Messages in this thread | | | Date | Wed, 16 Mar 2016 14:52:33 +0800 | From | kernel test robot <> | Subject | [lkp] [SKL BOOT FAILURE unless idle=nomwait (was Re] 256126a34c: +6.5% blogbench.write_score |
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FYI, we noticed that blogbench.write_score +6.5% improvement on
https://github.com/0day-ci/linux Rik-van-Riel/cpuidle-use-predicted_us-not-interactivity_req-to-consider-polling/20160312-043358 commit 256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4 ("SKL BOOT FAILURE unless idle=nomwait (was Re: PROBLEM: Cpufreq constantly keeps frequency at maximum on 4.5-rc4)")
========================================================================================= compiler/cpufreq_governor/disk/fs/kconfig/rootfs/tbox_group/testcase: gcc-4.9/performance/1SSD/xfs/x86_64-rhel/debian-x86_64-2015-02-07.cgz/lkp-bdw01/blogbench
commit: e6a4261e5a9e3ff89a4667afd6a314352654e2ef 256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4
e6a4261e5a9e3ff8 256126a34c2a087a2a9900c2c7 ---------------- -------------------------- %stddev %change %stddev \ | \ 53652546 ± 1% +5.6% 56637238 ± 1% blogbench.time.file_system_outputs 632330 ± 1% -5.5% 597814 ± 1% blogbench.time.involuntary_context_switches 4861 ± 55% -40.8% 2880 ± 2% blogbench.time.maximum_resident_set_size 206.67 ± 0% -4.4% 197.50 ± 0% blogbench.time.percent_of_cpu_this_job_got 584.62 ± 0% -4.6% 557.91 ± 0% blogbench.time.system_time 4176142 ± 0% -1.7% 4105578 ± 0% blogbench.time.voluntary_context_switches 7471 ± 1% +6.5% 7955 ± 1% blogbench.write_score 2646 ± 8% +36.9% 3623 ± 14% meminfo.Writeback 107366 ± 1% +5.1% 112827 ± 0% vmstat.io.bo 28583 ± 0% +0.9% 28837 ± 1% vmstat.system.cs 85.70 ± 0% -31.3% 58.88 ± 0% turbostat.%Busy 1881 ± 0% -31.3% 1292 ± 0% turbostat.Avg_MHz 13.83 ± 0% +193.9% 40.66 ± 0% turbostat.CPU%c1 6.24 ± 0% -13.4% 5.40 ± 0% turbostat.CorWatt 8.11 ± 0% -7.7% 7.48 ± 0% turbostat.PkgWatt 1.392e+08 ± 0% +233.4% 4.639e+08 ± 0% cpuidle.C1-BDW.time 448770 ± 2% +494.6% 2668387 ± 1% cpuidle.C1-BDW.usage 250762 ± 12% -22.2% 195098 ± 15% cpuidle.C6-BDW.time 1002396 ± 24% -37.6% 625501 ± 14% cpuidle.C7s-BDW.time 3.056e+08 ± 2% -99.9% 220778 ± 33% cpuidle.POLL.time 2048094 ± 1% -98.9% 22873 ± 8% cpuidle.POLL.usage 90.78 ± 8% -23.4% 69.52 ± 20% sched_debug.cfs_rq:/.util_avg.stddev -9028 ± -1% -29.9% -6332 ± -6% sched_debug.cpu.nr_uninterruptible.0 3003 ± 9% -35.5% 1938 ± 18% sched_debug.cpu.nr_uninterruptible.1 4372 ± 6% -24.9% 3281 ± 7% sched_debug.cpu.nr_uninterruptible.2 1725 ± 14% -31.4% 1183 ± 17% sched_debug.cpu.nr_uninterruptible.3 4393 ± 6% -24.4% 3319 ± 7% sched_debug.cpu.nr_uninterruptible.max -9031 ± -1% -29.8% -6335 ± -6% sched_debug.cpu.nr_uninterruptible.min 5320 ± 1% -29.2% 3766 ± 6% sched_debug.cpu.nr_uninterruptible.stddev 142568 ± 9% +23.0% 175340 ± 13% proc-vmstat.kswapd_high_wmark_hit_quickly 184381 ± 7% +19.0% 219502 ± 11% proc-vmstat.kswapd_low_wmark_hit_quickly 288558 ± 3% -15.7% 243178 ± 9% proc-vmstat.nr_vmscan_immediate_reclaim 764.33 ± 8% +27.9% 977.25 ± 10% proc-vmstat.nr_writeback 330124 ± 8% +20.7% 398369 ± 12% proc-vmstat.pageoutrun 244293 ± 2% -15.9% 205562 ± 6% proc-vmstat.pgrotated 1777197 ± 3% +9.6% 1948586 ± 7% proc-vmstat.pgscan_direct_dma32 751311 ± 3% +9.8% 824826 ± 7% proc-vmstat.pgscan_direct_normal 1699363 ± 3% +10.2% 1872550 ± 6% proc-vmstat.pgsteal_direct_dma32 714246 ± 3% +10.5% 788950 ± 7% proc-vmstat.pgsteal_direct_normal 348656 ± 3% +4.4% 364123 ± 5% proc-vmstat.workingset_nodereclaim
lkp-bdw01: Broadwell ULT Memory: 4G
cpuidle.POLL.time
3.5e+08 ++----------------------------------------------------------------+ | .* .** *. **. * .**. | 3e+08 ++ ** * *.**.**.**.** *.* * * *.* * **.**.***.**.* ** | : : : : : : :| 2.5e+08 ++ : : : : : : :| | : : : : : : :| 2e+08 ++: : : : : : : | | : : : : : : : | 1.5e+08 ++: : : : : :: | | : : : : : :: | 1e+08 ++: : : : : :: | | : : : : : :: | 5e+07 ++ : : : : : | |: : : : : : | 0 OO-OO-OO-OOO-OO-OO-OO-OOO-OO-O-------*-*-----------------------*--+
cpuidle.POLL.usage
2.5e+06 ++----------------------------------------------------------------+ | | | *.**.* .* * .**.** .***.* .* * .**.* *| 2e+06 ++ * ** *.**.**.*: * *.* * *.** *.* * : :* | : : : : : : :| | : : : : : : :| 1.5e+06 ++: : : : : : : | | : : : : : : : | 1e+06 ++: : : : : :: | | : : : : : :: | | : : : : : :: | 500000 ++: : : : : :: | |: : : : : : | |: : : : : : | 0 OO-OO-OO-OOO-OO-OO-OO-OOO-OO-O-------*-*-----------------------*--+
cpuidle.C1-BDW.time
5e+08 ++----------------------------------------------------------------+ 4.5e+08 OO OO OO OOO OO OO OO OOO OO O | | | 4e+08 ++ | 3.5e+08 ++ | | | 3e+08 ++ | 2.5e+08 ++ | 2e+08 ++ | | | 1.5e+08 ++ **.**.***.**.**.**.** *.**.***.* *.***.**.**.**.***.**.* ** 1e+08 ++ : : : : : : :| | : : : : : :: | 5e+07 ++: : : : : :: | 0 **----------------------*-*----------*-*-----------------------*--+
cpuidle.C1-BDW.usage
3e+06 ++----------------------------------------------------------------+ | O O O O OO O O | 2.5e+06 OO OO OO O O O OO O O | | | | | 2e+06 ++ | | | 1.5e+06 ++ | | | 1e+06 ++ | | | | | 500000 ++ **.**.***.**.**.**.** *.**.***.* *.***.**.**.**.***.**.* ** | + : : : : :+ | 0 **----------------------*-*----------*-*-----------------------*--+
turbostat.Avg_MHz
2000 ++-------------------------------------------------------------------+ 1800 ++ *.**.**.**.**.**.**.** **.**.**.* *.**.**.**.**.**.**.**.* ** | : : : : : : :| 1600 ++ : : : : : : :| 1400 ++ : : : : : : :| O OO OO OO OO OO OO OO OO:OO:OO : : : : | 1200 ++ : : : : : : : | 1000 ++ : : : : : : : | 800 ++: : : : : :: | | : : : : : :: | 600 ++: : : : : :: | 400 ++: :: : : : | | : :: : : : | 200 ++: :: : : : | 0 *+*-----------------------**-----------*-*------------------------*--+
turbostat._Busy
90 ++---------------------------------------------------------------------+ | *.**.**.**.**.*.**.**.* *.**.*.**.* *.**.**.**.*.**.**.**.** *.* 80 ++ : : : : : : : | 70 ++ : : : : : : : | | : : : : : : : | 60 O+OO OO OO OO OO O OO OO OO OO O : : : : | 50 ++ : : : : : : : | | : : : : : : : | 40 ++: : : : : :: | 30 ++: : : : : :: | | : : : : : :: | 20 ++: : : : : : | 10 ++: : : : : : | | : : : : : : | 0 *+*-----------------------*-*-----------*-*-------------------------*--+
turbostat.CPU_c1
45 ++---------------------------------------------------------------------+ O OO O OO O O O O OO OO OO O | 40 ++ O O O O | 35 ++ | | | 30 ++ | 25 ++ | | | 20 ++ | 15 ++ .*.* | | *.**.**.**.**.*.**.**.* *.**.*.**.* *.**.**.** *.**.**.** *.* 10 ++ : : : : : : : | 5 ++ : : : : : : : | | : : : : : : | 0 *+*-----------------------*-*-----------*-*-------------------------*--+
turbostat.PkgWatt
9 ++----------------------------------------------------------------------+ | *.**.**.*.**.**.**.**.* **.**.*.** **.*.**.**.**.**.*.**.** *.* 8 O+OO OO OO O OO OO OO OO O OO OO : : : : | 7 ++ : : : : : : : | | : : : : : : : | 6 ++ : : : : : : : | 5 ++ : : : : : : : | | : : : : : : : | 4 ++: : : : : :: | 3 ++: : : : : :: | | : : : : : :: | 2 ++: :: :: : | 1 ++: :: :: : | | : :: :: : | 0 *+*------------------------**------------**--------------------------*--+
turbostat.CorWatt
7 ++----------------------------------------------------------------------+ | *. *. .* 6 ++ *.**.**.*.**.* **.**.* **.**.*.** **.*.**.**.**.* *.**.** * | O OO OO OO O OO OO OO OO O OO OO : : : : | 5 ++ : : : : : : : | | : : : : : : : | 4 ++ : : : : : : : | | : : : : : : : | 3 ++ : : : : : : : | | : : : : : :: | 2 ++: : : : : :: | | : : : : : : | 1 ++: :: :: : | | : :: :: : | 0 *+*------------------------**------------**--------------------------*--+
[*] bisect-good sample [O] bisect-bad sample
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: blogbench 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: 256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4 model: Broadwell ULT nr_cpu: 4 memory: 4G nr_ssd_partitions: 1 ssd_partitions: "/dev/disk/by-id/ata-INTEL_SSDSC2CW120A3_CVCV252505YF120BGN-part1" rootfs_partition: "/dev/disk/by-id/ata-INTEL_SSDSC2CW120A3_CVCV252505YF120BGN-part2" category: benchmark disk: 1SSD fs: xfs blogbench: queue: bisect testbox: lkp-bdw01 tbox_group: lkp-bdw01 kconfig: x86_64-rhel enqueue_time: 2016-03-14 10:05:06.928750572 +08:00 compiler: gcc-4.9 rootfs: debian-x86_64-2015-02-07.cgz id: fb599b2e44822b788d923a0908824e7dfe82e865 user: lkp head_commit: e1eef6e9c27d24f398dc71e4fb13ebb6e2a13f60 base_commit: f6cede5b49e822ebc41a099fe41ab4989f64e2cb branch: linux-devel/devel-hourly-2016031318 result_root: "/result/blogbench/performance-1SSD-xfs/lkp-bdw01/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4/0" job_file: "/lkp/scheduled/lkp-bdw01/bisect_blogbench-performance-1SSD-xfs-debian-x86_64-2015-02-07.cgz-x86_64-rhel-256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4-20160314-20015-1bwze2e-0.yaml" max_uptime: 2613.3599999999997 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/lkp-bdw01/bisect_blogbench-performance-1SSD-xfs-debian-x86_64-2015-02-07.cgz-x86_64-rhel-256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4-20160314-20015-1bwze2e-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-devel/devel-hourly-2016031318 - commit=256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4/vmlinuz-4.5.0-rc7-00188-g256126a - max_uptime=2613 - RESULT_ROOT=/result/blogbench/performance-1SSD-xfs/lkp-bdw01/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4/0 - 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-4.9/256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4/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/fs.cgz,/lkp/benchmarks/blogbench.cgz" linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4/linux-headers.cgz" repeat_to: 2 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/256126a34c2a087a2a9900c2c7ac9a7c4f5e54e4/vmlinuz-4.5.0-rc7-00188-g256126a" dequeue_time: 2016-03-14 10:10:24.587691856 +08:00 job_state: finished loadavg: 101.27 65.81 28.50 1/213 4731 start_time: '5752888769' end_time: '5752889070' version: "/lkp/lkp/.src-20160311-183612" 2152-04-20 16:39:14 echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor 2152-04-20 16:39:14 echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor 2152-04-20 16:39:14 echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor 2152-04-20 16:39:14 echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor 2152-04-20 16:39:14 mkfs -t xfs /dev/sda1 2152-04-20 16:39:28 mount -t xfs -o nobarrier,inode64 /dev/sda1 /fs/sda1 2152-04-20 16:39:29 ./blogbench -d /fs/sda1
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