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Date: Thu, 20 May 2021 16:31:44 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Minchan Kim <minchan@...nel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
Chris Goldsworthy <cgoldswo@...eaurora.org>,
Laura Abbott <labbott@...nel.org>,
Oliver Sang <oliver.sang@...el.com>,
David Hildenbrand <david@...hat.com>,
John Dias <joaodias@...gle.com>,
Matthew Wilcox <willy@...radead.org>,
Michal Hocko <mhocko@...e.com>,
Suren Baghdasaryan <surenb@...gle.com>,
Vlastimil Babka <vbabka@...e.cz>,
Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
lkp@...el.com, ying.huang@...el.com, feng.tang@...el.com,
zhengjun.xing@...el.com
Subject: [mm] 8cc621d2f4: fio.write_iops -21.8% regression
Greeting,
FYI, we noticed a -21.8% regression of fio.write_iops due to commit:
commit: 8cc621d2f45ddd3dc664024a647ee7adf48d79a5 ("mm: fs: invalidate BH LRU during page migration")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: fio-basic
on test machine: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 256G memory
with following parameters:
disk: 2pmem
fs: ext4
runtime: 200s
nr_task: 50%
time_based: tb
rw: randwrite
bs: 4k
ioengine: libaio
test_size: 200G
cpufreq_governor: performance
ucode: 0x5003006
test-description: Fio is a tool that will spawn a number of threads or processes doing a particular type of I/O action as specified by the user.
test-url: https://github.com/axboe/fio
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
bin/lkp run generated-yaml-file
=========================================================================================
bs/compiler/cpufreq_governor/disk/fs/ioengine/kconfig/nr_task/rootfs/runtime/rw/tbox_group/test_size/testcase/time_based/ucode:
4k/gcc-9/performance/2pmem/ext4/libaio/x86_64-rhel-8.3/50%/debian-10.4-x86_64-20200603.cgz/200s/randwrite/lkp-csl-2sp6/200G/fio-basic/tb/0x5003006
commit:
361a2a229f ("mm: replace migrate_[prep|finish] with lru_cache_[disable|enable]")
8cc621d2f4 ("mm: fs: invalidate BH LRU during page migration")
361a2a229fa31ab7 8cc621d2f45ddd3dc664024a647
---------------- ---------------------------
%stddev %change %stddev
\ | \
0.01 -0.0 0.00 fio.latency_1000ms%
0.27 ± 5% -0.0 0.24 ± 7% fio.latency_10ms%
0.01 -0.0 0.00 fio.latency_2000ms%
0.33 ± 8% +0.1 0.44 ± 7% fio.latency_20ms%
0.01 -0.0 0.00 fio.latency_500ms%
13.99 +6.0 19.96 fio.latency_50ms%
0.01 -0.0 0.00 fio.latency_750ms%
3.40 ± 44% -2.2 1.17 ± 46% fio.latency_750us%
4.967e+08 -21.8% 3.885e+08 fio.time.file_system_outputs
2249 ± 20% -35.0% 1463 ± 21% fio.time.involuntary_context_switches
305.83 ± 4% -32.5% 206.33 ± 2% fio.time.percent_of_cpu_this_job_got
556.42 ± 3% -33.6% 369.53 ± 2% fio.time.system_time
61.89 ± 18% -22.9% 47.75 ± 4% fio.time.user_time
1117924 -12.3% 980822 ± 4% fio.time.voluntary_context_switches
62087973 -21.8% 48559860 fio.workload
1212 -21.8% 948.29 fio.write_bw_MBps
33073834 -11.6% 29229056 fio.write_clat_95%_us
34865152 -9.1% 31675733 fio.write_clat_99%_us
4794125 +27.9% 6129631 fio.write_clat_mean_us
13179671 ± 6% -10.1% 11842274 fio.write_clat_stddev
310403 -21.8% 242761 fio.write_iops
152653 +28.9% 196759 fio.write_slat_mean_us
2139749 +9.3% 2338598 fio.write_slat_stddev
2101512 ±121% -70.4% 621076 ± 15% cpuidle.POLL.usage
2282803 ± 3% -18.4% 1861946 ± 8% numa-meminfo.node1.MemFree
43.07 +3.6% 44.63 iostat.cpu.iowait
5.40 ± 2% -18.5% 4.40 ± 3% iostat.cpu.system
4.27 ± 2% -0.9 3.34 mpstat.cpu.all.sys%
0.28 ± 15% -0.1 0.20 ± 3% mpstat.cpu.all.usr%
43381 -12.6% 37910 ± 3% meminfo.Active(anon)
35262 ± 3% -10.9% 31403 ± 6% meminfo.CmaFree
4195566 -14.2% 3599569 meminfo.MemFree
194.67 ± 3% -17.2% 161.17 turbostat.Avg_MHz
7.24 ± 2% -1.2 6.08 ± 3% turbostat.Busy%
117.10 -1.4% 115.47 turbostat.RAMWatt
42.83 +2.7% 44.00 vmstat.cpu.wa
1285628 -21.8% 1005417 vmstat.io.bo
4195839 -14.3% 3595056 vmstat.memory.free
13161 ± 2% -12.2% 11556 ± 3% vmstat.system.cs
30958589 ± 3% -26.6% 22710943 ± 11% numa-numastat.node0.local_node
11018987 ± 22% -41.5% 6444904 ± 38% numa-numastat.node0.numa_foreign
31025533 ± 3% -26.6% 22759513 ± 11% numa-numastat.node0.numa_hit
11018987 ± 22% -41.5% 6444904 ± 38% numa-numastat.node1.numa_miss
11040187 ± 22% -41.3% 6484419 ± 38% numa-numastat.node1.other_node
14095336 ± 2% -10.6% 12603755 numa-vmstat.node0.nr_dirtied
13208199 ± 2% -11.2% 11722525 numa-vmstat.node0.nr_written
852.17 ± 9% -82.8% 146.67 ± 46% numa-vmstat.node0.workingset_nodes
14563084 ± 2% -11.2% 12933874 numa-vmstat.node1.nr_dirtied
571303 ± 3% -18.5% 465407 ± 8% numa-vmstat.node1.nr_free_pages
13698641 ± 2% -12.1% 12047165 numa-vmstat.node1.nr_written
0.02 ± 25% -32.4% 0.01 ± 27% perf-sched.sch_delay.max.ms.jbd2_log_wait_commit.jbd2_log_do_checkpoint.__jbd2_log_wait_for_space.add_transaction_credits
6.26 ±169% -88.1% 0.74 ± 64% perf-sched.sch_delay.max.ms.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited
27.33 +16.4% 31.82 ± 5% perf-sched.total_wait_and_delay.average.ms
89752 -15.0% 76314 ± 4% perf-sched.total_wait_and_delay.count.ms
27.33 +16.4% 31.82 ± 5% perf-sched.total_wait_time.average.ms
35.69 ± 31% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.preempt_schedule_common.__cond_resched.down_read.ext4_da_map_blocks.constprop
0.29 ± 2% +34.9% 0.39 ± 8% perf-sched.wait_and_delay.avg.ms.rwsem_down_read_slowpath.ext4_da_map_blocks.constprop.0.ext4_da_get_block_prep
416.43 ± 2% +40.7% 585.86 ± 3% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
29.78 -9.6% 26.93 perf-sched.wait_and_delay.avg.ms.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited
242.41 ± 20% +65.7% 401.67 ± 13% perf-sched.wait_and_delay.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
21.67 ± 25% -67.7% 7.00 ± 85% perf-sched.wait_and_delay.count.kswapd.kthread.ret_from_fork
4.33 ± 51% -100.0% 0.00 perf-sched.wait_and_delay.count.preempt_schedule_common.__cond_resched.down_read.ext4_da_map_blocks.constprop
12.67 ± 30% -81.6% 2.33 ±223% perf-sched.wait_and_delay.count.preempt_schedule_common.__cond_resched.generic_perform_write.ext4_buffered_write_iter.aio_write
62774 -23.9% 47742 ± 8% perf-sched.wait_and_delay.count.rwsem_down_read_slowpath.ext4_da_map_blocks.constprop.0.ext4_da_get_block_prep
44.83 ± 3% -29.0% 31.83 ± 3% perf-sched.wait_and_delay.count.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
14423 +11.9% 16138 perf-sched.wait_and_delay.count.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited
79.67 ± 17% -39.5% 48.17 ± 14% perf-sched.wait_and_delay.count.schedule_timeout.kcompactd.kthread.ret_from_fork
43.01 ± 51% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.preempt_schedule_common.__cond_resched.down_read.ext4_da_map_blocks.constprop
109.65 ± 6% -12.4% 96.02 ± 7% perf-sched.wait_and_delay.max.ms.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited
35.68 ± 31% -22.7% 27.57 ± 5% perf-sched.wait_time.avg.ms.preempt_schedule_common.__cond_resched.down_read.ext4_da_map_blocks.constprop
0.29 ± 2% +35.0% 0.39 ± 8% perf-sched.wait_time.avg.ms.rwsem_down_read_slowpath.ext4_da_map_blocks.constprop.0.ext4_da_get_block_prep
416.43 ± 2% +40.7% 585.86 ± 3% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
29.77 -9.6% 26.93 perf-sched.wait_time.avg.ms.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited
242.41 ± 20% +65.7% 401.66 ± 13% perf-sched.wait_time.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
3.22 ±203% -99.6% 0.01 ±223% perf-sched.wait_time.avg.ms.schedule_timeout.wait_for_completion.__flush_work.__drain_all_pages
0.10 ±132% -84.4% 0.02 ± 80% perf-sched.wait_time.max.ms.preempt_schedule_common.__cond_resched.ext4_journal_check_start.__ext4_journal_start_reserved.ext4_convert_unwritten_io_end_vec
107.54 ± 8% -47.8% 56.19 ± 70% perf-sched.wait_time.max.ms.rwsem_down_write_slowpath.ext4_map_blocks.ext4_writepages.do_writepages
109.64 ± 6% -12.4% 96.02 ± 7% perf-sched.wait_time.max.ms.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited
35.78 ±220% -99.9% 0.05 ±223% perf-sched.wait_time.max.ms.schedule_timeout.wait_for_completion.__flush_work.__drain_all_pages
33.56 ± 5% -27.9% 24.20 ± 44% perf-sched.wait_time.max.ms.wait_transaction_locked.add_transaction_credits.start_this_handle.jbd2__journal_start
884734 ± 93% -82.5% 154904 ± 54% proc-vmstat.compact_isolated
10835 -12.6% 9471 ± 3% proc-vmstat.nr_active_anon
142479 -1.5% 140281 proc-vmstat.nr_active_file
63543876 -21.6% 49802284 proc-vmstat.nr_dirtied
9537128 +1.5% 9679184 proc-vmstat.nr_file_pages
8775 ± 3% -9.4% 7949 ± 5% proc-vmstat.nr_free_cma
1047867 -14.1% 900231 proc-vmstat.nr_free_pages
8839312 +1.7% 8985232 proc-vmstat.nr_inactive_file
457350 +1.6% 464520 proc-vmstat.nr_slab_reclaimable
62565176 -22.7% 48374444 proc-vmstat.nr_written
10836 -12.6% 9472 ± 3% proc-vmstat.nr_zone_active_anon
142503 -1.5% 140308 proc-vmstat.nr_zone_active_file
8840847 +1.7% 8986996 proc-vmstat.nr_zone_inactive_file
12080712 ± 17% -26.1% 8922914 ± 12% proc-vmstat.numa_foreign
52344635 ± 4% -20.2% 41790589 ± 2% proc-vmstat.numa_hit
52256486 ± 4% -20.2% 41702499 ± 2% proc-vmstat.numa_local
12080712 ± 17% -26.1% 8922914 ± 12% proc-vmstat.numa_miss
12168861 ± 17% -26.0% 9011004 ± 12% proc-vmstat.numa_other
30433 ± 13% -16.6% 25366 ± 5% proc-vmstat.pgactivate
2278530 -18.9% 1846941 ± 7% proc-vmstat.pgalloc_dma32
62368755 -21.4% 49038161 proc-vmstat.pgalloc_normal
55006150 -26.8% 40250446 proc-vmstat.pgfree
10920 ± 63% -82.0% 1964 ±119% proc-vmstat.pgmigrate_fail
444528 ± 93% -82.2% 79298 ± 51% proc-vmstat.pgmigrate_success
2.62e+08 -21.9% 2.045e+08 proc-vmstat.pgpgout
42363626 -8.6% 38717997 proc-vmstat.pgscan_file
41658702 -8.4% 38149115 proc-vmstat.pgscan_kswapd
42361403 -8.6% 38717417 proc-vmstat.pgsteal_file
41656479 -8.4% 38148535 proc-vmstat.pgsteal_kswapd
82628757 -5.9% 77759594 proc-vmstat.slabs_scanned
386745 ± 29% -49.6% 194783 ± 6% interrupts.CAL:Function_call_interrupts
6532 ± 30% -60.6% 2576 ± 40% interrupts.CPU1.CAL:Function_call_interrupts
6834 ± 35% -62.5% 2563 ± 40% interrupts.CPU10.CAL:Function_call_interrupts
6529 ± 37% -54.6% 2965 ± 38% interrupts.CPU13.CAL:Function_call_interrupts
5216 ± 35% -61.9% 1988 ± 55% interrupts.CPU15.CAL:Function_call_interrupts
71.00 ± 36% -61.0% 27.67 ± 62% interrupts.CPU15.RES:Rescheduling_interrupts
5532 ± 27% -62.7% 2062 ± 52% interrupts.CPU16.CAL:Function_call_interrupts
61.67 ± 40% -75.7% 15.00 ± 47% interrupts.CPU16.RES:Rescheduling_interrupts
7412 ± 32% -63.8% 2684 ± 44% interrupts.CPU18.CAL:Function_call_interrupts
5379 ± 36% -39.0% 3279 ± 30% interrupts.CPU19.CAL:Function_call_interrupts
5174 ± 25% -52.8% 2443 ± 32% interrupts.CPU20.CAL:Function_call_interrupts
73.50 ± 45% -54.4% 33.50 ± 80% interrupts.CPU21.RES:Rescheduling_interrupts
7035 ± 29% -63.6% 2564 ± 66% interrupts.CPU23.CAL:Function_call_interrupts
6149 ± 39% -49.5% 3104 ± 19% interrupts.CPU3.CAL:Function_call_interrupts
248.17 ± 51% +78.6% 443.33 ± 34% interrupts.CPU36.NMI:Non-maskable_interrupts
248.17 ± 51% +78.6% 443.33 ± 34% interrupts.CPU36.PMI:Performance_monitoring_interrupts
509.33 ± 5% -62.0% 193.33 ± 59% interrupts.CPU42.NMI:Non-maskable_interrupts
509.33 ± 5% -62.0% 193.33 ± 59% interrupts.CPU42.PMI:Performance_monitoring_interrupts
6932 ± 43% -65.7% 2378 ± 18% interrupts.CPU48.CAL:Function_call_interrupts
5884 ± 17% -63.8% 2131 ± 60% interrupts.CPU49.CAL:Function_call_interrupts
5593 ± 26% -50.2% 2787 ± 27% interrupts.CPU5.CAL:Function_call_interrupts
5501 ± 63% -65.0% 1925 ± 57% interrupts.CPU51.CAL:Function_call_interrupts
5352 ± 19% -61.5% 2059 ± 43% interrupts.CPU52.CAL:Function_call_interrupts
74.50 ± 44% -73.4% 19.83 ± 78% interrupts.CPU52.RES:Rescheduling_interrupts
4305 ± 22% -74.5% 1097 ± 50% interrupts.CPU53.CAL:Function_call_interrupts
922.33 ± 91% -67.6% 298.50 ± 58% interrupts.CPU55.NMI:Non-maskable_interrupts
922.33 ± 91% -67.6% 298.50 ± 58% interrupts.CPU55.PMI:Performance_monitoring_interrupts
7849 ± 42% -78.6% 1681 ± 54% interrupts.CPU57.CAL:Function_call_interrupts
75.00 ± 40% -74.0% 19.50 ± 51% interrupts.CPU57.RES:Rescheduling_interrupts
6309 ± 40% -50.1% 3149 ± 19% interrupts.CPU6.CAL:Function_call_interrupts
53.33 ± 73% -65.3% 18.50 ±109% interrupts.CPU62.RES:Rescheduling_interrupts
4893 ± 17% -67.8% 1575 ± 64% interrupts.CPU63.CAL:Function_call_interrupts
104.00 ± 58% -81.1% 19.67 ± 63% interrupts.CPU63.RES:Rescheduling_interrupts
49.17 ± 80% -68.8% 15.33 ± 45% interrupts.CPU64.RES:Rescheduling_interrupts
62.67 ± 61% -71.8% 17.67 ± 92% interrupts.CPU67.RES:Rescheduling_interrupts
8163 ± 32% -69.9% 2456 ± 64% interrupts.CPU7.CAL:Function_call_interrupts
5163 ± 57% -64.3% 1841 ± 55% interrupts.CPU71.CAL:Function_call_interrupts
165.33 ± 42% +598.8% 1155 ± 85% interrupts.CPU79.NMI:Non-maskable_interrupts
165.33 ± 42% +598.8% 1155 ± 85% interrupts.CPU79.PMI:Performance_monitoring_interrupts
401.83 ± 42% -49.4% 203.50 ± 31% interrupts.CPU82.NMI:Non-maskable_interrupts
401.83 ± 42% -49.4% 203.50 ± 31% interrupts.CPU82.PMI:Performance_monitoring_interrupts
5512 ± 19% -64.6% 1950 ± 39% interrupts.CPU9.CAL:Function_call_interrupts
209.50 ± 35% -41.2% 123.17 ± 34% interrupts.CPU90.NMI:Non-maskable_interrupts
209.50 ± 35% -41.2% 123.17 ± 34% interrupts.CPU90.PMI:Performance_monitoring_interrupts
3763 ± 7% -34.9% 2451 ± 14% interrupts.RES:Rescheduling_interrupts
5.47 -8.6% 5.00 perf-stat.i.MPKI
2.655e+09 -8.7% 2.425e+09 perf-stat.i.branch-instructions
1.20 -0.1 1.13 perf-stat.i.branch-miss-rate%
31751272 -13.4% 27505174 perf-stat.i.branch-misses
50939566 -19.7% 40921870 ± 2% perf-stat.i.cache-misses
79655814 -20.5% 63321768 ± 2% perf-stat.i.cache-references
13271 ± 2% -12.3% 11636 ± 3% perf-stat.i.context-switches
1.24 ± 3% -5.5% 1.17 perf-stat.i.cpi
1.802e+10 ± 4% -17.4% 1.488e+10 perf-stat.i.cpu-cycles
4.127e+09 -11.8% 3.642e+09 perf-stat.i.dTLB-loads
1.992e+09 -12.0% 1.752e+09 perf-stat.i.dTLB-stores
5010814 ± 4% -23.7% 3825076 ± 12% perf-stat.i.iTLB-load-misses
1.396e+10 -9.9% 1.257e+10 perf-stat.i.instructions
0.19 ± 4% -17.4% 0.15 perf-stat.i.metric.GHz
878.82 -7.5% 812.57 ± 2% perf-stat.i.metric.K/sec
91.56 -11.0% 81.46 perf-stat.i.metric.M/sec
3065 -1.0% 3033 perf-stat.i.minor-faults
46.71 ± 3% +5.0 51.72 ± 5% perf-stat.i.node-load-miss-rate%
8184873 ± 4% -30.9% 5656360 ± 6% perf-stat.i.node-loads
57.96 ± 2% +6.5 64.41 perf-stat.i.node-store-miss-rate%
2001649 ± 5% -16.6% 1669180 ± 2% perf-stat.i.node-store-misses
1374181 ± 3% -32.9% 922555 ± 3% perf-stat.i.node-stores
5.71 -11.8% 5.04 perf-stat.overall.MPKI
1.20 -0.1 1.13 perf-stat.overall.branch-miss-rate%
1.29 ± 3% -8.3% 1.18 perf-stat.overall.cpi
72.84 -5.7 67.18 ± 3% perf-stat.overall.iTLB-load-miss-rate%
0.78 ± 3% +8.9% 0.84 perf-stat.overall.ipc
46.39 ± 3% +5.5 51.91 ± 5% perf-stat.overall.node-load-miss-rate%
59.27 ± 3% +5.1 64.42 perf-stat.overall.node-store-miss-rate%
45385 +15.1% 52236 perf-stat.overall.path-length
2.643e+09 -8.7% 2.414e+09 perf-stat.ps.branch-instructions
31606841 -13.4% 27384226 perf-stat.ps.branch-misses
50691768 -19.7% 40727855 ± 2% perf-stat.ps.cache-misses
79290645 -20.5% 63040614 ± 2% perf-stat.ps.cache-references
13210 ± 2% -12.3% 11582 ± 3% perf-stat.ps.context-switches
1.794e+10 ± 4% -17.4% 1.482e+10 perf-stat.ps.cpu-cycles
4.107e+09 -11.7% 3.625e+09 perf-stat.ps.dTLB-loads
1.982e+09 -12.0% 1.744e+09 perf-stat.ps.dTLB-stores
4988272 ± 4% -23.6% 3809139 ± 12% perf-stat.ps.iTLB-load-misses
1.389e+10 -9.9% 1.252e+10 perf-stat.ps.instructions
3050 -1.0% 3019 perf-stat.ps.minor-faults
8145509 ± 4% -30.9% 5629700 ± 6% perf-stat.ps.node-loads
1993105 ± 5% -16.6% 1662627 ± 2% perf-stat.ps.node-store-misses
1367876 ± 3% -32.9% 918414 ± 3% perf-stat.ps.node-stores
2.818e+12 -10.0% 2.537e+12 perf-stat.total.instructions
0.79 ± 13% +0.2 1.03 ± 17% perf-profile.calltrace.cycles-pp.clockevents_program_event.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
0.41 ± 72% +0.4 0.76 ± 18% perf-profile.calltrace.cycles-pp.ktime_get.clockevents_program_event.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt
0.00 +0.7 0.72 ± 12% perf-profile.calltrace.cycles-pp.ext4_reserve_inode_write.__ext4_mark_inode_dirty.ext4_convert_unwritten_extents.ext4_convert_unwritten_io_end_vec.ext4_put_io_end
3.34 ± 12% +0.9 4.24 ± 12% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.do_idle
1.35 ± 17% +1.2 2.54 ± 9% perf-profile.calltrace.cycles-pp.ext4_find_extent.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages
3.64 ± 16% +1.2 4.84 ± 10% perf-profile.calltrace.cycles-pp.ext4_map_blocks.ext4_convert_unwritten_extents.ext4_convert_unwritten_io_end_vec.ext4_put_io_end.ext4_writepages
0.51 ± 45% +1.2 1.72 ± 10% perf-profile.calltrace.cycles-pp.__read_extent_tree_block.ext4_find_extent.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
2.09 ± 15% +1.2 3.33 ± 9% perf-profile.calltrace.cycles-pp.ext4_ext_map_blocks.ext4_map_blocks.ext4_convert_unwritten_extents.ext4_convert_unwritten_io_end_vec.ext4_put_io_end
0.83 ± 14% +1.3 2.08 ± 8% perf-profile.calltrace.cycles-pp.ext4_find_extent.ext4_ext_map_blocks.ext4_map_blocks.ext4_convert_unwritten_extents.ext4_convert_unwritten_io_end_vec
1.49 ± 11% +1.3 2.74 ± 5% perf-profile.calltrace.cycles-pp.pagecache_get_page.__find_get_block.__getblk_gfp.__read_extent_tree_block.ext4_find_extent
4.77 ± 16% +1.4 6.21 ± 10% perf-profile.calltrace.cycles-pp.ext4_convert_unwritten_extents.ext4_convert_unwritten_io_end_vec.ext4_put_io_end.ext4_writepages.do_writepages
0.00 +1.5 1.50 ± 7% perf-profile.calltrace.cycles-pp.__read_extent_tree_block.ext4_find_extent.ext4_ext_map_blocks.ext4_map_blocks.ext4_convert_unwritten_extents
0.27 ±100% +2.8 3.03 ± 9% perf-profile.calltrace.cycles-pp.__getblk_gfp.__read_extent_tree_block.ext4_find_extent.ext4_ext_map_blocks.ext4_map_blocks
3.07 ± 13% +2.9 6.00 ± 5% perf-profile.calltrace.cycles-pp.__find_get_block.__getblk_gfp.__read_extent_tree_block.ext4_find_extent.ext4_ext_map_blocks
0.23 ± 26% -0.1 0.10 ± 27% perf-profile.children.cycles-pp.errseq_check
0.23 ± 26% -0.1 0.14 ± 21% perf-profile.children.cycles-pp.node_dirty_ok
0.11 ± 8% +0.0 0.14 ± 9% perf-profile.children.cycles-pp.io_serial_in
0.16 ± 11% +0.0 0.20 ± 13% perf-profile.children.cycles-pp.irq_work_run_list
0.46 ± 6% +0.1 0.53 ± 3% perf-profile.children.cycles-pp.rb_next
0.01 ±223% +0.1 0.09 ± 46% perf-profile.children.cycles-pp.ext4_cache_extents
0.01 ±223% +0.1 0.09 ± 46% perf-profile.children.cycles-pp.ext4_es_cache_extent
0.12 ± 19% +0.1 0.23 ± 39% perf-profile.children.cycles-pp.tick_irq_enter
0.12 ± 17% +0.1 0.24 ± 36% perf-profile.children.cycles-pp.irq_enter_rcu
0.41 ± 12% +0.2 0.58 ± 10% perf-profile.children.cycles-pp.__brelse
0.51 ± 18% +0.2 0.72 ± 8% perf-profile.children.cycles-pp.__pagevec_release
0.00 +0.2 0.23 ± 11% perf-profile.children.cycles-pp.invalidate_bh_lrus_cpu
0.00 +0.3 0.27 ± 10% perf-profile.children.cycles-pp.lru_add_drain
0.45 ± 13% +0.3 0.79 ± 12% perf-profile.children.cycles-pp.ext4_reserve_inode_write
0.29 ± 10% +0.4 0.65 ± 12% perf-profile.children.cycles-pp.ext4_get_inode_loc
0.29 ± 10% +0.4 0.65 ± 12% perf-profile.children.cycles-pp.__ext4_get_inode_loc
1.06 ± 15% +0.4 1.46 ± 16% perf-profile.children.cycles-pp.ktime_get
2.31 ± 10% +0.7 3.00 ± 8% perf-profile.children.cycles-pp.xas_load
4.78 ± 16% +1.4 6.21 ± 10% perf-profile.children.cycles-pp.ext4_convert_unwritten_extents
4.44 ± 7% +2.4 6.87 ± 5% perf-profile.children.cycles-pp.__read_extent_tree_block
8.40 ± 5% +2.5 10.90 ± 4% perf-profile.children.cycles-pp.ext4_find_extent
12.63 ± 6% +2.5 15.17 ± 4% perf-profile.children.cycles-pp.ext4_ext_map_blocks
4.33 ± 8% +2.8 7.10 ± 5% perf-profile.children.cycles-pp.__getblk_gfp
3.91 ± 9% +2.8 6.69 ± 5% perf-profile.children.cycles-pp.__find_get_block
0.23 ± 26% -0.1 0.10 ± 28% perf-profile.self.cycles-pp.errseq_check
0.14 ± 13% -0.0 0.11 ± 14% perf-profile.self.cycles-pp.__getblk_gfp
0.08 ± 14% -0.0 0.06 ± 13% perf-profile.self.cycles-pp.get_page_from_freelist
0.11 ± 8% +0.0 0.14 ± 9% perf-profile.self.cycles-pp.io_serial_in
0.05 ± 74% +0.0 0.09 ± 15% perf-profile.self.cycles-pp.jbd2_journal_get_write_access
0.00 +0.1 0.06 ± 13% perf-profile.self.cycles-pp.ext4_buffered_write_iter
0.08 ± 19% +0.1 0.14 ± 29% perf-profile.self.cycles-pp.ktime_get_update_offsets_now
0.00 +0.1 0.07 ± 6% perf-profile.self.cycles-pp.invalidate_bh_lrus_cpu
0.45 ± 6% +0.1 0.53 ± 3% perf-profile.self.cycles-pp.rb_next
0.40 ± 13% +0.2 0.56 ± 11% perf-profile.self.cycles-pp.__brelse
0.61 ± 11% +0.2 0.84 ± 7% perf-profile.self.cycles-pp._raw_spin_lock
0.89 ± 19% +0.4 1.27 ± 17% perf-profile.self.cycles-pp.ktime_get
2.09 ± 10% +0.6 2.67 ± 7% perf-profile.self.cycles-pp.xas_load
1.00 ± 10% +0.6 1.59 ± 6% perf-profile.self.cycles-pp.pagecache_get_page
1.36 ± 5% +1.0 2.34 ± 6% perf-profile.self.cycles-pp.__find_get_block
fio.write_bw_MBps
1300 +--------------------------------------------------------------------+
| |
1250 |-.++ +.+ ++. +. .++ +.+ +. |
1200 |++ : +.+ : +.+ + : + +.++ : ++ : + ++.+ + + ++.+|
| : + : + +.+ : :: :: : : +.+ : : |
1150 |-+ :: + + :: :: ++.: +.+ |
| + + + + |
1100 |-+ |
| |
1050 |-+ |
1000 |-+ |
| |
950 |O+ O OO OOO OO OOO OOO OO OOO OO OO OO O |
| O O O O |
900 +--------------------------------------------------------------------+
fio.write_iops
330000 +------------------------------------------------------------------+
320000 |-+ + |
| .++ ++ + + ++.++ .+ .++ +.+ + + .+ |
310000 |++ : : : : + + + +.++ : ++ : :+ :++.+ + + ++.+|
300000 |-+ : + :: +.+ : :: :: + : + + : |
| :+ + + :: : + : ++ |
290000 |-+ + + + + |
280000 |-+ |
270000 |-+ |
| |
260000 |-+ |
250000 |-+ |
|O OOO O O OOO OOO OOO OOO OOO OO OO OO O |
240000 |-+ O O O |
230000 +------------------------------------------------------------------+
fio.write_clat_mean_us
6.4e+06 +-----------------------------------------------------------------+
| O O |
6.2e+06 |-+OO O O OOO O O O O OO O O OOO OO |
6e+06 |O+ O OO OO OO O |
| |
5.8e+06 |-+ |
5.6e+06 |-+ |
| |
5.4e+06 |-+ |
5.2e+06 |-+ + + + |
| :: : :: .+ + |
5e+06 |-+ :: + ++.+ : : :: ++ : + + |
4.8e+06 |-+ : + + : + + .+ ++. : + : :: :++.+++ : ++.+|
|+.++ ++ + + + +.+ + +++ +.++ + + +.+ |
4.6e+06 +-----------------------------------------------------------------+
fio.write_clat_99__us
3.55e+07 +----------------------------------------------------------------+
|: :: :+ |
3.5e+07 |+.+++.++++.+++.+++.++++ ++.+ +.+++ +++.+++.++++.+++.+++.++++.+|
3.45e+07 |-+ + : |
| + |
3.4e+07 |-+ |
3.35e+07 |-+ O O O OO O O O |
| O O |
3.3e+07 |O+ O O O O O |
3.25e+07 |-+ O |
| O O |
3.2e+07 |-+ OO O O O |
3.15e+07 |-+ O |
| O O O |
3.1e+07 +----------------------------------------------------------------+
fio.write_slat_mean_us
210000 +------------------------------------------------------------------+
| |
200000 |-+O O O O OO |
|O OO O O OOO OOO OOO OOO OO OO OO O O |
190000 |-+ |
| |
180000 |-+ |
| |
170000 |-+ |
| + + + + |
160000 |-+ :+ + .++ :+ : ++ : .++ |
| : + + : + +. ++ +.+ : + : :+ : ++.+++ +. ++.+|
150000 |+.++ ++ + + ++.++ + +.++ ++.+ + + + |
| + |
140000 +------------------------------------------------------------------+
fio.write_slat_stddev
2.4e+06 +----------------------------------------------------------------+
| |
2.35e+06 |-+OO O O O O O O |
|O O O OO OO OO OO OOO O OOO O O |
| O O O |
2.3e+06 |-+ |
| |
2.25e+06 |-+ |
| + + + |
2.2e+06 |-+ : : : ++ |
| :: +. :: : : + : ++ |
| : : +. +. + +. + ++ : +. : :+ + .+ + +|
2.15e+06 |+. : :++ + : + +.+ :: + +. : + : + +.+++ + + |
| ++ + + :: + ++ ++ +++ |
2.1e+06 +----------------------------------------------------------------+
fio.latency_50ms_
21 +----------------------------------------------------------------------+
| O O O O |
20 |O+ O OO OO OO OO OO O O O OO OO OO OO O |
19 |-+ O O O |
| |
18 |-+ |
| |
17 |-+ |
| |
16 |-+ |
15 |-+ + + + + + + |
| : + :: ++.+ :: :: +.+ : .++. :+. |
14 |+. : + : : .++ .+ .+ +. +. : : +. : : : : ++ + + .++.+|
| ++ ++ ++ +.++ + + ++ + ++ + + + |
13 +----------------------------------------------------------------------+
fio.workload
6.6e+07 +-----------------------------------------------------------------+
6.4e+07 |-+ + |
| .++ ++ + + +++.+ +. ++ .++ + + .+ |
6.2e+07 |++ : : : : + + + ++.+ : ++ : :: :++.+ + + ++.+|
6e+07 |-+ : + :: ++. : : : :: + : + + : |
| :+ + + : :: +.: ++ |
5.8e+07 |-+ + + + + |
5.6e+07 |-+ |
5.4e+07 |-+ |
| |
5.2e+07 |-+ |
5e+07 |-+ |
|O OOO O O OOO OOOO OOO OOO OOO O O OOO O |
4.8e+07 |-+ O O O |
4.6e+07 +-----------------------------------------------------------------+
fio.time.system_time
650 +---------------------------------------------------------------------+
| + |
600 |-+ : |
| + + : + + + + +. + |
|+.+ : :+. : : :+ + .++ : .++ : +.+ + : : + + |
550 |-+ : : + + :.+ ++ + :.+ .++ : + : : : ++ ++.+ + +|
| : :+ + + + ++ :: : : + :.+ |
500 |-+ + + + + :+ + |
| + |
450 |-+ |
| |
| |
400 |-+ |
| O OO OO OOO OO OOO O OO OO OOO O OO |
350 +---------------------------------------------------------------------+
fio.time.percent_of_cpu_this_job_got
340 +---------------------------------------------------------------------+
| : + |
320 |-+ + + : +. + + + +. :: |
300 |+.+ : :+. : : + + .+ .++ : .++ : +.+ + + : .+ : + : |
| : : + .+ :+ ++ +.+ .++ : + : : : : + ++ : + +|
280 |-+ : + + ++ :: : : : :.+ |
| + + + ++ + |
260 |-+ |
| |
240 |-+ |
220 |-+ |
| O O O O O O O O O |
200 |O+OO OOO O OO O O O OO OO O OO O O O |
| |
180 +---------------------------------------------------------------------+
fio.time.file_system_outputs
5.2e+08 +-----------------------------------------------------------------+
| .+ ++ ++. + + .+ .+ |
5e+08 |++ + ++ : + + + :+ +.+ + ++ + + + + + |
| : + : : + + + + : : : :: :++.+++ : +.+|
4.8e+08 |-+ :: :: ++.+ : : :: + : + + |
| :: + : :: +.: + |
4.6e+08 |-+ + + + + |
| |
4.4e+08 |-+ |
| |
4.2e+08 |-+ |
| |
4e+08 |-+ |
|O OOO O O OOO OOOO OOO OOO OOO O O OOO O |
3.8e+08 +-----------------------------------------------------------------+
fio.latency_750ms_
0.0101 +-----------------------------------------------------------------+
0.01008 |-+ |
| |
0.01006 |-+ |
0.01004 |-+ |
| |
0.01002 |-+ |
0.01 |+.+++.+++.+++.++++.+++.+++.+++.+++.+++.+++.+++.++++.+++.+++.+++.+|
0.00998 |-+ |
| |
0.00996 |-+ |
0.00994 |-+ |
| |
0.00992 |-+ |
0.0099 +-----------------------------------------------------------------+
fio.latency_1000ms_
0.0101 +-----------------------------------------------------------------+
0.01008 |-+ |
| |
0.01006 |-+ |
0.01004 |-+ |
| |
0.01002 |-+ |
0.01 |+.+++.+++.+++.++++.+++.+++.+++.+++.+++.+++.+++.++++.+++.+++.+++.+|
0.00998 |-+ |
| |
0.00996 |-+ |
0.00994 |-+ |
| |
0.00992 |-+ |
0.0099 +-----------------------------------------------------------------+
fio.latency_2000ms_
0.0101 +-----------------------------------------------------------------+
0.01008 |-+ |
| |
0.01006 |-+ |
0.01004 |-+ |
| |
0.01002 |-+ |
0.01 |+.+++.+++.+++.++++.+++.+++.+++.+++.+++.+++.+++.++++.+++.+++.+++.+|
0.00998 |-+ |
| |
0.00996 |-+ |
0.00994 |-+ |
| |
0.00992 |-+ |
0.0099 +-----------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
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.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation
Thanks,
Oliver Sang
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