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* [mm, page_alloc] 625fab12b4: 160.2% fileio.time.involuntary_context_switches
@ 2016-02-01  1:56 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2016-02-01  1:56 UTC (permalink / raw)
  To: lkp

[-- Attachment #1: Type: text/plain, Size: 23398 bytes --]

FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma mm-vmscan-node-lru-v2r26
commit 625fab12b407ee064c3f9d10b304e5aba87ad1ce ("mm, page_alloc: Remove fair zone allocation policy")


=========================================================================================
compiler/cpufreq_governor/disk/filenum/fs/iomode/kconfig/nr_threads/period/rootfs/rwmode/size/tbox_group/testcase:
  gcc-4.9/performance/1HDD/1024f/xfs/sync/x86_64-rhel/100%/600s/debian-x86_64-2015-02-07.cgz/seqwr/64G/lkp-sb02/fileio

commit: 
  94388badc0ebce2bdcc516dc413844921bd768fa
  625fab12b407ee064c3f9d10b304e5aba87ad1ce

94388badc0ebce2b 625fab12b407ee064c3f9d10b3 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
     14265 ±  0%    +160.2%      37121 ±  2%  fileio.time.involuntary_context_switches
     36.75 ±  1%     +51.0%      55.50 ±  0%  fileio.time.percent_of_cpu_this_job_got
    224.17 ±  1%     +50.0%     336.17 ±  1%  fileio.time.system_time
   1263295 ±  1%     -26.4%     930092 ±  0%  fileio.time.voluntary_context_switches
    820.99 ±  0%     -16.1%     688.70 ±  0%  uptime.idle
     32784 ±  3%      +9.2%      35813 ±  3%  softirqs.RCU
    543300 ±  0%     +21.8%     661679 ±  0%  softirqs.TIMER
 2.581e+08 ±  2%     -55.1%  1.158e+08 ±  1%  cpuidle.C1-SNB.time
    991217 ±  2%     -22.9%     763992 ±  1%  cpuidle.C1-SNB.usage
  34907285 ± 10%     -15.4%   29536292 ±  4%  cpuidle.C1E-SNB.time
  91859362 ±  5%     -19.0%   74382776 ±  5%  cpuidle.POLL.time
    231879 ±  6%     -31.1%     159807 ±  5%  cpuidle.POLL.usage
     14265 ±  0%    +160.2%      37121 ±  2%  time.involuntary_context_switches
     36.75 ±  1%     +51.0%      55.50 ±  0%  time.percent_of_cpu_this_job_got
    224.17 ±  1%     +50.0%     336.17 ±  1%  time.system_time
      0.84 ±  5%     +27.1%       1.07 ±  1%  time.user_time
   1263295 ±  1%     -26.4%     930092 ±  0%  time.voluntary_context_switches
     42.95 ±  0%     +22.2%      52.48 ±  0%  turbostat.%Busy
      1278 ±  0%     +21.6%       1555 ±  0%  turbostat.Avg_MHz
     12.53 ±  2%     -48.0%       6.51 ±  1%  turbostat.CPU%c1
     22.19 ±  0%     +12.8%      25.04 ±  0%  turbostat.CorWatt
     25.85 ±  0%     +11.0%      28.70 ±  0%  turbostat.PkgWatt
     52830 ±  0%      +1.8%      53782 ±  0%  vmstat.io.bo
    713.50 ±  7%     -33.6%     473.75 ±  2%  vmstat.memory.buff
      1.00 ±  0%    +100.0%       2.00 ±  0%  vmstat.procs.r
      5310 ±  1%     -10.2%       4766 ±  0%  vmstat.system.cs
      2231 ±  1%     +20.0%       2678 ±  0%  vmstat.system.in
      2247 ±  6%     -12.3%       1971 ±  3%  slabinfo.anon_vma.active_objs
      2247 ±  6%     -12.3%       1971 ±  3%  slabinfo.anon_vma.num_objs
    954.00 ± 10%     +24.4%       1186 ±  3%  slabinfo.cred_jar.active_objs
     20832 ±  3%    +345.2%      92754 ±  2%  slabinfo.kmalloc-64.active_objs
    325.25 ±  3%    +345.4%       1448 ±  2%  slabinfo.kmalloc-64.active_slabs
     20832 ±  3%    +345.2%      92755 ±  2%  slabinfo.kmalloc-64.num_objs
    325.25 ±  3%    +345.4%       1448 ±  2%  slabinfo.kmalloc-64.num_slabs
      2541 ±  1%     +18.8%       3018 ±  1%  slabinfo.radix_tree_node.active_slabs
      2541 ±  1%     +18.8%       3018 ±  1%  slabinfo.radix_tree_node.num_slabs
    146398 ±  0%     -82.4%      25752 ±  1%  meminfo.Active
      1660 ±  0%    -100.0%       0.00 ± -1%  meminfo.Active(anon)
    144736 ±  0%     -82.2%      25752 ±  1%  meminfo.Active(file)
    478122 ±  0%     -52.4%     227480 ±  0%  meminfo.Dirty
    171938 ±  6%     +94.9%     335031 ±  2%  meminfo.Inactive
    171938 ±  6%     +11.8%     192237 ±  5%  meminfo.Inactive(anon)
    411066 ±  2%     +10.3%     453230 ±  1%  meminfo.MemAvailable
    171939 ±  6%     +11.8%     192238 ±  5%  meminfo.MemFree
     21148 ±  0%     +21.8%      25752 ±  1%  meminfo.SUnreclaim
     21148 ±  0%     -87.0%       2743 ±  0%  meminfo.Unevictable
     88635 ±  0%     -13.8%      76382 ±  2%  meminfo.Writeback
      0.00 ± -1%      +Inf%      14490 ± 57%  latency_stats.avg.wait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages_current.pte_alloc_one.__pte_alloc.copy_page_range.copy_process._do_fork.SyS_clone.entry_SYSCALL_64_fastpath
      0.00 ± -1%      +Inf%      11880 ± 71%  latency_stats.avg.wait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages_current.pte_alloc_one.__pte_alloc.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
     16059 ±118%     -95.7%     693.00 ±126%  latency_stats.avg.xfs_buf_submit_wait._xfs_buf_read.xfs_buf_read_map.xfs_trans_read_buf_map.xfs_btree_read_buf_block.xfs_btree_lookup_get_block.xfs_btree_lookup.xfs_alloc_lookup_eq.xfs_free_ag_extent.xfs_free_extent.xfs_trans_free_extent.xfs_bmap_finish
     14149 ±  3%     -74.7%       3573 ±  6%  latency_stats.hits.balance_dirty_pages.balance_dirty_pages_ratelimited.generic_perform_write.xfs_file_buffered_aio_write.xfs_file_write_iter.__vfs_write.vfs_write.SyS_pwrite64.entry_SYSCALL_64_fastpath
      0.00 ± -1%      +Inf%      14490 ± 57%  latency_stats.max.wait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages_current.pte_alloc_one.__pte_alloc.copy_page_range.copy_process._do_fork.SyS_clone.entry_SYSCALL_64_fastpath
      0.00 ± -1%      +Inf%      12994 ± 70%  latency_stats.max.wait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages_current.pte_alloc_one.__pte_alloc.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
     16059 ±118%     -95.7%     693.00 ±126%  latency_stats.max.xfs_buf_submit_wait._xfs_buf_read.xfs_buf_read_map.xfs_trans_read_buf_map.xfs_btree_read_buf_block.xfs_btree_lookup_get_block.xfs_btree_lookup.xfs_alloc_lookup_eq.xfs_free_ag_extent.xfs_free_extent.xfs_trans_free_extent.xfs_bmap_finish
 1.591e+08 ±  3%     -69.6%   48384300 ±  0%  latency_stats.sum.balance_dirty_pages.balance_dirty_pages_ratelimited.generic_perform_write.xfs_file_buffered_aio_write.xfs_file_write_iter.__vfs_write.vfs_write.SyS_pwrite64.entry_SYSCALL_64_fastpath
     42101 ±173%    +544.4%     271288 ±102%  latency_stats.sum.call_rwsem_down_write_failed.xfs_ilock.xfs_vn_update_time.file_update_time.xfs_file_aio_write_checks.xfs_file_buffered_aio_write.xfs_file_write_iter.__vfs_write.vfs_write.SyS_pwrite64.entry_SYSCALL_64_fastpath
     29214 ± 74%     -33.4%      19470 ±  0%  latency_stats.sum.wait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages_current.alloc_kmem_pages.kmalloc_order.kmalloc_order_trace.devkmsg_open.memory_open.chrdev_open.do_dentry_open.vfs_open
      0.00 ± -1%      +Inf%      14490 ± 57%  latency_stats.sum.wait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages_current.pte_alloc_one.__pte_alloc.copy_page_range.copy_process._do_fork.SyS_clone.entry_SYSCALL_64_fastpath
      0.00 ± -1%      +Inf%      17260 ± 76%  latency_stats.sum.wait_iff_congested.__alloc_pages_slowpath.__alloc_pages_nodemask.alloc_pages_current.pte_alloc_one.__pte_alloc.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
     16059 ±118%     -95.7%     693.00 ±126%  latency_stats.sum.xfs_buf_submit_wait._xfs_buf_read.xfs_buf_read_map.xfs_trans_read_buf_map.xfs_btree_read_buf_block.xfs_btree_lookup_get_block.xfs_btree_lookup.xfs_alloc_lookup_eq.xfs_free_ag_extent.xfs_free_extent.xfs_trans_free_extent.xfs_bmap_finish
    561.50 ±  4%     +84.9%       1038 ±  4%  proc-vmstat.compact_fail
  19342446 ±  3%     +10.1%   21300297 ±  2%  proc-vmstat.compact_free_scanned
     38803 ± 11%    +184.1%     110237 ±  7%  proc-vmstat.compact_isolated
    167816 ±  7%    +185.5%     479105 ±  3%  proc-vmstat.compact_migrate_scanned
    794.75 ±  4%     +80.1%       1431 ±  4%  proc-vmstat.compact_stall
    108382 ±153%    +329.3%     465280 ± 58%  proc-vmstat.kswapd_inodesteal
      6375 ±  3%     +27.8%       8149 ±  2%  proc-vmstat.kswapd_low_wmark_hit_quickly
     67488 ±  2%     -36.6%      42793 ±  2%  proc-vmstat.nr_active_file
    415.00 ±  0%    -100.0%       0.00 ± -1%  proc-vmstat.nr_alloc_batch
    119527 ±  0%     -52.5%      56832 ±  1%  proc-vmstat.nr_dirty
      5287 ±  0%     +21.6%       6427 ±  1%  proc-vmstat.nr_slab_unreclaimable
     18134 ±  0%    +366.6%      84625 ±  0%  proc-vmstat.nr_unevictable
 1.017e+09 ±  1%     +71.9%  1.748e+09 ±  1%  proc-vmstat.nr_vmscan_immediate_reclaim
     22166 ±  0%     -13.0%      19279 ±  4%  proc-vmstat.nr_writeback
     64023 ±  2%     -57.2%      27420 ±  2%  proc-vmstat.pgactivate
    690575 ±  0%     +15.4%     797060 ±  0%  proc-vmstat.pgalloc_dma32
      1327 ±120%    +975.7%      14277 ± 64%  proc-vmstat.pgmigrate_fail
     12017 ±  8%    +193.3%      35240 ±  4%  proc-vmstat.pgmigrate_success
   6469794 ±  1%     +11.8%    7233894 ±  0%  proc-vmstat.pgrotated
 1.117e+09 ±  1%     +95.6%  2.186e+09 ±  1%  proc-vmstat.pgscan_direct
     20246 ±  0%    +373.6%      95891 ±  1%  proc-vmstat.unevictable_pgs_culled
      5347 ±  5%     +75.3%       9371 ±  2%  proc-vmstat.workingset_nodereclaim
     58075 ±  5%     +70.5%      99000 ±  3%  sched_debug.cfs_rq:/.exec_clock.0
    114182 ± 15%     +26.0%     143907 ±  4%  sched_debug.cfs_rq:/.exec_clock.2
    121749 ± 12%     +13.3%     138001 ±  1%  sched_debug.cfs_rq:/.exec_clock.3
    103780 ±  0%     +23.8%     128512 ±  0%  sched_debug.cfs_rq:/.exec_clock.avg
     57783 ±  5%     +70.4%      98484 ±  3%  sched_debug.cfs_rq:/.exec_clock.min
     30369 ±  5%     -38.7%      18605 ± 10%  sched_debug.cfs_rq:/.exec_clock.stddev
    232.25 ± 34%     +92.0%     446.00 ± 26%  sched_debug.cfs_rq:/.load_avg.0
    328.00 ± 31%     +54.0%     505.00 ± 20%  sched_debug.cfs_rq:/.load_avg.3
    306.17 ±  4%     +49.1%     456.51 ±  9%  sched_debug.cfs_rq:/.load_avg.avg
    809.84 ±  6%     +37.0%       1109 ± 14%  sched_debug.cfs_rq:/.load_avg.max
     67.39 ± 31%    +118.3%     147.12 ± 12%  sched_debug.cfs_rq:/.load_avg.min
    310.31 ±  8%     +27.1%     394.34 ± 18%  sched_debug.cfs_rq:/.load_avg.stddev
    111578 ±  5%     +98.4%     221416 ±  2%  sched_debug.cfs_rq:/.min_vruntime.0
    167309 ±  6%     +42.7%     238775 ±  1%  sched_debug.cfs_rq:/.min_vruntime.1
    158623 ±  7%     +58.3%     251082 ±  2%  sched_debug.cfs_rq:/.min_vruntime.2
    168117 ±  9%     +44.3%     242659 ±  3%  sched_debug.cfs_rq:/.min_vruntime.3
    151407 ±  1%     +57.5%     238483 ±  0%  sched_debug.cfs_rq:/.min_vruntime.avg
    180632 ±  3%     +40.3%     253385 ±  1%  sched_debug.cfs_rq:/.min_vruntime.max
    111387 ±  5%     +97.9%     220417 ±  2%  sched_debug.cfs_rq:/.min_vruntime.min
     26737 ±  3%     -53.0%      12574 ± 19%  sched_debug.cfs_rq:/.min_vruntime.stddev
      0.82 ±  7%     +27.4%       1.05 ± 12%  sched_debug.cfs_rq:/.nr_running.avg
      0.34 ± 22%    +105.3%       0.70 ± 17%  sched_debug.cfs_rq:/.nr_running.min
    262.97 ± 12%     +31.6%     346.05 ± 11%  sched_debug.cfs_rq:/.runnable_load_avg.avg
     38.16 ± 49%    +159.3%      98.95 ± 16%  sched_debug.cfs_rq:/.runnable_load_avg.min
     55730 ± 18%     -68.9%      17357 ± 23%  sched_debug.cfs_rq:/.spread0.1
     56538 ± 21%     -62.4%      21237 ± 55%  sched_debug.cfs_rq:/.spread0.3
     39828 ±  8%     -57.2%      17064 ± 31%  sched_debug.cfs_rq:/.spread0.avg
     69053 ±  6%     -53.7%      31964 ± 23%  sched_debug.cfs_rq:/.spread0.max
     26737 ±  3%     -53.0%      12573 ± 19%  sched_debug.cfs_rq:/.spread0.stddev
    353.25 ± 20%     +80.7%     638.25 ± 27%  sched_debug.cfs_rq:/.util_avg.0
    391.25 ± 11%     +75.6%     687.00 ± 18%  sched_debug.cfs_rq:/.util_avg.2
    448.25 ± 19%     +85.4%     831.00 ± 11%  sched_debug.cfs_rq:/.util_avg.3
    432.79 ±  8%     +63.3%     706.91 ± 10%  sched_debug.cfs_rq:/.util_avg.avg
    846.57 ±  5%     +31.8%       1116 ±  7%  sched_debug.cfs_rq:/.util_avg.max
    216.25 ± 39%    +117.6%     470.50 ± 14%  sched_debug.cfs_rq:/.util_avg.min
    695961 ± 12%     -23.1%     534898 ± 14%  sched_debug.cpu.avg_idle.2
    354429 ± 20%     -64.5%     125849 ± 16%  sched_debug.cpu.avg_idle.min
    212161 ± 11%     +42.3%     301992 ±  2%  sched_debug.cpu.avg_idle.stddev
    232.00 ± 23%     +74.9%     405.75 ±  9%  sched_debug.cpu.cpu_load[0].2
    265.62 ±  9%     +28.4%     341.04 ±  8%  sched_debug.cpu.cpu_load[0].avg
    226.75 ± 23%     +70.0%     385.50 ± 11%  sched_debug.cpu.cpu_load[1].2
    260.41 ±  8%     +31.7%     342.93 ±  9%  sched_debug.cpu.cpu_load[1].avg
     40.23 ± 65%    +190.8%     116.98 ± 28%  sched_debug.cpu.cpu_load[1].min
    229.50 ± 19%     +72.0%     394.75 ± 10%  sched_debug.cpu.cpu_load[2].2
    258.82 ±  7%     +35.4%     350.45 ±  9%  sched_debug.cpu.cpu_load[2].avg
     42.34 ± 63%    +222.5%     136.55 ± 21%  sched_debug.cpu.cpu_load[2].min
    240.50 ± 14%     +70.8%     410.75 ±  8%  sched_debug.cpu.cpu_load[3].2
    260.75 ± 25%     +37.2%     357.75 ± 11%  sched_debug.cpu.cpu_load[3].3
    257.67 ±  8%     +39.3%     358.95 ±  8%  sched_debug.cpu.cpu_load[3].avg
     41.75 ± 69%    +235.6%     140.12 ± 20%  sched_debug.cpu.cpu_load[3].min
    254.75 ± 12%     +66.0%     423.00 ± 10%  sched_debug.cpu.cpu_load[4].2
    246.75 ± 22%     +46.4%     361.25 ± 16%  sched_debug.cpu.cpu_load[4].3
    257.68 ±  8%     +41.8%     365.33 ±  8%  sched_debug.cpu.cpu_load[4].avg
     43.82 ± 60%    +219.9%     140.18 ± 19%  sched_debug.cpu.cpu_load[4].min
      4021 ±  0%     -16.0%       3378 ±  0%  sched_debug.cpu.curr->pid.max
     20.05 ± 67%    +461.3%     112.53 ± 53%  sched_debug.cpu.curr->pid.min
      1691 ±  2%     -20.3%       1348 ±  1%  sched_debug.cpu.curr->pid.stddev
    144.05 ± 34%     +63.2%     235.02 ± 28%  sched_debug.cpu.load.min
      0.00 ±  7%     -35.1%       0.00 ± 12%  sched_debug.cpu.next_balance.stddev
     87656 ±  3%     +44.4%     126554 ±  3%  sched_debug.cpu.nr_load_updates.0
    128292 ±  0%     +16.7%     149747 ±  1%  sched_debug.cpu.nr_load_updates.avg
     87534 ±  3%     +44.1%     126162 ±  3%  sched_debug.cpu.nr_load_updates.min
     26961 ±  8%     -44.2%      15041 ± 18%  sched_debug.cpu.nr_load_updates.stddev
      1.06 ± 11%     +54.1%       1.64 ± 17%  sched_debug.cpu.nr_running.avg
      1.91 ± 11%     +53.2%       2.92 ± 22%  sched_debug.cpu.nr_running.max
      0.34 ± 22%    +112.7%       0.72 ± 15%  sched_debug.cpu.nr_running.min
      0.67 ±  7%     +38.3%       0.92 ± 26%  sched_debug.cpu.nr_running.stddev
    437095 ±  6%     -24.0%     332148 ±  3%  sched_debug.cpu.nr_switches.1
    434420 ± 11%     -33.1%     290428 ±  4%  sched_debug.cpu.nr_switches.2
    415871 ± 10%     -23.5%     318027 ±  3%  sched_debug.cpu.nr_switches.3
    460555 ±  0%     -21.7%     360716 ±  1%  sched_debug.cpu.nr_switches.avg
    379951 ±  3%     -24.2%     287882 ±  4%  sched_debug.cpu.nr_switches.min
     69023 ±  6%     +25.2%      86397 ± 11%  sched_debug.cpu.nr_switches.stddev
     -9.50 ±-83%    -778.9%      64.50 ± 49%  sched_debug.cpu.nr_uninterruptible.0
     23.23 ± 25%    +219.9%      74.30 ± 25%  sched_debug.cpu.nr_uninterruptible.max
    -22.02 ±-32%    +204.8%     -67.12 ±-10%  sched_debug.cpu.nr_uninterruptible.min
     17.50 ± 28%    +215.3%      55.18 ± 11%  sched_debug.cpu.nr_uninterruptible.stddev
    581166 ± 14%     -23.6%     444135 ±  3%  sched_debug.cpu.sched_count.1
    501484 ±  8%     -22.6%     388161 ± 11%  sched_debug.cpu.sched_count.3
    598204 ±  2%     -13.2%     519290 ±  4%  sched_debug.cpu.sched_count.avg
    441282 ±  3%     -19.5%     355031 ± 10%  sched_debug.cpu.sched_count.min
    147934 ±  4%     +19.1%     176138 ± 10%  sched_debug.cpu.sched_count.stddev
    267440 ±  1%     -17.4%     220961 ±  4%  sched_debug.cpu.sched_goidle.0
    209831 ±  7%     -30.6%     145673 ±  3%  sched_debug.cpu.sched_goidle.1
    210490 ± 11%     -41.7%     122757 ±  5%  sched_debug.cpu.sched_goidle.2
    200281 ± 10%     -29.2%     141844 ±  3%  sched_debug.cpu.sched_goidle.3
    222011 ±  0%     -28.9%     157809 ±  2%  sched_debug.cpu.sched_goidle.avg
    269793 ±  0%     -17.7%     222161 ±  4%  sched_debug.cpu.sched_goidle.max
    183167 ±  3%     -33.3%     122237 ±  4%  sched_debug.cpu.sched_goidle.min
    276225 ±  0%     -30.6%     191807 ±  2%  sched_debug.cpu.ttwu_count.0
    210972 ±  8%     -16.3%     176617 ±  4%  sched_debug.cpu.ttwu_count.1
    220636 ± 10%     -15.3%     186902 ±  7%  sched_debug.cpu.ttwu_count.2
    212763 ±  4%     -21.5%     167014 ±  1%  sched_debug.cpu.ttwu_count.3
    230149 ±  0%     -21.5%     180585 ±  1%  sched_debug.cpu.ttwu_count.avg
    276922 ±  0%     -29.1%     196398 ±  1%  sched_debug.cpu.ttwu_count.max
    194281 ±  3%     -14.9%     165374 ±  2%  sched_debug.cpu.ttwu_count.min
     31652 ±  6%     -59.6%      12798 ± 20%  sched_debug.cpu.ttwu_count.stddev
     31469 ±  5%     +35.9%      42760 ±  6%  sched_debug.cpu.ttwu_local.0
     25336 ±  3%     +22.4%      31021 ±  2%  sched_debug.cpu.ttwu_local.avg
     31881 ±  5%     +35.3%      43121 ±  6%  sched_debug.cpu.ttwu_local.max
     20206 ±  5%     +13.8%      22998 ±  6%  sched_debug.cpu.ttwu_local.min
      4634 ± 17%     +70.9%       7918 ± 10%  sched_debug.cpu.ttwu_local.stddev
      0.02 ± 21%     +58.1%       0.02 ± 22%  sched_debug.rt_rq:/.rt_time.avg


lkp-sb02: Sandy Bridge-EP
Memory: 4G

                      fileio.time.involuntary_context_switches

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         |                                                 +     :+         |
       0 *+*-**-*-*-**-*-*-**-*-*-**-*-*-*-**-*-*-**-*-*-**------*----------+


                         proc-vmstat.nr_slab_unreclaimable

  7000 ++-------------------------------------------------------------------+
       O            O OO O O O OO O O O O                                   |
  6000 ++O OO O O O                                                         |
       |                                        .*.           .*. .*.*.**.*.|
  5000 ++*.**.*.*.*.*.**.*.*.*.**.*.*.*.*.**.*.*   **.*.*.*.**   *          *
       | :                                                                  |
  4000 ++:                                                                  |
       |:                                                                   |
  3000 ++                                                                   |
       |:                                                                   |
  2000 ++                                                                   |
       |:                                                                   |
  1000 ++                                                                   |
       |                                                                    |
     0 *+-------------------------------------------------------------------+


                                 meminfo.SUnreclaim

  30000 ++------------------------------------------------------------------+
        |                                                                   |
  25000 O+O      O O OO O O OO O O O OO O                                   |
        |   OO O                                                            |
        | *.**.*.*.*.**.*.*.**.*.*.*.**.*.*.*.**.*.*.*.**.*.   *.*.*.*.**.*.*
  20000 ++:                                                 *.*             |
        | :                                                                 |
  15000 ++                                                                  |
        |:                                                                  |
  10000 ++                                                                  |
        |:                                                                  |
        |:                                                                  |
   5000 ++                                                                  |
        |                                                                   |
      0 *+------------------------------------------------------------------+


                            proc-vmstat.nr_alloc_batch

  450 ++--------------------------------------------------------------------+
      |                                                    *.*.*.*.*.**.*.*.*
  400 ++                                                   :                |
  350 ++                                                   :                |
      |                                                   :                 |
  300 ++                                                  :                 |
  250 ++*.*.**.*.*.*.*.**.*.*.*.*.**.*.*.*.*.*.**.*.*.*.*.*                 |
      | :                                                                   |
  200 ++:                                                                   |
  150 ++                                                                    |
      |:                                                                    |
  100 ++                                                                    |
   50 ++                                                                    |
      |                                                                     |
    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,
Ying Huang

[-- Attachment #2: job.yaml --]
[-- Type: text/plain, Size: 3703 bytes --]

---
LKP_SERVER: inn
LKP_CGI_PORT: 80
LKP_CIFS_PORT: 139
testcase: fileio
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: 625fab12b407ee064c3f9d10b304e5aba87ad1ce
model: Sandy Bridge-EP
memory: 4G
hdd_partitions: "/dev/disk/by-id/ata-HDT722516DLA380_VDSD1DTCEKYAEJ-part2"
swap_partitions: 
rootfs_partition: "/dev/disk/by-id/ata-HDT722516DLA380_VDSD1DTCEKYAEJ-part1"
category: benchmark
period: 600s
nr_threads: 100%
disk: 1HDD
fs: xfs
size: 64G
fileio:
  filenum: 1024f
  rwmode: seqwr
  iomode: sync
queue: bisect
testbox: lkp-sb02
tbox_group: lkp-sb02
kconfig: x86_64-rhel
enqueue_time: 2016-01-29 18:26:28.957425558 +08:00
id: a0ba89194dc3e1c5ace357518cd4200b5f8de413
user: lkp
compiler: gcc-4.9
head_commit: feaa65592cab63caaf766fe57940f4a1bfa2fc43
base_commit: 92e963f50fc74041b5e9e744c330dca48e04f08d
branch: linux-devel/devel-hourly-2016012818
rootfs: debian-x86_64-2015-02-07.cgz
result_root: "/result/fileio/performance-600s-100%-1HDD-xfs-64G-1024f-seqwr-sync/lkp-sb02/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/625fab12b407ee064c3f9d10b304e5aba87ad1ce/0"
job_file: "/lkp/scheduled/lkp-sb02/bisect_fileio-performance-600s-100%-1HDD-xfs-64G-1024f-seqwr-sync-debian-x86_64-2015-02-07.cgz-x86_64-rhel-625fab12b407ee064c3f9d10b304e5aba87ad1ce-20160129-14482-g7hzvt-0.yaml"
nr_cpu: "$(nproc)"
max_uptime: 1845.5
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/lkp-sb02/bisect_fileio-performance-600s-100%-1HDD-xfs-64G-1024f-seqwr-sync-debian-x86_64-2015-02-07.cgz-x86_64-rhel-625fab12b407ee064c3f9d10b304e5aba87ad1ce-20160129-14482-g7hzvt-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2016012818
- commit=625fab12b407ee064c3f9d10b304e5aba87ad1ce
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/625fab12b407ee064c3f9d10b304e5aba87ad1ce/vmlinuz-4.5.0-rc1-00024-g625fab1
- max_uptime=1845
- RESULT_ROOT=/result/fileio/performance-600s-100%-1HDD-xfs-64G-1024f-seqwr-sync/lkp-sb02/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/625fab12b407ee064c3f9d10b304e5aba87ad1ce/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-4.9/625fab12b407ee064c3f9d10b304e5aba87ad1ce/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,/osimage/deps/debian-x86_64-2015-02-07.cgz/fileio.cgz"
linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/625fab12b407ee064c3f9d10b304e5aba87ad1ce/linux-headers.cgz"
repeat_to: 2
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/625fab12b407ee064c3f9d10b304e5aba87ad1ce/vmlinuz-4.5.0-rc1-00024-g625fab1"
dequeue_time: 2016-01-29 18:57:48.414399046 +08:00
job_state: finished
loadavg: 6.75 6.16 3.40 1/132 6399
start_time: '1454065101'
end_time: '1454065705'
version: "/lkp/lkp/.src-20160127-223853"

[-- Attachment #3: reproduce.sh --]
[-- Type: application/x-sh, Size: 703 bytes --]

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