Messages in this thread | | | Date | Mon, 27 Oct 2014 10:14:25 +0800 | From | kernel test robot <> | Subject | [LKP] [sched] 8236d907ab3: 2% vm-scalability.throughput |
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FYI, we noticed the below changes on
commit 8236d907ab3411ad452280faa8b26c1347327380 ("sched: Reduce contention in update_cfs_rq_blocked_load()")
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 testbox/testcase/testparams ---------------- -------------------------- --------------------------- %stddev %change %stddev \ | \ 8957484 ± 0% +1.9% 9123335 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 8977343 ± 0% +2.0% 9152823 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 8967408 +1.9% 9138067 GEO-MEAN vm-scalability.throughput
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 4.05 ± 5% -99.0% 0.04 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 3.95 ± 4% -98.9% 0.04 ± 9% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 4.00 -99.0% 0.04 GEO-MEAN perf-profile.cpu-cycles.task_tick_fair.scheduler_tick.update_process_times.tick_sched_handle.tick_sched_timer
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 3.88 ± 4% -99.5% 0.02 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 3.83 ± 2% -99.5% 0.02 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 3.85 -99.5% 0.02 GEO-MEAN perf-profile.cpu-cycles.update_cfs_rq_blocked_load.task_tick_fair.scheduler_tick.update_process_times.tick_sched_handle
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 61 ± 43% -70.8% 18 ± 24% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 61 -70.8% 17 GEO-MEAN sched_debug.cfs_rq[50]:/.tg_load_contrib
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 7257 ± 37% +106.2% 14962 ± 49% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 7257 +106.2% 14962 GEO-MEAN sched_debug.cpu#1.sched_count
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 0.06 ± 15% +96.8% 0.12 ± 18% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 0.06 +96.8% 0.12 GEO-MEAN turbostat.%c1
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 415 ± 14% -24.7% 313 ± 33% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 415 -24.7% 312 GEO-MEAN slabinfo.blkdev_queue.num_objs
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 2080 ± 21% +78.4% 3711 ± 44% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 2080 +78.4% 3711 GEO-MEAN sched_debug.cpu#33.ttwu_count
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 58 ± 39% +93.1% 112 ± 34% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 58 +93.1% 112 GEO-MEAN sched_debug.cfs_rq[11]:/.tg_load_contrib
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 5708 ± 13% -14.8% 4862 ± 19% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 5708 -14.8% 4862 GEO-MEAN meminfo.AnonHugePages
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 487 ± 9% +42.3% 693 ± 14% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 487 +42.3% 693 GEO-MEAN sched_debug.cpu#20.sched_goidle
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 15 ± 10% +37.3% 20 ± 12% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 15 +37.3% 20 GEO-MEAN sched_debug.cpu#26.load
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 18 ± 7% -19.4% 15 ± 5% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 18 -19.4% 15 GEO-MEAN sched_debug.cpu#49.cpu_load[3]
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 231 ± 14% -25.0% 173 ± 20% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 231 -25.0% 173 GEO-MEAN sched_debug.cpu#58.sched_goidle
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 1441314 ± 3% +26.9% 1829712 ± 2% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 1414086 ± 8% +23.6% 1747307 ± 8% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 1427635 +25.2% 1788034 GEO-MEAN softirqs.RCU
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 17 ± 6% -16.9% 14 ± 5% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 17 -16.9% 14 GEO-MEAN sched_debug.cpu#49.cpu_load[4]
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 19 ± 9% -16.8% 15 ± 7% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 18 -16.8% 15 GEO-MEAN sched_debug.cpu#49.cpu_load[2]
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 1196 ± 8% +17.3% 1403 ± 5% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 1196 +17.3% 1403 GEO-MEAN sched_debug.cpu#49.sched_goidle
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 98963 ± 0% +52.9% 151281 ± 38% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 98963 +52.9% 151281 GEO-MEAN numa-meminfo.node3.FilePages
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 24740 ± 0% +52.9% 37819 ± 38% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 24740 +52.9% 37819 GEO-MEAN numa-vmstat.node3.nr_file_pages
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 38000 ± 1% +15.9% 44042 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 38312 ± 2% +13.9% 43643 ± 1% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 38156 +14.9% 43842 GEO-MEAN proc-vmstat.pgactivate
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 3.29 ± 6% +15.3% 3.80 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 3.33 ± 2% +14.0% 3.79 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 3.31 +14.7% 3.79 GEO-MEAN perf-profile.cpu-cycles.__drand48_iterate
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 3.34 ± 6% +14.9% 3.83 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 3.37 ± 2% +13.8% 3.84 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 3.35 +14.3% 3.83 GEO-MEAN perf-profile.cpu-cycles.__nrand48_r
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 81.57 ± 0% +10.8% 90.40 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 81.61 ± 0% +10.8% 90.40 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 81.59 +10.8% 90.40 GEO-MEAN perf-profile.cpu-cycles.do_unit
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 39878 ± 0% -9.5% 36107 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 39774 ± 0% -9.3% 36061 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 39826 -9.4% 36084 GEO-MEAN proc-vmstat.nr_shmem
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 159494 ± 0% -9.5% 144409 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 159156 ± 0% -9.3% 144313 ± 0% lkp-nex06/vm-scalability/performance-300s-anon-r-rand 159325 -9.4% 144361 GEO-MEAN meminfo.Shmem
5cd038f53ed9ec7a 8236d907ab3411ad452280faa8 ---------------- -------------------------- 144353 ± 2% -3.7% 138984 ± 2% lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt 144353 -3.7% 138984 GEO-MEAN time.involuntary_context_switches
lkp-nex06: Nehalem-EX Memory: 64G
vm-scalability.throughput
9.15e+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 O 9.1e+06 ++ | | | | | 9.05e+06 ++ | | | 9e+06 ++ *.. | | : .*.*..*. .*.*.. | | .* .*.. : *.*. *. .* *. .* | 8.95e+06 *+ + .* * *.*. : + *. | | *. : + | | * | 8.9e+06 ++---------------------------------------------------------------+
perf-profile.cpu-cycles.do_unit
91 ++---------------------------------------------------------------------+ 90 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 O | | 89 ++ | 88 ++ | | | 87 ++ | 86 ++ | 85 ++ | | | 84 ++ | 83 ++ .*.. .*.. | | .* *. *.*..*..*..*. | 82 *+.*.*.. .*. *.. .*. .*.. .*.* | 81 ++------*--------------------------------*----*-----*------------------+
4.5 ++--------------------------------------------------------------------+ | *.. .*..*..*.*..*.. | 4 *+. + *..*. * *.. | 3.5 ++ * *.. *..*. .. * | | .. *..*..*.*..* | 3 ++ * | 2.5 ++ | | | 2 ++ | 1.5 ++ | | | 1 ++ | 0.5 ++ | | | 0 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--O
4.5 ++--------------------------------------------------------------------+ | .*. .*.. *.. .*.. | 4 *+ *. .*.. + *..* *..*.. | 3.5 ++ *.*.. .*.. *..*..*.*. * * | | *. + | 3 ++ * | 2.5 ++ | | | 2 ++ | 1.5 ++ | | | 1 ++ | 0.5 ++ | | | 0 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--O
[*] bisect-good sample [O] bisect-bad sample
To reproduce:
apt-get install ruby ruby-oj git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local 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, Fengguang --- testcase: vm-scalability default_monitors: wait: pre-test uptime: iostat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: energy: cpuidle: cpufreq: turbostat: sched_debug: interval: 10 pmeter: default_watchdogs: watch-oom: watchdog: cpufreq_governor: - performance commit: f114040e3ea6e07372334ade75d1ee0775c355e1 model: Nehalem-EX memory: 64G nr_cpu: 64 nr_hdd_partitions: 0 hdd_partitions: swap_partitions: rootfs_partition: rootfs: clearlinux-x86_64.cgz perf-profile: runtime: 300s size: vm-scalability: test: - anon-r-rand-mt enqueue_time: 2014-10-20 19:47:26.224657155 +08:00 testbox: lkp-nex06 tbox_group: lkp-nex06 kconfig: x86_64-rhel head_commit: 013f60452114297bfd33978560ffa4af7e86d4a8 base_commit: f114040e3ea6e07372334ade75d1ee0775c355e1 branch: linux-devel/devel-hourly-2014102021 kernel: "/kernel/x86_64-rhel/f114040e3ea6e07372334ade75d1ee0775c355e1/vmlinuz-3.18.0-rc1-gf114040" user: lkp queue: cyclic result_root: "/result/lkp-nex06/vm-scalability/performance-300s-anon-r-rand-mt/clearlinux-x86_64.cgz/x86_64-rhel/f114040e3ea6e07372334ade75d1ee0775c355e1/0" job_file: "/lkp/scheduled/lkp-nex06/cyclic_vm-scalability-performance-300s-anon-r-rand-mt-clearlinux-x86_64.cgz-x86_64-rhel-BASE-f114040e3ea6e07372334ade75d1ee0775c355e1-0.yaml" dequeue_time: 2014-10-20 21:31:13.916638103 +08:00 job_state: finished loadavg: 54.12 39.81 17.83 1/527 10830 start_time: '1413811953' end_time: '1413812255' version: "/lkp/lkp/.src-20141020-213002" echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu10/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu48/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu49/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu50/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu51/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu52/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu53/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu54/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu55/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu56/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu57/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu58/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu59/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu60/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu61/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu62/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu63/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor mount -t tmpfs -o size=100% vm-scalability-tmp /tmp/vm-scalability-tmp truncate -s 33607528448 /tmp/vm-scalability.img mkfs.xfs -q /tmp/vm-scalability.img mount -o loop /tmp/vm-scalability.img /tmp/vm-scalability ./case-anon-r-rand-mt ./usemem --runtime 300 -t 64 --readonly --random 68719476736 umount /tmp/vm-scalability-tmp umount /tmp/vm-scalability rm /tmp/vm-scalability.img _______________________________________________ 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