* [linux-next:master] [io_uring/rw] 8cf0c45999: fio.read_bw_MBps 51.1% regression
@ 2024-12-27 3:13 kernel test robot
2024-12-27 16:48 ` Jens Axboe
0 siblings, 1 reply; 3+ messages in thread
From: kernel test robot @ 2024-12-27 3:13 UTC (permalink / raw)
To: Gabriel Krisman Bertazi; +Cc: oe-lkp, lkp, Jens Axboe, io-uring, oliver.sang
Hello,
kernel test robot noticed a 51.1% regression of fio.read_bw_MBps on:
commit: 8cf0c459993ee2911f4f01fba21b1987b102c887 ("io_uring/rw: Allocate async data through helper")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
[test failed on linux-next/master 8155b4ef3466f0e289e8fcc9e6e62f3f4dceeac2]
testcase: fio-basic
config: x86_64-rhel-9.4
compiler: gcc-12
test machine: 96 threads 2 sockets Intel(R) Xeon(R) Platinum 8260L CPU @ 2.40GHz (Cascade Lake) with 128G memory
parameters:
runtime: 300s
nr_task: 8t
disk: 1SSD
fs: xfs
rw: read
bs: 2M
ioengine: io_uring
test_size: 256g
cpufreq_governor: performance
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-lkp/[email protected]
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20241227/[email protected]
=========================================================================================
bs/compiler/cpufreq_governor/disk/fs/ioengine/kconfig/nr_task/rootfs/runtime/rw/tbox_group/test_size/testcase:
2M/gcc-12/performance/1SSD/xfs/io_uring/x86_64-rhel-9.4/8t/debian-12-x86_64-20240206.cgz/300s/read/lkp-csl-2sp3/256g/fio-basic
commit:
23d91035ca ("io_uring/net: Allocate msghdr async data through helper")
8cf0c45999 ("io_uring/rw: Allocate async data through helper")
23d91035cafa30d1 8cf0c459993ee2911f4f01fba21
---------------- ---------------------------
%stddev %change %stddev
\ | \
1.169e+10 -97.9% 2.464e+08 ± 4% cpuidle..time
4187672 ± 5% -98.3% 69610 cpuidle..usage
490.00 -24.5% 370.16 uptime.boot
45002 -23.4% 34483 uptime.idle
91.67 +3.9% 95.24 iostat.cpu.idle
6.67 -83.6% 1.09 ± 2% iostat.cpu.iowait
0.15 ± 3% +1569.3% 2.51 ± 5% iostat.cpu.user
6.77 ± 2% -5.2 1.52 ± 4% mpstat.cpu.all.iowait%
0.03 ± 22% +0.0 0.05 ± 18% mpstat.cpu.all.soft%
0.15 ± 4% +4.1 4.23 ± 6% mpstat.cpu.all.usr%
5982113 ± 42% -97.3% 160513 ± 30% numa-numastat.node0.local_node
6032931 ± 41% -96.5% 209090 ± 13% numa-numastat.node0.numa_hit
2662250 ±124% -94.1% 155780 ± 31% numa-numastat.node1.local_node
2710984 ±121% -92.4% 206648 ± 13% numa-numastat.node1.numa_hit
2142706 -87.8% 262066 vmstat.io.bi
62.03 +2998.4% 1922 vmstat.io.bo
6.47 ± 3% -100.0% 0.00 vmstat.procs.b
2.69 ± 12% +173.1% 7.33 ± 8% vmstat.procs.r
19637 -46.7% 10473 ± 4% vmstat.system.cs
34417 ± 3% -10.8% 30715 ± 2% vmstat.system.in
2.37 ± 49% -2.1 0.26 ±103% fio.latency_100ms%
81.78 ± 3% -56.2 25.56 ± 29% fio.latency_250ms%
0.34 ± 66% -0.3 0.00 fio.latency_50ms%
2171 -51.1% 1060 ± 3% fio.read_bw_MBps
4.194e+08 -14.2% 3.6e+08 ± 5% fio.read_clat_99%_ns
121.24 -99.2% 0.96 ± 6% fio.time.elapsed_time
121.24 -99.2% 0.96 ± 6% fio.time.elapsed_time.max
5.369e+08 -99.6% 2096533 fio.time.file_system_inputs
8592 ± 3% -10.2% 7716 fio.time.minor_page_faults
89.00 ± 4% +587.6% 612.00 ± 6% fio.time.percent_of_cpu_this_job_got
102.38 ± 4% -99.6% 0.44 ± 2% fio.time.system_time
1101885 -99.6% 4454 fio.time.voluntary_context_switches
131072 -99.6% 510.83 fio.workload
6857403 ± 71% -100.0% 0.00 numa-meminfo.node0.Active(file)
49781569 ± 10% -98.0% 971701 ±119% numa-meminfo.node0.FilePages
42007683 ± 4% -99.4% 232792 ± 70% numa-meminfo.node0.Inactive
41773509 ± 4% -99.4% 232792 ± 70% numa-meminfo.node0.Inactive(file)
181744 ± 10% -80.2% 36054 ± 50% numa-meminfo.node0.KReclaimable
11216992 ± 48% +440.7% 60655275 numa-meminfo.node0.MemFree
54456267 ± 9% -90.8% 5017984 ± 22% numa-meminfo.node0.MemUsed
181744 ± 10% -80.2% 36054 ± 50% numa-meminfo.node0.SReclaimable
11353 ± 48% -50.3% 5640 ± 9% numa-meminfo.node0.Shmem
46742560 ± 10% -93.7% 2968006 ± 39% numa-meminfo.node1.FilePages
44279309 ± 12% -99.7% 116761 ±141% numa-meminfo.node1.Inactive
44279309 ± 12% -99.7% 116761 ±141% numa-meminfo.node1.Inactive(file)
222588 ± 9% -71.5% 63492 ± 29% numa-meminfo.node1.KReclaimable
17706281 ± 29% +248.8% 61765996 numa-meminfo.node1.MemFree
48294686 ± 10% -91.2% 4234972 ± 26% numa-meminfo.node1.MemUsed
222588 ± 9% -71.5% 63492 ± 29% numa-meminfo.node1.SReclaimable
19553 ± 30% -91.4% 1688 ± 29% numa-meminfo.node1.Shmem
484021 ± 22% -54.2% 221920 ± 54% numa-meminfo.node1.Slab
8292851 ± 60% -91.7% 685299 meminfo.Active
993491 ± 17% -31.0% 685299 meminfo.Active(anon)
7299359 ± 70% -100.0% 0.00 meminfo.Active(file)
1059116 ± 3% -57.9% 446122 ± 20% meminfo.AnonHugePages
1199023 -43.1% 682106 meminfo.AnonPages
96504886 -95.9% 3939272 meminfo.Cached
1771531 -52.2% 846516 ± 3% meminfo.Committed_AS
85824229 ± 5% -99.6% 349553 meminfo.Inactive
85591704 ± 5% -99.6% 349553 meminfo.Inactive(file)
404111 -75.5% 99205 meminfo.KReclaimable
82199 -26.3% 60586 meminfo.Mapped
28942581 ± 2% +323.0% 1.224e+08 meminfo.MemFree
1.027e+08 -91.0% 9249647 meminfo.Memused
2432 -62.3% 917.33 ± 79% meminfo.Mlocked
404111 -75.5% 99205 meminfo.SReclaimable
600546 -30.5% 417425 meminfo.SUnreclaim
30852 ± 2% -77.6% 6905 ± 5% meminfo.Shmem
1004658 -48.6% 516630 meminfo.Slab
1.028e+08 -91.0% 9249647 meminfo.max_used_kB
1780344 ± 71% -100.0% 0.00 numa-vmstat.node0.nr_active_file
12441416 ± 10% -98.0% 242939 ±119% numa-vmstat.node0.nr_file_pages
2808184 ± 48% +440.0% 15163781 numa-vmstat.node0.nr_free_pages
10373418 ± 5% -99.4% 58198 ± 70% numa-vmstat.node0.nr_inactive_file
2830 ± 48% -49.7% 1424 ± 8% numa-vmstat.node0.nr_shmem
45390 ± 10% -80.1% 9015 ± 50% numa-vmstat.node0.nr_slab_reclaimable
1779467 ± 71% -100.0% 0.00 numa-vmstat.node0.nr_zone_active_file
10374301 ± 5% -99.4% 58198 ± 70% numa-vmstat.node0.nr_zone_inactive_file
6032577 ± 41% -96.5% 209022 ± 13% numa-vmstat.node0.numa_hit
5981759 ± 42% -97.3% 160445 ± 30% numa-vmstat.node0.numa_local
60865 ± 46% -100.0% 0.00 numa-vmstat.node0.workingset_nodes
11683973 ± 10% -93.6% 742001 ± 39% numa-vmstat.node1.nr_file_pages
4428033 ± 29% +248.7% 15441242 numa-vmstat.node1.nr_free_pages
11068153 ± 12% -99.7% 29190 ±141% numa-vmstat.node1.nr_inactive_file
4895 ± 30% -91.4% 422.28 ± 29% numa-vmstat.node1.nr_shmem
55624 ± 9% -71.5% 15873 ± 29% numa-vmstat.node1.nr_slab_reclaimable
11068150 ± 12% -99.7% 29190 ±141% numa-vmstat.node1.nr_zone_inactive_file
2710384 ±121% -92.4% 205957 ± 13% numa-vmstat.node1.numa_hit
2661650 ±124% -94.2% 155089 ± 31% numa-vmstat.node1.numa_local
96303 ± 31% -100.0% 0.00 numa-vmstat.node1.workingset_nodes
9.70 ± 66% -9.4 0.32 ±223% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
9.09 ± 54% -9.1 0.00 perf-profile.calltrace.cycles-pp.record__pushfn.perf_mmap__push.record__mmap_read_evlist.__cmd_record.cmd_record
9.09 ± 54% -9.1 0.00 perf-profile.calltrace.cycles-pp.write.writen.record__pushfn.perf_mmap__push.record__mmap_read_evlist
9.09 ± 54% -9.1 0.00 perf-profile.calltrace.cycles-pp.writen.record__pushfn.perf_mmap__push.record__mmap_read_evlist.__cmd_record
13.49 ± 32% -8.7 4.75 ± 38% perf-profile.calltrace.cycles-pp.handle_internal_command.main
13.49 ± 32% -8.7 4.75 ± 38% perf-profile.calltrace.cycles-pp.main
13.49 ± 32% -8.7 4.75 ± 38% perf-profile.calltrace.cycles-pp.run_builtin.handle_internal_command.main
8.57 ± 57% -8.6 0.00 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write.writen.record__pushfn
8.57 ± 57% -8.6 0.00 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write.writen.record__pushfn.perf_mmap__push
8.57 ± 57% -8.6 0.00 perf-profile.calltrace.cycles-pp.generic_perform_write.shmem_file_write_iter.vfs_write.ksys_write.do_syscall_64
8.57 ± 57% -8.6 0.00 perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write.writen
8.57 ± 57% -8.6 0.00 perf-profile.calltrace.cycles-pp.shmem_file_write_iter.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
9.34 ± 22% -6.9 2.45 ± 67% perf-profile.calltrace.cycles-pp.__cmd_record.cmd_record.run_builtin.handle_internal_command.main
9.34 ± 22% -6.9 2.45 ± 67% perf-profile.calltrace.cycles-pp.cmd_record.run_builtin.handle_internal_command.main
7.20 ± 25% -5.5 1.70 ± 79% perf-profile.calltrace.cycles-pp.perf_mmap__push.record__mmap_read_evlist.__cmd_record.cmd_record.run_builtin
7.20 ± 25% -5.5 1.70 ± 79% perf-profile.calltrace.cycles-pp.record__mmap_read_evlist.__cmd_record.cmd_record.run_builtin.handle_internal_command
10.62 ± 57% -9.4 1.17 ±142% perf-profile.children.cycles-pp.write
9.69 ± 66% -9.4 0.32 ±223% perf-profile.children.cycles-pp.ksys_write
9.69 ± 66% -9.4 0.32 ±223% perf-profile.children.cycles-pp.vfs_write
13.49 ± 32% -9.1 4.41 ± 47% perf-profile.children.cycles-pp.__cmd_record
13.49 ± 32% -9.1 4.41 ± 47% perf-profile.children.cycles-pp.cmd_record
9.09 ± 54% -8.8 0.32 ±223% perf-profile.children.cycles-pp.writen
9.09 ± 54% -8.7 0.34 ±223% perf-profile.children.cycles-pp.record__pushfn
13.49 ± 32% -8.7 4.75 ± 38% perf-profile.children.cycles-pp.handle_internal_command
13.49 ± 32% -8.7 4.75 ± 38% perf-profile.children.cycles-pp.main
13.49 ± 32% -8.7 4.75 ± 38% perf-profile.children.cycles-pp.run_builtin
8.56 ± 57% -8.6 0.00 perf-profile.children.cycles-pp.generic_perform_write
8.56 ± 57% -8.6 0.00 perf-profile.children.cycles-pp.shmem_file_write_iter
9.94 ± 51% -8.2 1.70 ± 79% perf-profile.children.cycles-pp.perf_mmap__push
9.94 ± 51% -8.2 1.70 ± 79% perf-profile.children.cycles-pp.record__mmap_read_evlist
21.85 ± 22% -95.7% 0.93 ± 9% perf-stat.i.MPKI
7.833e+08 ± 36% +248.8% 2.733e+09 perf-stat.i.branch-instructions
1.20 ± 21% +1.4 2.60 perf-stat.i.branch-miss-rate%
10294722 ± 8% +588.8% 70910805 perf-stat.i.branch-misses
71.04 ± 7% -45.3 25.71 ± 6% perf-stat.i.cache-miss-rate%
67179322 ± 23% -82.0% 12088775 ± 8% perf-stat.i.cache-misses
92053950 ± 16% -49.0% 46958614 ± 2% perf-stat.i.cache-references
19893 -57.6% 8444 ± 6% perf-stat.i.context-switches
1.42 ± 18% +47.0% 2.09 ± 6% perf-stat.i.cpi
96008 +3.1% 99012 perf-stat.i.cpu-clock
5.166e+09 ± 27% +426.7% 2.721e+10 ± 5% perf-stat.i.cpu-cycles
109.64 +297.0% 435.28 ± 26% perf-stat.i.cpu-migrations
95.02 ± 12% +2287.2% 2268 ± 10% perf-stat.i.cycles-between-cache-misses
4.488e+09 ± 40% +190.0% 1.301e+10 perf-stat.i.instructions
0.78 ± 18% -38.5% 0.48 ± 6% perf-stat.i.ipc
3257 +2386.4% 81003 ± 2% perf-stat.i.minor-faults
3257 +2386.3% 81001 ± 2% perf-stat.i.page-faults
96008 +3.1% 99013 perf-stat.i.task-clock
16.77 ± 26% -94.5% 0.93 ± 9% perf-stat.overall.MPKI
1.53 ± 39% +1.1 2.60 perf-stat.overall.branch-miss-rate%
72.01 ± 8% -46.3 25.71 ± 6% perf-stat.overall.cache-miss-rate%
1.26 ± 22% +66.0% 2.09 ± 6% perf-stat.overall.cpi
76.07 ± 5% +2881.9% 2268 ± 10% perf-stat.overall.cycles-between-cache-misses
0.83 ± 18% -42.0% 0.48 ± 6% perf-stat.overall.ipc
4201457 ± 40% +507.2% 25510793 perf-stat.overall.path-length
7.771e+08 ± 36% +72.4% 1.34e+09 perf-stat.ps.branch-instructions
10227839 ± 8% +239.9% 34759364 perf-stat.ps.branch-misses
66623351 ± 23% -91.1% 5924306 ± 8% perf-stat.ps.cache-misses
91293692 ± 16% -74.8% 23018351 ± 2% perf-stat.ps.cache-references
19729 -79.0% 4140 ± 6% perf-stat.ps.context-switches
95218 -49.0% 48533 perf-stat.ps.cpu-clock
5.123e+09 ± 27% +160.3% 1.334e+10 ± 5% perf-stat.ps.cpu-cycles
108.79 +95.9% 213.12 ± 25% perf-stat.ps.cpu-migrations
4.452e+09 ± 40% +43.3% 6.38e+09 perf-stat.ps.instructions
3230 +1129.5% 39716 ± 3% perf-stat.ps.minor-faults
3230 +1129.5% 39715 ± 3% perf-stat.ps.page-faults
95218 -49.0% 48533 perf-stat.ps.task-clock
5.507e+11 ± 40% -97.6% 1.303e+10 perf-stat.total.instructions
428.50 ±113% -100.0% 0.00 proc-vmstat.kswapd_high_wmark_hit_quickly
1663 ± 68% -100.0% 0.00 proc-vmstat.kswapd_low_wmark_hit_quickly
248125 ± 17% -30.9% 171528 proc-vmstat.nr_active_anon
1740791 ± 71% -100.0% 0.00 proc-vmstat.nr_active_file
299833 -43.1% 170711 proc-vmstat.nr_anon_pages
517.25 ± 3% -57.9% 217.83 ± 20% proc-vmstat.nr_anon_transparent_hugepages
24125371 -95.9% 984856 proc-vmstat.nr_file_pages
7236331 +322.9% 30605541 proc-vmstat.nr_free_pages
21481117 ± 5% -99.6% 87388 proc-vmstat.nr_inactive_file
20818 -25.3% 15557 proc-vmstat.nr_mapped
608.02 -62.3% 229.33 ± 79% proc-vmstat.nr_mlock
7717 -77.2% 1762 ± 4% proc-vmstat.nr_shmem
101012 -75.4% 24886 proc-vmstat.nr_slab_reclaimable
150134 -30.4% 104433 proc-vmstat.nr_slab_unreclaimable
248125 ± 17% -30.9% 171528 proc-vmstat.nr_zone_active_anon
1740790 ± 71% -100.0% 0.00 proc-vmstat.nr_zone_active_file
21481124 ± 5% -99.6% 87388 proc-vmstat.nr_zone_inactive_file
9755834 ± 25% -100.0% 0.00 proc-vmstat.numa_foreign
995.00 ± 26% -95.4% 45.33 ±164% proc-vmstat.numa_hint_faults
939.00 ± 28% -96.3% 34.67 ±204% proc-vmstat.numa_hint_faults_local
8745252 ± 28% -95.2% 416538 proc-vmstat.numa_hit
8645700 ± 28% -96.3% 317091 proc-vmstat.numa_local
9755622 ± 25% -100.0% 0.00 proc-vmstat.numa_miss
9856110 ± 25% -99.0% 99445 proc-vmstat.numa_other
386923 -97.4% 9959 ±222% proc-vmstat.numa_pte_updates
2224 ± 32% -100.0% 0.00 proc-vmstat.pageoutrun
423905 ± 3% -100.0% 0.00 proc-vmstat.pgalloc_dma32
68828649 -98.9% 752946 proc-vmstat.pgalloc_normal
498127 -61.7% 190797 proc-vmstat.pgfault
38943033 -99.2% 297228 proc-vmstat.pgfree
2.685e+08 -99.6% 1048266 proc-vmstat.pgpgin
22286 ± 3% -58.9% 9168 ± 6% proc-vmstat.pgreuse
36664920 -100.0% 0.00 proc-vmstat.pgscan_file
36664920 -100.0% 0.00 proc-vmstat.pgscan_kswapd
36664893 -100.0% 0.00 proc-vmstat.pgsteal_file
36664893 -100.0% 0.00 proc-vmstat.pgsteal_kswapd
30510 ± 9% -100.0% 0.00 proc-vmstat.slabs_scanned
157121 ± 3% -100.0% 0.00 proc-vmstat.workingset_nodes
8736 ± 9% -37.6% 5455 ± 7% sched_debug.cfs_rq:/.avg_vruntime.min
0.00 ± 56% +407.7% 0.02 ± 58% sched_debug.cfs_rq:/.h_nr_delayed.avg
0.31 ± 48% +227.3% 1.00 sched_debug.cfs_rq:/.h_nr_delayed.max
0.03 ± 49% +295.2% 0.13 ± 27% sched_debug.cfs_rq:/.h_nr_delayed.stddev
0.09 ± 11% +84.1% 0.17 ± 9% sched_debug.cfs_rq:/.h_nr_running.avg
0.28 ± 6% +43.8% 0.40 ± 11% sched_debug.cfs_rq:/.h_nr_running.stddev
48.57 ± 18% +84.9% 89.82 ± 18% sched_debug.cfs_rq:/.load_avg.avg
947.69 ± 14% +46.5% 1388 ± 33% sched_debug.cfs_rq:/.load_avg.max
166.24 ± 14% +62.3% 269.79 ± 16% sched_debug.cfs_rq:/.load_avg.stddev
8736 ± 9% -37.6% 5452 ± 7% sched_debug.cfs_rq:/.min_vruntime.min
0.09 ± 11% +88.9% 0.18 ± 9% sched_debug.cfs_rq:/.nr_running.avg
1.36 ± 4% +46.9% 2.00 sched_debug.cfs_rq:/.nr_running.max
0.29 ± 6% +50.1% 0.43 ± 9% sched_debug.cfs_rq:/.nr_running.stddev
17.33 ± 38% +147.9% 42.98 ± 29% sched_debug.cfs_rq:/.removed.load_avg.avg
483.56 ± 31% +111.8% 1024 sched_debug.cfs_rq:/.removed.load_avg.max
85.81 ± 31% +132.6% 199.60 ± 14% sched_debug.cfs_rq:/.removed.load_avg.stddev
6.41 ± 42% +176.3% 17.71 ± 38% sched_debug.cfs_rq:/.removed.runnable_avg.avg
239.17 ± 37% +119.8% 525.67 ± 2% sched_debug.cfs_rq:/.removed.runnable_avg.max
34.33 ± 35% +152.5% 86.68 ± 22% sched_debug.cfs_rq:/.removed.runnable_avg.stddev
6.41 ± 42% +176.4% 17.71 ± 38% sched_debug.cfs_rq:/.removed.util_avg.avg
238.94 ± 37% +120.0% 525.67 ± 2% sched_debug.cfs_rq:/.removed.util_avg.max
34.31 ± 35% +152.7% 86.68 ± 22% sched_debug.cfs_rq:/.removed.util_avg.stddev
126.39 ± 12% +132.4% 293.67 ± 3% sched_debug.cfs_rq:/.util_avg.avg
992.22 ± 8% +30.8% 1298 ± 16% sched_debug.cfs_rq:/.util_avg.max
188.05 ± 8% +70.1% 319.91 ± 7% sched_debug.cfs_rq:/.util_avg.stddev
18.55 ± 20% +78.8% 33.17 ± 14% sched_debug.cfs_rq:/.util_est.avg
614.94 ± 29% +62.9% 1002 ± 3% sched_debug.cfs_rq:/.util_est.max
83.77 ± 24% +64.2% 137.53 ± 4% sched_debug.cfs_rq:/.util_est.stddev
196044 ± 15% -98.6% 2808 ± 15% sched_debug.cpu.avg_idle.min
163689 ± 3% +38.6% 226871 ± 4% sched_debug.cpu.avg_idle.stddev
421612 ± 2% -12.7% 367991 sched_debug.cpu.clock.avg
421617 ± 2% -12.7% 367996 sched_debug.cpu.clock.max
421588 ± 2% -12.7% 367986 sched_debug.cpu.clock.min
4.22 ± 27% -38.7% 2.58 ± 4% sched_debug.cpu.clock.stddev
421249 ± 2% -12.7% 367704 sched_debug.cpu.clock_task.avg
421583 ± 2% -12.7% 367963 sched_debug.cpu.clock_task.max
411856 ± 2% -12.8% 359277 sched_debug.cpu.clock_task.min
1029 ± 6% -11.9% 907.72 ± 3% sched_debug.cpu.clock_task.stddev
252.14 ± 13% +61.7% 407.60 ± 6% sched_debug.cpu.curr->pid.avg
5177 ± 6% -42.7% 2967 sched_debug.cpu.curr->pid.max
0.00 ± 9% +38.2% 0.00 ± 17% sched_debug.cpu.next_balance.stddev
0.09 ± 12% +96.6% 0.17 ± 9% sched_debug.cpu.nr_running.avg
0.26 ± 6% +50.6% 0.40 ± 11% sched_debug.cpu.nr_running.stddev
35646 ± 7% -28.2% 25593 ± 2% sched_debug.cpu.nr_switches.avg
711.47 ± 10% -44.3% 396.17 ± 11% sched_debug.cpu.nr_switches.min
52034 ± 7% -16.0% 43686 ± 6% sched_debug.cpu.nr_switches.stddev
0.01 ± 21% +100.0% 0.01 ± 31% sched_debug.cpu.nr_uninterruptible.avg
421610 ± 2% -12.7% 367987 sched_debug.cpu_clk
421050 ± 2% -12.7% 367426 sched_debug.ktime
422192 ± 2% -12.7% 368564 sched_debug.sched_clk
0.01 ± 71% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.filemap_read.xfs_file_buffered_read.xfs_file_read_iter.__io_read
0.06 ± 10% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
0.04 ± 49% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.try_to_shrink_lruvec.shrink_one.shrink_many.shrink_node
0.03 ± 23% -93.6% 0.00 ±223% perf-sched.sch_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.06 ± 33% -100.0% 0.00 perf-sched.sch_delay.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
0.01 ± 20% -100.0% 0.00 perf-sched.sch_delay.avg.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.02 ± 70% -100.0% 0.00 perf-sched.sch_delay.avg.ms.irq_thread.kthread.ret_from_fork.ret_from_fork_asm
0.04 ± 31% -91.0% 0.00 ±170% perf-sched.sch_delay.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown]
0.03 ± 52% -100.0% 0.00 perf-sched.sch_delay.avg.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
0.02 ± 20% -74.2% 0.01 ± 42% perf-sched.sch_delay.avg.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
0.02 ± 33% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
0.04 ± 51% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_timeout.__wait_for_common.__flush_work.__lru_add_drain_all
0.01 ± 44% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
0.01 ± 43% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
0.05 ± 27% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
0.01 ± 35% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_timeout.khugepaged_wait_work.khugepaged.kthread
0.04 ± 25% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
0.03 ± 18% -69.6% 0.01 ± 92% perf-sched.sch_delay.avg.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.02 ± 20% -100.0% 0.00 perf-sched.sch_delay.avg.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open
0.03 ± 75% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.filemap_read.xfs_file_buffered_read.xfs_file_read_iter.__io_read
0.08 ± 4% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
0.07 ± 21% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.try_to_shrink_lruvec.shrink_one.shrink_many.shrink_node
0.04 ± 6% -95.2% 0.00 ±223% perf-sched.sch_delay.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.06 ± 34% -100.0% 0.00 perf-sched.sch_delay.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
3.27 ±147% -100.0% 0.00 perf-sched.sch_delay.max.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.02 ± 89% -100.0% 0.00 perf-sched.sch_delay.max.ms.irq_thread.kthread.ret_from_fork.ret_from_fork_asm
0.07 ± 18% -89.3% 0.01 ±192% perf-sched.sch_delay.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown]
0.08 ± 15% -100.0% 0.00 perf-sched.sch_delay.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
0.10 ± 23% -92.1% 0.01 ± 26% perf-sched.sch_delay.max.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
0.04 ± 38% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
0.07 ± 4% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_timeout.__wait_for_common.__flush_work.__lru_add_drain_all
0.09 ± 30% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
0.02 ± 54% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
0.09 ± 12% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
0.01 ± 35% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_timeout.khugepaged_wait_work.khugepaged.kthread
0.12 ± 26% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
0.07 ± 27% -62.3% 0.03 ± 94% perf-sched.sch_delay.max.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.07 ± 15% -100.0% 0.00 perf-sched.sch_delay.max.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open
0.01 ± 17% +593.2% 0.09 ± 74% perf-sched.total_sch_delay.average.ms
15.98 ± 2% -85.5% 2.32 ± 48% perf-sched.total_wait_and_delay.average.ms
52651 -98.0% 1045 ± 30% perf-sched.total_wait_and_delay.count.ms
4255 ± 13% -98.3% 73.23 ± 15% perf-sched.total_wait_and_delay.max.ms
15.97 ± 2% -86.0% 2.24 ± 53% perf-sched.total_wait_time.average.ms
4255 ± 13% -98.9% 45.89 ± 7% perf-sched.total_wait_time.max.ms
7.81 ± 7% -97.5% 0.19 ± 62% perf-sched.wait_and_delay.avg.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
69.50 ± 29% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
689.13 ± 14% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
17.56 ± 4% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
32.71 -99.4% 0.21 ± 50% perf-sched.wait_and_delay.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
0.78 -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
29.64 ± 3% -97.5% 0.73 ± 7% perf-sched.wait_and_delay.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
403.38 ± 7% -99.4% 2.51 ±223% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
158.27 -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
112.37 ± 23% -96.3% 4.12 ±103% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
285.75 ± 73% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
453.18 -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
47.62 ± 62% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
500.57 ± 7% -98.9% 5.42 ± 59% perf-sched.wait_and_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
561.24 ± 5% -99.5% 3.01 ± 50% perf-sched.wait_and_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
577.00 -40.4% 343.83 ± 23% perf-sched.wait_and_delay.count.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
6.00 ± 31% -100.0% 0.00 perf-sched.wait_and_delay.count.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
10.17 ± 3% -100.0% 0.00 perf-sched.wait_and_delay.count.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
501.83 -100.0% 0.00 perf-sched.wait_and_delay.count.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
45905 -100.0% 0.00 perf-sched.wait_and_delay.count.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
2426 ± 2% -97.9% 51.67 ± 61% perf-sched.wait_and_delay.count.pipe_read.vfs_read.ksys_read.do_syscall_64
37.83 ± 5% -98.7% 0.50 ±223% perf-sched.wait_and_delay.count.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
30.00 -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
2.33 ± 20% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
19.83 -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_timeout.kcompactd.kthread.ret_from_fork
134.67 ± 21% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
1195 ± 3% -99.1% 10.17 ± 54% perf-sched.wait_and_delay.count.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
925.67 ± 7% -58.9% 380.00 ± 24% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
362.33 ± 5% -79.0% 76.17 ± 58% perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
1013 ± 2% -94.8% 53.21 ± 65% perf-sched.wait_and_delay.max.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
89.90 ± 17% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
999.82 -100.0% 0.00 perf-sched.wait_and_delay.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
1000 -100.0% 0.00 perf-sched.wait_and_delay.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
890.88 ± 8% -99.4% 5.21 ±101% perf-sched.wait_and_delay.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
13.58 ±106% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
1013 -99.8% 1.97 ± 28% perf-sched.wait_and_delay.max.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
1464 ± 16% -99.5% 7.52 ±223% perf-sched.wait_and_delay.max.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
250.08 -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
334.30 ± 23% -95.4% 15.29 ±103% perf-sched.wait_and_delay.max.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
355.60 ± 68% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
504.88 -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
111.51 ± 7% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
6.34 ± 18% -28.2% 4.55 ± 11% perf-sched.wait_and_delay.max.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
3150 ± 21% -98.5% 45.76 ± 7% perf-sched.wait_and_delay.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
4235 ± 14% -99.3% 29.44 ± 43% perf-sched.wait_and_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
7.76 ± 7% -98.8% 0.10 ± 61% perf-sched.wait_time.avg.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
0.96 ± 56% -100.0% 0.00 perf-sched.wait_time.avg.ms.__cond_resched.filemap_read.xfs_file_buffered_read.xfs_file_read_iter.__io_read
69.43 ± 29% -100.0% 0.00 perf-sched.wait_time.avg.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
45.25 ± 92% -100.0% 0.00 perf-sched.wait_time.avg.ms.__cond_resched.try_to_shrink_lruvec.shrink_one.shrink_many.shrink_node
689.10 ± 14% -100.0% 0.00 perf-sched.wait_time.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
1.38 ± 9% -100.0% 0.00 perf-sched.wait_time.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
17.55 ± 4% -100.0% 0.00 perf-sched.wait_time.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
32.71 -99.4% 0.21 ± 50% perf-sched.wait_time.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
0.41 ± 4% -14.0% 0.35 ± 3% perf-sched.wait_time.avg.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.77 -100.0% 0.00 perf-sched.wait_time.avg.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
194.51 ±103% -100.0% 0.00 ±223% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown]
29.63 ± 3% -97.6% 0.71 ± 8% perf-sched.wait_time.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
4.01 ± 7% -100.0% 0.00 perf-sched.wait_time.avg.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
403.36 ± 7% -99.3% 2.82 ±193% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
158.25 -100.0% 0.00 perf-sched.wait_time.avg.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
112.32 ± 23% -96.5% 3.93 ±106% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
0.66 ± 4% -100.0% 0.00 perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
285.74 ± 73% -100.0% 0.00 perf-sched.wait_time.avg.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
453.14 -100.0% 0.00 perf-sched.wait_time.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
0.07 ± 83% -100.0% 0.00 perf-sched.wait_time.avg.ms.schedule_timeout.khugepaged_wait_work.khugepaged.kthread
47.57 ± 62% -100.0% 0.00 perf-sched.wait_time.avg.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
3.86 ± 6% -24.9% 2.90 ± 23% perf-sched.wait_time.avg.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
500.56 ± 7% -98.9% 5.38 ± 60% perf-sched.wait_time.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
226.30 ± 64% -100.0% 0.01 ±107% perf-sched.wait_time.avg.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
561.18 ± 5% -99.6% 2.50 ± 79% perf-sched.wait_time.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
1013 ± 2% -97.4% 26.61 ± 65% perf-sched.wait_time.max.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
1.65 ± 66% -100.0% 0.00 perf-sched.wait_time.max.ms.__cond_resched.filemap_read.xfs_file_buffered_read.xfs_file_read_iter.__io_read
89.83 ± 17% -100.0% 0.00 perf-sched.wait_time.max.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
91.01 ± 14% -100.0% 0.00 perf-sched.wait_time.max.ms.__cond_resched.try_to_shrink_lruvec.shrink_one.shrink_many.shrink_node
999.79 -100.0% 0.00 perf-sched.wait_time.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
2.76 ± 9% -100.0% 0.00 perf-sched.wait_time.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
1000 -100.0% 0.00 perf-sched.wait_time.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
890.88 ± 8% -99.4% 5.21 ±101% perf-sched.wait_time.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
15.72 ± 2% -93.4% 1.04 ± 28% perf-sched.wait_time.max.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe
13.23 ±110% -100.0% 0.00 perf-sched.wait_time.max.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
500.20 ± 99% -100.0% 0.01 ±223% perf-sched.wait_time.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown]
1013 -99.8% 1.96 ± 29% perf-sched.wait_time.max.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
4.85 ± 6% -100.0% 0.00 perf-sched.wait_time.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
1464 ± 16% -99.4% 8.15 ±202% perf-sched.wait_time.max.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
250.06 -100.0% 0.00 perf-sched.wait_time.max.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
334.27 ± 23% -95.4% 15.28 ±103% perf-sched.wait_time.max.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
2.04 ± 7% -100.0% 0.00 perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
355.59 ± 68% -100.0% 0.00 perf-sched.wait_time.max.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
504.84 -100.0% 0.00 perf-sched.wait_time.max.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
0.07 ± 83% -100.0% 0.00 perf-sched.wait_time.max.ms.schedule_timeout.khugepaged_wait_work.khugepaged.kthread
111.44 ± 7% -100.0% 0.00 perf-sched.wait_time.max.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
3150 ± 21% -98.7% 39.96 ± 40% perf-sched.wait_time.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
843.01 ± 41% -100.0% 0.03 ± 94% perf-sched.wait_time.max.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
4235 ± 14% -99.5% 21.72 ± 79% perf-sched.wait_time.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
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.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [linux-next:master] [io_uring/rw] 8cf0c45999: fio.read_bw_MBps 51.1% regression
2024-12-27 3:13 [linux-next:master] [io_uring/rw] 8cf0c45999: fio.read_bw_MBps 51.1% regression kernel test robot
@ 2024-12-27 16:48 ` Jens Axboe
2024-12-31 6:36 ` Oliver Sang
0 siblings, 1 reply; 3+ messages in thread
From: Jens Axboe @ 2024-12-27 16:48 UTC (permalink / raw)
To: kernel test robot, Gabriel Krisman Bertazi; +Cc: oe-lkp, lkp, io-uring
On 12/26/24 8:13 PM, kernel test robot wrote:
>
>
> Hello,
>
> kernel test robot noticed a 51.1% regression of fio.read_bw_MBps on:
>
>
> commit: 8cf0c459993ee2911f4f01fba21b1987b102c887 ("io_uring/rw: Allocate async data through helper")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> [test failed on linux-next/master 8155b4ef3466f0e289e8fcc9e6e62f3f4dceeac2]
Took a quick look, and I think that patch forgets to clear ->bytes_done
when we don't have a free_iovec. That looks like a mistake, it should
always get cleared, it has no dependence on ->free_iovec.
diff --git a/io_uring/rw.c b/io_uring/rw.c
index 75f70935ccf4..ca1b19d3d142 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -228,8 +228,8 @@ static int io_rw_alloc_async(struct io_kiocb *req)
kasan_mempool_unpoison_object(rw->free_iovec,
rw->free_iov_nr * sizeof(struct iovec));
req->flags |= REQ_F_NEED_CLEANUP;
- rw->bytes_done = 0;
}
+ rw->bytes_done = 0;
return 0;
}
--
Jens Axboe
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [linux-next:master] [io_uring/rw] 8cf0c45999: fio.read_bw_MBps 51.1% regression
2024-12-27 16:48 ` Jens Axboe
@ 2024-12-31 6:36 ` Oliver Sang
0 siblings, 0 replies; 3+ messages in thread
From: Oliver Sang @ 2024-12-31 6:36 UTC (permalink / raw)
To: Jens Axboe; +Cc: Gabriel Krisman Bertazi, oe-lkp, lkp, io-uring, oliver.sang
hi, Jens Axboe,
On Fri, Dec 27, 2024 at 09:48:58AM -0700, Jens Axboe wrote:
> On 12/26/24 8:13 PM, kernel test robot wrote:
> >
> >
> > Hello,
> >
> > kernel test robot noticed a 51.1% regression of fio.read_bw_MBps on:
> >
> >
> > commit: 8cf0c459993ee2911f4f01fba21b1987b102c887 ("io_uring/rw: Allocate async data through helper")
> > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
> >
> > [test failed on linux-next/master 8155b4ef3466f0e289e8fcc9e6e62f3f4dceeac2]
>
> Took a quick look, and I think that patch forgets to clear ->bytes_done
> when we don't have a free_iovec. That looks like a mistake, it should
> always get cleared, it has no dependence on ->free_iovec.
below patch recover the performance fully. thanks!
Tested-by: kernel test robot <[email protected]>
=========================================================================================
bs/compiler/cpufreq_governor/disk/fs/ioengine/kconfig/nr_task/rootfs/runtime/rw/tbox_group/test_size/testcase:
2M/gcc-12/performance/1SSD/xfs/io_uring/x86_64-rhel-9.4/8t/debian-12-x86_64-20240206.cgz/300s/read/lkp-csl-2sp3/256g/fio-basic
commit:
23d91035ca ("io_uring/net: Allocate msghdr async data through helper")
8cf0c45999 ("io_uring/rw: Allocate async data through helper")
605f6d311e <---- your patch
23d91035cafa30d1 8cf0c459993ee2911f4f01fba21 605f6d311ea47324304d60dd32a
---------------- --------------------------- ---------------------------
%stddev %change %stddev %change %stddev
\ | \ | \
2171 -51.1% 1060 ± 3% +0.2% 2174 fio.read_bw_MBps
full comparison as below [1] FYI
>
> diff --git a/io_uring/rw.c b/io_uring/rw.c
> index 75f70935ccf4..ca1b19d3d142 100644
> --- a/io_uring/rw.c
> +++ b/io_uring/rw.c
> @@ -228,8 +228,8 @@ static int io_rw_alloc_async(struct io_kiocb *req)
> kasan_mempool_unpoison_object(rw->free_iovec,
> rw->free_iov_nr * sizeof(struct iovec));
> req->flags |= REQ_F_NEED_CLEANUP;
> - rw->bytes_done = 0;
> }
> + rw->bytes_done = 0;
> return 0;
> }
>
>
> --
> Jens Axboe
[1]
=========================================================================================
bs/compiler/cpufreq_governor/disk/fs/ioengine/kconfig/nr_task/rootfs/runtime/rw/tbox_group/test_size/testcase:
2M/gcc-12/performance/1SSD/xfs/io_uring/x86_64-rhel-9.4/8t/debian-12-x86_64-20240206.cgz/300s/read/lkp-csl-2sp3/256g/fio-basic
commit:
23d91035ca ("io_uring/net: Allocate msghdr async data through helper")
8cf0c45999 ("io_uring/rw: Allocate async data through helper")
605f6d311e <---- your patch
23d91035cafa30d1 8cf0c459993ee2911f4f01fba21 605f6d311ea47324304d60dd32a
---------------- --------------------------- ---------------------------
%stddev %change %stddev %change %stddev
\ | \ | \
1.169e+10 -97.9% 2.464e+08 ± 4% -0.9% 1.158e+10 cpuidle..time
4187672 ± 5% -98.3% 69610 +1.4% 4247402 ± 3% cpuidle..usage
490.00 -24.5% 370.16 +0.2% 491.13 uptime.boot
45002 -23.4% 34483 +0.2% 45104 uptime.idle
91.67 +3.9% 95.24 -0.1% 91.56 iostat.cpu.idle
6.67 -83.6% 1.09 ± 2% +0.6% 6.71 iostat.cpu.iowait
0.15 ± 3% +1569.3% 2.51 ± 5% +3.2% 0.16 ± 2% iostat.cpu.user
6.77 ± 2% -5.2 1.52 ± 4% +0.0 6.81 mpstat.cpu.all.iowait%
0.03 ± 22% +0.0 0.05 ± 18% -0.0 0.03 ± 24% mpstat.cpu.all.soft%
0.15 ± 4% +4.1 4.23 ± 6% +0.0 0.15 ± 2% mpstat.cpu.all.usr%
5982113 ± 42% -97.3% 160513 ± 30% -4.7% 5699677 ± 47% numa-numastat.node0.local_node
6032931 ± 41% -96.5% 209090 ± 13% -4.6% 5755952 ± 47% numa-numastat.node0.numa_hit
2662250 ±124% -94.1% 155780 ± 31% -33.0% 1783404 ±162% numa-numastat.node1.local_node
2710984 ±121% -92.4% 206648 ± 13% -32.5% 1829467 ±159% numa-numastat.node1.numa_hit
2142706 -87.8% 262066 +0.6% 2156601 vmstat.io.bi
62.03 +2998.4% 1922 +0.0% 62.04 vmstat.io.bo
6.47 ± 3% -100.0% 0.00 +0.3% 6.49 vmstat.procs.b
2.69 ± 12% +173.1% 7.33 ± 8% +2.8% 2.76 ± 9% vmstat.procs.r
19637 -46.7% 10473 ± 4% +0.3% 19702 vmstat.system.cs
34417 ± 3% -10.8% 30715 ± 2% +1.8% 35043 ± 3% vmstat.system.in
121.24 -99.2% 0.96 ± 6% -0.2% 120.98 time.elapsed_time
121.24 -99.2% 0.96 ± 6% -0.2% 120.98 time.elapsed_time.max
5.369e+08 -99.6% 2096533 +0.0% 5.37e+08 time.file_system_inputs
340.33 ± 6% -53.7% 157.67 ± 9% +2.3% 348.20 ± 7% time.involuntary_context_switches
8592 ± 3% -10.2% 7716 +0.1% 8598 ± 4% time.minor_page_faults
89.00 ± 4% +587.6% 612.00 ± 6% -2.8% 86.50 ± 3% time.percent_of_cpu_this_job_got
102.38 ± 4% -99.6% 0.44 ± 2% -3.3% 98.96 ± 3% time.system_time
1101885 -99.6% 4454 -0.3% 1098618 time.voluntary_context_switches
2.37 ± 49% -2.1 0.26 ±103% +0.8 3.16 ± 26% fio.latency_100ms%
81.78 ± 3% -56.2 25.56 ± 29% -0.5 81.27 ± 5% fio.latency_250ms%
0.34 ± 66% -0.3 0.00 +0.6 0.94 ± 54% fio.latency_50ms%
2171 -51.1% 1060 ± 3% +0.2% 2174 fio.read_bw_MBps
4.194e+08 -14.2% 3.6e+08 ± 5% +8.0% 4.53e+08 ± 11% fio.read_clat_99%_ns
121.24 -99.2% 0.96 ± 6% -0.2% 120.98 fio.time.elapsed_time
121.24 -99.2% 0.96 ± 6% -0.2% 120.98 fio.time.elapsed_time.max
5.369e+08 -99.6% 2096533 +0.0% 5.37e+08 fio.time.file_system_inputs
8592 ± 3% -10.2% 7716 +0.1% 8598 ± 4% fio.time.minor_page_faults
89.00 ± 4% +587.6% 612.00 ± 6% -2.8% 86.50 ± 3% fio.time.percent_of_cpu_this_job_got
102.38 ± 4% -99.6% 0.44 ± 2% -3.3% 98.96 ± 3% fio.time.system_time
1101885 -99.6% 4454 -0.3% 1098618 fio.time.voluntary_context_switches
131072 -99.6% 510.83 +0.0% 131072 fio.workload
6857403 ± 71% -100.0% 0.00 +19.9% 8220508 ± 50% numa-meminfo.node0.Active(file)
49781569 ± 10% -98.0% 971701 ±119% +2.0% 50763968 ± 10% numa-meminfo.node0.FilePages
42007683 ± 4% -99.4% 232792 ± 70% -2.9% 40784060 ± 5% numa-meminfo.node0.Inactive
41773509 ± 4% -99.4% 232792 ± 70% -2.9% 40541517 ± 5% numa-meminfo.node0.Inactive(file)
181744 ± 10% -80.2% 36054 ± 50% +5.2% 191237 ± 11% numa-meminfo.node0.KReclaimable
11216992 ± 48% +440.7% 60655275 -10.4% 10049266 ± 55% numa-meminfo.node0.MemFree
54456267 ± 9% -90.8% 5017984 ± 22% +2.1% 55623993 ± 9% numa-meminfo.node0.MemUsed
181744 ± 10% -80.2% 36054 ± 50% +5.2% 191237 ± 11% numa-meminfo.node0.SReclaimable
11353 ± 48% -50.3% 5640 ± 9% -9.8% 10245 ± 60% numa-meminfo.node0.Shmem
46742560 ± 10% -93.7% 2968006 ± 39% -2.4% 45597696 ± 11% numa-meminfo.node1.FilePages
44279309 ± 12% -99.7% 116761 ±141% -0.7% 43985860 ± 12% numa-meminfo.node1.Inactive
44279309 ± 12% -99.7% 116761 ±141% -0.7% 43985860 ± 12% numa-meminfo.node1.Inactive(file)
222588 ± 9% -71.5% 63492 ± 29% -5.5% 210385 ± 10% numa-meminfo.node1.KReclaimable
17706281 ± 29% +248.8% 61765996 +7.6% 19054511 ± 28% numa-meminfo.node1.MemFree
48294686 ± 10% -91.2% 4234972 ± 26% -2.8% 46946456 ± 11% numa-meminfo.node1.MemUsed
222588 ± 9% -71.5% 63492 ± 29% -5.5% 210385 ± 10% numa-meminfo.node1.SReclaimable
19553 ± 30% -91.4% 1688 ± 29% +4.2% 20377 ± 31% numa-meminfo.node1.Shmem
484021 ± 22% -54.2% 221920 ± 54% -15.5% 408872 ± 16% numa-meminfo.node1.Slab
8292851 ± 60% -91.7% 685299 +9.9% 9110413 ± 44% meminfo.Active
993491 ± 17% -31.0% 685299 -1.3% 980308 ± 15% meminfo.Active(anon)
7299359 ± 70% -100.0% 0.00 +11.4% 8130104 ± 51% meminfo.Active(file)
1059116 ± 3% -57.9% 446122 ± 20% -9.0% 963510 ± 10% meminfo.AnonHugePages
1199023 -43.1% 682106 -0.3% 1194992 meminfo.AnonPages
96504886 -95.9% 3939272 -0.2% 96340575 meminfo.Cached
1771531 -52.2% 846516 ± 3% +0.2% 1774404 meminfo.Committed_AS
85824229 ± 5% -99.6% 349553 -1.1% 84838187 ± 4% meminfo.Inactive
85591704 ± 5% -99.6% 349553 -1.2% 84596818 ± 4% meminfo.Inactive(file)
404111 -75.5% 99205 -0.7% 401394 meminfo.KReclaimable
82199 -26.3% 60586 +0.4% 82511 meminfo.Mapped
28942581 ± 2% +323.0% 1.224e+08 +0.6% 29124721 meminfo.MemFree
1.027e+08 -91.0% 9249647 -0.2% 1.025e+08 meminfo.Memused
2432 -62.3% 917.33 ± 79% +0.0% 2432 ± 3% meminfo.Mlocked
404111 -75.5% 99205 -0.7% 401394 meminfo.SReclaimable
600546 -30.5% 417425 -0.1% 600233 meminfo.SUnreclaim
30852 ± 2% -77.6% 6905 ± 5% -1.0% 30536 meminfo.Shmem
1004658 -48.6% 516630 -0.3% 1001628 meminfo.Slab
1.028e+08 -91.0% 9249647 -0.2% 1.026e+08 meminfo.max_used_kB
1780344 ± 71% -100.0% 0.00 +25.0% 2225468 ± 50% numa-vmstat.node0.nr_active_file
12441416 ± 10% -98.0% 242939 ±119% +2.0% 12690240 ± 10% numa-vmstat.node0.nr_file_pages
2808184 ± 48% +440.0% 15163781 -10.5% 2513104 ± 55% numa-vmstat.node0.nr_free_pages
10373418 ± 5% -99.4% 58198 ± 70% -3.9% 9964288 ± 3% numa-vmstat.node0.nr_inactive_file
2830 ± 48% -49.7% 1424 ± 8% -9.6% 2559 ± 60% numa-vmstat.node0.nr_shmem
45390 ± 10% -80.1% 9015 ± 50% +5.3% 47791 ± 11% numa-vmstat.node0.nr_slab_reclaimable
1779467 ± 71% -100.0% 0.00 +25.0% 2224367 ± 50% numa-vmstat.node0.nr_zone_active_file
10374301 ± 5% -99.4% 58198 ± 70% -3.9% 9965396 ± 3% numa-vmstat.node0.nr_zone_inactive_file
6032577 ± 41% -96.5% 209022 ± 13% -4.6% 5755362 ± 47% numa-vmstat.node0.numa_hit
5981759 ± 42% -97.3% 160445 ± 30% -4.7% 5699087 ± 47% numa-vmstat.node0.numa_local
60865 ± 46% -100.0% 0.00 -16.8% 50609 ± 41% numa-vmstat.node0.workingset_nodes
11683973 ± 10% -93.6% 742001 ± 39% -2.4% 11401511 ± 11% numa-vmstat.node1.nr_file_pages
4428033 ± 29% +248.7% 15441242 +7.5% 4761384 ± 28% numa-vmstat.node1.nr_free_pages
11068153 ± 12% -99.7% 29190 ±141% -0.6% 10998539 ± 12% numa-vmstat.node1.nr_inactive_file
4895 ± 30% -91.4% 422.28 ± 29% +4.3% 5107 ± 31% numa-vmstat.node1.nr_shmem
55624 ± 9% -71.5% 15873 ± 29% -5.4% 52619 ± 10% numa-vmstat.node1.nr_slab_reclaimable
11068150 ± 12% -99.7% 29190 ±141% -0.6% 10998535 ± 12% numa-vmstat.node1.nr_zone_inactive_file
2710384 ±121% -92.4% 205957 ± 13% -32.5% 1828924 ±159% numa-vmstat.node1.numa_hit
2661650 ±124% -94.2% 155089 ± 31% -33.0% 1782861 ±162% numa-vmstat.node1.numa_local
96303 ± 31% -100.0% 0.00 +7.8% 103794 ± 21% numa-vmstat.node1.workingset_nodes
21.85 ± 22% -95.7% 0.93 ± 9% -6.2% 20.49 ± 21% perf-stat.i.MPKI
7.833e+08 ± 36% +248.8% 2.733e+09 +11.1% 8.702e+08 ± 28% perf-stat.i.branch-instructions
1.20 ± 21% +1.4 2.60 -0.1 1.11 ± 23% perf-stat.i.branch-miss-rate%
10294722 ± 8% +588.8% 70910805 +1.9% 10489353 ± 5% perf-stat.i.branch-misses
71.04 ± 7% -45.3 25.71 ± 6% +1.9 72.95 ± 7% perf-stat.i.cache-miss-rate%
67179322 ± 23% -82.0% 12088775 ± 8% +7.8% 72424185 ± 18% perf-stat.i.cache-misses
92053950 ± 16% -49.0% 46958614 ± 2% +5.7% 97306974 ± 12% perf-stat.i.cache-references
19893 -57.6% 8444 ± 6% +0.5% 19982 perf-stat.i.context-switches
1.42 ± 18% +47.0% 2.09 ± 6% -3.7% 1.37 ± 21% perf-stat.i.cpi
96008 +3.1% 99012 -0.0% 96007 perf-stat.i.cpu-clock
5.166e+09 ± 27% +426.7% 2.721e+10 ± 5% +9.2% 5.642e+09 ± 19% perf-stat.i.cpu-cycles
109.64 +297.0% 435.28 ± 26% -0.2% 109.44 perf-stat.i.cpu-migrations
95.02 ± 12% +2287.2% 2268 ± 10% -1.4% 93.64 ± 4% perf-stat.i.cycles-between-cache-misses
4.488e+09 ± 40% +190.0% 1.301e+10 +12.3% 5.042e+09 ± 30% perf-stat.i.instructions
0.78 ± 18% -38.5% 0.48 ± 6% +4.8% 0.82 ± 17% perf-stat.i.ipc
3257 +2386.4% 81003 ± 2% -0.3% 3248 perf-stat.i.minor-faults
3257 +2386.3% 81001 ± 2% -0.3% 3248 perf-stat.i.page-faults
96008 +3.1% 99013 -0.0% 96007 perf-stat.i.task-clock
16.77 ± 26% -94.5% 0.93 ± 9% -7.2% 15.57 ± 25% perf-stat.overall.MPKI
1.53 ± 39% +1.1 2.60 -0.2 1.36 ± 39% perf-stat.overall.branch-miss-rate%
72.01 ± 8% -46.3 25.71 ± 6% +1.7 73.69 ± 8% perf-stat.overall.cache-miss-rate%
1.26 ± 22% +66.0% 2.09 ± 6% -4.2% 1.21 ± 23% perf-stat.overall.cpi
76.07 ± 5% +2881.9% 2268 ± 10% +2.2% 77.75 perf-stat.overall.cycles-between-cache-misses
0.83 ± 18% -42.0% 0.48 ± 6% +4.4% 0.86 ± 17% perf-stat.overall.ipc
4201457 ± 40% +507.2% 25510793 +10.9% 4661229 ± 30% perf-stat.overall.path-length
7.771e+08 ± 36% +72.4% 1.34e+09 +11.1% 8.631e+08 ± 28% perf-stat.ps.branch-instructions
10227839 ± 8% +239.9% 34759364 +1.8% 10413922 ± 5% perf-stat.ps.branch-misses
66623351 ± 23% -91.1% 5924306 ± 8% +7.8% 71821853 ± 18% perf-stat.ps.cache-misses
91293692 ± 16% -74.8% 23018351 ± 2% +5.7% 96498110 ± 12% perf-stat.ps.cache-references
19729 -79.0% 4140 ± 6% +0.4% 19817 perf-stat.ps.context-switches
95218 -49.0% 48533 -0.0% 95211 perf-stat.ps.cpu-clock
5.123e+09 ± 27% +160.3% 1.334e+10 ± 5% +9.2% 5.594e+09 ± 19% perf-stat.ps.cpu-cycles
108.79 +95.9% 213.12 ± 25% -0.2% 108.56 perf-stat.ps.cpu-migrations
4.452e+09 ± 40% +43.3% 6.38e+09 +12.3% 5e+09 ± 30% perf-stat.ps.instructions
3230 +1129.5% 39716 ± 3% -0.4% 3218 perf-stat.ps.minor-faults
3230 +1129.5% 39715 ± 3% -0.4% 3218 perf-stat.ps.page-faults
95218 -49.0% 48533 -0.0% 95211 perf-stat.ps.task-clock
5.507e+11 ± 40% -97.6% 1.303e+10 +10.9% 6.11e+11 ± 30% perf-stat.total.instructions
428.50 ±113% -100.0% 0.00 -32.7% 288.40 ±132% proc-vmstat.kswapd_high_wmark_hit_quickly
1663 ± 68% -100.0% 0.00 +20.0% 1995 ± 47% proc-vmstat.kswapd_low_wmark_hit_quickly
248125 ± 17% -30.9% 171528 -1.3% 244986 ± 15% proc-vmstat.nr_active_anon
1740791 ± 71% -100.0% 0.00 +16.8% 2033072 ± 51% proc-vmstat.nr_active_file
299833 -43.1% 170711 -0.4% 298782 proc-vmstat.nr_anon_pages
517.25 ± 3% -57.9% 217.83 ± 20% -9.0% 470.49 ± 10% proc-vmstat.nr_anon_transparent_hugepages
24125371 -95.9% 984856 -0.2% 24081001 proc-vmstat.nr_file_pages
7236331 +322.9% 30605541 +0.7% 7285216 proc-vmstat.nr_free_pages
21481117 ± 5% -99.6% 87388 -1.6% 21144500 ± 4% proc-vmstat.nr_inactive_file
20818 -25.3% 15557 +0.4% 20894 proc-vmstat.nr_mapped
608.02 -62.3% 229.33 ± 79% +0.0% 608.17 ± 3% proc-vmstat.nr_mlock
7717 -77.2% 1762 ± 4% -0.9% 7646 proc-vmstat.nr_shmem
101012 -75.4% 24886 -0.7% 100304 proc-vmstat.nr_slab_reclaimable
150134 -30.4% 104433 -0.1% 150047 proc-vmstat.nr_slab_unreclaimable
248125 ± 17% -30.9% 171528 -1.3% 244986 ± 15% proc-vmstat.nr_zone_active_anon
1740790 ± 71% -100.0% 0.00 +16.8% 2033071 ± 51% proc-vmstat.nr_zone_active_file
21481124 ± 5% -99.6% 87388 -1.6% 21144511 ± 4% proc-vmstat.nr_zone_inactive_file
9755834 ± 25% -100.0% 0.00 +12.1% 10940500 ± 3% proc-vmstat.numa_foreign
995.00 ± 26% -95.4% 45.33 ±164% +35.7% 1350 ± 82% proc-vmstat.numa_hint_faults
939.00 ± 28% -96.3% 34.67 ±204% +30.4% 1224 ± 91% proc-vmstat.numa_hint_faults_local
8745252 ± 28% -95.2% 416538 -13.3% 7584794 ± 3% proc-vmstat.numa_hit
8645700 ± 28% -96.3% 317091 -13.5% 7482456 ± 3% proc-vmstat.numa_local
9755622 ± 25% -100.0% 0.00 +12.1% 10939557 ± 3% proc-vmstat.numa_miss
9856110 ± 25% -99.0% 99445 +12.0% 11040265 ± 3% proc-vmstat.numa_other
386923 -97.4% 9959 ±222% -0.6% 384707 proc-vmstat.numa_pte_updates
2224 ± 32% -100.0% 0.00 +9.4% 2433 ± 25% proc-vmstat.pageoutrun
423905 ± 3% -100.0% 0.00 +1.5% 430262 ± 3% proc-vmstat.pgalloc_dma32
68828649 -98.9% 752946 +0.1% 68875748 proc-vmstat.pgalloc_normal
498127 -61.7% 190797 -0.8% 494373 proc-vmstat.pgfault
38943033 -99.2% 297228 +0.4% 39088883 proc-vmstat.pgfree
2.685e+08 -99.6% 1048266 -0.0% 2.684e+08 proc-vmstat.pgpgin
22286 ± 3% -58.9% 9168 ± 6% +1.3% 22573 proc-vmstat.pgreuse
36664920 -100.0% 0.00 -0.0% 36656051 proc-vmstat.pgscan_file
36664920 -100.0% 0.00 -0.0% 36656051 proc-vmstat.pgscan_kswapd
36664893 -100.0% 0.00 -0.0% 36655993 proc-vmstat.pgsteal_file
36664893 -100.0% 0.00 -0.0% 36655993 proc-vmstat.pgsteal_kswapd
30510 ± 9% -100.0% 0.00 +0.7% 30728 ± 8% proc-vmstat.slabs_scanned
157121 ± 3% -100.0% 0.00 -2.1% 153839 proc-vmstat.workingset_nodes
9.70 ± 66% -9.4 0.32 ±223% -0.9 8.78 ± 35% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
9.09 ± 54% -9.1 0.00 -0.4 8.72 ± 25% perf-profile.calltrace.cycles-pp.record__pushfn.perf_mmap__push.record__mmap_read_evlist.__cmd_record.cmd_record
9.09 ± 54% -9.1 0.00 -0.4 8.72 ± 25% perf-profile.calltrace.cycles-pp.write.writen.record__pushfn.perf_mmap__push.record__mmap_read_evlist
9.09 ± 54% -9.1 0.00 -0.4 8.72 ± 25% perf-profile.calltrace.cycles-pp.writen.record__pushfn.perf_mmap__push.record__mmap_read_evlist.__cmd_record
13.49 ± 32% -8.7 4.75 ± 38% -1.1 12.42 ± 13% perf-profile.calltrace.cycles-pp.handle_internal_command.main
13.49 ± 32% -8.7 4.75 ± 38% -1.1 12.42 ± 13% perf-profile.calltrace.cycles-pp.main
13.49 ± 32% -8.7 4.75 ± 38% -1.1 12.42 ± 13% perf-profile.calltrace.cycles-pp.run_builtin.handle_internal_command.main
8.57 ± 57% -8.6 0.00 -0.3 8.24 ± 25% perf-profile.calltrace.cycles-pp.generic_perform_write.shmem_file_write_iter.vfs_write.ksys_write.do_syscall_64
8.57 ± 57% -8.6 0.00 -0.3 8.24 ± 25% perf-profile.calltrace.cycles-pp.shmem_file_write_iter.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
8.57 ± 57% -8.6 0.00 -0.2 8.40 ± 27% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write.writen.record__pushfn
8.57 ± 57% -8.6 0.00 -0.2 8.40 ± 27% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write.writen.record__pushfn.perf_mmap__push
8.57 ± 57% -8.6 0.00 -0.2 8.40 ± 27% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write.writen
9.34 ± 22% -6.9 2.45 ± 67% +0.0 9.35 ± 25% perf-profile.calltrace.cycles-pp.__cmd_record.cmd_record.run_builtin.handle_internal_command.main
9.34 ± 22% -6.9 2.45 ± 67% +0.0 9.35 ± 25% perf-profile.calltrace.cycles-pp.cmd_record.run_builtin.handle_internal_command.main
7.20 ± 25% -5.5 1.70 ± 79% +1.3 8.52 ± 28% perf-profile.calltrace.cycles-pp.perf_mmap__push.record__mmap_read_evlist.__cmd_record.cmd_record.run_builtin
7.20 ± 25% -5.5 1.70 ± 79% +1.3 8.52 ± 28% perf-profile.calltrace.cycles-pp.record__mmap_read_evlist.__cmd_record.cmd_record.run_builtin.handle_internal_command
0.37 ±142% +1.0 1.38 ± 79% +1.2 1.61 ± 25% perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput.exit_mm
0.37 ±142% +1.0 1.38 ± 79% +1.2 1.61 ± 25% perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput
0.37 ±142% +1.0 1.38 ± 79% +1.2 1.61 ± 25% perf-profile.calltrace.cycles-pp.tlb_finish_mmu.exit_mmap.__mmput.exit_mm.do_exit
1.21 ±112% +2.2 3.41 ± 70% +3.1 4.30 ± 38% perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap.__mmput
1.21 ±112% +2.2 3.41 ± 70% +3.1 4.30 ± 38% perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap
1.21 ±112% +2.6 3.85 ± 75% +3.2 4.38 ± 42% perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.__mmput.exit_mm.do_exit
1.01 ±141% +2.8 3.85 ± 75% +3.2 4.24 ± 40% perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.exit_mmap.__mmput.exit_mm
2.20 ±101% +3.5 5.73 ± 58% +5.4 7.65 ± 37% perf-profile.calltrace.cycles-pp.exit_mmap.__mmput.exit_mm.do_exit.do_group_exit
10.62 ± 57% -9.4 1.17 ±142% -1.2 9.37 ± 31% perf-profile.children.cycles-pp.write
9.69 ± 66% -9.4 0.32 ±223% -0.9 8.78 ± 35% perf-profile.children.cycles-pp.ksys_write
9.69 ± 66% -9.4 0.32 ±223% -0.9 8.78 ± 35% perf-profile.children.cycles-pp.vfs_write
13.49 ± 32% -9.1 4.41 ± 47% -1.1 12.42 ± 13% perf-profile.children.cycles-pp.__cmd_record
13.49 ± 32% -9.1 4.41 ± 47% -1.1 12.42 ± 13% perf-profile.children.cycles-pp.cmd_record
9.09 ± 54% -8.8 0.32 ±223% -0.1 9.03 ± 23% perf-profile.children.cycles-pp.writen
9.09 ± 54% -8.7 0.34 ±223% -0.3 8.83 ± 23% perf-profile.children.cycles-pp.record__pushfn
13.49 ± 32% -8.7 4.75 ± 38% -1.1 12.42 ± 13% perf-profile.children.cycles-pp.handle_internal_command
13.49 ± 32% -8.7 4.75 ± 38% -1.1 12.42 ± 13% perf-profile.children.cycles-pp.main
13.49 ± 32% -8.7 4.75 ± 38% -1.1 12.42 ± 13% perf-profile.children.cycles-pp.run_builtin
8.56 ± 57% -8.6 0.00 -0.3 8.24 ± 25% perf-profile.children.cycles-pp.generic_perform_write
8.56 ± 57% -8.6 0.00 -0.3 8.24 ± 25% perf-profile.children.cycles-pp.shmem_file_write_iter
9.94 ± 51% -8.2 1.70 ± 79% -0.3 9.60 ± 23% perf-profile.children.cycles-pp.perf_mmap__push
9.94 ± 51% -8.2 1.70 ± 79% -0.3 9.60 ± 23% perf-profile.children.cycles-pp.record__mmap_read_evlist
0.85 ± 82% +0.5 1.38 ± 79% +1.5 2.33 ± 28% perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages
0.85 ± 82% +0.5 1.38 ± 79% +1.5 2.33 ± 28% perf-profile.children.cycles-pp.free_pages_and_swap_cache
0.56 ±100% +0.8 1.38 ± 79% +1.1 1.66 ± 21% perf-profile.children.cycles-pp.tlb_finish_mmu
0.96 ±115% +2.0 2.98 ± 76% +2.4 3.41 ± 30% perf-profile.children.cycles-pp.zap_present_ptes
1.38 ±116% +2.0 3.41 ± 70% +3.0 4.34 ± 37% perf-profile.children.cycles-pp.zap_pmd_range
1.38 ±116% +2.0 3.41 ± 70% +3.0 4.34 ± 37% perf-profile.children.cycles-pp.zap_pte_range
1.58 ± 94% +2.3 3.85 ± 75% +2.9 4.49 ± 40% perf-profile.children.cycles-pp.unmap_vmas
1.38 ±116% +2.5 3.85 ± 75% +3.0 4.34 ± 37% perf-profile.children.cycles-pp.unmap_page_range
2.20 ±101% +3.5 5.73 ± 58% +5.6 7.77 ± 36% perf-profile.children.cycles-pp.exit_mm
2.40 ± 86% +3.5 5.95 ± 55% +5.4 7.86 ± 39% perf-profile.children.cycles-pp.exit_mmap
2.40 ± 86% +3.5 5.95 ± 55% +5.6 7.98 ± 38% perf-profile.children.cycles-pp.__mmput
8736 ± 9% -37.6% 5455 ± 7% +8.3% 9460 ± 23% sched_debug.cfs_rq:/.avg_vruntime.min
0.00 ± 56% +407.7% 0.02 ± 58% +1.5% 0.00 ± 56% sched_debug.cfs_rq:/.h_nr_delayed.avg
0.31 ± 48% +227.3% 1.00 +9.1% 0.33 ± 54% sched_debug.cfs_rq:/.h_nr_delayed.max
0.03 ± 49% +295.2% 0.13 ± 27% +5.7% 0.04 ± 53% sched_debug.cfs_rq:/.h_nr_delayed.stddev
0.09 ± 11% +84.1% 0.17 ± 9% +5.5% 0.10 ± 17% sched_debug.cfs_rq:/.h_nr_running.avg
0.28 ± 6% +43.8% 0.40 ± 11% +0.9% 0.28 ± 9% sched_debug.cfs_rq:/.h_nr_running.stddev
48.57 ± 18% +84.9% 89.82 ± 18% +75.3% 85.12 ±102% sched_debug.cfs_rq:/.load_avg.avg
947.69 ± 14% +46.5% 1388 ± 33% +297.9% 3771 ±221% sched_debug.cfs_rq:/.load_avg.max
166.24 ± 14% +62.3% 269.79 ± 16% +175.8% 458.43 ±180% sched_debug.cfs_rq:/.load_avg.stddev
8736 ± 9% -37.6% 5452 ± 7% +8.3% 9460 ± 23% sched_debug.cfs_rq:/.min_vruntime.min
0.09 ± 11% +88.9% 0.18 ± 9% +5.7% 0.10 ± 18% sched_debug.cfs_rq:/.nr_running.avg
1.36 ± 4% +46.9% 2.00 -2.0% 1.33 ± 13% sched_debug.cfs_rq:/.nr_running.max
0.29 ± 6% +50.1% 0.43 ± 9% +1.0% 0.29 ± 10% sched_debug.cfs_rq:/.nr_running.stddev
17.33 ± 38% +147.9% 42.98 ± 29% +44.5% 25.05 ± 43% sched_debug.cfs_rq:/.removed.load_avg.avg
483.56 ± 31% +111.8% 1024 +37.6% 665.60 ± 40% sched_debug.cfs_rq:/.removed.load_avg.max
85.81 ± 31% +132.6% 199.60 ± 14% +38.4% 118.74 ± 36% sched_debug.cfs_rq:/.removed.load_avg.stddev
6.41 ± 42% +176.3% 17.71 ± 38% +50.5% 9.65 ± 51% sched_debug.cfs_rq:/.removed.runnable_avg.avg
239.17 ± 37% +119.8% 525.67 ± 2% +37.4% 328.52 ± 42% sched_debug.cfs_rq:/.removed.runnable_avg.max
34.33 ± 35% +152.5% 86.68 ± 22% +45.2% 49.85 ± 44% sched_debug.cfs_rq:/.removed.runnable_avg.stddev
6.41 ± 42% +176.4% 17.71 ± 38% +50.4% 9.64 ± 51% sched_debug.cfs_rq:/.removed.util_avg.avg
238.94 ± 37% +120.0% 525.67 ± 2% +37.5% 328.52 ± 42% sched_debug.cfs_rq:/.removed.util_avg.max
34.31 ± 35% +152.7% 86.68 ± 22% +45.2% 49.82 ± 44% sched_debug.cfs_rq:/.removed.util_avg.stddev
126.39 ± 12% +132.4% 293.67 ± 3% +12.1% 141.62 ± 16% sched_debug.cfs_rq:/.util_avg.avg
992.22 ± 8% +30.8% 1298 ± 16% +9.1% 1082 ± 23% sched_debug.cfs_rq:/.util_avg.max
188.05 ± 8% +70.1% 319.91 ± 7% +8.7% 204.36 ± 12% sched_debug.cfs_rq:/.util_avg.stddev
18.55 ± 20% +78.8% 33.17 ± 14% +7.6% 19.97 ± 21% sched_debug.cfs_rq:/.util_est.avg
614.94 ± 29% +62.9% 1002 ± 3% +10.9% 682.00 ± 24% sched_debug.cfs_rq:/.util_est.max
83.77 ± 24% +64.2% 137.53 ± 4% +9.7% 91.87 ± 22% sched_debug.cfs_rq:/.util_est.stddev
196044 ± 15% -98.6% 2808 ± 15% -17.2% 162396 ± 48% sched_debug.cpu.avg_idle.min
163689 ± 3% +38.6% 226871 ± 4% -0.3% 163181 ± 8% sched_debug.cpu.avg_idle.stddev
421612 ± 2% -12.7% 367991 -1.1% 416790 ± 4% sched_debug.cpu.clock.avg
421617 ± 2% -12.7% 367996 -1.1% 416795 ± 4% sched_debug.cpu.clock.max
421588 ± 2% -12.7% 367986 -1.1% 416772 ± 4% sched_debug.cpu.clock.min
4.22 ± 27% -38.7% 2.58 ± 4% -15.7% 3.55 ± 37% sched_debug.cpu.clock.stddev
421249 ± 2% -12.7% 367704 -1.1% 416439 ± 4% sched_debug.cpu.clock_task.avg
421583 ± 2% -12.7% 367963 -1.1% 416760 ± 4% sched_debug.cpu.clock_task.max
411856 ± 2% -12.8% 359277 -1.2% 406861 ± 4% sched_debug.cpu.clock_task.min
1029 ± 6% -11.9% 907.72 ± 3% +1.1% 1041 ± 8% sched_debug.cpu.clock_task.stddev
252.14 ± 13% +61.7% 407.60 ± 6% +6.5% 268.49 ± 9% sched_debug.cpu.curr->pid.avg
5177 ± 6% -42.7% 2967 -4.5% 4944 ± 9% sched_debug.cpu.curr->pid.max
0.00 ± 9% +38.2% 0.00 ± 17% -3.3% 0.00 ± 18% sched_debug.cpu.next_balance.stddev
0.09 ± 12% +96.6% 0.17 ± 9% +8.0% 0.09 ± 16% sched_debug.cpu.nr_running.avg
0.26 ± 6% +50.6% 0.40 ± 11% +2.1% 0.27 ± 10% sched_debug.cpu.nr_running.stddev
35646 ± 7% -28.2% 25593 ± 2% -3.2% 34501 ± 12% sched_debug.cpu.nr_switches.avg
711.47 ± 10% -44.3% 396.17 ± 11% -7.2% 659.97 ± 19% sched_debug.cpu.nr_switches.min
52034 ± 7% -16.0% 43686 ± 6% -0.6% 51709 ± 16% sched_debug.cpu.nr_switches.stddev
0.01 ± 21% +100.0% 0.01 ± 31% -5.7% 0.01 ± 54% sched_debug.cpu.nr_uninterruptible.avg
421610 ± 2% -12.7% 367987 -1.1% 416787 ± 4% sched_debug.cpu_clk
421050 ± 2% -12.7% 367426 -1.1% 416227 ± 4% sched_debug.ktime
422192 ± 2% -12.7% 368564 -1.1% 417374 ± 4% sched_debug.sched_clk
0.01 ± 71% -100.0% 0.00 +27.1% 0.02 ± 91% perf-sched.sch_delay.avg.ms.__cond_resched.filemap_read.xfs_file_buffered_read.xfs_file_read_iter.__io_read
0.06 ± 10% -100.0% 0.00 -4.4% 0.06 ± 22% perf-sched.sch_delay.avg.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
0.04 ± 49% -100.0% 0.00 -1.1% 0.04 ± 50% perf-sched.sch_delay.avg.ms.__cond_resched.try_to_shrink_lruvec.shrink_one.shrink_many.shrink_node
0.03 ± 23% -93.6% 0.00 ±223% +5.9% 0.03 ± 18% perf-sched.sch_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.06 ± 33% -100.0% 0.00 -20.4% 0.05 ± 63% perf-sched.sch_delay.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
0.01 ± 20% -100.0% 0.00 -8.2% 0.01 ± 19% perf-sched.sch_delay.avg.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.02 ± 70% -100.0% 0.00 -32.0% 0.01 ± 73% perf-sched.sch_delay.avg.ms.irq_thread.kthread.ret_from_fork.ret_from_fork_asm
0.04 ± 31% -91.0% 0.00 ±170% -12.6% 0.04 ± 55% perf-sched.sch_delay.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown]
0.03 ± 52% -100.0% 0.00 +71.6% 0.06 ± 19% perf-sched.sch_delay.avg.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
0.02 ± 20% -74.2% 0.01 ± 42% +18.2% 0.03 ± 36% perf-sched.sch_delay.avg.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
0.02 ± 33% -100.0% 0.00 +11.4% 0.02 ± 36% perf-sched.sch_delay.avg.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
0.04 ± 51% -100.0% 0.00 -47.4% 0.02 ±113% perf-sched.sch_delay.avg.ms.schedule_timeout.__wait_for_common.__flush_work.__lru_add_drain_all
0.01 ± 44% -100.0% 0.00 +7.8% 0.01 ± 19% perf-sched.sch_delay.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
0.01 ± 43% -100.0% 0.00 -23.7% 0.01 ± 67% perf-sched.sch_delay.avg.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
0.05 ± 27% -100.0% 0.00 +7.9% 0.05 ± 26% perf-sched.sch_delay.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
0.01 ± 35% -100.0% 0.00 -45.3% 0.00 ±108% perf-sched.sch_delay.avg.ms.schedule_timeout.khugepaged_wait_work.khugepaged.kthread
0.04 ± 25% -100.0% 0.00 -16.5% 0.04 ± 13% perf-sched.sch_delay.avg.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
0.03 ± 18% -69.6% 0.01 ± 92% +36.7% 0.04 ± 46% perf-sched.sch_delay.avg.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.02 ± 20% -100.0% 0.00 +2.3% 0.02 ± 19% perf-sched.sch_delay.avg.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open
0.03 ± 75% -100.0% 0.00 +7.1% 0.03 ± 90% perf-sched.sch_delay.max.ms.__cond_resched.filemap_read.xfs_file_buffered_read.xfs_file_read_iter.__io_read
0.08 ± 4% -100.0% 0.00 +7.7% 0.08 ± 20% perf-sched.sch_delay.max.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
0.07 ± 21% -100.0% 0.00 +10.9% 0.07 ± 18% perf-sched.sch_delay.max.ms.__cond_resched.try_to_shrink_lruvec.shrink_one.shrink_many.shrink_node
0.04 ± 6% -95.2% 0.00 ±223% +8.3% 0.04 ± 19% perf-sched.sch_delay.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.06 ± 34% -100.0% 0.00 -18.8% 0.05 ± 65% perf-sched.sch_delay.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
3.27 ±147% -100.0% 0.00 -93.3% 0.22 ± 62% perf-sched.sch_delay.max.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.02 ± 89% -100.0% 0.00 -41.1% 0.01 ± 76% perf-sched.sch_delay.max.ms.irq_thread.kthread.ret_from_fork.ret_from_fork_asm
0.07 ± 18% -89.3% 0.01 ±192% -12.4% 0.06 ± 53% perf-sched.sch_delay.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown]
0.08 ± 15% -100.0% 0.00 +22.4% 0.10 ± 11% perf-sched.sch_delay.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
0.10 ± 23% -92.1% 0.01 ± 26% +115.2% 0.22 ±161% perf-sched.sch_delay.max.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
0.04 ± 38% -100.0% 0.00 -4.4% 0.03 ± 38% perf-sched.sch_delay.max.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
0.07 ± 4% -100.0% 0.00 -42.8% 0.04 ± 84% perf-sched.sch_delay.max.ms.schedule_timeout.__wait_for_common.__flush_work.__lru_add_drain_all
0.09 ± 30% -100.0% 0.00 +0.5% 0.09 ± 17% perf-sched.sch_delay.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
0.02 ± 54% -100.0% 0.00 +6.4% 0.02 ±105% perf-sched.sch_delay.max.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
0.09 ± 12% -100.0% 0.00 +0.7% 0.09 ± 15% perf-sched.sch_delay.max.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
0.01 ± 35% -100.0% 0.00 -45.3% 0.00 ±108% perf-sched.sch_delay.max.ms.schedule_timeout.khugepaged_wait_work.khugepaged.kthread
0.12 ± 26% -100.0% 0.00 +7.4% 0.13 ± 19% perf-sched.sch_delay.max.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
0.07 ± 27% -62.3% 0.03 ± 94% +7.3% 0.07 ± 37% perf-sched.sch_delay.max.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.07 ± 15% -100.0% 0.00 -0.1% 0.07 ± 16% perf-sched.sch_delay.max.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open
0.01 ± 17% +593.2% 0.09 ± 74% -5.1% 0.01 ± 15% perf-sched.total_sch_delay.average.ms
15.98 ± 2% -85.5% 2.32 ± 48% +0.3% 16.03 ± 2% perf-sched.total_wait_and_delay.average.ms
52651 -98.0% 1045 ± 30% -0.1% 52620 perf-sched.total_wait_and_delay.count.ms
4255 ± 13% -98.3% 73.23 ± 15% -9.1% 3867 ± 15% perf-sched.total_wait_and_delay.max.ms
15.97 ± 2% -86.0% 2.24 ± 53% +0.3% 16.02 ± 2% perf-sched.total_wait_time.average.ms
4255 ± 13% -98.9% 45.89 ± 7% -9.1% 3866 ± 15% perf-sched.total_wait_time.max.ms
7.81 ± 7% -97.5% 0.19 ± 62% -3.0% 7.58 ± 7% perf-sched.wait_and_delay.avg.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
69.50 ± 29% -100.0% 0.00 -2.9% 67.48 ± 26% perf-sched.wait_and_delay.avg.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
689.13 ± 14% -100.0% 0.00 +10.2% 759.73 ± 12% perf-sched.wait_and_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
17.56 ± 4% -100.0% 0.00 +0.6% 17.67 ± 3% perf-sched.wait_and_delay.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
32.71 -99.4% 0.21 ± 50% -1.6% 32.18 perf-sched.wait_and_delay.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
0.78 -100.0% 0.00 +0.5% 0.79 perf-sched.wait_and_delay.avg.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
29.64 ± 3% -97.5% 0.73 ± 7% -1.8% 29.10 ± 4% perf-sched.wait_and_delay.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
403.38 ± 7% -99.4% 2.51 ±223% +2.1% 411.67 ± 4% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
158.27 -100.0% 0.00 -2.8% 153.90 ± 3% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
112.37 ± 23% -96.3% 4.12 ±103% +6.5% 119.69 ± 20% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
285.75 ± 73% -100.0% 0.00 -47.6% 149.67 ± 84% perf-sched.wait_and_delay.avg.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
453.18 -100.0% 0.00 -0.0% 453.09 perf-sched.wait_and_delay.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
47.62 ± 62% -100.0% 0.00 -20.9% 37.65 ± 63% perf-sched.wait_and_delay.avg.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
500.57 ± 7% -98.9% 5.42 ± 59% +4.0% 520.58 ± 2% perf-sched.wait_and_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
561.24 ± 5% -99.5% 3.01 ± 50% +0.9% 566.29 ± 4% perf-sched.wait_and_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
577.00 -40.4% 343.83 ± 23% -0.1% 576.70 perf-sched.wait_and_delay.count.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
6.00 ± 31% -100.0% 0.00 -15.0% 5.10 ± 51% perf-sched.wait_and_delay.count.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
10.17 ± 3% -100.0% 0.00 -1.6% 10.00 perf-sched.wait_and_delay.count.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
501.83 -100.0% 0.00 +0.2% 502.70 perf-sched.wait_and_delay.count.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
45905 -100.0% 0.00 -0.1% 45851 perf-sched.wait_and_delay.count.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
2426 ± 2% -97.9% 51.67 ± 61% +1.0% 2450 ± 3% perf-sched.wait_and_delay.count.pipe_read.vfs_read.ksys_read.do_syscall_64
37.83 ± 5% -98.7% 0.50 ±223% +1.8% 38.50 ± 4% perf-sched.wait_and_delay.count.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
30.00 -100.0% 0.00 +0.3% 30.10 perf-sched.wait_and_delay.count.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
2.33 ± 20% -100.0% 0.00 +15.7% 2.70 ± 16% perf-sched.wait_and_delay.count.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
19.83 -100.0% 0.00 -0.2% 19.80 ± 2% perf-sched.wait_and_delay.count.schedule_timeout.kcompactd.kthread.ret_from_fork
134.67 ± 21% -100.0% 0.00 +8.6% 146.20 ± 18% perf-sched.wait_and_delay.count.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
1195 ± 3% -99.1% 10.17 ± 54% +1.4% 1212 ± 3% perf-sched.wait_and_delay.count.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
925.67 ± 7% -58.9% 380.00 ± 24% -3.7% 891.10 ± 2% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
362.33 ± 5% -79.0% 76.17 ± 58% -1.1% 358.50 ± 6% perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
1013 ± 2% -94.8% 53.21 ± 65% -0.1% 1012 ± 3% perf-sched.wait_and_delay.max.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
89.90 ± 17% -100.0% 0.00 -0.2% 89.68 ± 26% perf-sched.wait_and_delay.max.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
999.82 -100.0% 0.00 +0.0% 999.82 perf-sched.wait_and_delay.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
1000 -100.0% 0.00 -0.0% 1000 perf-sched.wait_and_delay.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
890.88 ± 8% -99.4% 5.21 ±101% -0.7% 884.99 ± 6% perf-sched.wait_and_delay.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
13.58 ±106% -100.0% 0.00 +14.8% 15.59 ± 77% perf-sched.wait_and_delay.max.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
1013 -99.8% 1.97 ± 28% -0.0% 1013 perf-sched.wait_and_delay.max.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
1464 ± 16% -99.5% 7.52 ±223% +0.4% 1471 ± 17% perf-sched.wait_and_delay.max.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
250.08 -100.0% 0.00 +0.0% 250.09 perf-sched.wait_and_delay.max.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
334.30 ± 23% -95.4% 15.29 ±103% +6.6% 356.31 ± 20% perf-sched.wait_and_delay.max.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
355.60 ± 68% -100.0% 0.00 -43.2% 201.89 ± 66% perf-sched.wait_and_delay.max.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
504.88 -100.0% 0.00 -0.0% 504.71 perf-sched.wait_and_delay.max.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
111.51 ± 7% -100.0% 0.00 -6.7% 104.09 ± 8% perf-sched.wait_and_delay.max.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
6.34 ± 18% -28.2% 4.55 ± 11% +7.5% 6.81 ± 21% perf-sched.wait_and_delay.max.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
3150 ± 21% -98.5% 45.76 ± 7% -16.1% 2642 ± 17% perf-sched.wait_and_delay.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
4235 ± 14% -99.3% 29.44 ± 43% -8.7% 3867 ± 15% perf-sched.wait_and_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
7.76 ± 7% -98.8% 0.10 ± 61% -3.0% 7.53 ± 7% perf-sched.wait_time.avg.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
0.96 ± 56% -100.0% 0.00 +3.6% 0.99 ± 68% perf-sched.wait_time.avg.ms.__cond_resched.filemap_read.xfs_file_buffered_read.xfs_file_read_iter.__io_read
69.43 ± 29% -100.0% 0.00 -2.9% 67.42 ± 26% perf-sched.wait_time.avg.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
45.25 ± 92% -100.0% 0.00 -30.3% 31.53 ±119% perf-sched.wait_time.avg.ms.__cond_resched.try_to_shrink_lruvec.shrink_one.shrink_many.shrink_node
689.10 ± 14% -100.0% 0.00 +10.2% 759.70 ± 12% perf-sched.wait_time.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
1.38 ± 9% -100.0% 0.00 -0.3% 1.38 ± 10% perf-sched.wait_time.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
17.55 ± 4% -100.0% 0.00 +0.7% 17.67 ± 3% perf-sched.wait_time.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
32.71 -99.4% 0.21 ± 50% -1.6% 32.18 perf-sched.wait_time.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
0.41 ± 4% -14.0% 0.35 ± 3% +2.2% 0.42 ± 4% perf-sched.wait_time.avg.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.77 -100.0% 0.00 +0.7% 0.78 perf-sched.wait_time.avg.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
194.51 ±103% -100.0% 0.00 ±223% -13.3% 168.55 ±177% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown]
29.63 ± 3% -97.6% 0.71 ± 8% -1.8% 29.10 ± 4% perf-sched.wait_time.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
4.01 ± 7% -100.0% 0.00 -4.7% 3.83 ± 2% perf-sched.wait_time.avg.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
403.36 ± 7% -99.3% 2.82 ±193% +2.1% 411.65 ± 4% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
158.25 -100.0% 0.00 -2.8% 153.89 ± 3% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
112.32 ± 23% -96.5% 3.93 ±106% +6.5% 119.64 ± 20% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
0.66 ± 4% -100.0% 0.00 +1.0% 0.67 ± 4% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
285.74 ± 73% -100.0% 0.00 -47.6% 149.66 ± 84% perf-sched.wait_time.avg.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
453.14 -100.0% 0.00 -0.0% 453.04 perf-sched.wait_time.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
0.07 ± 83% -100.0% 0.00 -43.0% 0.04 ±160% perf-sched.wait_time.avg.ms.schedule_timeout.khugepaged_wait_work.khugepaged.kthread
47.57 ± 62% -100.0% 0.00 -20.9% 37.61 ± 63% perf-sched.wait_time.avg.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
3.86 ± 6% -24.9% 2.90 ± 23% -1.9% 3.79 ± 5% perf-sched.wait_time.avg.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
500.56 ± 7% -98.9% 5.38 ± 60% +4.0% 520.57 ± 2% perf-sched.wait_time.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
226.30 ± 64% -100.0% 0.01 ±107% -18.7% 184.02 ±120% perf-sched.wait_time.avg.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
561.18 ± 5% -99.6% 2.50 ± 79% +0.9% 566.24 ± 4% perf-sched.wait_time.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
1013 ± 2% -97.4% 26.61 ± 65% -0.1% 1012 ± 3% perf-sched.wait_time.max.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
1.65 ± 66% -100.0% 0.00 +7.2% 1.77 ± 48% perf-sched.wait_time.max.ms.__cond_resched.filemap_read.xfs_file_buffered_read.xfs_file_read_iter.__io_read
89.83 ± 17% -100.0% 0.00 -0.2% 89.61 ± 26% perf-sched.wait_time.max.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
91.01 ± 14% -100.0% 0.00 -19.8% 73.00 ± 37% perf-sched.wait_time.max.ms.__cond_resched.try_to_shrink_lruvec.shrink_one.shrink_many.shrink_node
999.79 -100.0% 0.00 +0.0% 999.79 perf-sched.wait_time.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
2.76 ± 9% -100.0% 0.00 -0.3% 2.76 ± 10% perf-sched.wait_time.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
1000 -100.0% 0.00 -0.0% 1000 perf-sched.wait_time.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
890.88 ± 8% -99.4% 5.21 ±101% -0.7% 884.99 ± 6% perf-sched.wait_time.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
15.72 ± 2% -93.4% 1.04 ± 28% +3.2% 16.22 ± 4% perf-sched.wait_time.max.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe
13.23 ±110% -100.0% 0.00 +17.7% 15.57 ± 77% perf-sched.wait_time.max.ms.io_cqring_wait.__do_sys_io_uring_enter.do_syscall_64.entry_SYSCALL_64_after_hwframe
500.20 ± 99% -100.0% 0.01 ±223% -48.4% 258.00 ±148% perf-sched.wait_time.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown]
1013 -99.8% 1.96 ± 29% -0.0% 1013 perf-sched.wait_time.max.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
4.85 ± 6% -100.0% 0.00 -5.0% 4.61 ± 10% perf-sched.wait_time.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
1464 ± 16% -99.4% 8.15 ±202% +0.4% 1471 ± 17% perf-sched.wait_time.max.ms.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
250.06 -100.0% 0.00 +0.0% 250.06 perf-sched.wait_time.max.ms.schedule_hrtimeout_range.do_select.core_sys_select.do_pselect.constprop
334.27 ± 23% -95.4% 15.28 ±103% +6.6% 356.28 ± 20% perf-sched.wait_time.max.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
2.04 ± 7% -100.0% 0.00 -1.8% 2.01 ± 6% perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
355.59 ± 68% -100.0% 0.00 -43.2% 201.88 ± 66% perf-sched.wait_time.max.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.blk_execute_rq
504.84 -100.0% 0.00 -0.0% 504.68 perf-sched.wait_time.max.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
0.07 ± 83% -100.0% 0.00 -43.0% 0.04 ±160% perf-sched.wait_time.max.ms.schedule_timeout.khugepaged_wait_work.khugepaged.kthread
111.44 ± 7% -100.0% 0.00 -6.7% 104.03 ± 8% perf-sched.wait_time.max.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
3150 ± 21% -98.7% 39.96 ± 40% -16.1% 2642 ± 17% perf-sched.wait_time.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
843.01 ± 41% -100.0% 0.03 ± 94% -50.4% 417.72 ±114% perf-sched.wait_time.max.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
4235 ± 14% -99.5% 21.72 ± 79% -8.7% 3866 ± 15% perf-sched.wait_time.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
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2024-12-27 3:13 [linux-next:master] [io_uring/rw] 8cf0c45999: fio.read_bw_MBps 51.1% regression kernel test robot
2024-12-27 16:48 ` Jens Axboe
2024-12-31 6:36 ` Oliver Sang
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