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Message-ID: <87a8o8x46a.fsf@yhuang-dev.intel.com>
Date: Thu, 14 Jan 2016 10:53:17 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Jaegeuk Kim <jaegeuk@...nel.org>
CC: Chao Yu <chao2.yu@...sung.com>
Subject: [lkp] [f2fs] b9d777b85f: No primary result change, +18023.3% latency_stats.sum.call_rwsem_down_read_failed.f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs dev-test
commit b9d777b85ff1ff79a1173190317b25bebc404ab4 ("f2fs: check inline_data flag at converting time")
=========================================================================================
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/f2fs/1x/x86_64-rhel/16d/256fpd/32t/debian-x86_64-2015-02-07.cgz/NoSync/nhm4/60G/fsmark
commit:
74fd8d9927ef08db30a85f131a124152aeba66c7
b9d777b85ff1ff79a1173190317b25bebc404ab4
74fd8d9927ef08db b9d777b85ff1ff79a117319031
---------------- --------------------------
%stddev %change %stddev
\ | \
10.00 ± 0% -10.0% 9.00 ± 0% fsmark.time.percent_of_cpu_this_job_got
10.00 ± 0% -10.0% 9.00 ± 0% time.percent_of_cpu_this_job_got
2.35 ± 0% -3.7% 2.26 ± 0% turbostat.%Busy
67.30 ± 0% -4.5% 64.30 ± 0% turbostat.Avg_MHz
2116 ± 1% -98.7% 27.20 ±110% proc-vmstat.kswapd_inodesteal
191431 ± 0% +18.2% 226316 ± 0% proc-vmstat.slabs_scanned
56566 ± 0% +21.3% 68612 ± 0% proc-vmstat.workingset_nodereclaim
1176917 ± 2% -100.0% 0.00 ± -1% latency_stats.avg.call_rwsem_down_read_failed.f2fs_convert_inline_inode.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
62312 ± 55% +1577.8% 1045503 ± 11% latency_stats.avg.call_rwsem_down_read_failed.f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
11969 ± 8% -100.0% 0.00 ± -1% latency_stats.hits.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].get_node_page.[f2fs].f2fs_convert_inline_inode.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write
1773702 ± 7% -100.0% 0.00 ± -1% latency_stats.max.call_rwsem_down_read_failed.f2fs_convert_inline_inode.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
3.041e+08 ± 2% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_read_failed.f2fs_convert_inline_inode.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
163413 ±112% +165.9% 434477 ±147% latency_stats.sum.call_rwsem_down_read_failed.f2fs_wait_on_page_writeback.[f2fs].f2fs_wait_on_page_writeback.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write
788095 ±164% -60.4% 312194 ±122% latency_stats.sum.call_rwsem_down_read_failed.f2fs_wait_on_page_writeback.[f2fs].f2fs_wait_on_page_writeback.[f2fs].update_inode.[f2fs].sync_inode_page.[f2fs].reserve_new_block.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.generic_file_write_iter
1743538 ± 56% +18023.3% 3.16e+08 ± 3% latency_stats.sum.call_rwsem_down_read_failed.f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
1677147 ± 9% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].get_node_page.[f2fs].f2fs_convert_inline_inode.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write
nhm4: Nehalem
Memory: 4G
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" (3828 bytes)
Download attachment "reproduce.sh" of type "application/x-sh" (639 bytes)
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