Messages in this thread | | | Date | Thu, 7 Apr 2016 09:06:57 +0800 | From | kernel test robot <> | Subject | [lkp] [mm] 6f25a14a70: will-it-scale.scalability -4.0% regression |
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FYI, we noticed that will-it-scale.scalability -4.0% regression on
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 6f25a14a7053b69917e2ebea0d31dd444cd31fd5 ("mm: fix invalid node in alloc_migrate_target()")
========================================================================================= compiler/cpufreq_governor/kconfig/rootfs/tbox_group/test/testcase: gcc-4.9/performance/x86_64-rhel/debian-x86_64-2015-02-07.cgz/lkp-ivb-d03/pthread_mutex1/will-it-scale
commit: 969e8d7e47f93ef693028667480558de8f70523f 6f25a14a7053b69917e2ebea0d31dd444cd31fd5
969e8d7e47f93ef6 6f25a14a7053b69917e2ebea0d ---------------- -------------------------- fail:runs %reproduction fail:runs %stddev %change %stddev \ | \ 2.032e+08 ± 0% -1.6% 2e+08 ± 0% will-it-scale.per_process_ops 0.83 ± 0% -4.0% 0.79 ± 0% will-it-scale.scalability 214103 ± 14% -20.2% 170884 ± 14% sched_debug.cpu.ttwu_count.stddev 3789 ± 7% -10.3% 3398 ± 6% slabinfo.anon_vma_chain.active_objs 4660 ± 5% +7.7% 5019 ± 2% vmstat.system.in
lkp-ivb-d03: Ivy Bridge Memory: 4G
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 --- LKP_SERVER: inn LKP_CGI_PORT: 80 LKP_CIFS_PORT: 139 testcase: will-it-scale default-monitors: wait: activate-monitor kmsg: uptime: iostat: heartbeat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: interval: 10 meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: nfsstat: cpuidle: cpufreq-stats: turbostat: pmeter: sched_debug: interval: 60 cpufreq_governor: performance default-watchdogs: oom-killer: watchdog: commit: 6f25a14a7053b69917e2ebea0d31dd444cd31fd5 model: Ivy Bridge nr_cpu: 4 memory: 4G nr_hdd_partitions: 0 hdd_partitions: netconsole_port: 6674 category: benchmark perf-profile: freq: 800 will-it-scale: test: pthread_mutex1 queue: bisect testbox: lkp-ivb-d03 tbox_group: lkp-ivb-d03 kconfig: x86_64-rhel enqueue_time: 2016-04-05 08:13:46.122054989 +08:00 compiler: gcc-4.9 rootfs: debian-x86_64-2015-02-07.cgz id: 4d65b9ec0610d8e0e7fe68094c43e3fb8d15f831 user: lkp head_commit: c41dbbf6f591a0269b815b2eb5f2a15aae948e52 base_commit: 9735a22799b9214d17d3c231fe377fc852f042e9 branch: internal-eywa/master result_root: "/result/will-it-scale/performance-pthread_mutex1/lkp-ivb-d03/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/6f25a14a7053b69917e2ebea0d31dd444cd31fd5/0" job_file: "/lkp/scheduled/lkp-ivb-d03/bisect_will-it-scale-performance-pthread_mutex1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-6f25a14a7053b69917e2ebea0d31dd444cd31fd5-20160405-76887-1te91eg-0.yaml" max_uptime: 1500 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/lkp-ivb-d03/bisect_will-it-scale-performance-pthread_mutex1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-6f25a14a7053b69917e2ebea0d31dd444cd31fd5-20160405-76887-1te91eg-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=internal-eywa/master - commit=6f25a14a7053b69917e2ebea0d31dd444cd31fd5 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/6f25a14a7053b69917e2ebea0d31dd444cd31fd5/vmlinuz-4.6.0-rc1-00068-g6f25a14 - max_uptime=1500 - RESULT_ROOT=/result/will-it-scale/performance-pthread_mutex1/lkp-ivb-d03/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/6f25a14a7053b69917e2ebea0d31dd444cd31fd5/0 - LKP_SERVER=inn - |2-
earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal
rw lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz" modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/6f25a14a7053b69917e2ebea0d31dd444cd31fd5/modules.cgz" bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/run-ipconfig.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/turbostat.cgz,/lkp/benchmarks/turbostat.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/will-it-scale.cgz,/lkp/benchmarks/will-it-scale.cgz,/lkp/benchmarks/will-it-scale-x86_64.cgz" linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/6f25a14a7053b69917e2ebea0d31dd444cd31fd5/linux-headers.cgz" repeat_to: 2 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/6f25a14a7053b69917e2ebea0d31dd444cd31fd5/vmlinuz-4.6.0-rc1-00068-g6f25a14" dequeue_time: 2016-04-05 08:15:41.011882855 +08:00 job_state: finished loadavg: 3.03 1.65 0.68 1/115 4702 start_time: '1459815369' end_time: '1459815673' version: "/lkp/lkp/.src-20160401-231508" 2016-04-05 08:16:08 echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor 2016-04-05 08:16:08 echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor 2016-04-05 08:16:08 echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor 2016-04-05 08:16:08 echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor 2016-04-05 08:16:09 ./runtest.py pthread_mutex1 32 both 1 2 3 4
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