From: Fengguang Wu <fengguang.wu@intel.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>,
Ye Xiaolong <xiaolong.ye@intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Bob Peterson <rpeterso@redhat.com>, LKP <lkp@01.org>
Subject: Re: [LKP] [lkp] [xfs] 68a9f5e700: aim7.jobs-per-min -13.6% regression
Date: Mon, 15 Aug 2016 22:14:55 +0800 [thread overview]
Message-ID: <20160815141455.GA22903@wfg-t540p.sh.intel.com> (raw)
In-Reply-To: <20160814161724.GA20274@lst.de>
Hi Christoph,
On Sun, Aug 14, 2016 at 06:17:24PM +0200, Christoph Hellwig wrote:
>Snipping the long contest:
>
>I think there are three observations here:
>
> (1) removing the mark_page_accessed (which is the only significant
> change in the parent commit) hurts the
> aim7/1BRD_48G-xfs-disk_rr-3000-performance/ivb44 test.
> I'd still rather stick to the filemap version and let the
> VM people sort it out. How do the numbers for this test
> look for XFS vs say ext4 and btrfs?
> (2) lots of additional spinlock contention in the new case. A quick
> check shows that I fat-fingered my rewrite so that we do
> the xfs_inode_set_eofblocks_tag call now for the pure lookup
> case, and pretty much all new cycles come from that.
> (3) Boy, are those xfs_inode_set_eofblocks_tag calls expensive, and
> we're already doing way to many even without my little bug above.
>
>So I've force pushed a new version of the iomap-fixes branch with
>(2) fixed, and also a little patch to xfs_inode_set_eofblocks_tag a
>lot less expensive slotted in before that. Would be good to see
>the numbers with that.
The aim7 1BRD tests finished and there are ups and downs, with overall
performance remain flat.
99091700659f4df9 74a242ad94d13436a1644c0b45 bf4dc6e4ecc2a3d042029319bc testcase/testparams/testbox
---------------- -------------------------- -------------------------- ---------------------------
%stddev %change %stddev %change %stddev
\ | \ | \
159926 157324 158574 GEO-MEAN aim7.jobs-per-min
70897 5% 74137 4% 73775 aim7/1BRD_48G-xfs-creat-clo-1500-performance/ivb44
485217 ± 3% 492431 477533 aim7/1BRD_48G-xfs-disk_rd-9000-performance/ivb44
360451 -19% 292980 -17% 299377 aim7/1BRD_48G-xfs-disk_rr-3000-performance/ivb44
338114 338410 5% 354078 aim7/1BRD_48G-xfs-disk_rw-3000-performance/ivb44
60130 ± 5% 4% 62438 5% 62923 aim7/1BRD_48G-xfs-disk_src-3000-performance/ivb44
403144 397790 410648 aim7/1BRD_48G-xfs-disk_wrt-3000-performance/ivb44
26327 26534 26128 aim7/1BRD_48G-xfs-sync_disk_rw-600-performance/ivb44
The new commit bf4dc6e ("xfs: rewrite and optimize the delalloc write
path") improves the aim7/1BRD_48G-xfs-disk_rw-3000-performance/ivb44
case by 5%. Here are the detailed numbers:
aim7/1BRD_48G-xfs-disk_rw-3000-performance/ivb44
74a242ad94d13436 bf4dc6e4ecc2a3d042029319bc
---------------- --------------------------
%stddev %change %stddev
\ | \
338410 5% 354078 aim7.jobs-per-min
404390 8% 435117 aim7.time.voluntary_context_switches
2502 -4% 2396 aim7.time.maximum_resident_set_size
15018 -9% 13701 aim7.time.involuntary_context_switches
900 -11% 801 aim7.time.system_time
17432 11% 19365 vmstat.system.cs
47736 ± 19% -24% 36087 interrupts.CAL:Function_call_interrupts
2129646 31% 2790638 proc-vmstat.pgalloc_dma32
379503 13% 429384 numa-meminfo.node0.Dirty
15018 -9% 13701 time.involuntary_context_switches
900 -11% 801 time.system_time
1560 10% 1716 slabinfo.mnt_cache.active_objs
1560 10% 1716 slabinfo.mnt_cache.num_objs
61.53 -4 57.45 ± 4% perf-profile.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry
61.63 -4 57.55 ± 4% perf-profile.func.cycles-pp.intel_idle
1007188 ± 16% 156% 2577911 ± 6% numa-numastat.node0.numa_miss
9662857 ± 4% -13% 8420159 ± 3% numa-numastat.node0.numa_foreign
1008220 ± 16% 155% 2570630 ± 6% numa-numastat.node1.numa_foreign
9664033 ± 4% -13% 8413184 ± 3% numa-numastat.node1.numa_miss
26519887 ± 3% 18% 31322674 cpuidle.C1-IVT.time
122238 16% 142383 cpuidle.C1-IVT.usage
46548 11% 51645 cpuidle.C1E-IVT.usage
17253419 13% 19567582 cpuidle.C3-IVT.time
86847 13% 98333 cpuidle.C3-IVT.usage
482033 ± 12% 108% 1000665 ± 8% numa-vmstat.node0.numa_miss
94689 14% 107744 numa-vmstat.node0.nr_zone_write_pending
94677 14% 107718 numa-vmstat.node0.nr_dirty
3156643 ± 3% -20% 2527460 ± 3% numa-vmstat.node0.numa_foreign
429288 ± 12% 129% 983053 ± 8% numa-vmstat.node1.numa_foreign
3104193 ± 3% -19% 2510128 numa-vmstat.node1.numa_miss
6.43 ± 5% 51% 9.70 ± 11% turbostat.Pkg%pc2
0.30 28% 0.38 turbostat.CPU%c3
9.71 9.92 turbostat.RAMWatt
158 154 turbostat.PkgWatt
125 -3% 121 turbostat.CorWatt
1141 -6% 1078 turbostat.Avg_MHz
38.70 -6% 36.48 turbostat.%Busy
5.03 ± 11% -51% 2.46 ± 40% turbostat.Pkg%pc6
8.33 ± 48% 88% 15.67 ± 36% sched_debug.cfs_rq:/.runnable_load_avg.max
1947 ± 3% -12% 1710 ± 7% sched_debug.cfs_rq:/.spread0.stddev
1936 ± 3% -12% 1698 ± 8% sched_debug.cfs_rq:/.min_vruntime.stddev
2170 ± 10% -14% 1863 ± 6% sched_debug.cfs_rq:/.load_avg.max
220926 ± 18% 37% 303192 ± 5% sched_debug.cpu.avg_idle.stddev
0.06 ± 13% 357% 0.28 ± 23% sched_debug.rt_rq:/.rt_time.avg
0.37 ± 10% 240% 1.25 ± 15% sched_debug.rt_rq:/.rt_time.stddev
2.54 ± 10% 160% 6.59 ± 10% sched_debug.rt_rq:/.rt_time.max
0.32 ± 19% 29% 0.42 ± 10% perf-stat.dTLB-load-miss-rate
964727 7% 1028830 perf-stat.context-switches
176406 4% 184289 perf-stat.cpu-migrations
0.29 4% 0.30 perf-stat.branch-miss-rate
1.634e+09 1.673e+09 perf-stat.node-store-misses
23.60 23.99 perf-stat.node-store-miss-rate
40.01 40.57 perf-stat.cache-miss-rate
0.95 -8% 0.87 perf-stat.ipc
3.203e+12 -9% 2.928e+12 perf-stat.cpu-cycles
1.506e+09 -11% 1.345e+09 perf-stat.branch-misses
50.64 ± 13% -14% 43.45 ± 4% perf-stat.iTLB-load-miss-rate
5.285e+11 -14% 4.523e+11 perf-stat.branch-instructions
3.042e+12 -16% 2.551e+12 perf-stat.instructions
7.996e+11 -18% 6.584e+11 perf-stat.dTLB-loads
5.569e+11 ± 4% -18% 4.578e+11 perf-stat.dTLB-stores
Here are the detailed numbers for the slowed down case:
aim7/1BRD_48G-xfs-disk_rr-3000-performance/ivb44
99091700659f4df9 bf4dc6e4ecc2a3d042029319bc
---------------- --------------------------
%stddev change %stddev
\ | \
360451 -17% 299377 aim7.jobs-per-min
12806 481% 74447 aim7.time.involuntary_context_switches
755 44% 1086 aim7.time.system_time
50.17 20% 60.36 aim7.time.elapsed_time
50.17 20% 60.36 aim7.time.elapsed_time.max
438148 446012 aim7.time.voluntary_context_switches
37798 ± 16% 780% 332583 ± 8% interrupts.CAL:Function_call_interrupts
78.82 ± 5% 18% 93.35 ± 5% uptime.boot
2847 ± 7% 11% 3160 ± 7% uptime.idle
147490 ± 8% 34% 197261 ± 3% softirqs.RCU
648159 29% 839283 softirqs.TIMER
160830 10% 177144 softirqs.SCHED
3845352 ± 4% 91% 7349133 numa-numastat.node0.numa_miss
4686838 ± 5% 67% 7835640 numa-numastat.node0.numa_foreign
3848455 ± 4% 91% 7352436 numa-numastat.node1.numa_foreign
4689920 ± 5% 67% 7838734 numa-numastat.node1.numa_miss
50.17 20% 60.36 time.elapsed_time.max
12806 481% 74447 time.involuntary_context_switches
755 44% 1086 time.system_time
50.17 20% 60.36 time.elapsed_time
1563 18% 1846 time.percent_of_cpu_this_job_got
11699 ± 19% 3738% 449048 vmstat.io.bo
18836969 -16% 15789996 vmstat.memory.free
16 19% 19 vmstat.procs.r
19377 459% 108364 vmstat.system.cs
48255 11% 53537 vmstat.system.in
2357299 25% 2951384 meminfo.Inactive(file)
2366381 25% 2960468 meminfo.Inactive
1575292 -9% 1429971 meminfo.Cached
19342499 -17% 16100340 meminfo.MemFree
1057904 -20% 842987 meminfo.Dirty
1057 21% 1284 turbostat.Avg_MHz
35.78 21% 43.24 turbostat.%Busy
9.95 15% 11.47 turbostat.RAMWatt
74 ± 5% 10% 81 turbostat.CoreTmp
74 ± 4% 10% 81 turbostat.PkgTmp
118 8% 128 turbostat.CorWatt
151 7% 162 turbostat.PkgWatt
29.06 -23% 22.39 turbostat.CPU%c6
487 ± 89% 3e+04 26448 ± 57% latency_stats.max.down.xfs_buf_lock._xfs_buf_find.xfs_buf_get_map.xfs_buf_read_map.xfs_trans_read_buf_map.xfs_read_agf.xfs_alloc_read_agf.xfs_alloc_fix_freelist.xfs_free_extent_fix_freelist.xfs_free_extent.xfs_trans_free_extent
1823 ± 82% 2e+06 1913796 ± 38% latency_stats.sum.down.xfs_buf_lock._xfs_buf_find.xfs_buf_get_map.xfs_buf_read_map.xfs_trans_read_buf_map.xfs_read_agf.xfs_alloc_read_agf.xfs_alloc_fix_freelist.xfs_free_extent_fix_freelist.xfs_free_extent.xfs_trans_free_extent
208475 ± 43% 1e+06 1409494 ± 5% latency_stats.sum.wait_on_page_bit.truncate_inode_pages_range.truncate_inode_pages_final.evict.iput.dentry_unlink_inode.__dentry_kill.dput.__fput.____fput.task_work_run.exit_to_usermode_loop
6884 ± 73% 8e+04 90790 ± 9% latency_stats.sum.call_rwsem_down_read_failed.xfs_log_commit_cil.__xfs_trans_commit.xfs_trans_commit.xfs_vn_update_time.file_update_time.xfs_file_aio_write_checks.xfs_file_buffered_aio_write.xfs_file_write_iter.__vfs_write.vfs_write.SyS_write
1598 ± 20% 3e+04 35015 ± 27% latency_stats.sum.call_rwsem_down_read_failed.xfs_log_commit_cil.__xfs_trans_commit.__xfs_trans_roll.xfs_trans_roll.xfs_itruncate_extents.xfs_free_eofblocks.xfs_release.xfs_file_release.__fput.____fput.task_work_run
2006 ± 25% 3e+04 31143 ± 35% latency_stats.sum.call_rwsem_down_read_failed.xfs_log_commit_cil.__xfs_trans_commit.__xfs_trans_roll.xfs_trans_roll.xfs_itruncate_extents.xfs_inactive_truncate.xfs_inactive.xfs_fs_destroy_inode.destroy_inode.evict.iput
29 ±101% 1e+04 10214 ± 29% latency_stats.sum.call_rwsem_down_read_failed.xfs_log_commit_cil.__xfs_trans_commit.__xfs_trans_roll.xfs_trans_roll.xfs_defer_trans_roll.xfs_defer_finish.xfs_itruncate_extents.xfs_inactive_truncate.xfs_inactive.xfs_fs_destroy_inode.destroy_inode
1206 ± 51% 9e+03 9919 ± 25% latency_stats.sum.call_rwsem_down_read_failed.xfs_log_commit_cil.__xfs_trans_commit.xfs_trans_commit.xfs_vn_update_time.touch_atime.generic_file_read_iter.xfs_file_buffered_aio_read.xfs_file_read_iter.__vfs_read.vfs_read.SyS_read
29869205 ± 4% -10% 26804569 cpuidle.C1-IVT.time
5737726 39% 7952214 cpuidle.C1E-IVT.time
51141 17% 59958 cpuidle.C1E-IVT.usage
18377551 37% 25176426 cpuidle.C3-IVT.time
96067 17% 112045 cpuidle.C3-IVT.usage
1806811 12% 2024041 cpuidle.C6-IVT.usage
1104420 ± 36% 204% 3361085 ± 27% cpuidle.POLL.time
281 ± 10% 20% 338 cpuidle.POLL.usage
5.61 ± 11% -0.5 5.12 ± 18% perf-profile.cycles-pp.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle
5.85 ± 6% -0.8 5.06 ± 15% perf-profile.cycles-pp.hrtimer_interrupt.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter
6.32 ± 6% -0.9 5.42 ± 15% perf-profile.cycles-pp.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle
15.77 ± 8% -2 13.83 ± 17% perf-profile.cycles-pp.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle.cpu_startup_entry
16.04 ± 8% -2 14.01 ± 15% perf-profile.cycles-pp.apic_timer_interrupt.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
60.25 ± 4% -7 53.03 ± 7% perf-profile.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry
60.41 ± 4% -7 53.12 ± 7% perf-profile.func.cycles-pp.intel_idle
1174104 22% 1436859 numa-meminfo.node0.Inactive
1167471 22% 1428271 numa-meminfo.node0.Inactive(file)
770811 -9% 698147 numa-meminfo.node0.FilePages
20707294 -12% 18281509 ± 6% numa-meminfo.node0.Active
20613745 -12% 18180987 ± 6% numa-meminfo.node0.Active(file)
9676639 -17% 8003627 numa-meminfo.node0.MemFree
509906 -22% 396192 numa-meminfo.node0.Dirty
1189539 28% 1524697 numa-meminfo.node1.Inactive(file)
1191989 28% 1525194 numa-meminfo.node1.Inactive
804508 -10% 727067 numa-meminfo.node1.FilePages
9654540 -16% 8077810 numa-meminfo.node1.MemFree
547956 -19% 441933 numa-meminfo.node1.Dirty
396 ± 12% 485% 2320 ± 37% slabinfo.bio-1.num_objs
396 ± 12% 481% 2303 ± 37% slabinfo.bio-1.active_objs
73 140% 176 ± 14% slabinfo.kmalloc-128.active_slabs
73 140% 176 ± 14% slabinfo.kmalloc-128.num_slabs
4734 94% 9171 ± 11% slabinfo.kmalloc-128.num_objs
4734 88% 8917 ± 13% slabinfo.kmalloc-128.active_objs
16238 -10% 14552 ± 3% slabinfo.kmalloc-256.active_objs
17189 -13% 15033 ± 3% slabinfo.kmalloc-256.num_objs
20651 96% 40387 ± 17% slabinfo.radix_tree_node.active_objs
398 91% 761 ± 17% slabinfo.radix_tree_node.active_slabs
398 91% 761 ± 17% slabinfo.radix_tree_node.num_slabs
22313 91% 42650 ± 17% slabinfo.radix_tree_node.num_objs
32 638% 236 ± 28% slabinfo.xfs_efd_item.active_slabs
32 638% 236 ± 28% slabinfo.xfs_efd_item.num_slabs
1295 281% 4934 ± 23% slabinfo.xfs_efd_item.num_objs
1295 280% 4923 ± 23% slabinfo.xfs_efd_item.active_objs
1661 81% 3000 ± 42% slabinfo.xfs_log_ticket.num_objs
1661 78% 2952 ± 42% slabinfo.xfs_log_ticket.active_objs
2617 49% 3905 ± 30% slabinfo.xfs_trans.num_objs
2617 48% 3870 ± 31% slabinfo.xfs_trans.active_objs
1015933 567% 6779099 perf-stat.context-switches
4.864e+08 126% 1.101e+09 perf-stat.node-load-misses
1.179e+09 103% 2.399e+09 perf-stat.node-loads
0.06 ± 34% 92% 0.12 ± 11% perf-stat.dTLB-store-miss-rate
2.985e+08 ± 32% 86% 5.542e+08 ± 11% perf-stat.dTLB-store-misses
2.551e+09 ± 15% 81% 4.625e+09 ± 13% perf-stat.dTLB-load-misses
0.39 ± 14% 66% 0.65 ± 13% perf-stat.dTLB-load-miss-rate
1.26e+09 60% 2.019e+09 perf-stat.node-store-misses
46072661 ± 27% 49% 68472915 perf-stat.iTLB-loads
2.738e+12 ± 4% 43% 3.916e+12 perf-stat.cpu-cycles
21.48 32% 28.35 perf-stat.node-store-miss-rate
1.612e+10 ± 3% 28% 2.066e+10 perf-stat.cache-references
1.669e+09 ± 3% 24% 2.063e+09 perf-stat.branch-misses
6.816e+09 ± 3% 20% 8.179e+09 perf-stat.cache-misses
177699 18% 209145 perf-stat.cpu-migrations
0.39 13% 0.44 perf-stat.branch-miss-rate
4.606e+09 11% 5.102e+09 perf-stat.node-stores
4.329e+11 ± 4% 9% 4.727e+11 perf-stat.branch-instructions
6.458e+11 9% 7.046e+11 perf-stat.dTLB-loads
29.19 8% 31.45 perf-stat.node-load-miss-rate
286173 8% 308115 perf-stat.page-faults
286191 8% 308109 perf-stat.minor-faults
45084934 4% 47073719 perf-stat.iTLB-load-misses
42.28 -6% 39.58 perf-stat.cache-miss-rate
50.62 ± 16% -19% 40.75 perf-stat.iTLB-load-miss-rate
0.89 -28% 0.64 perf-stat.ipc
2 ± 36% 4e+07% 970191 proc-vmstat.pgrotated
150 ± 21% 1e+07% 15356485 ± 3% proc-vmstat.nr_vmscan_immediate_reclaim
76823 ± 35% 56899% 43788651 proc-vmstat.pgscan_direct
153407 ± 19% 4483% 7031431 proc-vmstat.nr_written
619699 ± 19% 4441% 28139689 proc-vmstat.pgpgout
5342421 1061% 62050709 proc-vmstat.pgactivate
47 ± 25% 354% 217 proc-vmstat.nr_pages_scanned
8542963 ± 3% 78% 15182914 proc-vmstat.numa_miss
8542963 ± 3% 78% 15182715 proc-vmstat.numa_foreign
2820568 31% 3699073 proc-vmstat.pgalloc_dma32
589234 25% 738160 proc-vmstat.nr_zone_inactive_file
589240 25% 738155 proc-vmstat.nr_inactive_file
61347830 13% 69522958 proc-vmstat.pgfree
393711 -9% 356981 proc-vmstat.nr_file_pages
4831749 -17% 4020131 proc-vmstat.nr_free_pages
61252784 -18% 50183773 proc-vmstat.pgrefill
61245420 -18% 50176301 proc-vmstat.pgdeactivate
264397 -20% 210222 proc-vmstat.nr_zone_write_pending
264367 -20% 210188 proc-vmstat.nr_dirty
60420248 -39% 36646178 proc-vmstat.pgscan_kswapd
60373976 -44% 33735064 proc-vmstat.pgsteal_kswapd
1753 -98% 43 ± 18% proc-vmstat.pageoutrun
1095 -98% 25 ± 17% proc-vmstat.kswapd_low_wmark_hit_quickly
656 ± 3% -98% 15 ± 24% proc-vmstat.kswapd_high_wmark_hit_quickly
0 1136221 numa-vmstat.node0.workingset_refault
0 1136221 numa-vmstat.node0.workingset_activate
23 ± 45% 1e+07% 2756907 numa-vmstat.node0.nr_vmscan_immediate_reclaim
37618 ± 24% 3234% 1254165 numa-vmstat.node0.nr_written
1346538 ± 4% 104% 2748439 numa-vmstat.node0.numa_miss
1577620 ± 5% 80% 2842882 numa-vmstat.node0.numa_foreign
291242 23% 357407 numa-vmstat.node0.nr_inactive_file
291237 23% 357390 numa-vmstat.node0.nr_zone_inactive_file
13961935 12% 15577331 numa-vmstat.node0.numa_local
13961938 12% 15577332 numa-vmstat.node0.numa_hit
39831 10% 43768 numa-vmstat.node0.nr_unevictable
39831 10% 43768 numa-vmstat.node0.nr_zone_unevictable
193467 -10% 174639 numa-vmstat.node0.nr_file_pages
5147212 -12% 4542321 ± 6% numa-vmstat.node0.nr_active_file
5147237 -12% 4542325 ± 6% numa-vmstat.node0.nr_zone_active_file
2426129 -17% 2008637 numa-vmstat.node0.nr_free_pages
128285 -23% 99206 numa-vmstat.node0.nr_zone_write_pending
128259 -23% 99183 numa-vmstat.node0.nr_dirty
0 1190594 numa-vmstat.node1.workingset_refault
0 1190594 numa-vmstat.node1.workingset_activate
21 ± 36% 1e+07% 3120425 ± 4% numa-vmstat.node1.nr_vmscan_immediate_reclaim
38541 ± 26% 3336% 1324185 numa-vmstat.node1.nr_written
1316819 ± 4% 105% 2699075 numa-vmstat.node1.numa_foreign
1547929 ± 4% 80% 2793491 numa-vmstat.node1.numa_miss
296714 28% 381124 numa-vmstat.node1.nr_zone_inactive_file
296714 28% 381123 numa-vmstat.node1.nr_inactive_file
14311131 10% 15750908 numa-vmstat.node1.numa_hit
14311130 10% 15750905 numa-vmstat.node1.numa_local
201164 -10% 181742 numa-vmstat.node1.nr_file_pages
2422825 -16% 2027750 numa-vmstat.node1.nr_free_pages
137069 -19% 110501 numa-vmstat.node1.nr_zone_write_pending
137069 -19% 110497 numa-vmstat.node1.nr_dirty
737 ± 29% 27349% 202387 sched_debug.cfs_rq:/.min_vruntime.min
3637 ± 20% 7919% 291675 sched_debug.cfs_rq:/.min_vruntime.avg
11.00 ± 44% 4892% 549.17 ± 9% sched_debug.cfs_rq:/.runnable_load_avg.max
2.12 ± 36% 4853% 105.12 ± 5% sched_debug.cfs_rq:/.runnable_load_avg.stddev
1885 ± 6% 4189% 80870 sched_debug.cfs_rq:/.min_vruntime.stddev
1896 ± 6% 4166% 80895 sched_debug.cfs_rq:/.spread0.stddev
10774 ± 13% 4113% 453925 sched_debug.cfs_rq:/.min_vruntime.max
1.02 ± 19% 2630% 27.72 ± 7% sched_debug.cfs_rq:/.runnable_load_avg.avg
63060 ± 45% 776% 552157 sched_debug.cfs_rq:/.load.max
14442 ± 21% 590% 99615 ± 14% sched_debug.cfs_rq:/.load.stddev
8397 ± 9% 309% 34370 ± 12% sched_debug.cfs_rq:/.load.avg
46.02 ± 24% 176% 126.96 ± 6% sched_debug.cfs_rq:/.util_avg.stddev
817 19% 974 ± 3% sched_debug.cfs_rq:/.util_avg.max
721 -17% 600 ± 3% sched_debug.cfs_rq:/.util_avg.avg
595 ± 11% -38% 371 ± 7% sched_debug.cfs_rq:/.util_avg.min
1484 ± 20% -47% 792 ± 5% sched_debug.cfs_rq:/.load_avg.min
1798 ± 4% -50% 903 ± 5% sched_debug.cfs_rq:/.load_avg.avg
322 ± 8% 7726% 25239 ± 8% sched_debug.cpu.nr_switches.min
969 7238% 71158 sched_debug.cpu.nr_switches.avg
2.23 ± 40% 4650% 106.14 ± 4% sched_debug.cpu.cpu_load[0].stddev
943 ± 4% 3475% 33730 ± 3% sched_debug.cpu.nr_switches.stddev
0.87 ± 25% 3057% 27.46 ± 7% sched_debug.cpu.cpu_load[0].avg
5.43 ± 13% 2232% 126.61 sched_debug.cpu.nr_uninterruptible.stddev
6131 ± 3% 2028% 130453 sched_debug.cpu.nr_switches.max
1.58 ± 29% 1852% 30.90 ± 4% sched_debug.cpu.cpu_load[4].avg
2.00 ± 49% 1422% 30.44 ± 5% sched_debug.cpu.cpu_load[3].avg
63060 ± 45% 1053% 726920 ± 32% sched_debug.cpu.load.max
21.25 ± 44% 777% 186.33 ± 7% sched_debug.cpu.nr_uninterruptible.max
14419 ± 21% 731% 119865 ± 31% sched_debug.cpu.load.stddev
3586 381% 17262 sched_debug.cpu.nr_load_updates.min
8286 ± 8% 364% 38414 ± 17% sched_debug.cpu.load.avg
5444 303% 21956 sched_debug.cpu.nr_load_updates.avg
1156 231% 3827 sched_debug.cpu.nr_load_updates.stddev
8603 ± 4% 222% 27662 sched_debug.cpu.nr_load_updates.max
1410 165% 3735 sched_debug.cpu.curr->pid.max
28742 ± 15% 120% 63101 ± 7% sched_debug.cpu.clock.min
28742 ± 15% 120% 63101 ± 7% sched_debug.cpu.clock_task.min
28748 ± 15% 120% 63107 ± 7% sched_debug.cpu.clock.avg
28748 ± 15% 120% 63107 ± 7% sched_debug.cpu.clock_task.avg
28751 ± 15% 120% 63113 ± 7% sched_debug.cpu.clock.max
28751 ± 15% 120% 63113 ± 7% sched_debug.cpu.clock_task.max
442 ± 11% 93% 854 ± 15% sched_debug.cpu.curr->pid.avg
618 ± 3% 72% 1065 ± 4% sched_debug.cpu.curr->pid.stddev
1.88 ± 11% 50% 2.83 ± 8% sched_debug.cpu.clock.stddev
1.88 ± 11% 50% 2.83 ± 8% sched_debug.cpu.clock_task.stddev
5.22 ± 9% -55% 2.34 ± 23% sched_debug.rt_rq:/.rt_time.max
0.85 -55% 0.38 ± 28% sched_debug.rt_rq:/.rt_time.stddev
0.17 -56% 0.07 ± 33% sched_debug.rt_rq:/.rt_time.avg
27633 ± 16% 124% 61980 ± 8% sched_debug.ktime
28745 ± 15% 120% 63102 ± 7% sched_debug.sched_clk
28745 ± 15% 120% 63102 ± 7% sched_debug.cpu_clk
Thanks,
Fengguang
next prev parent reply other threads:[~2016-08-15 14:15 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-09 14:33 kernel test robot
2016-08-10 18:24 ` Linus Torvalds
2016-08-10 23:08 ` Dave Chinner
2016-08-10 23:51 ` Linus Torvalds
2016-08-10 23:58 ` [LKP] " Huang, Ying
2016-08-11 0:11 ` Huang, Ying
2016-08-11 0:23 ` Linus Torvalds
2016-08-11 0:33 ` Huang, Ying
2016-08-11 1:00 ` Linus Torvalds
2016-08-11 4:46 ` Dave Chinner
2016-08-15 17:22 ` Huang, Ying
2016-08-16 0:08 ` Dave Chinner
2016-08-11 15:57 ` Christoph Hellwig
2016-08-11 16:55 ` Linus Torvalds
2016-08-11 17:51 ` Huang, Ying
2016-08-11 19:51 ` Linus Torvalds
2016-08-11 20:00 ` Christoph Hellwig
2016-08-11 20:35 ` Linus Torvalds
2016-08-11 22:16 ` Al Viro
2016-08-11 22:30 ` Linus Torvalds
2016-08-11 21:16 ` Huang, Ying
2016-08-11 21:40 ` Linus Torvalds
2016-08-11 22:08 ` Christoph Hellwig
2016-08-12 0:54 ` Dave Chinner
2016-08-12 2:23 ` Dave Chinner
2016-08-12 2:32 ` Linus Torvalds
2016-08-12 2:52 ` Christoph Hellwig
2016-08-12 3:20 ` Linus Torvalds
2016-08-12 4:16 ` Dave Chinner
2016-08-12 5:02 ` Linus Torvalds
2016-08-12 6:04 ` Dave Chinner
2016-08-12 6:29 ` Ye Xiaolong
2016-08-12 8:51 ` Ye Xiaolong
2016-08-12 10:02 ` Dave Chinner
2016-08-12 10:43 ` Fengguang Wu
2016-08-13 0:30 ` [LKP] [lkp] " Christoph Hellwig
2016-08-13 21:48 ` Christoph Hellwig
2016-08-13 22:07 ` Fengguang Wu
2016-08-13 22:15 ` Christoph Hellwig
2016-08-13 22:51 ` Fengguang Wu
2016-08-14 14:50 ` Fengguang Wu
2016-08-14 16:17 ` Christoph Hellwig
2016-08-14 23:46 ` Dave Chinner
2016-08-14 23:57 ` Fengguang Wu
2016-08-15 14:14 ` Fengguang Wu [this message]
2016-08-15 21:22 ` Dave Chinner
2016-08-16 12:20 ` Fengguang Wu
2016-08-15 20:30 ` Huang, Ying
2016-08-22 22:09 ` Huang, Ying
2016-09-26 6:25 ` Huang, Ying
2016-09-26 14:55 ` Christoph Hellwig
2016-09-27 0:52 ` Huang, Ying
2016-08-16 13:25 ` Fengguang Wu
2016-08-13 23:32 ` Dave Chinner
2016-08-12 2:27 ` Linus Torvalds
2016-08-12 3:56 ` Dave Chinner
2016-08-12 18:03 ` Linus Torvalds
2016-08-13 23:58 ` Fengguang Wu
2016-08-15 0:48 ` Dave Chinner
2016-08-15 1:37 ` Linus Torvalds
2016-08-15 2:28 ` Dave Chinner
2016-08-15 2:53 ` Linus Torvalds
2016-08-15 5:00 ` Dave Chinner
[not found] ` <CA+55aFwva2Xffai+Eqv1Jn_NGryk3YJ2i5JoHOQnbQv6qVPAsw@mail.gmail.com>
[not found] ` <CA+55aFy14nUnJQ_GdF=j8Fa9xiH70c6fY2G3q5HQ01+8z1z3qQ@mail.gmail.com>
[not found] ` <CA+55aFxp+rLehC8c157uRbH459wUC1rRPfCVgvmcq5BrG9gkyg@mail.gmail.com>
2016-08-15 22:22 ` Dave Chinner
2016-08-15 22:42 ` Dave Chinner
2016-08-15 23:20 ` Linus Torvalds
2016-08-15 23:48 ` Linus Torvalds
2016-08-16 0:44 ` Dave Chinner
2016-08-16 15:05 ` Mel Gorman
2016-08-16 17:47 ` Linus Torvalds
2016-08-17 15:48 ` Michal Hocko
2016-08-17 16:42 ` Michal Hocko
2016-08-17 15:49 ` Mel Gorman
2016-08-18 0:45 ` Mel Gorman
2016-08-18 7:11 ` Dave Chinner
2016-08-18 13:24 ` Mel Gorman
2016-08-18 17:55 ` Linus Torvalds
2016-08-18 21:19 ` Dave Chinner
2016-08-18 22:25 ` Linus Torvalds
2016-08-19 9:00 ` Michal Hocko
2016-08-19 10:49 ` Mel Gorman
2016-08-19 23:48 ` Dave Chinner
2016-08-20 1:08 ` Linus Torvalds
2016-08-20 12:16 ` Mel Gorman
2016-08-19 15:08 ` Mel Gorman
2016-09-01 23:32 ` Dave Chinner
2016-09-06 15:37 ` Mel Gorman
2016-09-06 15:52 ` Huang, Ying
2016-08-24 15:40 ` Huang, Ying
2016-08-25 9:37 ` Mel Gorman
2016-08-18 2:44 ` Dave Chinner
2016-08-16 0:15 ` Linus Torvalds
2016-08-16 0:38 ` Dave Chinner
2016-08-16 0:50 ` Linus Torvalds
2016-08-16 0:19 ` Dave Chinner
2016-08-16 1:51 ` Linus Torvalds
2016-08-16 22:02 ` Dave Chinner
2016-08-16 23:23 ` Linus Torvalds
2016-08-15 23:01 ` Linus Torvalds
2016-08-16 0:17 ` Dave Chinner
2016-08-16 0:45 ` Linus Torvalds
2016-08-15 5:03 ` Ingo Molnar
2016-08-17 16:24 ` Peter Zijlstra
2016-08-15 12:58 ` Fengguang Wu
2016-08-11 1:16 ` Dave Chinner
2016-08-11 1:32 ` Dave Chinner
2016-08-11 2:36 ` Ye Xiaolong
2016-08-11 3:05 ` Dave Chinner
2016-08-12 1:26 ` Dave Chinner
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