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Date: Sat, 22 Aug 2015 07:29:43 +0800
From: kernel test robot <ying.huang@...el.com>
TO: Preeti U Murthy <preeti@...ux.vnet.ibm.com>
CC: Ingo Molnar <mingo@...nel.org>
Subject: [lkp] [sched] d4573c3e1c: -5.9% unixbench.score
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit d4573c3e1c992668f5dcd57d1c2ced56ae9650b9 ("sched: Improve load balancing in the presence of idle CPUs")
=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/test:
nhm-white/unixbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/execl
commit:
dfbca41f347997e57048a53755611c8e2d792924
d4573c3e1c992668f5dcd57d1c2ced56ae9650b9
dfbca41f347997e5 d4573c3e1c992668f5dcd57d1c
---------------- --------------------------
%stddev %change %stddev
\ | \
4725 ± 0% -2.7% 4599 ± 0% unixbench.score
2123335 ± 0% -1.7% 2087061 ± 0% unixbench.time.involuntary_context_switches
99575417 ± 0% -2.3% 97252046 ± 0% unixbench.time.minor_page_faults
317.00 ± 0% -2.2% 310.00 ± 0% unixbench.time.percent_of_cpu_this_job_got
515.93 ± 0% -2.3% 504.21 ± 0% unixbench.time.system_time
450501 ± 0% -4.9% 428319 ± 0% unixbench.time.voluntary_context_switches
301368 ± 0% -11.4% 267086 ± 0% softirqs.SCHED
49172197 ± 0% -10.0% 44274425 ± 0% cpuidle.C1E-NHM.time
613281 ± 0% -17.6% 505485 ± 0% cpuidle.C1E-NHM.usage
232695 ± 5% -12.9% 202734 ± 1% latency_stats.sum.call_rwsem_down_write_failed.unlink_file_vma.free_pgtables.unmap_region.do_munmap.mmap_region.do_mmap_pgoff.vm_mmap_pgoff.SyS_mmap_pgoff.SyS_mmap.system_call_fastpath
470921 ± 2% -10.7% 420710 ± 1% latency_stats.sum.call_rwsem_down_write_failed.vma_adjust.__split_vma.split_vma.mprotect_fixup.SyS_mprotect.system_call_fastpath
42.74 ± 0% -2.2% 41.81 ± 0% turbostat.%Busy
1232 ± 0% -2.2% 1205 ± 0% turbostat.Avg_MHz
45.75 ± 33% +100.0% 91.50 ± 17% sched_debug.cfs_rq[1]:/.load
1788 ± 22% -64.0% 644.25 ± 61% sched_debug.cfs_rq[3]:/.blocked_load_avg
1950 ± 22% -62.9% 724.00 ± 55% sched_debug.cfs_rq[3]:/.tg_load_contrib
-315.00 ± -5% +13.1% -356.25 ± -5% sched_debug.cpu#0.nr_uninterruptible
69.00 ± 6% +12.3% 77.50 ± 4% sched_debug.cpu#1.cpu_load[3]
45.75 ± 33% +100.0% 91.50 ± 17% sched_debug.cpu#1.load
449022 ± 6% +15.4% 518171 ± 4% sched_debug.cpu#2.avg_idle
624.00 ± 62% +115.9% 1347 ± 26% sched_debug.cpu#2.curr->pid
-403.75 ± -4% +26.9% -512.25 ± -9% sched_debug.cpu#2.nr_uninterruptible
-433.00 ± -4% +18.0% -511.00 ±-11% sched_debug.cpu#3.nr_uninterruptible
315.50 ± 6% +31.5% 415.00 ± 9% sched_debug.cpu#4.nr_uninterruptible
399.00 ± 4% +18.2% 471.75 ± 7% sched_debug.cpu#5.nr_uninterruptible
407.50 ± 0% +18.6% 483.25 ± 4% sched_debug.cpu#6.nr_uninterruptible
402.00 ± 8% +20.8% 485.50 ± 2% sched_debug.cpu#7.nr_uninterruptible
=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test:
lituya/unixbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/execl
commit:
dfbca41f347997e57048a53755611c8e2d792924
d4573c3e1c992668f5dcd57d1c2ced56ae9650b9
dfbca41f347997e5 d4573c3e1c992668f5dcd57d1c
---------------- --------------------------
%stddev %change %stddev
\ | \
10886 ± 0% -5.9% 10249 ± 0% unixbench.score
4700905 ± 0% -4.9% 4468392 ± 0% unixbench.time.involuntary_context_switches
2.16e+08 ± 0% -5.4% 2.044e+08 ± 0% unixbench.time.minor_page_faults
554.50 ± 0% -9.9% 499.50 ± 2% unixbench.time.percent_of_cpu_this_job_got
902.06 ± 0% -8.1% 828.84 ± 0% unixbench.time.system_time
192.66 ± 0% -7.6% 177.94 ± 0% unixbench.time.user_time
2695111 ± 0% -10.9% 2400967 ± 3% unixbench.time.voluntary_context_switches
525929 ± 0% -25.9% 389861 ± 1% softirqs.SCHED
2695111 ± 0% -10.9% 2400967 ± 3% time.voluntary_context_switches
121703 ± 0% -6.6% 113648 ± 2% vmstat.system.cs
26498 ± 0% -6.2% 24852 ± 2% vmstat.system.in
6429895 ± 0% -9.8% 5800792 ± 0% cpuidle.C1-HSW.usage
1927178 ± 0% -20.6% 1529231 ± 1% cpuidle.C1E-HSW.usage
50019600 ± 3% +92.3% 96177564 ± 4% cpuidle.C3-HSW.time
721114 ± 2% +40.6% 1013620 ± 4% cpuidle.C3-HSW.usage
928033 ± 2% +13.8% 1056036 ± 2% cpuidle.C6-HSW.usage
36.80 ± 0% -9.6% 33.28 ± 2% turbostat.%Busy
1214 ± 0% -9.5% 1098 ± 2% turbostat.Avg_MHz
0.07 ± 14% +85.7% 0.13 ± 35% turbostat.Pkg%pc2
3.68 ± 10% +85.5% 6.83 ± 35% turbostat.Pkg%pc6
53.85 ± 0% -4.2% 51.61 ± 2% turbostat.PkgWatt
0.00 ± -1% +Inf% 4318915 ±150% latency_stats.avg.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.vfs_write.SyS_write.system_call_fastpath
11715 ±101% +3928.9% 471985 ±157% latency_stats.avg.wait_on_page_bit.filemap_fdatawait_range.filemap_fdatawait.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.system_call_fastpath
0.00 ± -1% +Inf% 4717643 ±134% latency_stats.max.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.vfs_write.SyS_write.system_call_fastpath
91245 ±109% +4137.1% 3866124 ±152% latency_stats.max.wait_on_page_bit.filemap_fdatawait_range.filemap_fdatawait.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.system_call_fastpath
0.00 ± -1% +Inf% 4757271 ±133% latency_stats.sum.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.new_sync_write.vfs_write.SyS_write.system_call_fastpath
19114 ±158% -71.4% 5475 ± 67% latency_stats.sum.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.system_call_fastpath
109615 ± 98% +3435.2% 3875132 ±152% latency_stats.sum.wait_on_page_bit.filemap_fdatawait_range.filemap_fdatawait.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.system_call_fastpath
22954 ± 4% -10.8% 20484 ± 9% sched_debug.cfs_rq[0]:/.exec_clock
306157 ± 0% -13.1% 266065 ± 5% sched_debug.cfs_rq[0]:/.min_vruntime
20641 ± 11% -27.2% 15036 ± 20% sched_debug.cfs_rq[10]:/.avg->runnable_avg_sum
19987 ± 4% -11.2% 17751 ± 6% sched_debug.cfs_rq[10]:/.exec_clock
300899 ± 0% -12.5% 263419 ± 5% sched_debug.cfs_rq[10]:/.min_vruntime
452.50 ± 11% -27.6% 327.75 ± 20% sched_debug.cfs_rq[10]:/.tg_runnable_contrib
300940 ± 0% -11.9% 265047 ± 5% sched_debug.cfs_rq[11]:/.min_vruntime
-5222 ±-16% -80.4% -1022 ±-175% sched_debug.cfs_rq[11]:/.spread0
19789 ± 11% -21.2% 15590 ± 16% sched_debug.cfs_rq[12]:/.avg->runnable_avg_sum
20790 ± 3% -14.4% 17801 ± 6% sched_debug.cfs_rq[12]:/.exec_clock
302961 ± 0% -13.0% 263467 ± 5% sched_debug.cfs_rq[12]:/.min_vruntime
432.75 ± 11% -21.3% 340.75 ± 17% sched_debug.cfs_rq[12]:/.tg_runnable_contrib
20451 ± 5% -12.8% 17830 ± 6% sched_debug.cfs_rq[13]:/.exec_clock
302744 ± 1% -12.7% 264381 ± 5% sched_debug.cfs_rq[13]:/.min_vruntime
1.75 ± 47% +171.4% 4.75 ± 40% sched_debug.cfs_rq[13]:/.nr_spread_over
19559 ± 0% -11.0% 17407 ± 4% sched_debug.cfs_rq[14]:/.exec_clock
300081 ± 0% -12.3% 263170 ± 4% sched_debug.cfs_rq[14]:/.min_vruntime
-6082 ±-15% -52.3% -2900 ±-60% sched_debug.cfs_rq[14]:/.spread0
300413 ± 0% -11.7% 265326 ± 4% sched_debug.cfs_rq[15]:/.min_vruntime
-5751 ±-18% -87.0% -745.73 ±-366% sched_debug.cfs_rq[15]:/.spread0
303798 ± 0% -13.1% 264112 ± 4% sched_debug.cfs_rq[1]:/.min_vruntime
84.00 ±100% +229.5% 276.75 ± 63% sched_debug.cfs_rq[1]:/.utilization_load_avg
302656 ± 0% -12.1% 266065 ± 5% sched_debug.cfs_rq[2]:/.min_vruntime
-3502 ±-17% -100.0% -1.05 ±-196837% sched_debug.cfs_rq[2]:/.spread0
19933 ± 3% -13.5% 17238 ± 3% sched_debug.cfs_rq[3]:/.exec_clock
305206 ± 0% -12.8% 265991 ± 4% sched_debug.cfs_rq[3]:/.min_vruntime
20973 ± 6% -24.6% 15805 ± 18% sched_debug.cfs_rq[4]:/.avg->runnable_avg_sum
20068 ± 5% -11.5% 17767 ± 5% sched_debug.cfs_rq[4]:/.exec_clock
305752 ± 0% -12.9% 266399 ± 5% sched_debug.cfs_rq[4]:/.min_vruntime
461.50 ± 6% -25.0% 346.25 ± 18% sched_debug.cfs_rq[4]:/.tg_runnable_contrib
303317 ± 0% -12.6% 264993 ± 5% sched_debug.cfs_rq[5]:/.min_vruntime
-2842 ±-35% -62.2% -1073 ±-105% sched_debug.cfs_rq[5]:/.spread0
20814 ± 9% -21.2% 16410 ± 26% sched_debug.cfs_rq[6]:/.avg->runnable_avg_sum
19473 ± 0% -10.9% 17351 ± 4% sched_debug.cfs_rq[6]:/.exec_clock
304159 ± 0% -12.7% 265678 ± 5% sched_debug.cfs_rq[6]:/.min_vruntime
455.75 ± 9% -21.0% 360.00 ± 26% sched_debug.cfs_rq[6]:/.tg_runnable_contrib
304471 ± 0% -11.9% 268359 ± 4% sched_debug.cfs_rq[7]:/.min_vruntime
298485 ± 0% -13.3% 258901 ± 3% sched_debug.cfs_rq[8]:/.min_vruntime
18.00 ± 29% +356.9% 82.25 ± 51% sched_debug.cfs_rq[8]:/.runnable_load_avg
231.00 ± 30% +116.6% 500.25 ± 20% sched_debug.cfs_rq[8]:/.utilization_load_avg
19913 ± 3% -13.2% 17285 ± 4% sched_debug.cfs_rq[9]:/.exec_clock
14.00 ± 35% +250.0% 49.00 ± 39% sched_debug.cfs_rq[9]:/.load
300167 ± 0% -13.1% 260832 ± 4% sched_debug.cfs_rq[9]:/.min_vruntime
-1710 ± -2% -23.6% -1306 ±-13% sched_debug.cpu#0.nr_uninterruptible
158575 ± 6% -11.5% 140360 ± 1% sched_debug.cpu#1.ttwu_count
553112 ± 72% -45.1% 303486 ± 5% sched_debug.cpu#10.nr_switches
554861 ± 72% -45.1% 304840 ± 5% sched_debug.cpu#10.sched_count
27.00 ± 10% -20.4% 21.50 ± 13% sched_debug.cpu#12.cpu_load[4]
186234 ± 90% -58.3% 77602 ± 7% sched_debug.cpu#12.ttwu_local
20.50 ± 21% +48.8% 30.50 ± 18% sched_debug.cpu#14.cpu_load[1]
21.50 ± 21% +58.1% 34.00 ± 19% sched_debug.cpu#14.cpu_load[2]
22.75 ± 14% +44.0% 32.75 ± 17% sched_debug.cpu#14.cpu_load[3]
109416 ± 5% -13.7% 94393 ± 4% sched_debug.cpu#14.sched_goidle
130439 ± 2% -12.4% 114236 ± 4% sched_debug.cpu#14.ttwu_count
30.50 ±101% +301.6% 122.50 ± 25% sched_debug.cpu#2.cpu_load[0]
27.25 ± 47% +209.2% 84.25 ± 34% sched_debug.cpu#2.cpu_load[1]
37.50 ± 27% -32.7% 25.25 ± 21% sched_debug.cpu#4.cpu_load[4]
17.25 ± 43% +362.3% 79.75 ± 56% sched_debug.cpu#4.load
57816 ± 15% -15.3% 48950 ± 2% sched_debug.cpu#4.nr_load_updates
1220774 ±121% -73.1% 328817 ± 6% sched_debug.cpu#4.nr_switches
1222807 ±121% -73.0% 330486 ± 6% sched_debug.cpu#4.sched_count
542794 ±133% -78.8% 115250 ± 5% sched_debug.cpu#4.sched_goidle
588622 ±125% -76.2% 140136 ± 7% sched_debug.cpu#4.ttwu_count
522443 ±142% -84.6% 80605 ± 6% sched_debug.cpu#4.ttwu_local
345322 ± 1% -7.4% 319747 ± 4% sched_debug.cpu#7.nr_switches
347310 ± 1% -7.5% 321411 ± 4% sched_debug.cpu#7.sched_count
120552 ± 2% -9.4% 109240 ± 4% sched_debug.cpu#7.sched_goidle
14.00 ± 35% +233.9% 46.75 ± 36% sched_debug.cpu#9.load
136971 ± 10% -15.1% 116346 ± 1% sched_debug.cpu#9.ttwu_count
0.14 ± 57% +411.4% 0.72 ± 73% sched_debug.rt_rq[1]:/.rt_time
=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test:
lituya/unixbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/powersave/execl
commit:
dfbca41f347997e57048a53755611c8e2d792924
d4573c3e1c992668f5dcd57d1c2ced56ae9650b9
dfbca41f347997e5 d4573c3e1c992668f5dcd57d1c
---------------- --------------------------
%stddev %change %stddev
\ | \
10563 ± 1% -5.8% 9952 ± 0% unixbench.score
4414071 ± 1% -5.2% 4184851 ± 0% unixbench.time.involuntary_context_switches
2.028e+08 ± 1% -5.5% 1.917e+08 ± 0% unixbench.time.minor_page_faults
540.75 ± 1% -7.2% 502.00 ± 0% unixbench.time.percent_of_cpu_this_job_got
882.57 ± 1% -7.4% 816.95 ± 0% unixbench.time.system_time
188.00 ± 1% -7.0% 174.82 ± 0% unixbench.time.user_time
2858074 ± 3% -8.8% 2605521 ± 0% unixbench.time.voluntary_context_switches
511610 ± 1% -25.5% 381032 ± 0% softirqs.SCHED
2858074 ± 3% -8.8% 2605521 ± 0% time.voluntary_context_switches
118783 ± 0% -4.6% 113276 ± 0% vmstat.system.cs
25883 ± 0% -4.3% 24765 ± 0% vmstat.system.in
683238 ± 2% -9.4% 619110 ± 0% latency_stats.hits.call_rwsem_down_write_failed.vma_adjust.__split_vma.split_vma.mprotect_fixup.SyS_mprotect.system_call_fastpath
96234 ± 5% -11.9% 84756 ± 1% latency_stats.hits.wait_on_page_bit_killable.__lock_page_or_retry.filemap_fault.__do_fault.handle_pte_fault.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
191410 ± 5% -13.4% 165713 ± 1% latency_stats.hits.wait_on_page_bit_killable.__lock_page_or_retry.filemap_fault.__do_fault.handle_pte_fault.handle_mm_fault.__do_page_fault.do_page_fault.page_fault.clear_user.padzero.load_elf_binary
36.16 ± 1% -6.9% 33.68 ± 0% turbostat.%Busy
1148 ± 1% -7.1% 1066 ± 0% turbostat.Avg_MHz
50.93 ± 0% -1.4% 50.21 ± 0% turbostat.PkgWatt
1928029 ± 0% -20.0% 1543361 ± 0% cpuidle.C1E-HSW.usage
55003420 ± 8% +78.9% 98419263 ± 1% cpuidle.C3-HSW.time
799437 ± 7% +33.2% 1064466 ± 1% cpuidle.C3-HSW.usage
873657 ± 3% +11.9% 977668 ± 1% cpuidle.C6-HSW.usage
19945 ± 2% -7.9% 18369 ± 0% sched_debug.cfs_rq[13]:/.exec_clock
21825 ± 10% -18.4% 17818 ± 1% sched_debug.cfs_rq[14]:/.avg->runnable_avg_sum
478.50 ± 10% -18.6% 389.50 ± 1% sched_debug.cfs_rq[14]:/.tg_runnable_contrib
942.75 ± 31% -70.3% 280.00 ± 62% sched_debug.cfs_rq[15]:/.blocked_load_avg
958.25 ± 31% -68.3% 303.75 ± 62% sched_debug.cfs_rq[15]:/.tg_load_contrib
20260 ± 7% -9.5% 18339 ± 1% sched_debug.cfs_rq[2]:/.exec_clock
240.25 ± 43% +185.7% 686.50 ± 49% sched_debug.cfs_rq[2]:/.utilization_load_avg
18628 ± 2% -9.2% 16914 ± 5% sched_debug.cfs_rq[4]:/.avg->runnable_avg_sum
405.75 ± 1% -8.7% 370.50 ± 5% sched_debug.cfs_rq[4]:/.tg_runnable_contrib
19914 ± 4% -12.0% 17521 ± 2% sched_debug.cfs_rq[5]:/.exec_clock
-2928 ±-101% -146.4% 1357 ± 75% sched_debug.cfs_rq[6]:/.spread0
20113 ± 2% -8.2% 18458 ± 3% sched_debug.cfs_rq[7]:/.exec_clock
-2088 ±-11% -19.0% -1691 ± -3% sched_debug.cpu#0.nr_uninterruptible
14.25 ± 90% +452.6% 78.75 ± 66% sched_debug.cpu#1.cpu_load[0]
1057371 ±117% -70.1% 316240 ± 2% sched_debug.cpu#1.nr_switches
1059402 ±116% -70.0% 317990 ± 2% sched_debug.cpu#1.sched_count
472923 ±128% -76.4% 111412 ± 3% sched_debug.cpu#1.sched_goidle
507097 ±122% -72.5% 139349 ± 3% sched_debug.cpu#1.ttwu_count
27.50 ± 12% +53.6% 42.25 ± 23% sched_debug.cpu#11.cpu_load[3]
28.00 ± 11% +29.5% 36.25 ± 12% sched_debug.cpu#11.cpu_load[4]
603068 ± 3% -23.4% 462150 ± 20% sched_debug.cpu#13.avg_idle
436039 ± 23% +29.1% 563133 ± 2% sched_debug.cpu#14.avg_idle
402209 ±116% -81.9% 72660 ± 3% sched_debug.cpu#14.ttwu_local
-2215 ±-11% +13.7% -2519 ± -3% sched_debug.cpu#2.nr_uninterruptible
41.25 ± 26% -35.2% 26.75 ± 10% sched_debug.cpu#3.cpu_load[2]
34.00 ±117% +242.6% 116.50 ± 79% sched_debug.cpu#4.load
-2266 ±-13% +16.9% -2648 ± -2% sched_debug.cpu#4.nr_uninterruptible
884.50 ± 33% +44.8% 1280 ± 14% sched_debug.cpu#5.curr->pid
-2219 ± -7% +11.4% -2472 ± -3% sched_debug.cpu#5.nr_uninterruptible
55415 ± 20% -19.8% 44460 ± 0% sched_debug.cpu#6.nr_load_updates
-2350 ± -8% +14.2% -2684 ± -2% sched_debug.cpu#6.nr_uninterruptible
847343 ± 91% -84.0% 135604 ± 2% sched_debug.cpu#6.ttwu_count
784793 ± 99% -90.3% 75880 ± 3% sched_debug.cpu#6.ttwu_local
39.00 ± 14% -30.1% 27.25 ± 23% sched_debug.cpu#7.cpu_load[3]
35.00 ± 11% -22.1% 27.25 ± 12% sched_debug.cpu#7.cpu_load[4]
128907 ± 8% -10.8% 114951 ± 2% sched_debug.cpu#8.ttwu_count
624669 ± 88% -56.2% 273343 ± 0% sched_debug.cpu#9.nr_switches
626375 ± 88% -56.1% 274746 ± 0% sched_debug.cpu#9.sched_count
262109 ±102% -64.9% 92004 ± 1% sched_debug.cpu#9.sched_goidle
2.11 ± 4% +18.9% 2.50 ± 5% sched_debug.rt_rq[0]:/.rt_time
=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test:
lituya/unixbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/powersave/shell1
commit:
dfbca41f347997e57048a53755611c8e2d792924
d4573c3e1c992668f5dcd57d1c2ced56ae9650b9
dfbca41f347997e5 d4573c3e1c992668f5dcd57d1c
---------------- --------------------------
%stddev %change %stddev
\ | \
5132876 ± 0% +2.0% 5236374 ± 0% unixbench.time.involuntary_context_switches
1571 ± 0% +1.2% 1591 ± 0% unixbench.time.system_time
795.19 ± 0% +1.3% 805.33 ± 0% unixbench.time.user_time
932469 ± 0% -12.7% 813874 ± 0% softirqs.SCHED
18660 ± 0% +1.7% 18975 ± 0% vmstat.system.in
15466776 ± 1% -5.1% 14675901 ± 0% latency_stats.sum.call_rwsem_down_write_failed.unlink_file_vma.free_pgtables.exit_mmap.mmput.flush_old_exec.load_elf_binary.search_binary_handler.do_execveat_common.SyS_execve.stub_execve
5322533 ± 1% -8.5% 4868555 ± 1% latency_stats.sum.call_rwsem_down_write_failed.vma_adjust.__split_vma.do_munmap.mmap_region.do_mmap_pgoff.vm_mmap_pgoff.SyS_mmap_pgoff.SyS_mmap.system_call_fastpath
21589512 ± 1% -7.4% 19993473 ± 1% latency_stats.sum.call_rwsem_down_write_failed.vma_adjust.__split_vma.split_vma.mprotect_fixup.SyS_mprotect.system_call_fastpath
9791019 ± 1% -8.2% 8988996 ± 1% latency_stats.sum.call_rwsem_down_write_failed.vma_link.mmap_region.do_mmap_pgoff.vm_mmap_pgoff.SyS_mmap_pgoff.SyS_mmap.system_call_fastpath
4.135e+08 ± 0% -3.0% 4.012e+08 ± 0% latency_stats.sum.sigsuspend.SyS_rt_sigsuspend.system_call_fastpath
24904 ± 4% -25.2% 18617 ± 11% sched_debug.cfs_rq[0]:/.blocked_load_avg
8.75 ± 58% +508.6% 53.25 ±106% sched_debug.cfs_rq[0]:/.load
391160 ± 1% -11.4% 346400 ± 1% sched_debug.cfs_rq[0]:/.tg_load_avg
25100 ± 4% -25.2% 18770 ± 11% sched_debug.cfs_rq[0]:/.tg_load_contrib
390600 ± 1% -11.1% 347123 ± 2% sched_debug.cfs_rq[10]:/.tg_load_avg
391242 ± 1% -11.7% 345453 ± 1% sched_debug.cfs_rq[11]:/.tg_load_avg
390931 ± 1% -11.5% 345958 ± 1% sched_debug.cfs_rq[12]:/.tg_load_avg
23834 ± 5% -17.3% 19701 ± 11% sched_debug.cfs_rq[13]:/.blocked_load_avg
390601 ± 1% -11.7% 345060 ± 2% sched_debug.cfs_rq[13]:/.tg_load_avg
24080 ± 5% -17.7% 19823 ± 11% sched_debug.cfs_rq[13]:/.tg_load_contrib
390376 ± 1% -11.5% 345360 ± 2% sched_debug.cfs_rq[14]:/.tg_load_avg
23210 ± 5% -12.3% 20347 ± 4% sched_debug.cfs_rq[15]:/.blocked_load_avg
390137 ± 0% -11.4% 345480 ± 2% sched_debug.cfs_rq[15]:/.tg_load_avg
23345 ± 5% -12.4% 20458 ± 4% sched_debug.cfs_rq[15]:/.tg_load_contrib
390654 ± 1% -11.4% 345993 ± 2% sched_debug.cfs_rq[1]:/.tg_load_avg
24857 ± 5% -16.0% 20876 ± 19% sched_debug.cfs_rq[1]:/.tg_load_contrib
391340 ± 1% -11.6% 346023 ± 2% sched_debug.cfs_rq[2]:/.tg_load_avg
26275 ± 5% -15.6% 22180 ± 19% sched_debug.cfs_rq[3]:/.blocked_load_avg
391666 ± 1% -11.7% 345867 ± 2% sched_debug.cfs_rq[3]:/.tg_load_avg
26369 ± 5% -15.5% 22271 ± 19% sched_debug.cfs_rq[3]:/.tg_load_contrib
391430 ± 1% -11.5% 346427 ± 2% sched_debug.cfs_rq[4]:/.tg_load_avg
391321 ± 1% -11.5% 346235 ± 2% sched_debug.cfs_rq[5]:/.tg_load_avg
25744 ± 3% -17.8% 21156 ± 14% sched_debug.cfs_rq[6]:/.blocked_load_avg
1.00 ± 70% +225.0% 3.25 ± 25% sched_debug.cfs_rq[6]:/.nr_spread_over
389932 ± 1% -11.1% 346764 ± 2% sched_debug.cfs_rq[6]:/.tg_load_avg
25873 ± 3% -17.6% 21329 ± 14% sched_debug.cfs_rq[6]:/.tg_load_contrib
389907 ± 1% -11.0% 346962 ± 2% sched_debug.cfs_rq[7]:/.tg_load_avg
23576 ± 4% -20.0% 18853 ± 10% sched_debug.cfs_rq[8]:/.blocked_load_avg
390564 ± 1% -11.1% 347109 ± 2% sched_debug.cfs_rq[8]:/.tg_load_avg
23775 ± 3% -20.3% 18937 ± 10% sched_debug.cfs_rq[8]:/.tg_load_contrib
391152 ± 1% -11.2% 347502 ± 2% sched_debug.cfs_rq[9]:/.tg_load_avg
450623 ± 16% +28.9% 580722 ± 4% sched_debug.cpu#0.avg_idle
29.75 ± 66% -74.8% 7.50 ± 56% sched_debug.cpu#12.load
540.50 ± 6% -15.5% 456.75 ± 3% sched_debug.cpu#14.nr_uninterruptible
88.25 ± 72% -83.9% 14.25 ± 27% sched_debug.cpu#2.cpu_load[0]
61.00 ± 50% -69.3% 18.75 ± 24% sched_debug.cpu#2.cpu_load[1]
46.00 ± 26% -37.5% 28.75 ± 18% sched_debug.cpu#3.cpu_load[2]
30.00 ± 21% +43.3% 43.00 ± 31% sched_debug.cpu#6.cpu_load[2]
21361 ± 16% +72.5% 36844 ± 39% sched_debug.cpu#8.curr->pid
nhm-white: Nehalem
Memory: 6G
lituya: Grantley Haswell
Memory: 16G
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
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.
Thanks,
Ying Huang
View attachment "job.yaml" of type "text/plain" (2970 bytes)
View attachment "reproduce" of type "text/plain" (1187 bytes)
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