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Date: Thu, 10 Apr 2014 20:41:37 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Jan Kara <jack@...e.cz>
Cc: LKML <linux-kernel@...r.kernel.org>, linux-fsdevel@...r.kernel.org,
lkp@...org
Subject: [writeback] 6903673566d: +2.5% fileio.requests_per_sec
Hi Jan,
I tried your writeback dirty list patchset and noticed some ups/downs.
The main performance changes are
1) +2.5% fileio.requests_per_sec
2) -7.1% iostat.md0.wkB/s
git://bee.sh.intel.com/git/wfg/linux-devel.git jan-dirty-list
commit 6903673566d0289680e593dac088c787d119b067 ("writeback: Replace several writeback lists with inode tagging")
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
6526 ~ 0% +3.2% 6736 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
6441 ~ 0% +1.8% 6558 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
12968 ~ 0% +2.5% 13295 ~ 0% TOTAL fileio.requests_per_sec
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
398147 ~ 0% -7.1% 369866 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
398147 ~ 0% -7.1% 369866 ~ 0% TOTAL iostat.md0.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
861 ~30% -78.7% 183 ~33% bay/micro/dd-write/1HDD-cfq-xfs-100dd
464 ~48% -91.7% 38 ~27% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
109 ~18% +54509.0% 59960 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1436 ~35% +4089.8% 60182 ~ 2% TOTAL proc-vmstat.nr_vmscan_immediate_reclaim
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
123 ~29% -94.3% 7 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
123 ~29% -94.3% 7 ~ 0% TOTAL ftrace.writeback_single_inode.md0.age
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
55 ~19% +19305.5% 10750 ~17% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
55 ~19% +19305.5% 10750 ~17% TOTAL numa-vmstat.node1.nr_vmscan_immediate_reclaim
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
38 ~26% +22737.7% 8815 ~17% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
38 ~26% +22737.7% 8815 ~17% TOTAL numa-vmstat.node0.nr_vmscan_immediate_reclaim
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
145 ~16% +668.1% 1115 ~17% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
145 ~16% +668.1% 1115 ~17% TOTAL proc-vmstat.pgrotated
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1477 ~ 0% +275.0% 5541 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1477 ~ 0% +275.0% 5541 ~ 1% TOTAL meminfo.Buffers
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1486 ~ 0% +273.3% 5546 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1486 ~ 0% +273.3% 5546 ~ 1% TOTAL vmstat.memory.buff
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
13328 ~ 0% -68.6% 4180 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
13328 ~ 0% -68.6% 4180 ~ 7% TOTAL proc-vmstat.pgpgin
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
0.36 ~11% -78.9% 0.08 ~16% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
0.12 ~ 6% -22.0% 0.09 ~ 8% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
0.48 ~10% -65.0% 0.17 ~11% TOTAL turbostat.%pc3
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
2 ~ 0% +50.0% 3 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1 ~ 0% +300.0% 4 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
3 ~ 0% +133.3% 7 ~ 0% TOTAL ftrace.writeback_single_inode.sda.age
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
105 ~11% +125.9% 237 ~ 9% bay/micro/dd-write/1HDD-cfq-xfs-10dd
105 ~11% +125.9% 237 ~ 9% TOTAL slabinfo.xfs_trans.active_objs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
105 ~11% +125.9% 237 ~ 9% bay/micro/dd-write/1HDD-cfq-xfs-10dd
105 ~11% +125.9% 237 ~ 9% TOTAL slabinfo.xfs_trans.num_objs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
868 ~ 2% +124.1% 1946 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
868 ~ 2% +124.1% 1946 ~ 1% TOTAL slabinfo.journal_head.active_objs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
868 ~ 2% +124.1% 1946 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
868 ~ 2% +124.1% 1946 ~ 1% TOTAL slabinfo.journal_head.num_objs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
725 ~ 9% +119.1% 1589 ~ 6% bay/micro/dd-write/1HDD-cfq-xfs-100dd
194 ~ 0% +56.2% 303 ~13% bay/micro/dd-write/1HDD-cfq-xfs-10dd
919 ~ 7% +105.8% 1892 ~ 7% TOTAL slabinfo.blkdev_ioc.num_objs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
725 ~ 9% +118.5% 1584 ~ 6% bay/micro/dd-write/1HDD-cfq-xfs-100dd
194 ~ 0% +56.2% 303 ~13% bay/micro/dd-write/1HDD-cfq-xfs-10dd
919 ~ 7% +105.3% 1887 ~ 7% TOTAL slabinfo.blkdev_ioc.active_objs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
13970 ~20% -35.8% 8963 ~12% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
13970 ~20% -35.8% 8963 ~12% TOTAL numa-vmstat.node1.nr_anon_pages
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
55871 ~20% -35.8% 35844 ~12% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
55871 ~20% -35.8% 35844 ~12% TOTAL numa-meminfo.node1.AnonPages
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
55793 ~20% -35.9% 35791 ~12% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
55793 ~20% -35.9% 35791 ~12% TOTAL numa-meminfo.node1.Active(anon)
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
13949 ~20% -35.8% 8950 ~12% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
13949 ~20% -35.8% 8950 ~12% TOTAL numa-vmstat.node1.nr_active_anon
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
0.64 ~ 8% +53.1% 0.98 ~ 3% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
0.64 ~ 8% +53.1% 0.98 ~ 3% TOTAL perf-profile.cpu-cycles.sys_write.system_call_fastpath.write
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
727 ~ 1% +41.3% 1027 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
727 ~ 1% +41.3% 1027 ~ 1% TOTAL slabinfo.dquot.num_objs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
727 ~ 1% +41.3% 1027 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
727 ~ 1% +41.3% 1027 ~ 1% TOTAL slabinfo.dquot.active_objs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
17 ~ 4% -17.6% 14 ~13% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
17 ~ 4% -17.6% 14 ~13% TOTAL ftrace.balance_dirty_pages.sdj.think
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
41483 ~ 1% -25.4% 30966 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
41483 ~ 1% -25.4% 30966 ~ 0% TOTAL ftrace.writeback_single_inode.md0.wrote
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
0.42 ~26% -35.4% 0.27 ~ 9% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
0.42 ~26% -35.4% 0.27 ~ 9% TOTAL turbostat.%pc6
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.00 ~ 3% +33.3% 1.33 ~ 5% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1.00 ~ 3% +33.3% 1.33 ~ 5% TOTAL perf-profile.cpu-cycles.__generic_file_aio_write.generic_file_aio_write.ext4_file_write.do_sync_write.vfs_write
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
0.52 ~24% +66.5% 0.87 ~25% bay/micro/dd-write/1HDD-cfq-xfs-10dd
0.52 ~24% +66.5% 0.87 ~25% TOTAL perf-profile.cpu-cycles.do_sync_write.vfs_write.sys_write.system_call_fastpath.write
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
17614 ~ 0% -18.5% 14355 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
39820 ~ 2% -20.9% 31511 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
57435 ~ 1% -20.1% 45866 ~ 0% TOTAL proc-vmstat.nr_writeback
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
70430 ~ 0% -18.5% 57410 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
159175 ~ 2% -21.0% 125784 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
229605 ~ 1% -20.2% 183195 ~ 0% TOTAL meminfo.Writeback
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
8.14 ~ 8% -16.0% 6.83 ~ 8% bay/micro/dd-write/1HDD-cfq-xfs-100dd
8.14 ~ 8% -16.0% 6.83 ~ 8% TOTAL perf-profile.cpu-cycles.__block_write_begin.xfs_vm_write_begin.generic_file_buffered_write.xfs_file_buffered_aio_write.xfs_file_aio_write
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
17680 ~ 0% -18.2% 14463 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
39997 ~ 1% -20.6% 31757 ~ 2% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
57677 ~ 1% -19.9% 46220 ~ 1% TOTAL ftrace.global_dirty_state.writeback
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
31031 ~ 5% -23.4% 23763 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-100dd
439570 ~ 3% +11.8% 491310 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-10dd
470602 ~ 3% +9.4% 515073 ~ 1% TOTAL ftrace.writeback_single_inode.sda.index
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
2239375 ~ 5% -20.2% 1787786 ~ 3% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
2239375 ~ 5% -20.2% 1787786 ~ 3% TOTAL ftrace.writeback_single_inode.md0.index
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
0.89 ~ 9% -20.0% 0.71 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
0.89 ~ 9% -20.0% 0.71 ~ 1% TOTAL perf-profile.cpu-cycles.vfs_read.sys_read.system_call_fastpath.read
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
518 ~ 1% +21.7% 630 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-100dd
4406 ~ 0% -17.6% 3629 ~ 2% bay/micro/dd-write/1HDD-cfq-xfs-10dd
4924 ~ 0% -13.5% 4260 ~ 2% TOTAL ftrace.writeback_single_inode.sda.wrote
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
2.46 ~10% -16.8% 2.05 ~ 5% bay/micro/dd-write/1HDD-cfq-xfs-100dd
2.46 ~10% -16.8% 2.05 ~ 5% TOTAL perf-profile.cpu-cycles.__clear_user.read_zero.read_zero.vfs_read.sys_read
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
0.77 ~ 7% -14.5% 0.66 ~ 7% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
0.77 ~ 7% -14.5% 0.66 ~ 7% TOTAL turbostat.%pc2
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
753 ~ 6% -17.2% 623 ~ 4% bay/micro/dd-write/1HDD-cfq-xfs-100dd
753 ~ 6% -17.2% 623 ~ 4% TOTAL ftrace.bdi_dirty_ratelimit.sda.task_ratelimit
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.45 ~ 7% -18.5% 1.18 ~14% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1.45 ~ 7% -18.5% 1.18 ~14% TOTAL perf-profile.cpu-cycles.xfs_file_aio_write.do_sync_write.vfs_write.sys_write.system_call_fastpath
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
67019 ~ 5% -15.5% 56616 ~ 3% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
67019 ~ 5% -15.5% 56616 ~ 3% TOTAL numa-vmstat.node1.nr_free_pages
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
268013 ~ 5% -15.6% 226330 ~ 3% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
268013 ~ 5% -15.6% 226330 ~ 3% TOTAL numa-meminfo.node1.MemFree
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
2.716e+08 ~ 7% -10.2% 2.438e+08 ~ 8% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
2.716e+08 ~ 7% -10.2% 2.438e+08 ~ 8% TOTAL cpuidle.C1-NHM.time
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.30 ~ 6% +15.0% 1.49 ~ 3% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1.30 ~ 6% +15.0% 1.49 ~ 3% TOTAL perf-profile.cpu-cycles.jbd2_journal_stop.__ext4_journal_stop.ext4_da_write_end.generic_file_buffered_write.__generic_file_aio_write
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
5624475 ~ 0% -14.3% 4817546 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
5624475 ~ 0% -14.3% 4817546 ~ 0% TOTAL ftrace.global_dirty_state.written
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
5665317 ~ 0% -14.2% 4858497 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
5665317 ~ 0% -14.2% 4858497 ~ 0% TOTAL ftrace.global_dirty_state.dirtied
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
284093 ~ 0% -14.3% 243524 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
284093 ~ 0% -14.3% 243524 ~ 1% TOTAL softirqs.TIMER
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
144616 ~ 2% -13.1% 125601 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
144616 ~ 2% -13.1% 125601 ~ 0% TOTAL interrupts.RES
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
10513311 ~ 1% -14.2% 9018488 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
10513311 ~ 1% -14.2% 9018488 ~ 0% TOTAL proc-vmstat.pgsteal_kswapd_dma32
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
10616278 ~ 1% -14.1% 9120337 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
10616278 ~ 1% -14.1% 9120337 ~ 0% TOTAL proc-vmstat.pgdeactivate
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
10646283 ~ 1% -14.1% 9150342 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
10646283 ~ 1% -14.1% 9150342 ~ 0% TOTAL proc-vmstat.pgrefill_dma32
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
10700780 ~ 1% -13.9% 9213386 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
10700780 ~ 1% -13.9% 9213386 ~ 0% TOTAL proc-vmstat.pgscan_kswapd_dma32
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
97209 ~ 0% +16.0% 112763 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
97209 ~ 0% +16.0% 112763 ~ 0% TOTAL interrupts.46:PCI-MSI-edge.ahci
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
48817 ~ 0% +15.8% 56548 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
48817 ~ 0% +15.8% 56548 ~ 0% TOTAL interrupts.CAL
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
32 ~ 2% +13.7% 36 ~ 2% bay/micro/dd-write/1HDD-cfq-xfs-10dd
32 ~ 2% +13.7% 36 ~ 2% TOTAL ftrace.balance_dirty_pages.sda.pause
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
42947776 ~ 1% -13.8% 37036031 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
42947776 ~ 1% -13.8% 37036031 ~ 0% TOTAL proc-vmstat.pgpgout
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
10738479 ~ 1% -13.8% 9260807 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
10738479 ~ 1% -13.8% 9260807 ~ 0% TOTAL proc-vmstat.nr_written
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
10756692 ~ 1% -13.7% 9282691 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
10756692 ~ 1% -13.7% 9282691 ~ 0% TOTAL proc-vmstat.nr_dirtied
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
71616 ~ 1% -13.6% 61867 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
71616 ~ 1% -13.6% 61867 ~ 0% TOTAL ftrace.bdi_dirty_ratelimit.sda.write_bw
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
72368 ~ 1% -13.7% 62469 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
72368 ~ 1% -13.7% 62469 ~ 0% TOTAL ftrace.bdi_dirty_ratelimit.sda.dirty_rate
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
50797 ~ 0% +15.3% 58562 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
50797 ~ 0% +15.3% 58562 ~ 0% TOTAL softirqs.BLOCK
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
71851 ~ 1% -13.5% 62185 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
71851 ~ 1% -13.5% 62185 ~ 0% TOTAL ftrace.bdi_dirty_ratelimit.sda.awrite_bw
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
11603962 ~ 1% -12.9% 10106747 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
11603962 ~ 1% -12.9% 10106747 ~ 0% TOTAL proc-vmstat.pgfree
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
11598185 ~ 1% -12.9% 10103278 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
11598185 ~ 1% -12.9% 10103278 ~ 0% TOTAL proc-vmstat.numa_local
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
11598185 ~ 1% -12.9% 10103278 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
11598185 ~ 1% -12.9% 10103278 ~ 0% TOTAL proc-vmstat.numa_hit
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
11615252 ~ 1% -12.9% 10119889 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
11615252 ~ 1% -12.9% 10119889 ~ 0% TOTAL proc-vmstat.pgalloc_dma32
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
23008 ~ 1% +14.2% 26276 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
23008 ~ 1% +14.2% 26276 ~ 0% TOTAL proc-vmstat.nr_dirty
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
92088 ~ 1% +14.2% 105124 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
92088 ~ 1% +14.2% 105124 ~ 0% TOTAL meminfo.Dirty
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
23126 ~ 1% +14.3% 26444 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
23126 ~ 1% +14.3% 26444 ~ 0% TOTAL ftrace.global_dirty_state.dirty
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.78 ~17% -30.2% 1.24 ~14% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1.78 ~17% -30.2% 1.24 ~14% TOTAL perf-profile.cpu-cycles.generic_file_buffered_write.xfs_file_buffered_aio_write.xfs_file_aio_write.do_sync_write.vfs_write
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
541298 ~ 1% -11.9% 476647 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
541298 ~ 1% -11.9% 476647 ~ 0% TOTAL meminfo.MemFree
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
135390 ~ 1% -11.9% 119229 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
135390 ~ 1% -11.9% 119229 ~ 0% TOTAL proc-vmstat.nr_free_pages
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
32 ~ 2% +12.2% 36 ~ 2% bay/micro/dd-write/1HDD-cfq-xfs-10dd
32 ~ 2% +12.2% 36 ~ 2% TOTAL ftrace.balance_dirty_pages.sda.period
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
550275 ~ 1% -11.1% 489385 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
550275 ~ 1% -11.1% 489385 ~ 0% TOTAL vmstat.memory.free
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
362273 ~ 1% -11.0% 322470 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
362273 ~ 1% -11.0% 322470 ~ 0% TOTAL proc-vmstat.pgactivate
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
4191 ~ 1% -10.0% 3772 ~ 2% bay/micro/dd-write/1HDD-cfq-xfs-10dd
4191 ~ 1% -10.0% 3772 ~ 2% TOTAL proc-vmstat.kswapd_high_wmark_hit_quickly
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
516 ~ 5% +13.4% 585 ~ 5% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
516 ~ 5% +13.4% 585 ~ 5% TOTAL numa-vmstat.node0.nr_page_table_pages
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1085 ~ 5% +10.0% 1194 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1085 ~ 5% +10.0% 1194 ~ 2% TOTAL slabinfo.task_struct.num_objs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
31 ~ 1% -8.2% 29 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
31 ~ 1% -8.2% 29 ~ 0% TOTAL ftrace.balance_dirty_pages.sda.dirtied_pause
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
227121 ~ 0% -9.4% 205850 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
227121 ~ 0% -9.4% 205850 ~ 1% TOTAL softirqs.RCU
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
2055 ~ 5% +13.5% 2332 ~ 5% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
2055 ~ 5% +13.5% 2332 ~ 5% TOTAL numa-meminfo.node0.PageTables
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1069 ~ 3% -10.8% 954 ~ 4% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1069 ~ 3% -10.8% 954 ~ 4% TOTAL ftrace.balance_dirty_pages.sda.task_ratelimit
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
23923 ~ 0% -76.5% 5626 ~11% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
23923 ~ 0% -76.5% 5626 ~11% TOTAL time.file_system_inputs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
4.79 ~ 2% +806.0% 43.40 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1.64 ~ 0% +3.8% 1.71 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
6.43 ~ 2% +601.0% 45.11 ~ 1% TOTAL iostat.sda.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
546 ~ 2% +91.7% 1047 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
546 ~ 2% +91.7% 1047 ~ 0% TOTAL iostat.sdj.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
129 ~ 2% +91.6% 248 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
129 ~ 2% +91.6% 248 ~ 0% TOTAL iostat.sdj.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
538 ~ 1% +92.4% 1035 ~ 2% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
538 ~ 1% +92.4% 1035 ~ 2% TOTAL iostat.sde.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
127 ~ 1% +92.2% 244 ~ 2% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
127 ~ 1% +92.2% 244 ~ 2% TOTAL iostat.sde.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
535 ~ 1% +91.6% 1026 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
535 ~ 1% +91.6% 1026 ~ 1% TOTAL iostat.sdd.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
126 ~ 1% +91.5% 242 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
126 ~ 1% +91.5% 242 ~ 1% TOTAL iostat.sdd.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
551 ~ 2% +89.5% 1045 ~ 2% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
551 ~ 2% +89.5% 1045 ~ 2% TOTAL iostat.sdf.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
130 ~ 2% +89.3% 247 ~ 2% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
130 ~ 2% +89.3% 247 ~ 2% TOTAL iostat.sdf.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
538 ~ 1% +92.2% 1034 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
538 ~ 1% +92.2% 1034 ~ 0% TOTAL iostat.sdc.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
127 ~ 1% +92.0% 244 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
127 ~ 1% +92.0% 244 ~ 0% TOTAL iostat.sdc.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
543 ~ 1% +91.8% 1041 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
543 ~ 1% +91.8% 1041 ~ 1% TOTAL iostat.sdi.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
128 ~ 1% +91.6% 246 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
128 ~ 1% +91.6% 246 ~ 1% TOTAL iostat.sdi.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
129 ~ 1% +91.2% 247 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
129 ~ 1% +91.2% 247 ~ 1% TOTAL iostat.sdb.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
545 ~ 1% +91.3% 1043 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
545 ~ 1% +91.3% 1043 ~ 1% TOTAL iostat.sdb.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
546 ~ 2% +91.1% 1045 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
546 ~ 2% +91.1% 1045 ~ 1% TOTAL iostat.sdh.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
129 ~ 2% +91.1% 247 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
129 ~ 2% +91.1% 247 ~ 1% TOTAL iostat.sdh.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
552 ~ 2% +88.6% 1041 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
552 ~ 2% +88.6% 1041 ~ 1% TOTAL iostat.sdl.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
130 ~ 2% +88.6% 246 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
130 ~ 2% +88.6% 246 ~ 1% TOTAL iostat.sdl.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
556 ~ 2% +88.5% 1048 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
556 ~ 2% +88.5% 1048 ~ 1% TOTAL iostat.sdg.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
131 ~ 2% +88.4% 248 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
131 ~ 2% +88.4% 248 ~ 1% TOTAL iostat.sdg.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
555 ~ 3% +88.2% 1044 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
555 ~ 3% +88.2% 1044 ~ 1% TOTAL iostat.sdk.rkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
131 ~ 3% +88.1% 247 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
131 ~ 3% +88.1% 247 ~ 1% TOTAL iostat.sdk.rrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
3290 ~ 1% -69.0% 1019 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
3596794 ~ 0% +3.3% 3714366 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
3546724 ~ 0% +1.9% 3614254 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
7146809 ~ 0% +2.6% 7329639 ~ 0% TOTAL time.voluntary_context_switches
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
879 ~ 1% -25.2% 657 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
879 ~ 1% -25.2% 657 ~ 0% TOTAL iostat.sda.avgrq-sz
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
48923640 ~ 7% +33.4% 65269752 ~ 7% bay/micro/dd-write/1HDD-cfq-xfs-10dd
48923640 ~ 7% +33.4% 65269752 ~ 7% TOTAL perf-stat.dTLB-store-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.478e+10 ~13% +18.6% 1.753e+10 ~ 5% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1.478e+10 ~13% +18.6% 1.753e+10 ~ 5% TOTAL perf-stat.dTLB-load-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
161 ~ 0% +16.0% 186 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
161 ~ 0% +16.0% 186 ~ 0% TOTAL iostat.sda.w/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
877 ~ 0% -12.9% 763 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
877 ~ 0% -12.9% 763 ~ 0% TOTAL iostat.sda.await
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
877 ~ 0% -12.9% 763 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
877 ~ 0% -12.9% 763 ~ 0% TOTAL iostat.sda.w_await
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9.069e+08 ~ 1% +6.2% 9.628e+08 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
3.994e+09 ~ 1% +8.0% 4.312e+09 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
1.377e+10 ~ 0% -18.7% 1.12e+10 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1.867e+10 ~ 1% -11.8% 1.648e+10 ~ 0% TOTAL perf-stat.branch-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
3.005e+08 ~ 2% -11.1% 2.67e+08 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
3.005e+08 ~ 2% -11.1% 2.67e+08 ~ 0% TOTAL perf-stat.LLC-stores
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.477e+11 ~ 0% -14.4% 1.265e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
2.034e+11 ~ 0% -7.9% 1.874e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
9.544e+11 ~ 0% -8.2% 8.766e+11 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
1.306e+12 ~ 0% -8.8% 1.191e+12 ~ 0% TOTAL perf-stat.dTLB-loads
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
4.27e+11 ~ 2% -14.2% 3.664e+11 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-100dd
5.714e+11 ~ 1% -7.1% 5.306e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
3.604e+12 ~ 0% -7.3% 3.341e+12 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
4.603e+12 ~ 0% -7.9% 4.238e+12 ~ 0% TOTAL perf-stat.L1-icache-loads
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
93487860 ~ 2% -16.4% 78168769 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1.09e+08 ~ 0% -4.3% 1.044e+08 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
1.792e+09 ~ 0% -7.1% 1.665e+09 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
1.995e+09 ~ 0% -7.4% 1.847e+09 ~ 0% TOTAL perf-stat.LLC-store-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.484e+11 ~ 1% -14.5% 1.269e+11 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-100dd
2.041e+11 ~ 0% -7.6% 1.886e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
9.549e+11 ~ 0% -8.1% 8.778e+11 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
1.489e+12 ~ 0% +3.0% 1.534e+12 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
2.797e+12 ~ 0% -2.5% 2.728e+12 ~ 1% TOTAL perf-stat.L1-dcache-loads
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
7.739e+10 ~ 2% -12.1% 6.799e+10 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1.104e+11 ~ 0% -6.6% 1.031e+11 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-10dd
4.741e+11 ~ 0% -6.5% 4.432e+11 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
6.618e+11 ~ 0% -7.2% 6.143e+11 ~ 0% TOTAL perf-stat.branch-loads
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
3.927e+11 ~ 2% -11.8% 3.465e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
5.519e+11 ~ 1% -5.8% 5.198e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
2.415e+12 ~ 0% -6.9% 2.25e+12 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
3.36e+12 ~ 0% -7.3% 3.116e+12 ~ 0% TOTAL perf-stat.instructions
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9.313e+10 ~ 1% -12.4% 8.163e+10 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1.283e+11 ~ 0% -5.2% 1.217e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
5.998e+11 ~ 0% -7.0% 5.576e+11 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
8.213e+11 ~ 0% -7.3% 7.609e+11 ~ 0% TOTAL perf-stat.L1-dcache-stores
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9.304e+10 ~ 1% -12.2% 8.167e+10 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1.284e+11 ~ 1% -5.7% 1.211e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
5.981e+11 ~ 0% -6.3% 5.603e+11 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
8.196e+11 ~ 0% -6.9% 7.631e+11 ~ 0% TOTAL perf-stat.dTLB-stores
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
7.728e+10 ~ 1% -11.9% 6.808e+10 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1.096e+11 ~ 0% -6.2% 1.028e+11 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-10dd
4.747e+11 ~ 0% -6.7% 4.43e+11 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
6.615e+11 ~ 0% -7.2% 6.139e+11 ~ 0% TOTAL perf-stat.branch-instructions
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
3.934e+11 ~ 1% -11.9% 3.466e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
5.51e+11 ~ 1% -6.1% 5.174e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
2.417e+12 ~ 0% -6.5% 2.261e+12 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
3.362e+12 ~ 0% -7.0% 3.125e+12 ~ 0% TOTAL perf-stat.iTLB-loads
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
6.663e+08 ~ 3% +7.5% 7.164e+08 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
6.663e+08 ~ 3% +7.5% 7.164e+08 ~ 1% TOTAL perf-stat.LLC-prefetch-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
6.128e+10 ~ 1% -11.2% 5.441e+10 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
7.652e+10 ~ 0% -5.6% 7.222e+10 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-10dd
5.005e+11 ~ 0% -6.6% 4.677e+11 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
6.383e+11 ~ 0% -6.9% 5.944e+11 ~ 0% TOTAL perf-stat.bus-cycles
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
100757 ~ 7% -17.1% 83525 ~ 2% bay/micro/dd-write/1HDD-cfq-xfs-100dd
75328 ~ 2% -4.8% 71699 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
229589 ~ 0% +1.8% 233703 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
405674 ~ 2% -4.1% 388927 ~ 1% TOTAL perf-stat.cpu-migrations
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.753e+09 ~ 2% -6.7% 1.635e+09 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-100dd
3.862e+10 ~ 0% -6.5% 3.609e+10 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
4.037e+10 ~ 0% -6.5% 3.773e+10 ~ 1% TOTAL perf-stat.L1-dcache-load-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9670 ~ 0% -7.0% 8996 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9670 ~ 0% -7.0% 8996 ~ 0% TOTAL iostat.sdd.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9671 ~ 0% -7.0% 8996 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9671 ~ 0% -7.0% 8996 ~ 0% TOTAL iostat.sdl.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9670 ~ 0% -7.0% 8997 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9670 ~ 0% -7.0% 8997 ~ 0% TOTAL iostat.sdg.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9672 ~ 0% -7.0% 8997 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9672 ~ 0% -7.0% 8997 ~ 0% TOTAL iostat.sdj.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9671 ~ 0% -7.0% 8996 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9671 ~ 0% -7.0% 8996 ~ 0% TOTAL iostat.sdk.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9670 ~ 0% -7.0% 8996 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9670 ~ 0% -7.0% 8996 ~ 0% TOTAL iostat.sdf.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9671 ~ 0% -7.0% 8996 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9671 ~ 0% -7.0% 8996 ~ 0% TOTAL iostat.sdb.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9671 ~ 0% -7.0% 8996 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9671 ~ 0% -7.0% 8996 ~ 0% TOTAL iostat.sdc.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9670 ~ 0% -6.9% 8998 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9670 ~ 0% -6.9% 8998 ~ 0% TOTAL iostat.sdh.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39934 ~ 0% -6.9% 37184 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
39934 ~ 0% -6.9% 37184 ~ 0% TOTAL iostat.sdd.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9670 ~ 0% -7.0% 8998 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9670 ~ 0% -7.0% 8998 ~ 0% TOTAL iostat.sde.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9672 ~ 0% -7.0% 9000 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9672 ~ 0% -7.0% 9000 ~ 0% TOTAL iostat.sdi.wrqm/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39938 ~ 0% -6.9% 37180 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
39938 ~ 0% -6.9% 37180 ~ 0% TOTAL iostat.sdl.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39932 ~ 0% -6.9% 37188 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
39932 ~ 0% -6.9% 37188 ~ 0% TOTAL iostat.sdg.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39943 ~ 0% -6.9% 37188 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
39943 ~ 0% -6.9% 37188 ~ 0% TOTAL iostat.sdj.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39938 ~ 0% -6.9% 37184 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
39938 ~ 0% -6.9% 37184 ~ 0% TOTAL iostat.sdk.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
5.549e+11 ~ 1% -11.4% 4.915e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
6.897e+11 ~ 0% -5.5% 6.517e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
4.012e+12 ~ 0% -6.7% 3.745e+12 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
5.776e+12 ~ 1% +5.4% 6.087e+12 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1.103e+13 ~ 0% -0.5% 1.098e+13 ~ 1% TOTAL perf-stat.ref-cycles
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39933 ~ 0% -6.9% 37182 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
39933 ~ 0% -6.9% 37182 ~ 0% TOTAL iostat.sdf.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39935 ~ 0% -6.9% 37181 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
39935 ~ 0% -6.9% 37181 ~ 0% TOTAL iostat.sdb.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39937 ~ 0% -6.9% 37183 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
39937 ~ 0% -6.9% 37183 ~ 0% TOTAL iostat.sdc.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39932 ~ 0% -6.9% 37189 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
39932 ~ 0% -6.9% 37189 ~ 0% TOTAL iostat.sde.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39940 ~ 0% -6.9% 37198 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
39940 ~ 0% -6.9% 37198 ~ 0% TOTAL iostat.sdi.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
4.924e+11 ~ 1% -12.1% 4.326e+11 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-100dd
6.465e+11 ~ 0% -5.1% 6.136e+11 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
4.012e+12 ~ 0% -6.7% 3.744e+12 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
5.844e+12 ~ 1% +4.0% 6.078e+12 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1.1e+13 ~ 0% -1.2% 1.087e+13 ~ 1% TOTAL perf-stat.cpu-cycles
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
3114 ~ 0% -6.7% 2904 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
3114 ~ 0% -6.7% 2904 ~ 0% TOTAL iostat.md0.w/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
7.507e+09 ~ 1% -11.4% 6.648e+09 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
9.442e+09 ~ 1% -2.7% 9.183e+09 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
7.953e+10 ~ 0% -6.2% 7.464e+10 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
1.016e+10 ~ 1% +6.2% 1.08e+10 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1.066e+11 ~ 0% -5.0% 1.013e+11 ~ 0% TOTAL perf-stat.L1-dcache-store-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.429e+08 ~ 3% +6.7% 1.524e+08 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1.429e+08 ~ 3% +6.7% 1.524e+08 ~ 1% TOTAL perf-stat.node-prefetch-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
3.414e+08 ~ 1% -10.2% 3.064e+08 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
3.344e+08 ~ 0% -5.7% 3.153e+08 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
4.325e+09 ~ 0% -6.5% 4.045e+09 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
7.883e+09 ~ 2% +4.2% 8.21e+09 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
1.288e+10 ~ 2% -0.0% 1.288e+10 ~ 1% TOTAL perf-stat.cache-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
2.17e+08 ~ 1% -9.4% 1.965e+08 ~ 2% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1.8e+08 ~ 1% -3.2% 1.741e+08 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-10dd
1.902e+09 ~ 0% -6.6% 1.776e+09 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
2.298e+09 ~ 0% -6.6% 2.146e+09 ~ 0% TOTAL perf-stat.LLC-load-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
15 ~ 0% +6.7% 16 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
15 ~ 0% +6.7% 16 ~ 0% TOTAL time.percent_of_cpu_this_job_got
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
71087 ~ 1% -13.7% 61323 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
96152 ~ 0% -4.6% 91690 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
398295 ~ 0% -7.1% 369881 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
101932 ~ 0% +3.3% 105271 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
100595 ~ 0% +1.9% 102504 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
768062 ~ 0% -4.9% 730670 ~ 0% TOTAL vmstat.io.bo
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
71101 ~ 1% -13.7% 61338 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
96102 ~ 0% -4.6% 91674 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
101782 ~ 0% +3.3% 105125 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
100447 ~ 0% +1.9% 102354 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
369434 ~ 0% -2.4% 360491 ~ 0% TOTAL iostat.sda.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
6.563e+08 ~ 5% +7.1% 7.03e+08 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
6.563e+08 ~ 5% +7.1% 7.03e+08 ~ 0% TOTAL perf-stat.node-prefetches
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
3.096e+09 ~ 0% +8.9% 3.373e+09 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-10dd
1.218e+10 ~ 0% +8.2% 1.318e+10 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
3.118e+11 ~ 0% +1.9% 3.177e+11 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
3.271e+11 ~ 0% +2.2% 3.342e+11 ~ 1% TOTAL perf-stat.L1-icache-load-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1144176 ~ 2% -6.4% 1071004 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
844745 ~ 0% -5.9% 795214 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
1988921 ~ 1% -6.2% 1866219 ~ 0% TOTAL perf-stat.context-switches
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.193e+09 ~ 1% -4.4% 1.141e+09 ~ 1% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1.705e+10 ~ 1% -6.2% 1.599e+10 ~ 2% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
1.824e+10 ~ 1% -6.1% 1.713e+10 ~ 2% TOTAL perf-stat.LLC-loads
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
9.048e+08 ~ 1% +6.4% 9.628e+08 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
4.005e+09 ~ 1% +7.6% 4.309e+09 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
9.552e+11 ~ 0% -2.5% 9.314e+11 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
9.601e+11 ~ 0% -2.4% 9.367e+11 ~ 0% TOTAL perf-stat.branch-load-misses
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
39933 ~ 0% -6.9% 37192 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
63184 ~ 0% +1.8% 64293 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
103117 ~ 0% -1.6% 101486 ~ 0% TOTAL iostat.sdh.wkB/s
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1887 ~ 2% -6.4% 1766 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-100dd
1394 ~ 0% -5.9% 1311 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
12273 ~ 0% +3.2% 12672 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
12106 ~ 0% +2.0% 12349 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
27661 ~ 0% +1.6% 28099 ~ 0% TOTAL vmstat.system.cs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
7.941e+09 ~ 0% +6.4% 8.451e+09 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
4.571e+10 ~ 0% +2.1% 4.666e+10 ~ 1% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
5.365e+10 ~ 0% +2.7% 5.511e+10 ~ 0% TOTAL perf-stat.cache-references
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.779e+08 ~ 0% -4.5% 1.698e+08 ~ 2% bay/micro/dd-write/1HDD-cfq-xfs-100dd
2.702e+09 ~ 0% -2.5% 2.634e+09 ~ 0% lkp-st02/micro/dd-write/11HDD-RAID5-cfq-xfs-10dd
2.88e+09 ~ 0% -2.6% 2.804e+09 ~ 1% TOTAL perf-stat.L1-dcache-prefetches
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
15.16 ~ 1% +2.5% 15.54 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
6.83 ~ 0% +3.4% 7.07 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
7.43 ~ 0% +1.8% 7.56 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
29.42 ~ 0% +2.5% 30.17 ~ 0% TOTAL turbostat.%c0
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
1.253e+08 ~ 0% +3.2% 1.294e+08 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
1.237e+08 ~ 0% +1.8% 1.259e+08 ~ 0% snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
2.49e+08 ~ 0% +2.5% 2.553e+08 ~ 0% TOTAL time.file_system_outputs
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
135 ~ 0% +1.5% 137 ~ 0% bay/micro/dd-write/1HDD-cfq-xfs-10dd
135 ~ 0% +1.5% 137 ~ 0% TOTAL iostat.sda.avgqu-sz
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
139 ~ 0% +1.1% 141 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
139 ~ 0% +1.1% 141 ~ 0% TOTAL iostat.sdg.avgqu-sz
836ecc5f024669e 6903673566d0289680e593dac
--------------- -------------------------
139 ~ 0% +0.9% 141 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
139 ~ 0% +0.9% 141 ~ 0% TOTAL iostat.sdj.avgqu-sz
Legend:
~XX% - stddev percent
[+-]XX% - change percent
time.voluntary_context_switches
3500 ++----------------------------------------*-------------------------+
*...*...*..*...*...*...*..*...*...*...*. *...*...*...*..*...*...*
3000 ++ |
| |
| |
2500 ++ |
| O |
2000 ++ |
| O |
1500 ++ |
| O O O O O |
| O O O O O O O |
1000 O+ O O |
| O |
500 ++------------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
Thanks,
Fengguang
--
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