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Date: Mon, 28 Mar 2016 14:17:06 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc: LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [mm] 56a17b8836: No primary change,
will-it-scale.time.percent_of_cpu_this_job_got +41.4% change
FYI, we noticed that will-it-scale.time.percent_of_cpu_this_job_got +41.4% change
with your commit.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 56a17b8836398ffab52c00dda8442f1680dc251b ("mm: temporarily mark THP broken")
=========================================================================================
compiler/cpufreq_governor/kconfig/rootfs/tbox_group/test/testcase:
gcc-4.9/performance/x86_64-rhel/debian-x86_64-2015-02-07.cgz/lkp-sbx04/malloc1/will-it-scale
commit:
122afea9626ab3f717b250a8dd3d5ebf57cdb56c
56a17b8836398ffab52c00dda8442f1680dc251b
122afea9626ab3f7 56a17b8836398ffab52c00dda8
---------------- --------------------------
%stddev %change %stddev
\ | \
78370 ± 0% +1.6% 79638 ± 0% will-it-scale.per_process_ops
39117 ± 0% +7.3% 41971 ± 0% will-it-scale.per_thread_ops
36425 ± 6% -74.4% 9327 ± 0% will-it-scale.time.maximum_resident_set_size
7633416 ± 0% +60.8% 12272010 ± 0% will-it-scale.time.minor_page_faults
67.00 ± 1% +41.4% 94.75 ± 0% will-it-scale.time.percent_of_cpu_this_job_got
200.68 ± 0% +38.5% 278.00 ± 0% will-it-scale.time.system_time
7.88 ± 2% +98.5% 15.65 ± 1% will-it-scale.time.user_time
3902893 ± 5% +302.9% 15723910 ± 0% will-it-scale.time.voluntary_context_switches
150273 ± 4% +34.7% 202476 ± 8% softirqs.RCU
27428 ± 4% +277.4% 103508 ± 0% vmstat.system.cs
20080 ± 3% +93.3% 38820 ± 1% vmstat.system.in
48628 ± 2% -15.6% 41041 ± 0% meminfo.Active(anon)
7893 ± 15% -100.0% 0.00 ± -1% meminfo.AnonHugePages
36334 ± 3% -21.2% 28619 ± 0% meminfo.AnonPages
33788 ± 0% +17.9% 39840 ± 0% numa-vmstat.node0.numa_interleave
3801 ± 31% -46.6% 2028 ± 36% numa-vmstat.node1.nr_active_anon
326.25 ± 3% -15.9% 274.50 ± 2% numa-vmstat.node1.nr_alloc_batch
3693 ± 10% -49.3% 1870 ± 28% numa-vmstat.node2.nr_anon_pages
0.94 ± 5% +11.7% 1.05 ± 3% perf-profile.cycles.___might_sleep.kmem_cache_alloc.mmap_region.do_mmap.vm_mmap_pgoff
1.18 ± 2% -11.3% 1.04 ± 1% perf-profile.cycles.___might_sleep.unmap_page_range.unmap_single_vma.unmap_vmas.unmap_region
1.03 ± 1% -7.5% 0.95 ± 4% perf-profile.cycles.__alloc_pages_nodemask.alloc_pages_current.pte_alloc_one.__pte_alloc.handle_mm_fault
1.14 ± 1% -7.7% 1.05 ± 3% perf-profile.cycles.alloc_pages_current.pte_alloc_one.__pte_alloc.handle_mm_fault.__do_page_fault
1647719 ± 3% +271.3% 6117589 ± 0% latency_stats.hits.call_rwsem_down_read_failed.__do_page_fault.do_page_fault.page_fault
1356059 ± 5% +315.7% 5636837 ± 0% latency_stats.hits.call_rwsem_down_write_failed.vm_munmap.SyS_munmap.entry_SYSCALL_64_fastpath
8333 ± 21% -75.6% 2032 ± 8% latency_stats.sum.call_rwsem_down_read_failed.do_exit.do_group_exit.SyS_exit_group.entry_SYSCALL_64_fastpath
93349 ± 11% -71.7% 26423 ± 7% latency_stats.sum.call_rwsem_down_read_failed.do_exit.do_group_exit.get_signal.do_signal.exit_to_usermode_loop.prepare_exit_to_usermode.retint_user
92440 ± 30% -69.1% 28576 ± 17% latency_stats.sum.call_rwsem_down_read_failed.do_exit.do_group_exit.get_signal.do_signal.exit_to_usermode_loop.syscall_return_slowpath.int_ret_from_sys_call
152444 ± 4% -67.8% 49052 ± 3% latency_stats.sum.call_rwsem_down_write_failed.SyS_mprotect.entry_SYSCALL_64_fastpath
36425 ± 6% -74.4% 9327 ± 0% time.maximum_resident_set_size
7633416 ± 0% +60.8% 12272010 ± 0% time.minor_page_faults
67.00 ± 1% +41.4% 94.75 ± 0% time.percent_of_cpu_this_job_got
200.68 ± 0% +38.5% 278.00 ± 0% time.system_time
7.88 ± 2% +98.5% 15.65 ± 1% time.user_time
3902893 ± 5% +302.9% 15723910 ± 0% time.voluntary_context_switches
983.75 ± 31% -100.0% 0.00 ± -1% numa-meminfo.node0.AnonHugePages
39941 ± 10% -18.2% 32681 ± 9% numa-meminfo.node1.Active
15187 ± 31% -46.5% 8119 ± 36% numa-meminfo.node1.Active(anon)
676.00 ± 66% -100.0% 0.00 ± -1% numa-meminfo.node1.AnonHugePages
5403 ± 20% -100.0% 0.00 ± -1% numa-meminfo.node2.AnonHugePages
14772 ± 10% -49.3% 7486 ± 28% numa-meminfo.node2.AnonPages
880.75 ± 48% -100.0% 0.00 ± -1% numa-meminfo.node3.AnonHugePages
12167 ± 2% -15.7% 10260 ± 0% proc-vmstat.nr_active_anon
1193 ± 0% -11.6% 1054 ± 1% proc-vmstat.nr_alloc_batch
9094 ± 3% -21.3% 7155 ± 0% proc-vmstat.nr_anon_pages
49373529 ± 1% -29.1% 35001216 ± 0% proc-vmstat.pgalloc_dma32
2.245e+08 ± 0% -15.2% 1.905e+08 ± 0% proc-vmstat.pgalloc_normal
2.739e+08 ± 0% -17.7% 2.255e+08 ± 0% proc-vmstat.pgfree
113422 ± 3% -100.0% 0.00 ± -1% proc-vmstat.thp_fault_alloc
113402 ± 3% -100.0% 0.00 ± -1% proc-vmstat.thp_split_page
22.63 ± 0% +3.0% 23.32 ± 0% turbostat.%Busy
652.50 ± 0% +2.4% 668.00 ± 0% turbostat.Avg_MHz
27.60 ± 7% +50.1% 41.43 ± 0% turbostat.CPU%c1
0.75 ± 21% -97.7% 0.02 ± 47% turbostat.CPU%c3
49.02 ± 3% -28.1% 35.23 ± 0% turbostat.CPU%c7
121.98 ± 0% +6.2% 129.50 ± 0% turbostat.CorWatt
37.39 ± 2% -19.0% 30.27 ± 1% turbostat.Pkg%pc2
176.87 ± 0% +4.2% 184.25 ± 0% turbostat.PkgWatt
70837840 ± 23% +157.4% 1.823e+08 ± 6% cpuidle.C1-SNB.time
352446 ±111% +1438.3% 5421651 ± 3% cpuidle.C1-SNB.usage
68045347 ± 7% +114.8% 1.462e+08 ± 1% cpuidle.C1E-SNB.time
152018 ± 29% +932.9% 1570128 ± 9% cpuidle.C1E-SNB.usage
36961996 ± 23% +550.6% 2.405e+08 ± 5% cpuidle.C3-SNB.time
87756 ± 24% +762.1% 756587 ± 4% cpuidle.C3-SNB.usage
3624705 ± 3% +168.4% 9729062 ± 0% cpuidle.C7-SNB.usage
34086233 ± 14% +30.4% 44449058 ± 13% cpuidle.POLL.time
71342 ± 5% +92.0% 136968 ± 3% cpuidle.POLL.usage
55973 ± 3% +11.6% 62441 ± 2% sched_debug.cpu.nr_load_updates.avg
23002 ± 3% +14.0% 26212 ± 1% sched_debug.cpu.nr_load_updates.stddev
56335 ± 8% +286.9% 217982 ± 0% sched_debug.cpu.nr_switches.avg
224611 ± 21% +358.7% 1030323 ± 3% sched_debug.cpu.nr_switches.max
6852 ± 4% +124.6% 15390 ± 26% sched_debug.cpu.nr_switches.min
57323 ± 21% +405.8% 289971 ± 2% sched_debug.cpu.nr_switches.stddev
155999 ± 2% +104.1% 318341 ± 0% sched_debug.cpu.sched_count.avg
7095 ± 5% +120.1% 15617 ± 27% sched_debug.cpu.sched_count.min
27854 ± 8% +290.2% 108690 ± 0% sched_debug.cpu.sched_goidle.avg
111721 ± 21% +360.8% 514811 ± 3% sched_debug.cpu.sched_goidle.max
3125 ± 6% +140.9% 7528 ± 27% sched_debug.cpu.sched_goidle.min
28656 ± 21% +406.0% 145007 ± 2% sched_debug.cpu.sched_goidle.stddev
28531 ± 8% +289.8% 111208 ± 0% sched_debug.cpu.ttwu_count.avg
113428 ± 20% +362.5% 524580 ± 3% sched_debug.cpu.ttwu_count.max
2957 ± 17% +152.7% 7472 ± 22% sched_debug.cpu.ttwu_count.min
29259 ± 20% +403.8% 147410 ± 2% sched_debug.cpu.ttwu_count.stddev
lkp-sbx04: Sandy Bridge-EX
Memory: 64G
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,
Xiaolong Ye
View attachment "job.yaml" of type "text/plain" (3487 bytes)
View attachment "reproduce" of type "text/plain" (6075 bytes)
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