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Message-ID: <87ziy1a89f.fsf@yhuang-dev.intel.com>
Date: Thu, 26 Nov 2015 08:56:12 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Mel Gorman <mgorman@...hsingularity.net>
CC: Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [lkp] [mm, page_alloc] d0164adc89: -100.0% fsmark.app_overhead
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit d0164adc89f6bb374d304ffcc375c6d2652fe67d ("mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd")
Note: the testing machine is a virtual machine with only 1G memory.
=========================================================================================
compiler/disk/filesize/fs/iterations/kconfig/nr_directories/nr_files_per_directory/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase:
gcc-4.9/1HDD/16MB/xfs/1x/x86_64-rhel/16d/256fpd/32t/debian-x86_64-2015-02-07.cgz/fsyncBeforeClose/vm-vp-1G/60G/fsmark
commit:
016c13daa5c9e4827eca703e2f0621c131f2cca3
d0164adc89f6bb374d304ffcc375c6d2652fe67d
016c13daa5c9e482 d0164adc89f6bb374d304ffcc3
---------------- --------------------------
fail:runs %reproduction fail:runs
| | |
:4 100% 4:4 last_state.fsmark.exit_code.143
:4 50% 2:4 last_state.is_incomplete_run
:4 100% 4:4 dmesg.Mem-Info
:4 100% 4:4 dmesg.page_allocation_failure:order:#,mode
:4 100% 4:4 dmesg.warn_alloc_failed+0x
6327 23% -93.5% 409.00 80% proc-vmstat.allocstall
173495 58% -100.0% 0.00 -1% proc-vmstat.compact_free_scanned
4394 59% -100.0% 0.00 -1% proc-vmstat.compact_isolated
10055 44% -100.0% 0.00 -1% proc-vmstat.compact_migrate_scanned
443.25 13% -99.7% 1.50 100% proc-vmstat.kswapd_high_wmark_hit_quickly
28950 12% -91.4% 2502 81% proc-vmstat.kswapd_low_wmark_hit_quickly
15704144 0% -91.1% 1402050 73% proc-vmstat.nr_dirtied
12851 0% +26.3% 16235 18% proc-vmstat.nr_dirty_background_threshold
25704 0% +26.3% 32471 18% proc-vmstat.nr_dirty_threshold
2882 0% +1130.5% 35463 84% proc-vmstat.nr_free_pages
15693749 0% -91.3% 1365065 75% proc-vmstat.nr_written
16289593 0% -91.0% 1464689 72% proc-vmstat.numa_hit
16289593 0% -91.0% 1464689 72% proc-vmstat.numa_local
30453 12% -91.6% 2552 81% proc-vmstat.pageoutrun
16316641 0% -91.0% 1468330 72% proc-vmstat.pgalloc_dma32
642889 5% -90.5% 61326 56% proc-vmstat.pgfault
16218859 0% -91.6% 1355797 78% proc-vmstat.pgfree
69.25 68% -100.0% 0.00 -1% proc-vmstat.pgmigrate_fail
2066 58% -100.0% 0.00 -1% proc-vmstat.pgmigrate_success
62849613 0% -91.2% 5512004 74% proc-vmstat.pgpgout
417966 16% -80.1% 82999 36% proc-vmstat.pgscan_direct_dma32
15259915 0% -91.5% 1303209 76% proc-vmstat.pgscan_kswapd_dma32
360298 23% -93.5% 23325 82% proc-vmstat.pgsteal_direct_dma32
15224912 0% -91.7% 1270706 79% proc-vmstat.pgsteal_kswapd_dma32
236736 0% -96.1% 9216 100% proc-vmstat.slabs_scanned
108153 0% -98.0% 2154 100% proc-vmstat.workingset_nodereclaim
vm-vp-1G: qemu-system-x86_64 -enable-kvm -cpu Nehalem
Memory: 1G
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
View attachment "job.yaml" of type "text/plain" (3473 bytes)
Download attachment "reproduce.sh" of type "application/x-sh" (623 bytes)
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