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SubjectRe: [lkp] [selinux] 5d226df4ed: -10.1% unixbench.score
From
2015-12-28 2:59 GMT+01:00 kernel test robot <ying.huang@linux.intel.com>:
> 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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