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Message-ID: <20210413135800.GA10266@xsang-OptiPlex-9020>
Date: Tue, 13 Apr 2021 21:58:01 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Borislav Petkov <bp@...e.de>
Cc: Peter Zijlstra <peterz@...radead.org>,
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
lkp@...el.com, ying.huang@...el.com, feng.tang@...el.com,
zhengjun.xing@...el.com
Subject: [thermal] 9223d0dccb: stress-ng.msg.ops_per_sec -27.4% regression
Greeting,
FYI, we noticed a -27.4% regression of stress-ng.msg.ops_per_sec due to commit:
commit: 9223d0dccb8f8523754122f68316dd1a4f39f7f8 ("thermal: Move therm_throt there from x86/mce")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: stress-ng
on test machine: 96 threads Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 192G memory
with following parameters:
nr_threads: 10%
disk: 1HDD
testtime: 60s
fs: ext4
class: os
test: msg
cpufreq_governor: performance
ucode: 0x5003006
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml
bin/lkp run compatible-job.yaml
=========================================================================================
class/compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime/ucode:
os/gcc-9/performance/1HDD/ext4/x86_64-rhel-8.3/10%/debian-10.4-x86_64-20200603.cgz/lkp-csl-2sp5/msg/stress-ng/60s/0x5003006
commit:
4f432e8bb1 ("x86/mce: Get rid of mcheck_intel_therm_init()")
9223d0dccb ("thermal: Move therm_throt there from x86/mce")
4f432e8bb15b352d 9223d0dccb8f8523754122f6831
---------------- ---------------------------
%stddev %change %stddev
\ | \
3.042e+08 ± 4% -27.4% 2.209e+08 ± 2% stress-ng.msg.ops
5069470 ± 4% -27.4% 3682272 ± 2% stress-ng.msg.ops_per_sec
2335 ± 8% -35.0% 1517 ± 18% stress-ng.time.involuntary_context_switches
1676 -4.9% 1594 stress-ng.time.percent_of_cpu_this_job_got
1019 -4.6% 973.25 stress-ng.time.system_time
20.97 ± 2% -19.3% 16.93 ± 2% stress-ng.time.user_time
1549846 ±159% +1738.5% 28494120 ± 16% stress-ng.time.voluntary_context_switches
2050707 ±134% +1531.7% 33461885 ± 21% cpuidle.POLL.time
1354230 ±171% +1585.0% 22819237 ± 19% cpuidle.POLL.usage
82.39 +1.2% 83.37 iostat.cpu.idle
17.20 -5.3% 16.29 iostat.cpu.system
0.04 ± 5% +0.0 0.05 ± 3% mpstat.cpu.all.soft%
0.37 ± 2% -0.1 0.30 ± 2% mpstat.cpu.all.usr%
1337633 ± 28% -65.8% 457460 ± 95% numa-numastat.node0.local_node
456832 ± 26% -67.5% 148621 ± 25% numa-numastat.node1.local_node
500231 ± 26% -64.1% 179602 ± 12% numa-numastat.node1.numa_hit
82.00 +1.2% 83.00 vmstat.cpu.id
49550 ±153% +1673.1% 878579 ± 16% vmstat.system.cs
197941 +26.4% 250229 ± 6% vmstat.system.in
41605 -1.4% 41020 proc-vmstat.nr_slab_unreclaimable
1907890 ± 15% -62.0% 724187 ± 63% proc-vmstat.numa_hit
1821249 ± 16% -65.0% 637560 ± 71% proc-vmstat.numa_local
1925858 ± 15% -61.7% 737459 ± 62% proc-vmstat.pgalloc_normal
1796629 ± 16% -66.1% 609149 ± 75% proc-vmstat.pgfree
9427 ± 3% -11.6% 8337 ± 2% slabinfo.kmalloc-512.active_objs
1182 ± 3% -11.5% 1045 ± 2% slabinfo.kmalloc-512.active_slabs
9459 ± 3% -11.5% 8370 ± 2% slabinfo.kmalloc-512.num_objs
1182 ± 3% -11.5% 1045 ± 2% slabinfo.kmalloc-512.num_slabs
82005 ± 7% -24.2% 62197 ± 5% slabinfo.kmalloc-64.active_objs
1282 ± 7% -24.1% 973.67 ± 5% slabinfo.kmalloc-64.active_slabs
82119 ± 7% -24.1% 62339 ± 5% slabinfo.kmalloc-64.num_objs
1282 ± 7% -24.1% 973.67 ± 5% slabinfo.kmalloc-64.num_slabs
8300 ± 11% +41.5% 11747 ± 10% softirqs.CPU21.SCHED
6707 ± 23% +39.9% 9384 ± 15% softirqs.CPU41.SCHED
8143 ± 17% +50.5% 12255 ± 27% softirqs.CPU56.SCHED
8052 ± 14% +82.7% 14708 ± 29% softirqs.CPU58.SCHED
8701 ± 19% +70.6% 14847 ± 23% softirqs.CPU6.SCHED
6902 ± 18% +50.7% 10401 ± 18% softirqs.CPU72.SCHED
8097 ± 14% +35.4% 10962 ± 17% softirqs.CPU76.SCHED
7938 ± 18% +24.3% 9864 ± 7% softirqs.CPU79.SCHED
839280 ± 4% +14.7% 963029 ± 2% softirqs.SCHED
248119 ± 63% +1378.0% 3667155 ± 28% interrupts.CAL:Function_call_interrupts
4.83 ±169% +5389.7% 265.33 ±166% interrupts.CPU12.RES:Rescheduling_interrupts
709.00 ± 31% +2004.3% 14919 ±120% interrupts.CPU28.CAL:Function_call_interrupts
873.33 ± 64% +7449.7% 65933 ±107% interrupts.CPU4.CAL:Function_call_interrupts
506.33 ± 3% +9102.5% 46595 ±158% interrupts.CPU43.CAL:Function_call_interrupts
27.33 ± 75% +750.6% 232.50 ± 99% interrupts.CPU48.RES:Rescheduling_interrupts
558.67 ± 19% +10960.8% 61792 ±145% interrupts.CPU50.CAL:Function_call_interrupts
706.00 ± 66% +3143.2% 22897 ±147% interrupts.CPU53.CAL:Function_call_interrupts
732.00 ± 44% +6764.9% 50251 ±131% interrupts.CPU56.CAL:Function_call_interrupts
1613 ± 84% +8272.0% 135082 ±130% interrupts.CPU58.CAL:Function_call_interrupts
839.00 ± 42% +23427.3% 197394 ± 68% interrupts.CPU6.CAL:Function_call_interrupts
11.17 ± 79% +4409.0% 503.50 ± 76% interrupts.CPU6.RES:Rescheduling_interrupts
717.00 ± 67% +1775.8% 13449 ±109% interrupts.CPU81.CAL:Function_call_interrupts
6.67 ±171% +1212.5% 87.50 ± 96% interrupts.CPU81.RES:Rescheduling_interrupts
1189 ± 20% +988.6% 12948 ± 11% interrupts.RES:Rescheduling_interrupts
12.68 ± 6% +20.0% 15.22 ± 2% perf-stat.i.MPKI
3.86e+09 ± 3% -9.9% 3.478e+09 ± 2% perf-stat.i.branch-instructions
0.67 ± 3% +0.2 0.84 perf-stat.i.branch-miss-rate%
24129751 +14.6% 27646121 ± 4% perf-stat.i.branch-misses
50806 ±154% +1684.2% 906487 ± 16% perf-stat.i.context-switches
2.58 ± 3% +12.6% 2.91 ± 2% perf-stat.i.cpi
4.686e+09 ± 2% -8.6% 4.282e+09 ± 2% perf-stat.i.dTLB-loads
2.615e+09 ± 2% -6.3% 2.452e+09 ± 3% perf-stat.i.dTLB-stores
83.94 +3.6 87.55 perf-stat.i.iTLB-load-miss-rate%
11626382 ± 5% +41.1% 16403258 ± 6% perf-stat.i.iTLB-load-misses
1.915e+10 ± 3% -10.8% 1.707e+10 ± 2% perf-stat.i.instructions
1660 ± 7% -34.9% 1080 ± 6% perf-stat.i.instructions-per-iTLB-miss
0.39 ± 3% -10.7% 0.35 ± 2% perf-stat.i.ipc
0.81 ± 6% -42.1% 0.47 ± 28% perf-stat.i.metric.K/sec
119.24 ± 2% -8.2% 109.49 ± 2% perf-stat.i.metric.M/sec
13094331 ± 11% -17.0% 10864787 ± 9% perf-stat.i.node-store-misses
12.83 ± 5% +20.0% 15.40 ± 3% perf-stat.overall.MPKI
0.63 ± 3% +0.2 0.79 ± 2% perf-stat.overall.branch-miss-rate%
2.60 ± 3% +12.9% 2.94 ± 2% perf-stat.overall.cpi
84.88 +3.9 88.76 perf-stat.overall.iTLB-load-miss-rate%
1653 ± 7% -36.8% 1044 ± 6% perf-stat.overall.instructions-per-iTLB-miss
0.38 ± 3% -11.5% 0.34 ± 2% perf-stat.overall.ipc
3.799e+09 ± 3% -9.9% 3.422e+09 ± 2% perf-stat.ps.branch-instructions
23742874 +14.6% 27204564 ± 4% perf-stat.ps.branch-misses
49922 ±154% +1687.0% 892147 ± 16% perf-stat.ps.context-switches
4.613e+09 ± 2% -8.6% 4.214e+09 ± 2% perf-stat.ps.dTLB-loads
2.574e+09 ± 2% -6.3% 2.413e+09 ± 3% perf-stat.ps.dTLB-stores
11442374 ± 5% +41.1% 16142526 ± 6% perf-stat.ps.iTLB-load-misses
1.884e+10 ± 3% -10.9% 1.68e+10 ± 2% perf-stat.ps.instructions
12879684 ± 11% -17.0% 10690222 ± 9% perf-stat.ps.node-store-misses
1.185e+12 ± 3% -10.3% 1.063e+12 ± 3% perf-stat.total.instructions
34.69 ± 20% -8.3 26.43 ± 3% perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry
6.46 ± 11% -1.7 4.79 ± 4% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.do_msgrcv.do_syscall_64.entry_SYSCALL_64_after_hwframe
5.42 ± 11% -1.3 4.14 ± 10% perf-profile.calltrace.cycles-pp.load_msg.do_msgsnd.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.13 ± 11% -1.1 3.04 ± 12% perf-profile.calltrace.cycles-pp.__kmalloc.load_msg.do_msgsnd.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.33 ± 6% -0.7 1.60 ± 18% perf-profile.calltrace.cycles-pp.ipc_obtain_object_check.do_msgsnd.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.94 ± 14% -0.5 1.48 ± 16% perf-profile.calltrace.cycles-pp.store_msg.do_msg_fill.do_msgrcv.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.68 ± 13% -0.4 1.26 ± 5% perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.68 ± 13% -0.4 1.26 ± 5% perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.67 ± 13% -0.4 1.26 ± 6% perf-profile.calltrace.cycles-pp.seq_read_iter.seq_read.vfs_read.ksys_read.do_syscall_64
1.67 ± 13% -0.4 1.26 ± 6% perf-profile.calltrace.cycles-pp.seq_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.42 ± 14% -0.4 1.05 ± 6% perf-profile.calltrace.cycles-pp.sysvipc_find_ipc.seq_read_iter.seq_read.vfs_read.ksys_read
1.36 ± 16% -0.3 1.01 ± 24% perf-profile.calltrace.cycles-pp.__check_object_size.store_msg.do_msg_fill.do_msgrcv.do_syscall_64
1.04 ± 16% -0.3 0.78 ± 6% perf-profile.calltrace.cycles-pp.__radix_tree_lookup.sysvipc_find_ipc.seq_read_iter.seq_read.vfs_read
0.68 ± 9% -0.2 0.45 ± 44% perf-profile.calltrace.cycles-pp.refill_obj_stock.kfree.free_msg.do_msgrcv.do_syscall_64
0.44 ± 73% +0.5 0.90 ± 6% perf-profile.calltrace.cycles-pp.menu_select.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
0.00 +0.8 0.81 ± 18% perf-profile.calltrace.cycles-pp.__schedule.schedule_idle.do_idle.cpu_startup_entry.start_secondary
0.00 +0.8 0.84 ± 19% perf-profile.calltrace.cycles-pp.schedule_idle.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
0.09 ±223% +1.2 1.30 ± 22% perf-profile.calltrace.cycles-pp.__schedule.schedule.do_msgrcv.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.09 ±223% +1.3 1.35 ± 22% perf-profile.calltrace.cycles-pp.schedule.do_msgrcv.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.00 +1.4 1.40 ± 15% perf-profile.calltrace.cycles-pp.try_to_wake_up.wake_up_q.do_msgsnd.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.00 +1.5 1.46 ± 14% perf-profile.calltrace.cycles-pp.wake_up_q.do_msgsnd.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.10 ±223% +2.0 2.10 ± 22% perf-profile.calltrace.cycles-pp.poll_idle.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry
27.77 ± 10% +5.2 33.00 ± 4% perf-profile.calltrace.cycles-pp.do_msgsnd.do_syscall_64.entry_SYSCALL_64_after_hwframe
34.70 ± 20% -8.1 26.57 ± 3% perf-profile.children.cycles-pp.intel_idle
13.36 ± 9% -4.3 9.10 ± 15% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
5.43 ± 11% -1.3 4.16 ± 10% perf-profile.children.cycles-pp.load_msg
4.18 ± 11% -1.1 3.09 ± 12% perf-profile.children.cycles-pp.__kmalloc
1.95 ± 14% -0.5 1.49 ± 16% perf-profile.children.cycles-pp.store_msg
1.99 ± 14% -0.4 1.56 ± 16% perf-profile.children.cycles-pp.__check_object_size
1.68 ± 13% -0.4 1.26 ± 6% perf-profile.children.cycles-pp.seq_read
1.68 ± 13% -0.4 1.26 ± 5% perf-profile.children.cycles-pp.seq_read_iter
1.68 ± 13% -0.4 1.27 ± 6% perf-profile.children.cycles-pp.ksys_read
1.68 ± 13% -0.4 1.27 ± 6% perf-profile.children.cycles-pp.vfs_read
0.70 ± 9% -0.4 0.31 ± 13% perf-profile.children.cycles-pp.get_obj_cgroup_from_current
1.42 ± 14% -0.4 1.05 ± 6% perf-profile.children.cycles-pp.sysvipc_find_ipc
1.49 ± 14% -0.3 1.16 ± 5% perf-profile.children.cycles-pp.__radix_tree_lookup
0.52 ± 17% -0.2 0.28 ± 9% perf-profile.children.cycles-pp.ipcperms
0.35 ± 25% -0.2 0.11 ± 55% perf-profile.children.cycles-pp.__slab_alloc
0.34 ± 25% -0.2 0.10 ± 59% perf-profile.children.cycles-pp.___slab_alloc
0.61 ± 21% -0.2 0.39 ± 27% perf-profile.children.cycles-pp.__list_del_entry_valid
0.64 ± 14% -0.2 0.47 ± 19% perf-profile.children.cycles-pp.idr_find
0.70 ± 9% -0.2 0.54 ± 5% perf-profile.children.cycles-pp.refill_obj_stock
0.69 ± 10% -0.1 0.56 ± 2% perf-profile.children.cycles-pp.syscall_return_via_sysret
0.47 ± 9% -0.1 0.35 ± 7% perf-profile.children.cycles-pp.__entry_text_start
0.60 ± 9% -0.1 0.49 ± 3% perf-profile.children.cycles-pp.__check_heap_object
0.37 ± 7% -0.1 0.28 ± 9% perf-profile.children.cycles-pp.drain_obj_stock
0.48 ± 12% -0.1 0.39 ± 7% perf-profile.children.cycles-pp._copy_from_user
0.48 ± 10% -0.1 0.40 ± 6% perf-profile.children.cycles-pp.ksys_msgsnd
0.44 ± 9% -0.1 0.36 ± 3% perf-profile.children.cycles-pp.copy_user_generic_unrolled
0.29 ± 6% -0.1 0.22 ± 9% perf-profile.children.cycles-pp.page_counter_cancel
0.29 ± 6% -0.1 0.22 ± 9% perf-profile.children.cycles-pp.page_counter_uncharge
0.23 ± 10% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.__put_user_nocheck_8
0.28 ± 9% -0.1 0.22 ± 4% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state
0.23 ± 7% -0.1 0.18 ± 10% perf-profile.children.cycles-pp.__memcg_kmem_uncharge
0.18 ± 9% -0.0 0.14 ± 4% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
0.24 ± 9% -0.0 0.20 ± 8% perf-profile.children.cycles-pp.__get_user_8
0.23 ± 11% -0.0 0.18 ± 5% perf-profile.children.cycles-pp.seq_printf
0.20 ± 10% -0.0 0.16 ± 4% perf-profile.children.cycles-pp.__might_sleep
0.22 ± 10% -0.0 0.18 ± 5% perf-profile.children.cycles-pp.vsnprintf
0.22 ± 10% -0.0 0.18 ± 5% perf-profile.children.cycles-pp.seq_vprintf
0.23 ± 10% -0.0 0.19 ± 4% perf-profile.children.cycles-pp.sysvipc_msg_proc_show
0.11 ± 6% -0.0 0.08 ± 8% perf-profile.children.cycles-pp.rcu_read_unlock_strict
0.08 ± 8% -0.0 0.06 ± 16% perf-profile.children.cycles-pp.msgctl_stat
0.09 ± 10% +0.0 0.12 ± 9% perf-profile.children.cycles-pp.exit_to_user_mode_prepare
0.07 ± 18% +0.0 0.11 ± 9% perf-profile.children.cycles-pp.native_irq_return_iret
0.02 ±141% +0.1 0.07 ± 18% perf-profile.children.cycles-pp._raw_spin_trylock
0.00 +0.1 0.06 ± 13% perf-profile.children.cycles-pp.switch_mm_irqs_off
0.15 ± 12% +0.1 0.22 ± 5% perf-profile.children.cycles-pp.msgctl_info
0.00 +0.1 0.07 ± 19% perf-profile.children.cycles-pp.ttwu_do_wakeup
0.00 +0.1 0.07 ± 23% perf-profile.children.cycles-pp.hrtimer_next_event_without
0.00 +0.1 0.07 ± 28% perf-profile.children.cycles-pp.tick_nohz_idle_enter
0.03 ±102% +0.1 0.10 ± 14% perf-profile.children.cycles-pp.read_tsc
0.01 ±223% +0.1 0.09 ± 16% perf-profile.children.cycles-pp.update_cfs_group
0.00 +0.1 0.08 ± 14% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq
0.00 +0.1 0.08 ± 13% perf-profile.children.cycles-pp.__update_load_avg_se
0.00 +0.1 0.09 ± 14% perf-profile.children.cycles-pp.reweight_entity
0.01 ±223% +0.1 0.10 ± 17% perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore
0.00 +0.1 0.09 ± 17% perf-profile.children.cycles-pp.get_next_timer_interrupt
0.00 +0.1 0.10 ± 18% perf-profile.children.cycles-pp.send_call_function_single_ipi
0.01 ±223% +0.1 0.13 ± 25% perf-profile.children.cycles-pp.available_idle_cpu
0.01 ±223% +0.1 0.15 ± 17% perf-profile.children.cycles-pp.native_sched_clock
0.00 +0.1 0.14 ± 20% perf-profile.children.cycles-pp.__switch_to_asm
0.02 ±144% +0.1 0.16 ± 16% perf-profile.children.cycles-pp.sched_clock
0.00 +0.1 0.15 ± 46% perf-profile.children.cycles-pp.__sysvec_call_function_single
0.03 ±106% +0.1 0.18 ± 16% perf-profile.children.cycles-pp.sched_clock_cpu
0.02 ±223% +0.2 0.17 ± 32% perf-profile.children.cycles-pp.update_ts_time_stats
0.00 +0.2 0.16 ± 34% perf-profile.children.cycles-pp.llist_add_batch
0.00 +0.2 0.16 ± 34% perf-profile.children.cycles-pp.__smp_call_single_queue
0.01 ±223% +0.2 0.17 ± 23% perf-profile.children.cycles-pp.select_task_rq_fair
0.17 ± 46% +0.2 0.34 ± 13% perf-profile.children.cycles-pp.tick_nohz_get_sleep_length
0.00 +0.2 0.17 ± 45% perf-profile.children.cycles-pp.sysvec_call_function_single
0.02 ±223% +0.2 0.19 ± 32% perf-profile.children.cycles-pp.nr_iowait_cpu
0.01 ±223% +0.2 0.18 ± 24% perf-profile.children.cycles-pp.perf_trace_sched_wakeup_template
0.02 ±223% +0.2 0.20 ± 40% perf-profile.children.cycles-pp.flush_smp_call_function_queue
0.00 +0.2 0.19 ± 42% perf-profile.children.cycles-pp.finish_task_switch
0.02 ±223% +0.2 0.22 ± 17% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
0.02 ±223% +0.2 0.21 ± 29% perf-profile.children.cycles-pp.tick_nohz_idle_exit
0.01 ±223% +0.2 0.22 ± 43% perf-profile.children.cycles-pp.asm_sysvec_call_function_single
0.01 ±223% +0.2 0.24 ± 21% perf-profile.children.cycles-pp.__switch_to
0.00 +0.2 0.23 ± 13% perf-profile.children.cycles-pp.set_next_entity
0.01 ±223% +0.3 0.27 ± 15% perf-profile.children.cycles-pp.update_rq_clock
0.01 ±223% +0.3 0.29 ± 12% perf-profile.children.cycles-pp.update_load_avg
0.03 ±223% +0.3 0.33 ± 28% perf-profile.children.cycles-pp.update_curr
0.01 ±223% +0.3 0.34 ± 14% perf-profile.children.cycles-pp.pick_next_task_fair
0.02 ±223% +0.3 0.36 ± 23% perf-profile.children.cycles-pp.ttwu_queue_wakelist
0.55 ± 32% +0.4 0.91 ± 6% perf-profile.children.cycles-pp.menu_select
0.02 ±223% +0.4 0.39 ± 16% perf-profile.children.cycles-pp.enqueue_entity
0.06 ±223% +0.4 0.48 ± 36% perf-profile.children.cycles-pp.sched_ttwu_pending
0.02 ±223% +0.5 0.49 ± 18% perf-profile.children.cycles-pp.enqueue_task_fair
0.02 ±223% +0.5 0.50 ± 18% perf-profile.children.cycles-pp.ttwu_do_activate
0.04 ±223% +0.5 0.54 ± 23% perf-profile.children.cycles-pp.dequeue_entity
0.07 ±223% +0.5 0.58 ± 38% perf-profile.children.cycles-pp.flush_smp_call_function_from_idle
0.04 ±223% +0.5 0.58 ± 24% perf-profile.children.cycles-pp.dequeue_task_fair
0.02 ±223% +0.6 0.65 ± 16% perf-profile.children.cycles-pp.wake_q_add
0.03 ±223% +0.8 0.84 ± 19% perf-profile.children.cycles-pp.schedule_idle
0.10 ±223% +1.3 1.36 ± 22% perf-profile.children.cycles-pp.schedule
0.05 ±223% +1.4 1.40 ± 15% perf-profile.children.cycles-pp.try_to_wake_up
0.12 ± 90% +1.4 1.49 ± 14% perf-profile.children.cycles-pp.wake_up_q
0.14 ±166% +2.0 2.11 ± 22% perf-profile.children.cycles-pp.poll_idle
0.13 ±200% +2.0 2.12 ± 20% perf-profile.children.cycles-pp.__schedule
27.85 ± 10% +5.3 33.15 ± 4% perf-profile.children.cycles-pp.do_msgsnd
34.70 ± 20% -8.1 26.57 ± 3% perf-profile.self.cycles-pp.intel_idle
13.28 ± 9% -4.2 9.03 ± 15% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
0.66 ± 10% -0.4 0.29 ± 14% perf-profile.self.cycles-pp.get_obj_cgroup_from_current
1.41 ± 15% -0.3 1.09 ± 5% perf-profile.self.cycles-pp.__radix_tree_lookup
0.51 ± 17% -0.2 0.27 ± 9% perf-profile.self.cycles-pp.ipcperms
0.60 ± 22% -0.2 0.38 ± 28% perf-profile.self.cycles-pp.__list_del_entry_valid
0.24 ± 36% -0.2 0.05 ± 46% perf-profile.self.cycles-pp.___slab_alloc
0.63 ± 14% -0.2 0.46 ± 18% perf-profile.self.cycles-pp.idr_find
0.69 ± 10% -0.1 0.56 ± 2% perf-profile.self.cycles-pp.syscall_return_via_sysret
0.59 ± 9% -0.1 0.47 ± 3% perf-profile.self.cycles-pp.__check_heap_object
0.46 ± 10% -0.1 0.35 ± 7% perf-profile.self.cycles-pp.__entry_text_start
0.43 ± 9% -0.1 0.35 ± 5% perf-profile.self.cycles-pp.copy_user_generic_unrolled
0.33 ± 13% -0.1 0.26 perf-profile.self.cycles-pp.refill_obj_stock
0.18 ± 13% -0.1 0.11 ± 8% perf-profile.self.cycles-pp.sysvipc_find_ipc
0.27 ± 7% -0.1 0.20 ± 10% perf-profile.self.cycles-pp.page_counter_cancel
0.23 ± 10% -0.1 0.17 ± 4% perf-profile.self.cycles-pp.__put_user_nocheck_8
0.27 ± 10% -0.0 0.22 ± 4% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
0.17 ± 6% -0.0 0.12 ± 3% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.24 ± 10% -0.0 0.19 ± 8% perf-profile.self.cycles-pp.__get_user_8
0.26 ± 10% -0.0 0.22 ± 7% perf-profile.self.cycles-pp.obj_cgroup_charge
0.19 ± 11% -0.0 0.15 ± 3% perf-profile.self.cycles-pp.__might_sleep
0.08 ± 13% -0.0 0.05 ± 45% perf-profile.self.cycles-pp.drain_obj_stock
0.13 ± 11% -0.0 0.10 ± 8% perf-profile.self.cycles-pp.__mod_memcg_lruvec_state
0.11 ± 12% -0.0 0.08 ± 5% perf-profile.self.cycles-pp.store_msg
0.10 ± 14% -0.0 0.08 perf-profile.self.cycles-pp.__might_fault
0.10 ± 7% -0.0 0.08 ± 8% perf-profile.self.cycles-pp.page_counter_try_charge
0.05 ± 9% +0.0 0.09 ± 14% perf-profile.self.cycles-pp.wake_up_q
0.09 ± 10% +0.0 0.12 ± 10% perf-profile.self.cycles-pp.do_msg_fill
0.07 ± 18% +0.0 0.11 ± 9% perf-profile.self.cycles-pp.native_irq_return_iret
0.02 ±141% +0.1 0.07 ± 18% perf-profile.self.cycles-pp._raw_spin_trylock
0.00 +0.1 0.06 ± 15% perf-profile.self.cycles-pp.switch_mm_irqs_off
0.00 +0.1 0.07 ± 19% perf-profile.self.cycles-pp.dequeue_entity
0.00 +0.1 0.07 ± 22% perf-profile.self.cycles-pp.update_curr
0.03 ±102% +0.1 0.10 ± 12% perf-profile.self.cycles-pp.read_tsc
0.00 +0.1 0.08 ± 14% perf-profile.self.cycles-pp.__update_load_avg_cfs_rq
0.10 ± 12% +0.1 0.18 ± 5% perf-profile.self.cycles-pp.msgctl_info
0.00 +0.1 0.08 ± 22% perf-profile.self.cycles-pp.update_cfs_group
0.00 +0.1 0.08 ± 29% perf-profile.self.cycles-pp.finish_task_switch
0.00 +0.1 0.08 ± 10% perf-profile.self.cycles-pp.__update_load_avg_se
0.01 ±223% +0.1 0.09 ± 52% perf-profile.self.cycles-pp.ttwu_queue_wakelist
0.00 +0.1 0.09 ± 13% perf-profile.self.cycles-pp.reweight_entity
0.00 +0.1 0.09 ± 16% perf-profile.self.cycles-pp._raw_spin_unlock_irqrestore
0.00 +0.1 0.10 ± 22% perf-profile.self.cycles-pp.enqueue_task_fair
0.00 +0.1 0.10 ± 18% perf-profile.self.cycles-pp.send_call_function_single_ipi
0.00 +0.1 0.11 ± 16% perf-profile.self.cycles-pp.try_to_wake_up
0.01 ±223% +0.1 0.12 ± 31% perf-profile.self.cycles-pp.perf_trace_sched_wakeup_template
0.00 +0.1 0.12 ± 13% perf-profile.self.cycles-pp.set_next_entity
0.00 +0.1 0.12 ± 12% perf-profile.self.cycles-pp.update_load_avg
0.01 ±223% +0.1 0.13 ± 25% perf-profile.self.cycles-pp.available_idle_cpu
0.01 ±223% +0.1 0.15 ± 18% perf-profile.self.cycles-pp.native_sched_clock
0.00 +0.1 0.14 ± 20% perf-profile.self.cycles-pp.__switch_to_asm
0.37 ± 30% +0.1 0.52 ± 2% perf-profile.self.cycles-pp.menu_select
0.01 ±223% +0.2 0.16 ± 27% perf-profile.self.cycles-pp.enqueue_entity
0.00 +0.2 0.16 ± 34% perf-profile.self.cycles-pp.llist_add_batch
0.02 ±223% +0.2 0.19 ± 32% perf-profile.self.cycles-pp.nr_iowait_cpu
0.01 ±223% +0.2 0.19 ± 17% perf-profile.self.cycles-pp.do_idle
0.00 +0.2 0.19 ± 18% perf-profile.self.cycles-pp.update_rq_clock
0.02 ±223% +0.2 0.22 ± 17% perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.01 ±223% +0.2 0.23 ± 21% perf-profile.self.cycles-pp.__switch_to
0.01 ±223% +0.4 0.41 ± 19% perf-profile.self.cycles-pp.__schedule
0.02 ±223% +0.6 0.65 ± 17% perf-profile.self.cycles-pp.wake_q_add
0.13 ±166% +1.9 2.01 ± 22% perf-profile.self.cycles-pp.poll_idle
9.95 ± 12% +4.4 14.31 ± 4% perf-profile.self.cycles-pp.do_msgsnd
4.52 ± 22% +6.1 10.58 ± 9% perf-profile.self.cycles-pp._raw_spin_lock
stress-ng.msg.ops_per_sec
5.4e+06 +-----------------------------------------------------------------+
5.2e+06 |-+ + + +..+ : .+.+ +.. |
| : : + : + : + : : + |
5e+06 |:+ .+.+ : : + : + :+ : : |
4.8e+06 |:+.+ + : + : .+.+. + :+ + : : |
| + + .. : : +.+. + + : |
4.6e+06 |-+ + :: + |
4.4e+06 |-+ + |
4.2e+06 |-+ |
| |
4e+06 |-+ O O O |
3.8e+06 |-+ O O O O O O O O |
| O O O O O O O O O O O O |
3.6e+06 |-+ O O O O O O |
3.4e+06 +-----------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
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.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation
Thanks,
Oliver Sang
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