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Date:   Tue, 25 May 2021 15:03:54 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Yejune Deng <yejune.deng@...il.com>
Cc:     0day robot <lkp@...el.com>, Yejune Deng <yejunedeng@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        ying.huang@...el.com, feng.tang@...el.com, zhengjun.xing@...el.com,
        peterz@...radead.org, tglx@...utronix.de, mingo@...nel.org,
        rafael.j.wysocki@...el.com, rostedt@...dmis.org, npiggin@...il.com,
        mark.rutland@....com, elver@...gle.com
Subject: [irqflags]  21db66c4ff:  will-it-scale.per_process_ops -4.5%
 regression



Greeting,

FYI, we noticed a -4.5% regression of will-it-scale.per_process_ops due to commit:


commit: 21db66c4ff4e737875727ee7a1af94fd30c2a2f4 ("[PATCH] irqflags: Remove the CONFIG_TRACE_IRQFLAGS")
url: https://github.com/0day-ci/linux/commits/Yejune-Deng/irqflags-Remove-the-CONFIG_TRACE_IRQFLAGS/20210524-105251
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git c4681547bcce777daf576925a966ffa824edd09d

in testcase: will-it-scale
on test machine: 192 threads 4 sockets Intel(R) Xeon(R) Platinum 9242 CPU @ 2.30GHz with 192G memory
with following parameters:

	nr_task: 16
	mode: process
	test: dup1
	cpufreq_governor: performance
	ucode: 0x5003006

test-description: Will It Scale takes a testcase and runs it from 1 through to n parallel copies to see if the testcase will scale. It builds both a process and threads based test in order to see any differences between the two.
test-url: https://github.com/antonblanchard/will-it-scale

In addition to that, the commit also has significant impact on the following tests:

+------------------+---------------------------------------------------------------+
| testcase: change | will-it-scale: will-it-scale.per_process_ops -1.2% regression |
| test machine     | 104 threads 2 sockets Skylake with 192G memory                |
| test parameters  | cpufreq_governor=performance                                  |
|                  | mode=process                                                  |
|                  | nr_task=50%                                                   |
|                  | test=futex3                                                   |
|                  | ucode=0x2006a0a                                               |
+------------------+---------------------------------------------------------------+


FYI, we have identical kconfig for both 21db66c4ff and parent (config file is attached)
and the CONFIG_TRACE_IRQFLAGS is disabled.

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  # generate the yaml file for lkp run
        bin/lkp run                    generated-yaml-file

=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase/ucode:
  gcc-9/performance/x86_64-rhel-8.3/process/16/debian-10.4-x86_64-20200603.cgz/lkp-csl-2ap2/dup1/will-it-scale/0x5003006

commit: 
  v5.13-rc3
  21db66c4ff ("irqflags: Remove the CONFIG_TRACE_IRQFLAGS")

       v5.13-rc3 21db66c4ff4e737875727ee7a1a 
---------------- --------------------------- 
         %stddev     %change         %stddev
             \          |                \  
  78047414            -4.5%   74526776        will-it-scale.16.processes
   4877962            -4.5%    4657922        will-it-scale.per_process_ops
  78047414            -4.5%   74526776        will-it-scale.workload
     54046 ±  2%      -7.2%      50161 ±  2%  meminfo.Active
     54046 ±  2%      -7.2%      50161 ±  2%  meminfo.Active(anon)
     30554 ±  6%     -14.2%      26213 ± 14%  softirqs.CPU104.SCHED
     28598 ±  4%     -12.9%      24899 ± 10%  softirqs.CPU109.SCHED
     16002 ± 12%     -21.4%      12576 ± 17%  softirqs.CPU162.RCU
  5.04e+10 ±  7%     -46.6%  2.692e+10 ± 78%  cpuidle.C1E.time
  1.04e+08 ±  5%     -29.7%   73111874 ± 29%  cpuidle.C1E.usage
 1.755e+09 ±208%   +1300.9%  2.459e+10 ± 85%  cpuidle.C6.time
   3699595 ±209%    +689.3%   29200515 ± 84%  cpuidle.C6.usage
      0.02 ± 20%    +144.3%       0.05 ± 67%  perf-sched.sch_delay.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64
      0.01 ± 19%    +665.6%       0.08 ± 85%  perf-sched.sch_delay.max.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64
    532.87 ± 10%     +27.9%     681.63 ±  5%  perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
     61.17 ±  2%     -18.0%      50.14 ±  4%  perf-sched.wait_and_delay.count.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
    532.87 ± 10%     +27.9%     681.63 ±  5%  perf-sched.wait_time.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
     13487 ±  2%      -7.2%      12517 ±  2%  proc-vmstat.nr_active_anon
     18501            -5.2%      17532        proc-vmstat.nr_shmem
     13487 ±  2%      -7.2%      12517 ±  2%  proc-vmstat.nr_zone_active_anon
     48140 ± 21%     -28.9%      34224 ± 39%  proc-vmstat.numa_pte_updates
     17766 ±  2%      -5.7%      16757        proc-vmstat.pgactivate
     15.33 ±  6%     +56.5%      24.00 ± 27%  turbostat.Avg_MHz
  57931556 ±  5%     -31.7%   39572049 ± 32%  turbostat.C1E
     48.22 ±  6%     -23.6       24.59 ± 86%  turbostat.C1E%
   2118971 ±212%    +693.9%   16821659 ± 85%  turbostat.C6
      1.56 ±211%     +23.0       24.54 ± 85%  turbostat.C6%
      0.06 ± 11%  +27348.2%      16.01 ± 88%  turbostat.CPU%c6
      0.11          +941.1%       1.17 ± 77%  perf-stat.i.MPKI
 1.217e+10            -4.3%  1.164e+10        perf-stat.i.branch-instructions
     11.21 ±  3%      -4.8        6.41 ± 49%  perf-stat.i.cache-miss-rate%
   6914647          +914.4%   70145425 ± 77%  perf-stat.i.cache-references
      0.85            +8.8%       0.93 ±  3%  perf-stat.i.cpi
 5.347e+10            +4.6%  5.595e+10 ±  3%  perf-stat.i.cpu-cycles
      0.00 ± 83%      +0.0        0.01 ± 85%  perf-stat.i.dTLB-load-miss-rate%
 2.002e+10            -3.1%  1.941e+10        perf-stat.i.dTLB-loads
      0.00 ± 20%      +0.0        0.00 ± 77%  perf-stat.i.dTLB-store-miss-rate%
     31277 ± 22%    +800.4%     281623 ± 77%  perf-stat.i.dTLB-store-misses
 1.347e+10            -3.3%  1.302e+10        perf-stat.i.dTLB-stores
 6.284e+10            -3.9%  6.041e+10        perf-stat.i.instructions
      1.17            -8.0%       1.08 ±  3%  perf-stat.i.ipc
      0.28            +4.6%       0.29 ±  3%  perf-stat.i.metric.GHz
     51.86          +631.4%     379.32 ± 74%  perf-stat.i.metric.K/sec
    237.76            -3.5%     229.53        perf-stat.i.metric.M/sec
    190143 ±  3%      -9.6%     171895 ±  7%  perf-stat.i.node-load-misses
     94.23 ±  6%     -16.6       77.65 ± 18%  perf-stat.i.node-store-miss-rate%
      0.11          +955.6%       1.16 ± 77%  perf-stat.overall.MPKI
     11.76 ±  3%      -5.2        6.53 ± 50%  perf-stat.overall.cache-miss-rate%
      0.85            +8.8%       0.93 ±  3%  perf-stat.overall.cpi
      0.00 ± 86%      +0.0        0.01 ± 85%  perf-stat.overall.dTLB-load-miss-rate%
      0.00 ± 21%      +0.0        0.00 ± 77%  perf-stat.overall.dTLB-store-miss-rate%
      1.18            -8.0%       1.08 ±  3%  perf-stat.overall.ipc
     90.88 ±  5%     -14.8       76.04 ± 16%  perf-stat.overall.node-store-miss-rate%
 1.213e+10            -4.3%   1.16e+10        perf-stat.ps.branch-instructions
   6890069          +914.6%   69905237 ± 77%  perf-stat.ps.cache-references
 5.329e+10            +4.6%  5.576e+10 ±  3%  perf-stat.ps.cpu-cycles
     40856 ± 86%   +5184.2%    2158934 ± 85%  perf-stat.ps.dTLB-load-misses
 1.995e+10            -3.1%  1.934e+10        perf-stat.ps.dTLB-loads
     31163 ± 22%    +800.6%     280650 ± 77%  perf-stat.ps.dTLB-store-misses
 1.342e+10            -3.3%  1.298e+10        perf-stat.ps.dTLB-stores
 6.263e+10            -3.9%  6.021e+10        perf-stat.ps.instructions
    189640 ±  3%      -9.7%     171303 ±  7%  perf-stat.ps.node-load-misses
 1.891e+13            -3.9%  1.818e+13        perf-stat.total.instructions
      0.69 ±  9%      +0.2        0.86 ±  7%  perf-profile.calltrace.cycles-pp.locks_remove_posix.filp_close.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
      0.90 ±  8%      +0.2        1.07 ±  5%  perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_safe_stack.__close
      0.09 ±223%      +0.6        0.68 ± 10%  perf-profile.calltrace.cycles-pp.dnotify_flush.filp_close.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
      0.96 ± 18%      +0.7        1.63 ±  7%  perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state
      0.21 ±141%      +0.7        0.87 ± 16%  perf-profile.calltrace.cycles-pp.menu_select.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
      0.30 ±100%      +0.7        0.98 ± 16%  perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
      0.98 ± 18%      +0.7        1.66 ±  7%  perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter
      1.48 ±  8%      +0.8        2.31 ±  3%  perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.dup
      1.66 ± 13%      +0.9        2.55 ±  7%  perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.do_idle
      1.87 ± 12%      +1.0        2.85 ±  7%  perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry
      0.81 ±  8%      +1.7        2.47 ±  5%  perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
      1.50 ±  8%      +2.6        4.14 ±  6%  perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
     11.46 ±  8%      +4.0       15.49 ±  5%  perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
     13.30 ±  8%      +4.2       17.50 ±  5%  perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close
      0.09 ± 10%      +0.0        0.12 ± 10%  perf-profile.children.cycles-pp.read_tsc
      0.11 ±  6%      +0.0        0.15 ±  9%  perf-profile.children.cycles-pp.process_simple
      0.04 ± 72%      +0.0        0.09 ± 23%  perf-profile.children.cycles-pp.update_rq_clock
      0.02 ±141%      +0.0        0.06 ±  7%  perf-profile.children.cycles-pp.perf_session__deliver_event
      0.10 ±  9%      +0.0        0.15 ±  7%  perf-profile.children.cycles-pp.native_sched_clock
      0.06 ± 14%      +0.1        0.11 ± 15%  perf-profile.children.cycles-pp.load_balance
      0.02 ±142%      +0.1        0.07 ± 11%  perf-profile.children.cycles-pp.update_sd_lb_stats
      0.02 ±141%      +0.1        0.07 ± 18%  perf-profile.children.cycles-pp.hrtimer_next_event_without
      0.00            +0.1        0.05 ±  9%  perf-profile.children.cycles-pp.__ordered_events__flush
      0.10 ± 16%      +0.1        0.15 ± 15%  perf-profile.children.cycles-pp.perf_mux_hrtimer_handler
      0.13 ± 11%      +0.1        0.19 ±  8%  perf-profile.children.cycles-pp.rebalance_domains
      0.11 ±  9%      +0.1        0.17 ±  8%  perf-profile.children.cycles-pp.sched_clock_cpu
      0.00            +0.1        0.06 ± 16%  perf-profile.children.cycles-pp.arch_scale_freq_tick
      0.02 ±142%      +0.1        0.08 ± 10%  perf-profile.children.cycles-pp.find_busiest_group
      0.01 ±223%      +0.1        0.07 ± 17%  perf-profile.children.cycles-pp.get_next_timer_interrupt
      0.00            +0.1        0.08 ± 29%  perf-profile.children.cycles-pp.rcu_idle_exit
      0.03 ± 99%      +0.1        0.11 ± 23%  perf-profile.children.cycles-pp.rcu_sched_clock_irq
      0.00            +0.1        0.08 ± 31%  perf-profile.children.cycles-pp.__hrtimer_next_event_base
      0.01 ±223%      +0.1        0.09 ± 33%  perf-profile.children.cycles-pp.hrtimer_update_next_event
      0.39 ±  7%      +0.1        0.48 ±  8%  perf-profile.children.cycles-pp.rcu_nocb_flush_deferred_wakeup
      0.22 ±  8%      +0.1        0.33 ± 11%  perf-profile.children.cycles-pp.__softirqentry_text_start
      0.29 ±  9%      +0.1        0.43 ± 10%  perf-profile.children.cycles-pp.irq_exit_rcu
      0.37 ± 15%      +0.1        0.51 ±  7%  perf-profile.children.cycles-pp.scheduler_tick
      0.73 ±  9%      +0.2        0.90 ±  8%  perf-profile.children.cycles-pp.locks_remove_posix
      0.45 ± 11%      +0.2        0.68 ± 10%  perf-profile.children.cycles-pp.dnotify_flush
      0.53 ± 14%      +0.3        0.79 ±  8%  perf-profile.children.cycles-pp.update_process_times
      0.58 ±  9%      +0.3        0.85 ±  6%  perf-profile.children.cycles-pp.syscall_exit_to_user_mode_prepare
      0.54 ± 14%      +0.3        0.84 ±  9%  perf-profile.children.cycles-pp.tick_sched_handle
      0.60 ± 13%      +0.3        0.91 ±  7%  perf-profile.children.cycles-pp.tick_sched_timer
      0.45 ± 32%      +0.4        0.88 ± 15%  perf-profile.children.cycles-pp.menu_select
      0.79 ± 12%      +0.5        1.29 ± 11%  perf-profile.children.cycles-pp.__hrtimer_run_queues
      1.32 ± 13%      +0.7        2.02 ±  3%  perf-profile.children.cycles-pp.hrtimer_interrupt
      1.34 ± 13%      +0.7        2.06 ±  3%  perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
      2.05 ± 11%      +0.9        2.98 ±  5%  perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
      2.29 ± 11%      +1.0        3.32 ±  5%  perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
      1.86 ±  8%      +1.6        3.46 ±  4%  perf-profile.children.cycles-pp.exit_to_user_mode_prepare
      3.41 ±  8%      +3.5        6.91 ±  4%  perf-profile.children.cycles-pp.syscall_exit_to_user_mode
     27.46 ±  8%      +6.1       33.56 ±  4%  perf-profile.children.cycles-pp.do_syscall_64
     31.32 ±  8%      +6.4       37.72 ±  4%  perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
      0.09 ± 10%      +0.0        0.14 ±  8%  perf-profile.self.cycles-pp.native_sched_clock
      0.00            +0.1        0.06 ± 16%  perf-profile.self.cycles-pp.arch_scale_freq_tick
      0.02 ±142%      +0.1        0.08 ± 57%  perf-profile.self.cycles-pp.tick_nohz_next_event
      0.00            +0.1        0.08 ± 28%  perf-profile.self.cycles-pp.do_idle
      0.01 ±223%      +0.1        0.09 ± 25%  perf-profile.self.cycles-pp.rcu_sched_clock_irq
      0.23 ±  7%      +0.1        0.37 ±  8%  perf-profile.self.cycles-pp.rcu_nocb_flush_deferred_wakeup
      0.26 ± 10%      +0.1        0.41 ±  9%  perf-profile.self.cycles-pp.cpuidle_enter_state
      0.19 ± 30%      +0.2        0.42 ± 10%  perf-profile.self.cycles-pp.menu_select
      0.44 ± 13%      +0.2        0.67 ± 11%  perf-profile.self.cycles-pp.dnotify_flush
      0.52 ±  9%      +0.3        0.81 ±  6%  perf-profile.self.cycles-pp.syscall_exit_to_user_mode_prepare
      1.44 ±  8%      +1.4        2.87 ±  4%  perf-profile.self.cycles-pp.exit_to_user_mode_prepare
      1.16 ±  8%      +1.6        2.81 ±  4%  perf-profile.self.cycles-pp.syscall_exit_to_user_mode
      7117 ± 24%     -48.3%       3677 ± 59%  interrupts.CPU1.NMI:Non-maskable_interrupts
      7117 ± 24%     -48.3%       3677 ± 59%  interrupts.CPU1.PMI:Performance_monitoring_interrupts
      6322 ± 27%     -58.1%       2650 ± 23%  interrupts.CPU101.NMI:Non-maskable_interrupts
      6322 ± 27%     -58.1%       2650 ± 23%  interrupts.CPU101.PMI:Performance_monitoring_interrupts
      6929 ± 18%     -52.8%       3272 ± 41%  interrupts.CPU104.NMI:Non-maskable_interrupts
      6929 ± 18%     -52.8%       3272 ± 41%  interrupts.CPU104.PMI:Performance_monitoring_interrupts
     68.00 ±  6%     +90.3%     129.43 ± 33%  interrupts.CPU120.NMI:Non-maskable_interrupts
     68.00 ±  6%     +90.3%     129.43 ± 33%  interrupts.CPU120.PMI:Performance_monitoring_interrupts
     62.67 ± 23%     +92.6%     120.71 ± 31%  interrupts.CPU137.NMI:Non-maskable_interrupts
     62.67 ± 23%     +92.6%     120.71 ± 31%  interrupts.CPU137.PMI:Performance_monitoring_interrupts
     66.33 ± 28%     +86.7%     123.86 ± 33%  interrupts.CPU138.NMI:Non-maskable_interrupts
     66.33 ± 28%     +86.7%     123.86 ± 33%  interrupts.CPU138.PMI:Performance_monitoring_interrupts
     61.17 ± 24%     +93.4%     118.29 ± 44%  interrupts.CPU139.NMI:Non-maskable_interrupts
     61.17 ± 24%     +93.4%     118.29 ± 44%  interrupts.CPU139.PMI:Performance_monitoring_interrupts
     66.33 ±  6%     +91.9%     127.29 ± 73%  interrupts.CPU142.NMI:Non-maskable_interrupts
     66.33 ±  6%     +91.9%     127.29 ± 73%  interrupts.CPU142.PMI:Performance_monitoring_interrupts
     76.50 ± 11%     +51.8%     116.14 ± 29%  interrupts.CPU147.NMI:Non-maskable_interrupts
     76.50 ± 11%     +51.8%     116.14 ± 29%  interrupts.CPU147.PMI:Performance_monitoring_interrupts
     68.83 ±  6%     +75.0%     120.43 ± 32%  interrupts.CPU148.NMI:Non-maskable_interrupts
     68.83 ±  6%     +75.0%     120.43 ± 32%  interrupts.CPU148.PMI:Performance_monitoring_interrupts
     61.33 ± 22%     +85.2%     113.57 ± 31%  interrupts.CPU149.NMI:Non-maskable_interrupts
     61.33 ± 22%     +85.2%     113.57 ± 31%  interrupts.CPU149.PMI:Performance_monitoring_interrupts
     61.33 ± 21%     +84.2%     113.00 ± 32%  interrupts.CPU162.NMI:Non-maskable_interrupts
     61.33 ± 21%     +84.2%     113.00 ± 32%  interrupts.CPU162.PMI:Performance_monitoring_interrupts
     63.17 ± 22%     +54.7%      97.71 ± 35%  interrupts.CPU172.NMI:Non-maskable_interrupts
     63.17 ± 22%     +54.7%      97.71 ± 35%  interrupts.CPU172.PMI:Performance_monitoring_interrupts
     63.00 ± 19%     +82.8%     115.14 ± 39%  interrupts.CPU174.NMI:Non-maskable_interrupts
     63.00 ± 19%     +82.8%     115.14 ± 39%  interrupts.CPU174.PMI:Performance_monitoring_interrupts
     56.33 ± 27%    +113.8%     120.43 ± 32%  interrupts.CPU178.NMI:Non-maskable_interrupts
     56.33 ± 27%    +113.8%     120.43 ± 32%  interrupts.CPU178.PMI:Performance_monitoring_interrupts
     62.50 ± 20%     +98.4%     124.00 ± 35%  interrupts.CPU180.NMI:Non-maskable_interrupts
     62.50 ± 20%     +98.4%     124.00 ± 35%  interrupts.CPU180.PMI:Performance_monitoring_interrupts
     63.17 ± 16%     +86.8%     118.00 ± 31%  interrupts.CPU182.NMI:Non-maskable_interrupts
     63.17 ± 16%     +86.8%     118.00 ± 31%  interrupts.CPU182.PMI:Performance_monitoring_interrupts
     62.67 ± 19%     +93.1%     121.00 ± 33%  interrupts.CPU183.NMI:Non-maskable_interrupts
     62.67 ± 19%     +93.1%     121.00 ± 33%  interrupts.CPU183.PMI:Performance_monitoring_interrupts
     62.50 ± 19%     +86.3%     116.43 ± 30%  interrupts.CPU184.NMI:Non-maskable_interrupts
     62.50 ± 19%     +86.3%     116.43 ± 30%  interrupts.CPU184.PMI:Performance_monitoring_interrupts
     57.67 ± 29%    +106.1%     118.86 ± 31%  interrupts.CPU185.NMI:Non-maskable_interrupts
     57.67 ± 29%    +106.1%     118.86 ± 31%  interrupts.CPU185.PMI:Performance_monitoring_interrupts
     65.67 ± 23%     +89.1%     124.14 ± 33%  interrupts.CPU29.NMI:Non-maskable_interrupts
     65.67 ± 23%     +89.1%     124.14 ± 33%  interrupts.CPU29.PMI:Performance_monitoring_interrupts
     60.83 ± 21%     +89.3%     115.14 ± 40%  interrupts.CPU30.NMI:Non-maskable_interrupts
     60.83 ± 21%     +89.3%     115.14 ± 40%  interrupts.CPU30.PMI:Performance_monitoring_interrupts
     60.50 ± 21%     +88.7%     114.14 ± 40%  interrupts.CPU31.NMI:Non-maskable_interrupts
     60.50 ± 21%     +88.7%     114.14 ± 40%  interrupts.CPU31.PMI:Performance_monitoring_interrupts
     55.33 ± 31%    +120.0%     121.71 ± 32%  interrupts.CPU33.NMI:Non-maskable_interrupts
     55.33 ± 31%    +120.0%     121.71 ± 32%  interrupts.CPU33.PMI:Performance_monitoring_interrupts
     54.50 ± 31%    +120.7%     120.29 ± 33%  interrupts.CPU34.NMI:Non-maskable_interrupts
     54.50 ± 31%    +120.7%     120.29 ± 33%  interrupts.CPU34.PMI:Performance_monitoring_interrupts
     54.67 ± 31%    +130.5%     126.00 ± 35%  interrupts.CPU35.NMI:Non-maskable_interrupts
     54.67 ± 31%    +130.5%     126.00 ± 35%  interrupts.CPU35.PMI:Performance_monitoring_interrupts
     54.83 ± 31%    +139.4%     131.29 ± 38%  interrupts.CPU36.NMI:Non-maskable_interrupts
     54.83 ± 31%    +139.4%     131.29 ± 38%  interrupts.CPU36.PMI:Performance_monitoring_interrupts
     54.83 ± 31%    +122.5%     122.00 ± 33%  interrupts.CPU37.NMI:Non-maskable_interrupts
     54.83 ± 31%    +122.5%     122.00 ± 33%  interrupts.CPU37.PMI:Performance_monitoring_interrupts
     55.83 ± 32%    +115.9%     120.57 ± 33%  interrupts.CPU38.NMI:Non-maskable_interrupts
     55.83 ± 32%    +115.9%     120.57 ± 33%  interrupts.CPU38.PMI:Performance_monitoring_interrupts
     57.67 ± 35%    +112.6%     122.57 ± 32%  interrupts.CPU39.NMI:Non-maskable_interrupts
     57.67 ± 35%    +112.6%     122.57 ± 32%  interrupts.CPU39.PMI:Performance_monitoring_interrupts
     68.67 ±  4%     +61.4%     110.86 ± 35%  interrupts.CPU41.NMI:Non-maskable_interrupts
     68.67 ±  4%     +61.4%     110.86 ± 35%  interrupts.CPU41.PMI:Performance_monitoring_interrupts
     70.17 ±  9%     +77.5%     124.57 ± 33%  interrupts.CPU42.NMI:Non-maskable_interrupts
     70.17 ±  9%     +77.5%     124.57 ± 33%  interrupts.CPU42.PMI:Performance_monitoring_interrupts
     66.17 ±  5%     +87.2%     123.86 ± 34%  interrupts.CPU43.NMI:Non-maskable_interrupts
     66.17 ±  5%     +87.2%     123.86 ± 34%  interrupts.CPU43.PMI:Performance_monitoring_interrupts
     52.67 ± 32%    +132.7%     122.57 ± 33%  interrupts.CPU44.NMI:Non-maskable_interrupts
     52.67 ± 32%    +132.7%     122.57 ± 33%  interrupts.CPU44.PMI:Performance_monitoring_interrupts
     67.33 ± 44%     +80.1%     121.29 ± 32%  interrupts.CPU45.NMI:Non-maskable_interrupts
     67.33 ± 44%     +80.1%     121.29 ± 32%  interrupts.CPU45.PMI:Performance_monitoring_interrupts
     56.00 ± 32%    +263.3%     203.43 ±106%  interrupts.CPU46.NMI:Non-maskable_interrupts
     56.00 ± 32%    +263.3%     203.43 ±106%  interrupts.CPU46.PMI:Performance_monitoring_interrupts
     57.00 ± 33%    +113.3%     121.57 ± 33%  interrupts.CPU47.NMI:Non-maskable_interrupts
     57.00 ± 33%    +113.3%     121.57 ± 33%  interrupts.CPU47.PMI:Performance_monitoring_interrupts
     57.83 ± 29%    +139.1%     138.29 ± 29%  interrupts.CPU50.NMI:Non-maskable_interrupts
     57.83 ± 29%    +139.1%     138.29 ± 29%  interrupts.CPU50.PMI:Performance_monitoring_interrupts
     55.17 ± 39%    +131.0%     127.43 ± 27%  interrupts.CPU51.NMI:Non-maskable_interrupts
     55.17 ± 39%    +131.0%     127.43 ± 27%  interrupts.CPU51.PMI:Performance_monitoring_interrupts
     50.83 ± 36%    +150.7%     127.43 ± 27%  interrupts.CPU52.NMI:Non-maskable_interrupts
     50.83 ± 36%    +150.7%     127.43 ± 27%  interrupts.CPU52.PMI:Performance_monitoring_interrupts
     56.33 ± 29%    +141.2%     135.86 ± 37%  interrupts.CPU54.NMI:Non-maskable_interrupts
     56.33 ± 29%    +141.2%     135.86 ± 37%  interrupts.CPU54.PMI:Performance_monitoring_interrupts
     55.17 ± 30%    +124.3%     123.71 ± 30%  interrupts.CPU55.NMI:Non-maskable_interrupts
     55.17 ± 30%    +124.3%     123.71 ± 30%  interrupts.CPU55.PMI:Performance_monitoring_interrupts
     43.83 ± 35%    +366.1%     204.29 ± 86%  interrupts.CPU56.NMI:Non-maskable_interrupts
     43.83 ± 35%    +366.1%     204.29 ± 86%  interrupts.CPU56.PMI:Performance_monitoring_interrupts
     51.67 ± 27%    +121.5%     114.43 ± 35%  interrupts.CPU59.NMI:Non-maskable_interrupts
     51.67 ± 27%    +121.5%     114.43 ± 35%  interrupts.CPU59.PMI:Performance_monitoring_interrupts
     49.33 ± 31%    +131.9%     114.43 ± 34%  interrupts.CPU60.NMI:Non-maskable_interrupts
     49.33 ± 31%    +131.9%     114.43 ± 34%  interrupts.CPU60.PMI:Performance_monitoring_interrupts
     49.83 ± 32%    +135.1%     117.14 ± 40%  interrupts.CPU61.NMI:Non-maskable_interrupts
     49.83 ± 32%    +135.1%     117.14 ± 40%  interrupts.CPU61.PMI:Performance_monitoring_interrupts
     54.50 ± 28%    +125.7%     123.00 ± 31%  interrupts.CPU62.NMI:Non-maskable_interrupts
     54.50 ± 28%    +125.7%     123.00 ± 31%  interrupts.CPU62.PMI:Performance_monitoring_interrupts
     55.50 ± 29%    +121.9%     123.14 ± 30%  interrupts.CPU63.NMI:Non-maskable_interrupts
     55.50 ± 29%    +121.9%     123.14 ± 30%  interrupts.CPU63.PMI:Performance_monitoring_interrupts
     54.67 ± 27%    +246.8%     189.57 ± 81%  interrupts.CPU64.NMI:Non-maskable_interrupts
     54.67 ± 27%    +246.8%     189.57 ± 81%  interrupts.CPU64.PMI:Performance_monitoring_interrupts
     71.33 ± 14%    +116.3%     154.29 ± 55%  interrupts.CPU67.NMI:Non-maskable_interrupts
     71.33 ± 14%    +116.3%     154.29 ± 55%  interrupts.CPU67.PMI:Performance_monitoring_interrupts
     75.83 ± 18%     +66.3%     126.14 ± 28%  interrupts.CPU68.NMI:Non-maskable_interrupts
     75.83 ± 18%     +66.3%     126.14 ± 28%  interrupts.CPU68.PMI:Performance_monitoring_interrupts
     57.83 ± 32%    +118.4%     126.29 ± 28%  interrupts.CPU70.NMI:Non-maskable_interrupts
     57.83 ± 32%    +118.4%     126.29 ± 28%  interrupts.CPU70.PMI:Performance_monitoring_interrupts
     62.67 ± 21%     +75.5%     110.00 ± 35%  interrupts.CPU77.NMI:Non-maskable_interrupts
     62.67 ± 21%     +75.5%     110.00 ± 35%  interrupts.CPU77.PMI:Performance_monitoring_interrupts
     61.67 ± 21%     +79.5%     110.71 ± 35%  interrupts.CPU78.NMI:Non-maskable_interrupts
     61.67 ± 21%     +79.5%     110.71 ± 35%  interrupts.CPU78.PMI:Performance_monitoring_interrupts
     61.83 ± 20%     +79.3%     110.86 ± 33%  interrupts.CPU79.NMI:Non-maskable_interrupts
     61.83 ± 20%     +79.3%     110.86 ± 33%  interrupts.CPU79.PMI:Performance_monitoring_interrupts
     67.67 ±  3%    +120.6%     149.29 ± 46%  interrupts.CPU80.NMI:Non-maskable_interrupts
     67.67 ±  3%    +120.6%     149.29 ± 46%  interrupts.CPU80.PMI:Performance_monitoring_interrupts
     67.50 ±  4%     +79.3%     121.00 ± 31%  interrupts.CPU81.NMI:Non-maskable_interrupts
     67.50 ±  4%     +79.3%     121.00 ± 31%  interrupts.CPU81.PMI:Performance_monitoring_interrupts
     62.00 ± 21%     +73.3%     107.43 ± 34%  interrupts.CPU92.NMI:Non-maskable_interrupts
     62.00 ± 21%     +73.3%     107.43 ± 34%  interrupts.CPU92.PMI:Performance_monitoring_interrupts
     61.83 ± 22%     +73.0%     107.00 ± 34%  interrupts.CPU93.NMI:Non-maskable_interrupts
     61.83 ± 22%     +73.0%     107.00 ± 34%  interrupts.CPU93.PMI:Performance_monitoring_interrupts
     62.00 ± 21%    +132.5%     144.14 ± 76%  interrupts.CPU94.NMI:Non-maskable_interrupts
     62.00 ± 21%    +132.5%     144.14 ± 76%  interrupts.CPU94.PMI:Performance_monitoring_interrupts
      6253 ± 12%     -50.2%       3114 ± 40%  interrupts.CPU98.NMI:Non-maskable_interrupts
      6253 ± 12%     -50.2%       3114 ± 40%  interrupts.CPU98.PMI:Performance_monitoring_interrupts
    227499 ±  8%     -21.0%     179728 ±  9%  interrupts.NMI:Non-maskable_interrupts
    227499 ±  8%     -21.0%     179728 ±  9%  interrupts.PMI:Performance_monitoring_interrupts
      1042 ± 27%     -68.5%     328.00 ± 86%  interrupts.TLB:TLB_shootdowns


                                                                                
                              will-it-scale.16.processes                        
                                                                                
  7.85e+07 +----------------------------------------------------------------+   
           |  .+..+.+.+.+.+.+                  .+.+.+.+..   .+.+.+.+        |   
   7.8e+07 |.+               +             .+.+          +.+                |   
  7.75e+07 |-+                + .+.+.   .+.                                 |   
           |                   +     +.+                                    |   
   7.7e+07 |-+                                                              |   
  7.65e+07 |-+                                                              |   
           |                                                                |   
   7.6e+07 |-+                                                              |   
  7.55e+07 |-+                                                              |   
           |                                                                |   
   7.5e+07 |-+        O O O              O  O O                             |   
  7.45e+07 |-O O  O O       O    O O O O          O O O  O   O   O O  O O   |   
           |                                    O          O   O          O |   
   7.4e+07 +----------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                             will-it-scale.per_process_ops                      
                                                                                
   4.9e+06 +----------------------------------------------------------------+   
           |.+.+..+.+.+   +  +              +.+.+.+.+.+..+.+.+.+.+.+        |   
  4.85e+06 |-+                +           ..                                |   
           |                   +.+.+.+.+.+                                  |   
           |                                                                |   
   4.8e+06 |-+                                                              |   
           |                                                                |   
  4.75e+06 |-+                                                              |   
           |                                                                |   
   4.7e+06 |-+                                                              |   
           |          O O O              O  O O                             |   
           | O O  O O       O    O O O O          O O O  O O O   O O  O O O |   
  4.65e+06 |-+                                  O              O            |   
           |                   O                                            |   
   4.6e+06 +----------------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                                will-it-scale.workload                          
                                                                                
  7.85e+07 +----------------------------------------------------------------+   
           |  .+..+.+.+.+.+.+                  .+.+.+.+..   .+.+.+.+        |   
   7.8e+07 |.+               +             .+.+          +.+                |   
  7.75e+07 |-+                + .+.+.   .+.                                 |   
           |                   +     +.+                                    |   
   7.7e+07 |-+                                                              |   
  7.65e+07 |-+                                                              |   
           |                                                                |   
   7.6e+07 |-+                                                              |   
  7.55e+07 |-+                                                              |   
           |                                                                |   
   7.5e+07 |-+        O O O              O  O O                             |   
  7.45e+07 |-O O  O O       O    O O O O          O O O  O   O   O O  O O   |   
           |                                    O          O   O          O |   
   7.4e+07 +----------------------------------------------------------------+   
                                                                                
                                                                                
[*] bisect-good sample
[O] bisect-bad  sample

***************************************************************************************************
lkp-skl-fpga01: 104 threads 2 sockets Skylake with 192G memory
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase/ucode:
  gcc-9/performance/x86_64-rhel-8.3/process/50%/debian-10.4-x86_64-20200603.cgz/lkp-skl-fpga01/futex3/will-it-scale/0x2006a0a

commit: 
  v5.13-rc3
  21db66c4ff ("irqflags: Remove the CONFIG_TRACE_IRQFLAGS")

       v5.13-rc3 21db66c4ff4e737875727ee7a1a 
---------------- --------------------------- 
         %stddev     %change         %stddev
             \          |                \  
 1.051e+08            -1.2%  1.038e+08        will-it-scale.52.processes
   2020588            -1.2%    1995983        will-it-scale.per_process_ops
 1.051e+08            -1.2%  1.038e+08        will-it-scale.workload
     80.35 ±  4%     -48.3       32.04 ± 19%  turbostat.PKG_%
      0.00            +1.2        1.21 ± 11%  perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
      0.45 ± 12%      +0.8        1.22 ± 11%  perf-profile.children.cycles-pp.exit_to_user_mode_prepare
      0.03 ±100%      +0.1        0.09 ± 11%  perf-profile.self.cycles-pp.rcu_nocb_flush_deferred_wakeup
      0.35 ± 13%      +0.7        1.08 ± 11%  perf-profile.self.cycles-pp.exit_to_user_mode_prepare
 7.508e+09            -1.2%  7.418e+09        perf-stat.i.branch-instructions
 1.103e+08            -1.2%  1.089e+08        perf-stat.i.branch-misses
 1.047e+08            -1.2%  1.035e+08        perf-stat.i.dTLB-load-misses
 1.106e+08            -5.2%  1.048e+08        perf-stat.i.iTLB-load-misses
    476.13            +4.4%     497.12        perf-stat.i.instructions-per-iTLB-miss
    473.01            +4.6%     494.76        perf-stat.overall.instructions-per-iTLB-miss
 7.484e+09            -1.2%  7.394e+09        perf-stat.ps.branch-instructions
   1.1e+08            -1.3%  1.086e+08        perf-stat.ps.branch-misses
 1.044e+08            -1.2%  1.032e+08        perf-stat.ps.dTLB-load-misses
 1.102e+08            -5.2%  1.045e+08        perf-stat.ps.iTLB-load-misses
    205.83 ± 27%     -38.9%     125.71 ± 50%  interrupts.CPU102.RES:Rescheduling_interrupts
    579.17 ± 14%     +40.0%     810.57 ± 41%  interrupts.CPU18.CAL:Function_call_interrupts
    250.17 ± 10%     -50.4%     124.00 ± 50%  interrupts.CPU21.RES:Rescheduling_interrupts
    333.00 ± 33%     -39.0%     203.29 ± 20%  interrupts.CPU36.RES:Rescheduling_interrupts
    240.33 ± 28%     -46.1%     129.43 ± 65%  interrupts.CPU44.RES:Rescheduling_interrupts
    918.33 ± 18%     -26.8%     672.29 ± 11%  interrupts.CPU5.CAL:Function_call_interrupts
    222.00 ± 26%     -46.8%     118.14 ± 66%  interrupts.CPU57.RES:Rescheduling_interrupts
      6182 ± 22%     -36.6%       3917 ± 43%  interrupts.CPU59.NMI:Non-maskable_interrupts
      6182 ± 22%     -36.6%       3917 ± 43%  interrupts.CPU59.PMI:Performance_monitoring_interrupts
    168.50 ± 42%     -58.3%      70.29 ± 50%  interrupts.CPU63.RES:Rescheduling_interrupts
    797.17 ± 11%     -21.8%     623.57 ± 15%  interrupts.CPU73.CAL:Function_call_interrupts
     85.00 ± 47%    +138.0%     202.29 ± 33%  interrupts.CPU73.RES:Rescheduling_interrupts
     30941 ± 40%     -46.7%      16493 ± 20%  softirqs.CPU102.RCU
     38860 ± 41%     -49.2%      19737 ± 20%  softirqs.CPU21.RCU
     12439 ± 40%    +121.2%      27510 ± 30%  softirqs.CPU21.SCHED
     35338 ± 46%     -44.5%      19600 ± 17%  softirqs.CPU33.RCU
     31104 ± 38%     -40.5%      18512 ± 24%  softirqs.CPU35.RCU
     34441 ± 39%     -41.7%      20065 ± 16%  softirqs.CPU36.RCU
     29595 ± 34%     -40.3%      17662 ± 17%  softirqs.CPU39.RCU
     31616 ± 22%     -53.0%      14858 ± 55%  softirqs.CPU5.SCHED
     28193 ± 24%     -44.1%      15756 ± 50%  softirqs.CPU50.SCHED
     37243 ± 43%     -50.0%      18618 ± 20%  softirqs.CPU57.RCU
     13945 ± 51%    +104.9%      28576 ± 32%  softirqs.CPU57.SCHED
     28293 ± 34%     -46.7%      15075 ±  6%  softirqs.CPU63.RCU
     33311 ± 16%     -47.2%      17572 ± 47%  softirqs.CPU73.SCHED
     29970 ± 38%     -43.6%      16895 ± 20%  softirqs.CPU76.RCU
     30102 ± 36%     -40.2%      17988 ± 11%  softirqs.CPU77.RCU
     27180 ± 37%     -36.0%      17407 ± 16%  softirqs.CPU93.RCU





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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