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[lkp] [selinux] 5d226df4ed: -10.1% unixbench.score

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  [lkp] [selinux] 5d226df4ed: -10.1% unixbench.score kernel test robot <ying.huang@linux.intel.com> - 2015-12-28 03:50 +0100

#1298439 — [lkp] [selinux] 5d226df4ed: -10.1% unixbench.score

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FYI, we noticed the below changes on

git://git.infradead.org/users/pcmoore/selinux stable-4.5
commit 5d226df4edfa0eb1e689e7ac2741cf261ff7cbf1 ("selinux: Revalidate invalid inode security labels")


=========================================================================================
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/pipe/unixbench

commit: 
  6f3be9f562e3027c77bc4482ccf2cea8600a7f74
  5d226df4edfa0eb1e689e7ac2741cf261ff7cbf1

6f3be9f562e3027c 5d226df4edfa0eb1e689e7ac27 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
      2086 ±  0%     -10.1%       1876 ±  0%  unixbench.score
      7.79 ±  0%     -10.2%       7.00 ±  1%  time.user_time
     33404 ±117%   +9470.5%    3196941 ±173%  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
     18934 ± 34%     -82.8%       3252 ± 73%  latency_stats.sum.rpc_wait_bit_killable.__rpc_execute.rpc_execute.rpc_run_task.nfs4_call_sync_sequence.[nfsv4]._nfs4_proc_access.[nfsv4].nfs4_proc_access.[nfsv4].nfs_do_access.nfs_permission.__inode_permission.inode_permission.link_path_walk
     57519 ±100%   +5478.5%    3208706 ±172%  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
     13414 ± 33%     +49.4%      20036 ±  8%  numa-meminfo.node0.Active(anon)
     13399 ± 33%     +49.0%      19963 ±  7%  numa-meminfo.node0.AnonPages
     11624 ± 38%     -52.7%       5495 ± 18%  numa-meminfo.node1.Active(anon)
     11518 ± 38%     -52.6%       5457 ± 17%  numa-meminfo.node1.AnonPages
      1641 ± 50%     -53.8%     757.75 ± 15%  numa-meminfo.node1.PageTables
      3353 ± 33%     +49.2%       5004 ±  8%  numa-vmstat.node0.nr_active_anon
      3349 ± 33%     +49.0%       4991 ±  7%  numa-vmstat.node0.nr_anon_pages
      2904 ± 38%     -52.7%       1374 ± 18%  numa-vmstat.node1.nr_active_anon
      2878 ± 38%     -52.6%       1365 ± 17%  numa-vmstat.node1.nr_anon_pages
    410.00 ± 50%     -53.9%     189.00 ± 15%  numa-vmstat.node1.nr_page_table_pages
     14760 ±  2%    +207.2%      45336 ± 65%  numa-vmstat.node1.numa_other


ivb42: Ivytown Ivy Bridge-EP
Memory: 64G



                                  unixbench.score

  2150 ++-------------------------------------------------------------------+
       |                                                                    |
  2100 ++              .*..*.*..                                            |
       |          .*..*         *.*..*.                   .*.*..*.*         |
       *.*..*.*..*                     *..*.*.*..*.*..*.*.                  |
  2050 ++                                                                   |
       |                                                                    |
  2000 ++                                                                   |
       |                                                                    |
  1950 ++                                                                   |
       |                                                                    |
       O O  O O  O      O    O  O O  O O  O O O                             |
  1900 ++          O  O    O                     O O  O O  O O  O O         |
       |                                                             O O  O O
  1850 ++-------------------------------------------------------------------+


	[*] 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

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