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* [scheduler] a13869ace4: No primary result change, -4.3% unixbench.time.system_time
@ 2015-12-18  8:14 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2015-12-18  8:14 UTC (permalink / raw)
  To: lkp

[-- Attachment #1: Type: text/plain, Size: 8927 bytes --]

FYI, we noticed the below changes on

https://github.com/0day-ci/linux Yuyang-Du/sched-Fix-new-task-s-load-avg-removed-from-source-CPU-in/20151216-154529
commit a13869ace4e73d0aa7e54f5c2066d8445acb1c97 ("PELT initial task load and wake_up_new_task()")


=========================================================================================
compiler/cpufreq_governor/kconfig/nr_task/rootfs/tbox_group/test/testcase:
  gcc-4.9/performance/x86_64-rhel/1/debian-x86_64-2015-02-07.cgz/ivb42/shell1/unixbench

commit: 
  aa0b7ae06387d40a988ce16a189082dee6e570bc
  a13869ace4e73d0aa7e54f5c2066d8445acb1c97

aa0b7ae06387d40a a13869ace4e73d0aa7e54f5c20 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
    140.50 ±  0%      -2.5%     137.00 ±  0%  unixbench.time.percent_of_cpu_this_job_got
    191.28 ±  0%      -4.3%     183.09 ±  0%  unixbench.time.system_time
   1043479 ±  0%      -1.3%    1029838 ±  0%  unixbench.time.voluntary_context_switches
     22549 ±  0%      -4.6%      21509 ±  0%  vmstat.system.cs
     31759 ±  6%      -8.1%      29176 ±  1%  meminfo.Active(anon)
      5638 ± 11%     +65.4%       9323 ±  1%  meminfo.PageTables
    721.75 ± 23%     +62.9%       1176 ±  7%  numa-vmstat.node0.nr_page_table_pages
    753.50 ± 34%     +51.5%       1141 ±  7%  numa-vmstat.node1.nr_page_table_pages
      7939 ±  6%      -8.3%       7284 ±  1%  proc-vmstat.nr_active_anon
      1410 ± 11%     +65.4%       2332 ±  1%  proc-vmstat.nr_page_table_pages
      2918 ± 24%     +61.7%       4719 ±  7%  numa-meminfo.node0.PageTables
      3943 ±  7%     -17.7%       3245 ±  7%  numa-meminfo.node1.KernelStack
      3001 ± 33%     +52.7%       4583 ±  7%  numa-meminfo.node1.PageTables
    165448 ±  4%     -11.9%     145739 ±  1%  softirqs.RCU
    162832 ±  0%     -21.2%     128362 ±  0%  softirqs.SCHED
    360205 ±  1%     -28.7%     256686 ±  0%  softirqs.TIMER
     37.47 ±  1%     +18.5%      44.40 ±  0%  turbostat.CPU%c1
     59.49 ±  0%     -11.7%      52.56 ±  0%  turbostat.CPU%c6
      2.02 ± 12%     -22.0%       1.57 ± 10%  turbostat.Pkg%pc2
 1.415e+09 ±  1%     +30.9%  1.853e+09 ±  1%  cpuidle.C1-IVT.time
      3219 ±  2%     +71.3%       5517 ±  3%  cpuidle.C1E-IVT.usage
   2502248 ±  9%    +118.3%    5461426 ±  6%  cpuidle.C3-IVT.time
      5183 ±  1%    +136.8%      12276 ±  3%  cpuidle.C3-IVT.usage
    994519 ±148%    -100.0%       0.00 ± -1%  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.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
    162402 ±127%     -96.6%       5547 ±150%  latency_stats.avg.wait_on_page_bit.__filemap_fdatawait_range.filemap_fdatawait_keep_errors.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath
    994519 ±148%    -100.0%       0.00 ± -1%  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.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
   1238838 ±117%     -98.3%      21437 ±147%  latency_stats.max.wait_on_page_bit.__filemap_fdatawait_range.filemap_fdatawait_keep_errors.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath
    994519 ±148%    -100.0%       0.00 ± -1%  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.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
   1241267 ±117%     -97.2%      34234 ±144%  latency_stats.sum.wait_on_page_bit.__filemap_fdatawait_range.filemap_fdatawait_keep_errors.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath
     16226 ±  4%     +11.3%      18055 ±  1%  slabinfo.kmalloc-192.active_objs
     16320 ±  4%     +11.5%      18203 ±  1%  slabinfo.kmalloc-192.num_objs
      8573 ±  5%      -8.0%       7887 ±  1%  slabinfo.kmalloc-96.active_objs
      8622 ±  5%      -8.0%       7929 ±  1%  slabinfo.kmalloc-96.num_objs
    446.25 ± 16%     -28.6%     318.75 ±  6%  slabinfo.kmem_cache.active_objs
    446.25 ± 16%     -28.6%     318.75 ±  6%  slabinfo.kmem_cache.num_objs
    605.00 ± 15%     -26.4%     445.00 ±  6%  slabinfo.kmem_cache_node.active_objs
    624.00 ± 15%     -25.6%     464.00 ±  5%  slabinfo.kmem_cache_node.num_objs

ivb42: Ivytown Ivy Bridge-EP
Memory: 64G

                                  cpuidle.C1-IVT.time

  2.1e+09 ++----------------------------------------------------------------+
          |   O                                                             |
    2e+09 O+    O O   O      O                                              |
  1.9e+09 ++O       O   O  O   O                                            |
          |                      O   O   O   O   O                          |
  1.8e+09 ++                       O   O   O   O   O                        |
          |                                                                 |
  1.7e+09 ++                                                                |
          |                                                                 |
  1.6e+09 ++                                                                |
  1.5e+09 ++                                                                |
          |                                         .*.    .*.     .*.      |
  1.4e+09 ++*.*.*.*. .*.*..*.*.*.*.*.*.*.*.*.*.*.*.*   *.*.   *.*.*   *.*.*.*
          *         *                                                       |
  1.3e+09 ++----------------------------------------------------------------+


                                cpuidle.C3-IVT.usage

  14000 ++------------------------------------------------------------------+
  13000 ++                              O       O                           |
        |                      O    O       O                               |
  12000 ++                            O   O   O    O                        |
  11000 ++O   O        O          O                                         |
        O   O    O O       O                                                |
  10000 ++           O   O   O                                              |
   9000 ++                                                                  |
   8000 ++                                                                  |
        |                                                                   |
   7000 ++                                                                  |
   6000 ++                                                .*.               |
        |.*.*.*..*.*. .*.*.*.*.*..*.*.*.*.*.*.*.*..*.*.*.*   *.*.*..*.*.*. .*
   5000 *+           *                                                    * |
   4000 ++------------------------------------------------------------------+


                            unixbench.time.system_time

  192 *+*-------------------------------------------------------------------+
  191 ++  *..*.*.*. .*..*.*. .*.*.*..*.*. .*.  .*. .*.*.*..*.*.*.*. .*..*.*.*
      |            *        *            *   *.   *                *        |
  190 ++                                                                    |
  189 ++                                                                    |
      |                                                                     |
  188 ++                                                                    |
  187 ++                                                                    |
  186 ++                                                                    |
      |                                                                     |
  185 ++                                                                    |
  184 ++                                                                    |
      |   O  O                  O    O O     O  O                           |
  183 O+O      O O O O  O O O O   O      O O      O                         |
  182 ++--------------------------------------------------------------------+


	[*] 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,
Ying Huang

[-- Attachment #2: job.yaml --]
[-- Type: text/plain, Size: 3216 bytes --]

---
LKP_SERVER: inn
LKP_CGI_PORT: 80
LKP_CIFS_PORT: 139
testcase: unixbench
default-monitors:
  wait: activate-monitor
  kmsg: 
  uptime: 
  iostat: 
  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: a13869ace4e73d0aa7e54f5c2066d8445acb1c97
model: Ivytown Ivy Bridge-EP
nr_cpu: 48
memory: 64G
swap_partitions: LABEL=SWAP
rootfs_partition: LABEL=LKP-ROOTFS
category: benchmark
nr_task: 1
unixbench:
  test: shell1
queue: bisect
testbox: ivb42
tbox_group: ivb42
kconfig: x86_64-rhel
enqueue_time: 2015-12-18 09:56:43.206309498 +08:00
id: 57b4b792fd012ccd380e1205f3cc40509d53d0be
user: lkp
compiler: gcc-4.9
head_commit: 8dfd54c07314f2e0d64858ed8701d8463240aae1
base_commit: 9f9499ae8e6415cefc4fe0a96ad0e27864353c89
branch: linux-devel/devel-hourly-2015121713
rootfs: debian-x86_64-2015-02-07.cgz
result_root: "/result/unixbench/performance-1-shell1/ivb42/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/a13869ace4e73d0aa7e54f5c2066d8445acb1c97/0"
job_file: "/lkp/scheduled/ivb42/bisect_unixbench-performance-1-shell1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-a13869ace4e73d0aa7e54f5c2066d8445acb1c97-20151218-30633-5z80ln-0.yaml"
max_uptime: 1891.8400000000001
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/ivb42/bisect_unixbench-performance-1-shell1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-a13869ace4e73d0aa7e54f5c2066d8445acb1c97-20151218-30633-5z80ln-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2015121713
- commit=a13869ace4e73d0aa7e54f5c2066d8445acb1c97
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/a13869ace4e73d0aa7e54f5c2066d8445acb1c97/vmlinuz-4.4.0-rc2-00037-ga13869a
- max_uptime=1891
- RESULT_ROOT=/result/unixbench/performance-1-shell1/ivb42/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/a13869ace4e73d0aa7e54f5c2066d8445acb1c97/0
- 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/a13869ace4e73d0aa7e54f5c2066d8445acb1c97/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,/lkp/benchmarks/unixbench.cgz"
repeat_to: 2
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/a13869ace4e73d0aa7e54f5c2066d8445acb1c97/vmlinuz-4.4.0-rc2-00037-ga13869a"
dequeue_time: 2015-12-18 10:02:31.164698571 +08:00
job_state: finished
loadavg: 1.39 0.90 0.39 1/517 103913
start_time: '1450404194'
end_time: '1450404383'
version: "/lkp/lkp/.src-20151218-093457"

[-- Attachment #3: reproduce.sh --]
[-- Type: application/x-sh, Size: 4540 bytes --]

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2015-12-18  8:14 [scheduler] a13869ace4: No primary result change, -4.3% unixbench.time.system_time kernel test robot

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