_select 1.29 ± 15% +0.5 1.83 ± 15% perf-profile.children.cycles-pp.update_process_times 2.93 ± 14% +0.8 3.78 ± 8% perf-profile.children.cycles-pp.__hrtimer_run_queues 3.83 ± 12% +0.9 4.68 ± 7% perf-profile.children.cycles-pp.hrtimer_interrupt 3.88 ± 11% +0.9 4.74 ± 7% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 5.97 ± 8% +1.6 7.53 ± 5% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 6.33 ± 9% +1.7 8.04 ± 4% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 75.35 +4.0 79.39 perf-profile.children.cycles-pp.cpuidle_enter_state 75.42 +4.0 79.46 perf-profile.children.cycles-pp.cpuidle_enter 23.02 ± 5% +4.2 27.26 ± 4% perf-profile.children.cycles-pp.poll_idle 77.78 +4.5 82.27 perf-profile.children.cycles-pp.cpuidle_idle_call 79.51 +4.6 84.08 perf-profile.children.cycles-pp.common_startup_64 79.51 +4.6 84.08 perf-profile.children.cycles-pp.cpu_startup_entry 79.50 +4.6 84.06 perf-profile.children.cycles-pp.do_idle 2.38 ± 15% -1.9 0.44 ± 42% perf-profile.self.cycles-pp.do_rw_once 1.60 ± 12% -1.1 0.45 ± 19% perf-profile.self.cycles-pp.do_access 0.67 ± 15% -0.3 0.38 ± 27% perf-profile.self.cycles-pp.__irqentry_text_end 0.28 ± 38% -0.2 0.10 ± 49% perf-profile.self.cycles-pp.error_entry 0.01 ±223% +0.1 0.08 ± 24% perf-profile.self.cycles-pp.__cond_resched 0.02 ±141% +0.1 0.10 ± 70% perf-profile.self.cycles-pp.call_cpuidle 0.02 ±223% +0.1 0.11 ± 45% perf-profile.self.cycles-pp.tmigr_quick_check 0.06 ± 76% +0.1 0.15 ± 47% perf-profile.self.cycles-pp.local_clock_noinstr 0.00 +0.1 0.10 ± 40% perf-profile.self.cycles-pp.perf_event_task_tick 0.18 ± 30% +0.1 0.32 ± 48% perf-profile.self.cycles-pp.update_irq_load_avg 0.04 ±104% +0.1 0.18 ± 33% perf-profile.self.cycles-pp.sched_balance_rq 0.17 ± 54% +0.2 0.34 ± 30% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 22.34 ± 5% +4.1 26.40 ± 4% perf-profile.self.cycles-pp.poll_idle 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