Re: [LKP] [btrfs] 8d47a0d8f7: fio.write_bw_MBps -28.6% regression

From: Xing Zhengjun
Date: Fri Apr 10 2020 - 02:34:29 EST


Hi Wenruo,

We test it in v5.6, the issue still exist, do you have time to take a look at this? Thanks.

On 5/13/2019 11:17 AM, kernel test robot wrote:
Greeting,

FYI, we noticed a -28.6% regression of fio.write_bw_MBps due to commit:


commit: 8d47a0d8f7947422dd359ac8e462687f81a7a137 ("btrfs: Do mandatory tree block check before submitting bio")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: fio-basic
on test machine: 72 threads Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz with 256G memory
with following parameters:

disk: 2pmem
fs: btrfs
runtime: 200s
nr_task: 50%
time_based: tb
rw: randwrite
bs: 4k
ioengine: libaio
test_size: 100G
cpufreq_governor: performance
ucode: 0x3d

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



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 run job.yaml

=========================================================================================
bs/compiler/cpufreq_governor/disk/fs/ioengine/kconfig/nr_task/rootfs/runtime/rw/tbox_group/test_size/testcase/time_based/ucode:
4k/gcc-7/performance/2pmem/btrfs/libaio/x86_64-rhel-7.6/50%/debian-x86_64-2018-04-03.cgz/200s/randwrite/lkp-hsw-ep2/100G/fio-basic/tb/0x3d

commit:
ff2ac107fa ("btrfs: tree-checker: Remove comprehensive root owner check")
8d47a0d8f7 ("btrfs: Do mandatory tree block check before submitting bio")

ff2ac107fae2440b 8d47a0d8f7947422dd359ac8e46
---------------- ---------------------------
fail:runs %reproduction fail:runs
| | |
:4 25% 1:4 dmesg.BUG:unable_to_handle_kernel
:4 25% 1:4 dmesg.Kernel_panic-not_syncing:Fatal_exception_in_interrupt
:4 25% 1:4 dmesg.Oops:#[##]
:4 25% 1:4 dmesg.RIP:cpuidle_enter_state
:4 25% 1:4 dmesg.RIP:native_write_msr
:4 25% 1:4 dmesg.RIP:perf_prepare_sample
1:4 -25% :4 dmesg.WARNING:at#for_ip_interrupt_entry/0x
%stddev %change %stddev
\ | \
0.01 Â 21% +0.3 0.28 Â 20% fio.latency_1000ms%
4.14 Â 13% +1.8 5.95 Â 9% fio.latency_10ms%
8.73 Â 15% +3.0 11.68 Â 8% fio.latency_20ms%
1.91 Â 5% -0.4 1.52 Â 3% fio.latency_250ms%
66.81 -5.9 60.90 Â 2% fio.latency_4ms%
0.18 Â 15% +0.1 0.29 Â 16% fio.latency_750us%
1.017e+08 -28.5% 72701525 fio.time.file_system_outputs
109.75 -26.8% 80.33 Â 2% fio.time.percent_of_cpu_this_job_got
197.97 -26.4% 145.79 Â 2% fio.time.system_time
38.66 Â 4% -24.0% 29.39 Â 3% fio.time.user_time
12388015 -28.5% 8858878 fio.time.voluntary_context_switches
12711059 -28.5% 9083954 fio.workload
247.91 -28.6% 176.96 fio.write_bw_MBps
309248 Â 2% +71.7% 531114 Â 4% fio.write_clat_99%_us
17574 +40.0% 24609 fio.write_clat_mean_us
57989 Â 4% +82.2% 105661 fio.write_clat_stddev
63463 -28.6% 45302 fio.write_iops
564.61 +40.2% 791.54 fio.write_slat_mean_us
9375 Â 7% +96.3% 18406 fio.write_slat_stddev
21.25 +8.5% 23.06 Â 9% boot-time.dhcp
93.32 +1.4% 94.58 iostat.cpu.idle
6.43 -18.6% 5.23 Â 2% iostat.cpu.system
6.48 -1.2 5.27 Â 2% mpstat.cpu.all.sys%
0.24 Â 5% -0.1 0.18 Â 2% mpstat.cpu.all.usr%
93.00 +1.1% 94.00 vmstat.cpu.id
591200 -30.0% 413921 vmstat.io.bo
31653776 Â 2% -10.9% 28196588 Â 2% vmstat.memory.cache
11927341 Â 7% +29.8% 15486805 Â 4% vmstat.memory.free
5.00 -26.7% 3.67 Â 12% vmstat.procs.r
635910 Â 2% -27.6% 460384 vmstat.system.cs
7822384 Â 2% -25.0% 5870498 numa-numastat.node0.local_node
7839861 Â 2% -24.8% 5893785 numa-numastat.node0.numa_hit
224988 Â 47% -93.5% 14675 Â 48% numa-numastat.node0.numa_miss
242465 Â 44% -84.3% 37964 Â 18% numa-numastat.node0.other_node
7762623 Â 12% -26.8% 5681358 Â 6% numa-numastat.node1.local_node
224988 Â 47% -93.5% 14675 Â 48% numa-numastat.node1.numa_foreign
7768618 Â 12% -26.9% 5681573 Â 6% numa-numastat.node1.numa_hit
9.429e+08 Â 10% -35.4% 6.094e+08 cpuidle.C1.time
53504154 Â 6% -31.8% 36504731 cpuidle.C1.usage
1.093e+09 Â 22% -50.3% 5.435e+08 Â 3% cpuidle.C1E.time
16541925 Â 13% -45.0% 9103775 cpuidle.C1E.usage
5.366e+09 Â 36% +71.7% 9.214e+09 Â 18% cpuidle.C3.time
16163664 Â 33% +57.0% 25379738 Â 5% cpuidle.C3.usage
9697055 Â 16% -35.8% 6225168 Â 19% cpuidle.C6.usage
19313595 Â 17% -16.3% 16166123 cpuidle.POLL.time
10291838 Â 9% -26.8% 7537045 Â 7% meminfo.Active
10034782 Â 9% -27.4% 7280710 Â 7% meminfo.Active(file)
31524905 Â 2% -10.9% 28082249 Â 2% meminfo.Cached
115157 Â 4% +61.1% 185560 Â 3% meminfo.CmaFree
6430720 Â 8% +19.1% 7660885 Â 6% meminfo.DirectMap2M
534230 Â 5% -12.8% 465932 Â 6% meminfo.Dirty
11737322 Â 7% +30.2% 15281189 Â 4% meminfo.MemFree
37604344 Â 2% -9.4% 34060483 meminfo.Memused
806.50 Â 37% +137.4% 1914 Â 8% meminfo.Writeback
370.50 Â 11% +36.8% 507.00 slabinfo.bdev_cache.active_objs
370.50 Â 11% +36.8% 507.00 slabinfo.bdev_cache.num_objs
15147 Â 5% -8.3% 13897 Â 2% slabinfo.blkdev_ioc.active_objs
17839 Â 6% -11.7% 15745 Â 2% slabinfo.blkdev_ioc.num_objs
12178 Â 4% -7.4% 11275 Â 2% slabinfo.kmalloc-512.num_objs
7794 Â 3% +25.4% 9774 slabinfo.proc_inode_cache.active_objs
8017 Â 2% +23.4% 9895 slabinfo.proc_inode_cache.num_objs
2366 Â 23% -32.6% 1595 Â 5% slabinfo.task_group.active_objs
2366 Â 23% -32.6% 1595 Â 5% slabinfo.task_group.num_objs
263.75 Â 2% -15.1% 224.00 Â 2% turbostat.Avg_MHz
9.46 Â 2% -1.4 8.07 Â 2% turbostat.Busy%
53502248 Â 6% -31.8% 36503898 turbostat.C1
5.86 Â 8% -2.0 3.82 turbostat.C1%
16540396 Â 13% -45.0% 9102733 turbostat.C1E
6.80 Â 22% -3.4 3.40 Â 4% turbostat.C1E%
16163332 Â 33% +57.0% 25379351 Â 5% turbostat.C3
33.55 Â 36% +24.1 57.61 Â 18% turbostat.C3%
9689445 Â 16% -35.8% 6221033 Â 19% turbostat.C6
18.04 Â 26% +49.1% 26.90 Â 9% turbostat.CPU%c3
53.25 Â 3% +10.8% 59.00 Â 4% turbostat.CoreTmp
4.67 Â 14% +62.7% 7.59 Â 26% turbostat.Pkg%pc2
56.50 +9.7% 62.00 Â 2% turbostat.PkgTmp
11.84 -4.8% 11.28 turbostat.RAMWatt
7232478 Â 10% -37.2% 4543037 Â 22% numa-meminfo.node0.Active
7072564 Â 10% -37.6% 4410135 Â 23% numa-meminfo.node0.Active(file)
308167 Â 6% -24.7% 232152 Â 10% numa-meminfo.node0.Dirty
8784028 Â 13% +21.7% 10686327 Â 2% numa-meminfo.node0.Inactive
8669548 Â 12% +20.7% 10465444 Â 2% numa-meminfo.node0.Inactive(file)
572.50 Â 22% +115.9% 1236 Â 25% numa-meminfo.node0.Writeback
15098140 Â 3% -17.7% 12425670 Â 3% numa-meminfo.node1.FilePages
11599549 Â 7% -22.3% 9018051 Â 4% numa-meminfo.node1.Inactive
105067 Â 92% -99.3% 725.33 Â 51% numa-meminfo.node1.Inactive(anon)
11494482 Â 7% -21.6% 9017325 Â 4% numa-meminfo.node1.Inactive(file)
5504 Â 9% -12.5% 4819 Â 2% numa-meminfo.node1.KernelStack
6709938 Â 11% +45.8% 9781880 Â 5% numa-meminfo.node1.MemFree
18029136 Â 4% -17.0% 14957200 Â 3% numa-meminfo.node1.MemUsed
4427 Â 69% -77.5% 996.00 Â 8% numa-meminfo.node1.PageTables
857660 Â 32% -37.2% 538646 Â 8% numa-meminfo.node1.SUnreclaim
109232 Â 88% -96.1% 4274 Â 10% numa-meminfo.node1.Shmem
986740 Â 35% -40.0% 592452 Â 10% numa-meminfo.node1.Slab
575.21 Â 15% +30.1% 748.58 Â 2% sched_debug.cfs_rq:/.runnable_load_avg.max
100.45 Â 15% +28.6% 129.19 Â 5% sched_debug.cfs_rq:/.runnable_load_avg.stddev
830.19 Â 9% +15.7% 960.25 Â 6% sched_debug.cfs_rq:/.util_avg.max
29.97 Â 16% -25.2% 22.43 Â 31% sched_debug.cfs_rq:/.util_est_enqueued.avg
591.17 Â 13% -22.2% 459.83 Â 18% sched_debug.cfs_rq:/.util_est_enqueued.max
107.52 Â 13% -23.0% 82.84 Â 23% sched_debug.cfs_rq:/.util_est_enqueued.stddev
2.06 Â 5% -9.3% 1.87 sched_debug.cpu.clock.stddev
2.06 Â 5% -9.3% 1.87 sched_debug.cpu.clock_task.stddev
24.51 Â 7% +21.5% 29.77 Â 8% sched_debug.cpu.cpu_load[0].avg
541.29 Â 15% +38.3% 748.58 Â 2% sched_debug.cpu.cpu_load[0].max
93.97 Â 7% +27.8% 120.09 Â 2% sched_debug.cpu.cpu_load[0].stddev
519.08 Â 6% +40.5% 729.42 Â 4% sched_debug.cpu.cpu_load[1].max
87.45 Â 5% +28.5% 112.39 Â 4% sched_debug.cpu.cpu_load[1].stddev
480.83 Â 7% +39.5% 670.92 Â 13% sched_debug.cpu.cpu_load[2].max
80.92 Â 5% +25.7% 101.75 Â 8% sched_debug.cpu.cpu_load[2].stddev
408.83 Â 4% +54.0% 629.58 Â 19% sched_debug.cpu.cpu_load[3].max
71.62 Â 2% +30.7% 93.61 Â 11% sched_debug.cpu.cpu_load[3].stddev
381.50 Â 8% +66.7% 636.00 Â 18% sched_debug.cpu.cpu_load[4].max
64.40 Â 6% +39.7% 89.96 Â 12% sched_debug.cpu.cpu_load[4].stddev
106.75 Â 20% -88.4% 12.33 Â 10% proc-vmstat.kswapd_high_wmark_hit_quickly
2508660 Â 9% -27.5% 1819662 Â 7% proc-vmstat.nr_active_file
33315360 -30.4% 23192301 proc-vmstat.nr_dirtied
133447 Â 5% -12.6% 116580 Â 6% proc-vmstat.nr_dirty
7881043 Â 2% -10.9% 7019533 Â 2% proc-vmstat.nr_file_pages
28790 Â 4% +61.1% 46392 Â 3% proc-vmstat.nr_free_cma
2934503 Â 7% +30.2% 3821369 Â 4% proc-vmstat.nr_free_pages
5044168 -3.4% 4872965 proc-vmstat.nr_inactive_file
430282 -6.0% 404589 proc-vmstat.nr_slab_unreclaimable
197.75 Â 38% +136.5% 467.67 Â 10% proc-vmstat.nr_writeback
33243480 -30.4% 23143756 proc-vmstat.nr_written
2508665 Â 9% -27.5% 1819662 Â 7% proc-vmstat.nr_zone_active_file
5044399 -3.4% 4873026 proc-vmstat.nr_zone_inactive_file
134972 Â 5% -12.4% 118262 Â 5% proc-vmstat.nr_zone_write_pending
15632301 Â 5% -25.8% 11598535 Â 3% proc-vmstat.numa_hit
15608826 Â 5% -25.8% 11575029 Â 3% proc-vmstat.numa_local
2300530 Â 10% -31.1% 1585363 Â 10% proc-vmstat.pgactivate
16955745 -26.3% 12499611 Â 2% proc-vmstat.pgalloc_normal
17488000 -25.9% 12959812 Â 2% proc-vmstat.pgfree
1.33e+08 -30.4% 92575440 proc-vmstat.pgpgout
5728177 Â 6% -78.5% 1232433 Â 25% proc-vmstat.pgscan_kswapd
5727967 Â 6% -78.5% 1232244 Â 25% proc-vmstat.pgsteal_kswapd
32760 -7.6% 30285 proc-vmstat.slabs_scanned
1768211 Â 10% -37.7% 1102275 Â 23% numa-vmstat.node0.nr_active_file
10410188 Â 7% -32.5% 7023939 Â 7% numa-vmstat.node0.nr_dirtied
76995 Â 6% -24.6% 58035 Â 10% numa-vmstat.node0.nr_dirty
2167457 Â 12% +20.7% 2616147 Â 2% numa-vmstat.node0.nr_inactive_file
142.00 Â 24% +120.4% 313.00 Â 24% numa-vmstat.node0.nr_writeback
10308758 Â 7% -32.6% 6949497 Â 7% numa-vmstat.node0.nr_written
1768216 Â 10% -37.7% 1102275 Â 23% numa-vmstat.node0.nr_zone_active_file
2167563 Â 12% +20.7% 2616189 Â 2% numa-vmstat.node0.nr_zone_inactive_file
77786 Â 7% -24.3% 58899 Â 10% numa-vmstat.node0.nr_zone_write_pending
5889240 Â 3% -14.3% 5046874 Â 3% numa-vmstat.node0.numa_hit
5837851 Â 4% -14.0% 5023120 Â 3% numa-vmstat.node0.numa_local
68376 Â 48% -96.9% 2149 Â 46% numa-vmstat.node0.numa_miss
119766 Â 42% -78.4% 25904 Â 3% numa-vmstat.node0.numa_other
30.50 Â 38% -100.0% 0.00 numa-vmstat.node0.workingset_nodes
6829126 Â 6% -22.8% 5269898 Â 10% numa-vmstat.node1.nr_dirtied
3774645 Â 3% -17.7% 3106081 Â 3% numa-vmstat.node1.nr_file_pages
28796 Â 4% +61.1% 46405 Â 3% numa-vmstat.node1.nr_free_cma
1677332 Â 11% +45.8% 2445778 Â 5% numa-vmstat.node1.nr_free_pages
26266 Â 92% -99.3% 180.67 Â 51% numa-vmstat.node1.nr_inactive_anon
2873702 Â 7% -21.6% 2254116 Â 4% numa-vmstat.node1.nr_inactive_file
5506 Â 9% -12.5% 4820 Â 2% numa-vmstat.node1.nr_kernel_stack
29031 Â 85% -88.2% 3436 numa-vmstat.node1.nr_mapped
1106 Â 69% -77.5% 249.00 Â 8% numa-vmstat.node1.nr_page_table_pages
27308 Â 88% -96.1% 1068 Â 10% numa-vmstat.node1.nr_shmem
214418 Â 32% -37.2% 134663 Â 8% numa-vmstat.node1.nr_slab_unreclaimable
75.00 Â 35% +145.3% 184.00 Â 18% numa-vmstat.node1.nr_writeback
6761224 Â 6% -23.1% 5202586 Â 10% numa-vmstat.node1.nr_written
26266 Â 92% -99.3% 180.67 Â 51% numa-vmstat.node1.nr_zone_inactive_anon
2873810 Â 7% -21.6% 2254135 Â 4% numa-vmstat.node1.nr_zone_inactive_file
68381 Â 48% -96.9% 2152 Â 46% numa-vmstat.node1.numa_foreign
5035283 Â 15% -26.9% 3679318 Â 7% numa-vmstat.node1.numa_hit
4905249 Â 15% -28.2% 3522229 Â 8% numa-vmstat.node1.numa_local
18.43 Â 6% -28.3% 13.21 Â 3% perf-stat.i.MPKI
2.205e+09 Â 3% +10.5% 2.437e+09 perf-stat.i.branch-instructions
1.83 Â 5% -0.6 1.24 Â 7% perf-stat.i.branch-miss-rate%
37019551 Â 3% -29.4% 26140844 Â 5% perf-stat.i.branch-misses
28932020 Â 6% -31.1% 19933819 Â 3% perf-stat.i.cache-misses
2.03e+08 Â 4% -24.8% 1.526e+08 perf-stat.i.cache-references
645248 Â 2% -27.4% 468301 perf-stat.i.context-switches
1.97 Â 7% -22.1% 1.53 Â 2% perf-stat.i.cpi
1.983e+10 Â 3% -15.1% 1.684e+10 perf-stat.i.cpu-cycles
1.03 Â 5% -0.4 0.64 Â 10% perf-stat.i.dTLB-load-miss-rate%
31879502 Â 6% -37.9% 19807598 Â 9% perf-stat.i.dTLB-load-misses
3.201e+09 Â 3% +18.8% 3.804e+09 perf-stat.i.dTLB-loads
0.13 Â 7% -0.0 0.09 Â 10% perf-stat.i.dTLB-store-miss-rate%
2516181 Â 10% -28.3% 1805272 Â 10% perf-stat.i.dTLB-store-misses
2.143e+09 Â 3% +19.8% 2.568e+09 Â 2% perf-stat.i.dTLB-stores
13781489 Â 3% -28.4% 9866239 Â 3% perf-stat.i.iTLB-loads
1.164e+10 Â 3% +21.6% 1.415e+10 perf-stat.i.instructions
8435 Â 17% +42.5% 12023 Â 14% perf-stat.i.instructions-per-iTLB-miss
0.57 Â 3% +43.6% 0.82 perf-stat.i.ipc
16050361 Â 9% -30.7% 11127721 Â 3% perf-stat.i.node-load-misses
8120610 Â 9% -31.3% 5580996 perf-stat.i.node-loads
2591649 Â 13% -31.1% 1785932 Â 6% perf-stat.i.node-store-misses
1809775 Â 12% -31.2% 1244360 Â 2% perf-stat.i.node-stores
17.45 Â 4% -38.2% 10.79 perf-stat.overall.MPKI
1.68 Â 3% -0.6 1.07 Â 5% perf-stat.overall.branch-miss-rate%
1.70 Â 3% -30.2% 1.19 perf-stat.overall.cpi
689.69 Â 9% +22.6% 845.48 Â 2% perf-stat.overall.cycles-between-cache-misses
0.99 Â 5% -0.5 0.52 Â 10% perf-stat.overall.dTLB-load-miss-rate%
0.12 Â 8% -0.0 0.07 Â 10% perf-stat.overall.dTLB-store-miss-rate%
10.81 Â 14% +2.3 13.09 Â 10% perf-stat.overall.iTLB-load-miss-rate%
7119 Â 14% +35.9% 9679 Â 13% perf-stat.overall.instructions-per-iTLB-miss
0.59 Â 3% +43.1% 0.84 perf-stat.overall.ipc
202912 Â 2% +68.8% 342615 Â 3% perf-stat.overall.path-length
2.195e+09 Â 3% +10.5% 2.425e+09 perf-stat.ps.branch-instructions
36847010 Â 3% -29.4% 26015686 Â 5% perf-stat.ps.branch-misses
28799092 Â 6% -31.1% 19837306 Â 3% perf-stat.ps.cache-misses
2.021e+08 Â 4% -24.8% 1.519e+08 perf-stat.ps.cache-references
642266 Â 2% -27.4% 465968 perf-stat.ps.context-switches
1.974e+10 Â 3% -15.1% 1.676e+10 perf-stat.ps.cpu-cycles
31729472 Â 6% -37.9% 19715594 Â 9% perf-stat.ps.dTLB-load-misses
3.186e+09 Â 3% +18.8% 3.785e+09 perf-stat.ps.dTLB-loads
2504443 Â 10% -28.2% 1797154 Â 10% perf-stat.ps.dTLB-store-misses
2.133e+09 Â 3% +19.8% 2.556e+09 Â 2% perf-stat.ps.dTLB-stores
13717699 Â 3% -28.4% 9816979 Â 3% perf-stat.ps.iTLB-loads
1.159e+10 Â 3% +21.5% 1.408e+10 perf-stat.ps.instructions
15979371 Â 9% -30.7% 11073468 Â 3% perf-stat.ps.node-load-misses
8081205 Â 9% -31.3% 5554114 perf-stat.ps.node-loads
2580198 Â 13% -31.1% 1777169 Â 6% perf-stat.ps.node-store-misses
1801590 Â 12% -31.3% 1238321 Â 2% perf-stat.ps.node-stores
2.579e+12 +20.6% 3.111e+12 Â 2% perf-stat.total.instructions
36149 Â 4% -26.2% 26686 Â 5% softirqs.CPU0.RCU
37255 Â 3% -26.8% 27256 Â 2% softirqs.CPU1.RCU
37834 Â 5% -26.5% 27801 Â 9% softirqs.CPU10.RCU
39075 Â 3% -24.5% 29494 Â 2% softirqs.CPU11.RCU
38137 Â 6% -23.1% 29340 Â 4% softirqs.CPU12.RCU
37480 Â 3% -20.5% 29797 Â 2% softirqs.CPU13.RCU
37690 Â 5% -28.7% 26861 Â 4% softirqs.CPU14.RCU
33863 Â 9% -29.5% 23885 Â 5% softirqs.CPU15.RCU
34306 Â 9% -31.1% 23641 Â 12% softirqs.CPU16.RCU
34374 Â 9% -29.0% 24402 Â 7% softirqs.CPU17.RCU
44013 Â 9% -31.7% 30059 softirqs.CPU18.RCU
43114 Â 8% -29.9% 30219 softirqs.CPU19.RCU
36276 Â 8% -23.3% 27825 Â 5% softirqs.CPU2.RCU
67049 Â 7% +39.1% 93267 Â 18% softirqs.CPU2.TIMER
39721 Â 13% -31.4% 27233 Â 3% softirqs.CPU20.RCU
42340 Â 5% -28.6% 30215 Â 6% softirqs.CPU21.RCU
40896 Â 7% -30.3% 28506 Â 2% softirqs.CPU22.RCU
42422 Â 7% -33.2% 28357 Â 2% softirqs.CPU23.RCU
42330 Â 9% -33.5% 28150 Â 5% softirqs.CPU24.RCU
41406 Â 9% -31.4% 28398 softirqs.CPU25.RCU
39754 Â 5% -29.4% 28063 softirqs.CPU26.RCU
40207 Â 6% -27.9% 28995 Â 12% softirqs.CPU27.RCU
40351 Â 9% -29.4% 28487 Â 3% softirqs.CPU28.RCU
41880 Â 5% -29.6% 29472 softirqs.CPU29.RCU
36293 Â 4% -17.7% 29864 Â 7% softirqs.CPU3.RCU
39341 Â 9% -34.3% 25847 softirqs.CPU30.RCU
39687 Â 9% -33.5% 26400 Â 2% softirqs.CPU31.RCU
38062 Â 14% -39.9% 22878 Â 10% softirqs.CPU32.RCU
39769 Â 13% -33.8% 26314 Â 5% softirqs.CPU33.RCU
39504 Â 10% -37.2% 24824 Â 6% softirqs.CPU34.RCU
39591 Â 11% -38.6% 24300 Â 5% softirqs.CPU35.RCU
40398 Â 8% -27.0% 29488 Â 12% softirqs.CPU36.RCU
39464 Â 12% -25.3% 29478 Â 10% softirqs.CPU37.RCU
41177 Â 9% -34.0% 27190 Â 19% softirqs.CPU38.RCU
38734 Â 13% -24.8% 29145 Â 5% softirqs.CPU39.RCU
36804 Â 5% -23.0% 28354 softirqs.CPU4.RCU
40421 Â 12% -28.8% 28776 Â 6% softirqs.CPU40.RCU
40371 Â 11% -31.1% 27834 Â 8% softirqs.CPU41.RCU
40633 Â 10% -29.9% 28469 Â 10% softirqs.CPU42.RCU
41018 Â 9% -33.6% 27252 Â 6% softirqs.CPU43.RCU
38181 Â 12% -27.0% 27856 Â 10% softirqs.CPU44.RCU
39605 Â 12% -32.3% 26803 Â 12% softirqs.CPU45.RCU
42686 Â 11% -29.7% 30016 Â 9% softirqs.CPU47.RCU
40433 Â 9% -31.8% 27586 Â 11% softirqs.CPU48.RCU
38371 Â 12% -23.0% 29528 Â 7% softirqs.CPU49.RCU
37172 Â 2% -25.9% 27562 Â 3% softirqs.CPU5.RCU
39660 Â 12% -27.5% 28752 Â 11% softirqs.CPU50.RCU
40375 Â 10% -26.7% 29582 Â 3% softirqs.CPU51.RCU
40568 Â 9% -28.8% 28886 Â 6% softirqs.CPU52.RCU
39967 Â 10% -27.3% 29073 Â 11% softirqs.CPU53.RCU
40874 Â 11% -37.1% 25725 Â 6% softirqs.CPU54.RCU
41227 Â 14% -37.9% 25606 Â 6% softirqs.CPU55.RCU
38856 Â 13% -34.7% 25380 Â 8% softirqs.CPU56.RCU
39618 Â 13% -39.1% 24119 Â 4% softirqs.CPU57.RCU
39412 Â 12% -36.6% 24970 Â 3% softirqs.CPU58.RCU
41572 Â 14% -41.3% 24399 Â 10% softirqs.CPU59.RCU
36927 Â 3% -24.4% 27923 Â 22% softirqs.CPU6.RCU
37057 Â 10% -31.8% 25261 Â 2% softirqs.CPU60.RCU
36584 Â 8% -27.8% 26419 Â 2% softirqs.CPU61.RCU
35859 Â 4% -28.2% 25729 Â 5% softirqs.CPU62.RCU
35849 Â 7% -33.2% 23933 Â 5% softirqs.CPU63.RCU
35379 Â 6% -26.4% 26041 Â 4% softirqs.CPU64.RCU
36908 Â 6% -26.5% 27110 Â 2% softirqs.CPU65.RCU
37595 Â 3% -26.1% 27783 Â 4% softirqs.CPU66.RCU
36327 Â 2% -27.0% 26533 Â 2% softirqs.CPU67.RCU
35136 Â 7% -31.7% 23998 Â 9% softirqs.CPU68.RCU
35638 Â 4% -28.6% 25435 Â 4% softirqs.CPU69.RCU
37268 Â 6% -25.4% 27786 Â 4% softirqs.CPU7.RCU
36693 Â 4% -29.2% 25986 Â 5% softirqs.CPU70.RCU
36859 Â 3% -28.8% 26260 Â 4% softirqs.CPU71.RCU
37539 Â 7% -27.7% 27144 Â 4% softirqs.CPU8.RCU
37584 Â 4% -26.0% 27802 Â 15% softirqs.CPU9.RCU
2795313 Â 7% -29.7% 1964363 Â 4% softirqs.RCU
249.50 Â 76% -50.4% 123.67 Â 2% interrupts.41:PCI-MSI.1572870-edge.eth0-TxRx-6
154.50 Â 13% -10.9% 137.67 Â 10% interrupts.42:PCI-MSI.1572871-edge.eth0-TxRx-7
150.50 Â 43% -28.0% 108.33 interrupts.84:PCI-MSI.1572913-edge.eth0-TxRx-49
10393 Â 10% -26.4% 7653 Â 10% interrupts.CPU1.RES:Rescheduling_interrupts
12518 Â 15% -31.0% 8642 Â 21% interrupts.CPU10.RES:Rescheduling_interrupts
945.25 Â 79% -75.4% 232.67 Â141% interrupts.CPU11.NMI:Non-maskable_interrupts
945.25 Â 79% -75.4% 232.67 Â141% interrupts.CPU11.PMI:Performance_monitoring_interrupts
13068 Â 18% -30.6% 9075 Â 23% interrupts.CPU11.RES:Rescheduling_interrupts
11949 Â 11% -49.8% 6001 Â 29% interrupts.CPU12.RES:Rescheduling_interrupts
13711 Â 8% -19.4% 11052 Â 24% interrupts.CPU13.RES:Rescheduling_interrupts
13361 Â 6% -38.8% 8170 Â 25% interrupts.CPU14.RES:Rescheduling_interrupts
7628 Â 12% -29.2% 5401 Â 7% interrupts.CPU18.RES:Rescheduling_interrupts
7909 Â 25% -30.4% 5501 Â 37% interrupts.CPU19.RES:Rescheduling_interrupts
1482 Â 39% -100.0% 0.00 interrupts.CPU2.NMI:Non-maskable_interrupts
1482 Â 39% -100.0% 0.00 interrupts.CPU2.PMI:Performance_monitoring_interrupts
2116 +23.2% 2606 Â 10% interrupts.CPU20.CAL:Function_call_interrupts
194.75 Â173% +380.1% 935.00 Â 30% interrupts.CPU20.NMI:Non-maskable_interrupts
194.75 Â173% +380.1% 935.00 Â 30% interrupts.CPU20.PMI:Performance_monitoring_interrupts
2096 Â 4% +18.0% 2474 Â 9% interrupts.CPU21.CAL:Function_call_interrupts
11313 Â 20% -56.4% 4935 Â 23% interrupts.CPU21.RES:Rescheduling_interrupts
2111 Â 3% +20.1% 2534 Â 11% interrupts.CPU22.CAL:Function_call_interrupts
2109 Â 4% +22.6% 2585 Â 10% interrupts.CPU23.CAL:Function_call_interrupts
10305 Â 16% -40.7% 6115 Â 17% interrupts.CPU23.RES:Rescheduling_interrupts
2128 Â 2% +17.8% 2507 Â 10% interrupts.CPU24.CAL:Function_call_interrupts
12271 Â 20% -39.0% 7488 Â 29% interrupts.CPU24.RES:Rescheduling_interrupts
2123 +19.7% 2541 Â 7% interrupts.CPU25.CAL:Function_call_interrupts
9780 Â 21% -32.9% 6563 Â 25% interrupts.CPU25.RES:Rescheduling_interrupts
980.75 Â 89% -88.9% 109.00 Â141% interrupts.CPU26.NMI:Non-maskable_interrupts
980.75 Â 89% -88.9% 109.00 Â141% interrupts.CPU26.PMI:Performance_monitoring_interrupts
11163 Â 28% -49.8% 5605 Â 13% interrupts.CPU27.RES:Rescheduling_interrupts
11071 Â 12% -56.3% 4835 Â 26% interrupts.CPU29.RES:Rescheduling_interrupts
728.50 Â 66% -100.0% 0.00 interrupts.CPU3.NMI:Non-maskable_interrupts
728.50 Â 66% -100.0% 0.00 interrupts.CPU3.PMI:Performance_monitoring_interrupts
10599 Â 10% -38.7% 6501 Â 16% interrupts.CPU31.RES:Rescheduling_interrupts
2213 Â 4% +14.2% 2527 Â 7% interrupts.CPU32.CAL:Function_call_interrupts
8862 Â 16% -39.6% 5354 Â 28% interrupts.CPU32.RES:Rescheduling_interrupts
2156 Â 6% +20.5% 2599 Â 9% interrupts.CPU33.CAL:Function_call_interrupts
2169 Â 5% +19.9% 2601 Â 9% interrupts.CPU34.CAL:Function_call_interrupts
10483 Â 18% -48.8% 5371 Â 33% interrupts.CPU34.RES:Rescheduling_interrupts
2049 +24.4% 2549 Â 8% interrupts.CPU35.CAL:Function_call_interrupts
10929 Â 15% -49.0% 5578 Â 14% interrupts.CPU35.RES:Rescheduling_interrupts
1993 Â 4% +28.5% 2561 Â 12% interrupts.CPU36.CAL:Function_call_interrupts
161.75 Â161% +717.9% 1323 Â 43% interrupts.CPU36.NMI:Non-maskable_interrupts
161.75 Â161% +717.9% 1323 Â 43% interrupts.CPU36.PMI:Performance_monitoring_interrupts
1987 Â 4% +30.5% 2594 Â 13% interrupts.CPU37.CAL:Function_call_interrupts
1863 Â 10% +35.7% 2529 Â 14% interrupts.CPU38.CAL:Function_call_interrupts
1984 Â 6% +26.5% 2509 Â 12% interrupts.CPU41.CAL:Function_call_interrupts
12830 Â 30% -26.4% 9445 Â 9% interrupts.CPU43.RES:Rescheduling_interrupts
2067 Â 2% +27.4% 2632 Â 9% interrupts.CPU44.CAL:Function_call_interrupts
2066 Â 3% +27.2% 2629 Â 9% interrupts.CPU45.CAL:Function_call_interrupts
2158 Â 3% +19.6% 2582 Â 9% interrupts.CPU46.CAL:Function_call_interrupts
2036 Â 6% +30.3% 2652 Â 10% interrupts.CPU47.CAL:Function_call_interrupts
150.50 Â 43% -28.0% 108.33 interrupts.CPU49.84:PCI-MSI.1572913-edge.eth0-TxRx-49
11823 Â 12% -36.9% 7460 Â 18% interrupts.CPU49.RES:Rescheduling_interrupts
1139 Â 58% -75.5% 278.67 Â141% interrupts.CPU5.NMI:Non-maskable_interrupts
1139 Â 58% -75.5% 278.67 Â141% interrupts.CPU5.PMI:Performance_monitoring_interrupts
11748 Â 22% -40.0% 7048 Â 27% interrupts.CPU5.RES:Rescheduling_interrupts
2102 Â 5% +19.6% 2515 Â 7% interrupts.CPU52.CAL:Function_call_interrupts
2115 Â 6% +19.5% 2527 Â 7% interrupts.CPU53.CAL:Function_call_interrupts
11318 Â 17% -20.4% 9004 Â 26% interrupts.CPU53.RES:Rescheduling_interrupts
2177 Â 5% +17.4% 2556 Â 9% interrupts.CPU54.CAL:Function_call_interrupts
10968 Â 23% -62.3% 4134 Â 21% interrupts.CPU54.RES:Rescheduling_interrupts
2161 Â 5% +20.2% 2598 Â 9% interrupts.CPU55.CAL:Function_call_interrupts
9334 Â 19% -55.4% 4158 Â 34% interrupts.CPU55.RES:Rescheduling_interrupts
1443 Â 22% -100.0% 0.00 interrupts.CPU56.NMI:Non-maskable_interrupts
1443 Â 22% -100.0% 0.00 interrupts.CPU56.PMI:Performance_monitoring_interrupts
11377 Â 31% -56.9% 4907 Â 43% interrupts.CPU56.RES:Rescheduling_interrupts
601.00 Â 99% -79.6% 122.67 Â141% interrupts.CPU57.NMI:Non-maskable_interrupts
601.00 Â 99% -79.6% 122.67 Â141% interrupts.CPU57.PMI:Performance_monitoring_interrupts
8295 Â 31% -47.7% 4340 Â 24% interrupts.CPU57.RES:Rescheduling_interrupts
9182 Â 37% -59.7% 3701 Â 46% interrupts.CPU58.RES:Rescheduling_interrupts
249.50 Â 76% -50.4% 123.67 Â 2% interrupts.CPU6.41:PCI-MSI.1572870-edge.eth0-TxRx-6
12473 Â 27% -44.4% 6940 Â 13% interrupts.CPU6.RES:Rescheduling_interrupts
7886 Â 12% -42.2% 4555 Â 31% interrupts.CPU60.RES:Rescheduling_interrupts
971.50 Â 47% -86.8% 128.33 Â141% interrupts.CPU61.NMI:Non-maskable_interrupts
971.50 Â 47% -86.8% 128.33 Â141% interrupts.CPU61.PMI:Performance_monitoring_interrupts
9253 Â 26% -56.4% 4033 Â 16% interrupts.CPU61.RES:Rescheduling_interrupts
2103 Â 5% +19.1% 2505 Â 11% interrupts.CPU63.CAL:Function_call_interrupts
2059 Â 2% +20.6% 2483 Â 10% interrupts.CPU64.CAL:Function_call_interrupts
8545 Â 17% -41.2% 5025 Â 8% interrupts.CPU65.RES:Rescheduling_interrupts
7378 Â 23% -51.0% 3614 Â 30% interrupts.CPU68.RES:Rescheduling_interrupts
8573 Â 28% -50.1% 4277 Â 6% interrupts.CPU69.RES:Rescheduling_interrupts
154.50 Â 13% -10.9% 137.67 Â 10% interrupts.CPU7.42:PCI-MSI.1572871-edge.eth0-TxRx-7
9910 Â 28% -51.2% 4839 Â 40% interrupts.CPU70.RES:Rescheduling_interrupts
8836 Â 26% -52.7% 4180 Â 6% interrupts.CPU71.RES:Rescheduling_interrupts
911.50 Â 37% -93.2% 61.67 Â141% interrupts.CPU8.NMI:Non-maskable_interrupts
911.50 Â 37% -93.2% 61.67 Â141% interrupts.CPU8.PMI:Performance_monitoring_interrupts
12326 Â 15% -32.3% 8350 Â 10% interrupts.CPU8.RES:Rescheduling_interrupts
1392 Â 58% -100.0% 0.00 interrupts.CPU9.NMI:Non-maskable_interrupts
1392 Â 58% -100.0% 0.00 interrupts.CPU9.PMI:Performance_monitoring_interrupts
60185 Â 19% -30.5% 41822 Â 11% interrupts.NMI:Non-maskable_interrupts
60185 Â 19% -30.5% 41822 Â 11% interrupts.PMI:Performance_monitoring_interrupts
749419 -31.9% 510225 Â 3% interrupts.RES:Rescheduling_interrupts
15.05 Â 6% -4.1 10.97 Â 20% perf-profile.calltrace.cycles-pp.normal_work_helper.process_one_work.worker_thread.kthread.ret_from_fork
12.66 Â 5% -4.0 8.68 Â 20% perf-profile.calltrace.cycles-pp.btrfs_finish_ordered_io.normal_work_helper.process_one_work.worker_thread.kthread
5.99 Â 8% -1.6 4.37 Â 6% perf-profile.calltrace.cycles-pp.io_submit
5.83 Â 8% -1.6 4.25 Â 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.io_submit
5.82 Â 8% -1.6 4.24 Â 6% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.io_submit
5.81 Â 8% -1.6 4.23 Â 6% perf-profile.calltrace.cycles-pp.__x64_sys_io_submit.do_syscall_64.entry_SYSCALL_64_after_hwframe.io_submit
5.76 Â 8% -1.6 4.19 Â 6% perf-profile.calltrace.cycles-pp.io_submit_one.__x64_sys_io_submit.do_syscall_64.entry_SYSCALL_64_after_hwframe.io_submit
5.65 Â 6% -1.6 4.08 Â 20% perf-profile.calltrace.cycles-pp.btrfs_mark_extent_written.btrfs_finish_ordered_io.normal_work_helper.process_one_work.worker_thread
4.52 Â 3% -1.5 2.99 Â 19% perf-profile.calltrace.cycles-pp.add_pending_csums.btrfs_finish_ordered_io.normal_work_helper.process_one_work.worker_thread
6.90 Â 8% -1.5 5.38 Â 10% perf-profile.calltrace.cycles-pp.extent_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes.wb_writeback
6.90 Â 8% -1.5 5.38 Â 10% perf-profile.calltrace.cycles-pp.extent_write_cache_pages.extent_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
5.58 Â 8% -1.5 4.07 Â 6% perf-profile.calltrace.cycles-pp.aio_write.io_submit_one.__x64_sys_io_submit.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.50 Â 3% -1.5 2.99 Â 19% perf-profile.calltrace.cycles-pp.btrfs_csum_file_blocks.add_pending_csums.btrfs_finish_ordered_io.normal_work_helper.process_one_work
5.44 Â 8% -1.5 3.96 Â 7% perf-profile.calltrace.cycles-pp.btrfs_file_write_iter.aio_write.io_submit_one.__x64_sys_io_submit.do_syscall_64
6.63 Â 8% -1.5 5.17 Â 10% perf-profile.calltrace.cycles-pp.__extent_writepage.extent_write_cache_pages.extent_writepages.do_writepages.__writeback_single_inode
5.34 Â 9% -1.4 3.90 Â 6% perf-profile.calltrace.cycles-pp.btrfs_buffered_write.btrfs_file_write_iter.aio_write.io_submit_one.__x64_sys_io_submit
5.55 Â 8% -1.2 4.32 Â 10% perf-profile.calltrace.cycles-pp.writepage_delalloc.__extent_writepage.extent_write_cache_pages.extent_writepages.do_writepages
4.98 Â 8% -1.1 3.86 Â 10% perf-profile.calltrace.cycles-pp.run_delalloc_nocow.btrfs_run_delalloc_range.writepage_delalloc.__extent_writepage.extent_write_cache_pages
5.00 Â 8% -1.1 3.88 Â 10% perf-profile.calltrace.cycles-pp.btrfs_run_delalloc_range.writepage_delalloc.__extent_writepage.extent_write_cache_pages.extent_writepages
2.80 Â 4% -1.0 1.78 Â 22% perf-profile.calltrace.cycles-pp.btrfs_search_slot.btrfs_mark_extent_written.btrfs_finish_ordered_io.normal_work_helper.process_one_work
1.45 Â 3% -0.7 0.79 Â 18% perf-profile.calltrace.cycles-pp.__btrfs_cow_block.btrfs_cow_block.btrfs_search_slot.btrfs_mark_extent_written.btrfs_finish_ordered_io
1.45 Â 3% -0.7 0.79 Â 18% perf-profile.calltrace.cycles-pp.btrfs_cow_block.btrfs_search_slot.btrfs_mark_extent_written.btrfs_finish_ordered_io.normal_work_helper
2.32 Â 3% -0.6 1.72 Â 18% perf-profile.calltrace.cycles-pp.btrfs_insert_empty_items.btrfs_csum_file_blocks.add_pending_csums.btrfs_finish_ordered_io.normal_work_helper
0.91 Â 8% -0.5 0.42 Â 73% perf-profile.calltrace.cycles-pp.btrfs_lookup_csum.btrfs_csum_file_blocks.add_pending_csums.btrfs_finish_ordered_io.normal_work_helper
0.88 Â 8% -0.5 0.41 Â 74% perf-profile.calltrace.cycles-pp.btrfs_search_slot.btrfs_lookup_csum.btrfs_csum_file_blocks.add_pending_csums.btrfs_finish_ordered_io
0.83 Â 5% -0.4 0.41 Â 71% perf-profile.calltrace.cycles-pp.split_leaf.btrfs_search_slot.btrfs_insert_empty_items.btrfs_csum_file_blocks.add_pending_csums
1.90 Â 20% -0.4 1.48 Â 29% perf-profile.calltrace.cycles-pp.btrfs_run_delayed_refs.flush_space.btrfs_async_reclaim_metadata_space.process_one_work.worker_thread
1.89 Â 20% -0.4 1.48 Â 29% perf-profile.calltrace.cycles-pp.__btrfs_run_delayed_refs.btrfs_run_delayed_refs.flush_space.btrfs_async_reclaim_metadata_space.process_one_work
0.82 Â 4% -0.4 0.42 Â 71% perf-profile.calltrace.cycles-pp.run_one_async_done.normal_work_helper.process_one_work.worker_thread.kthread
0.81 Â 4% -0.4 0.41 Â 71% perf-profile.calltrace.cycles-pp.btrfs_map_bio.run_one_async_done.normal_work_helper.process_one_work.worker_thread
0.74 Â 6% -0.4 0.36 Â 70% perf-profile.calltrace.cycles-pp.push_leaf_right.split_leaf.btrfs_search_slot.btrfs_insert_empty_items.btrfs_csum_file_blocks
1.19 Â 3% -0.4 0.83 Â 16% perf-profile.calltrace.cycles-pp.btrfs_search_slot.btrfs_insert_empty_items.btrfs_csum_file_blocks.add_pending_csums.btrfs_finish_ordered_io
1.00 Â 6% -0.4 0.65 Â 7% perf-profile.calltrace.cycles-pp.lock_and_cleanup_extent_if_need.btrfs_buffered_write.btrfs_file_write_iter.aio_write.io_submit_one
1.27 Â 5% -0.4 0.92 Â 7% perf-profile.calltrace.cycles-pp.btrfs_dirty_pages.btrfs_buffered_write.btrfs_file_write_iter.aio_write.io_submit_one
1.25 Â 6% -0.3 0.90 Â 7% perf-profile.calltrace.cycles-pp.create_io_em.run_delalloc_nocow.btrfs_run_delalloc_range.writepage_delalloc.__extent_writepage
0.93 Â 8% -0.3 0.59 Â 7% perf-profile.calltrace.cycles-pp.__set_extent_bit.lock_extent_bits.lock_and_cleanup_extent_if_need.btrfs_buffered_write.btrfs_file_write_iter
0.94 Â 7% -0.3 0.60 Â 6% perf-profile.calltrace.cycles-pp.lock_extent_bits.lock_and_cleanup_extent_if_need.btrfs_buffered_write.btrfs_file_write_iter.aio_write
0.70 Â 8% -0.3 0.37 Â 70% perf-profile.calltrace.cycles-pp.__lookup_extent_mapping.btrfs_get_extent.btrfs_dirty_pages.btrfs_buffered_write.btrfs_file_write_iter
0.79 Â 6% -0.3 0.47 Â 71% perf-profile.calltrace.cycles-pp.setup_items_for_insert.btrfs_duplicate_item.btrfs_mark_extent_written.btrfs_finish_ordered_io.normal_work_helper
0.71 Â 21% -0.3 0.43 Â 74% perf-profile.calltrace.cycles-pp.__btrfs_free_extent.__btrfs_run_delayed_refs.btrfs_run_delayed_refs.flush_space.btrfs_async_reclaim_metadata_space
1.15 Â 11% -0.3 0.88 Â 9% perf-profile.calltrace.cycles-pp.btrfs_lookup_csums_range.csum_exist_in_range.run_delalloc_nocow.btrfs_run_delalloc_range.writepage_delalloc
1.15 Â 11% -0.3 0.88 Â 8% perf-profile.calltrace.cycles-pp.csum_exist_in_range.run_delalloc_nocow.btrfs_run_delalloc_range.writepage_delalloc.__extent_writepage
1.43 Â 13% -0.3 1.17 Â 5% perf-profile.calltrace.cycles-pp.btrfs_delalloc_reserve_metadata.btrfs_buffered_write.btrfs_file_write_iter.aio_write.io_submit_one
1.06 Â 5% -0.3 0.81 Â 7% perf-profile.calltrace.cycles-pp.btrfs_drop_extent_cache.create_io_em.run_delalloc_nocow.btrfs_run_delalloc_range.writepage_delalloc
1.30 Â 15% -0.2 1.06 Â 4% perf-profile.calltrace.cycles-pp.reserve_metadata_bytes.btrfs_delalloc_reserve_metadata.btrfs_buffered_write.btrfs_file_write_iter.aio_write
1.03 Â 13% -0.2 0.79 Â 9% perf-profile.calltrace.cycles-pp.btrfs_search_slot.btrfs_lookup_csums_range.csum_exist_in_range.run_delalloc_nocow.btrfs_run_delalloc_range
1.20 Â 4% -0.2 0.96 Â 15% perf-profile.calltrace.cycles-pp.__schedule.schedule_idle.do_idle.cpu_startup_entry.start_secondary
1.24 Â 3% -0.2 1.01 Â 15% perf-profile.calltrace.cycles-pp.schedule_idle.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64
1.05 Â 8% -0.2 0.82 Â 12% perf-profile.calltrace.cycles-pp.__extent_writepage_io.__extent_writepage.extent_write_cache_pages.extent_writepages.do_writepages
0.88 Â 13% -0.2 0.71 Â 2% perf-profile.calltrace.cycles-pp.wait_reserve_ticket.reserve_metadata_bytes.btrfs_delalloc_reserve_metadata.btrfs_buffered_write.btrfs_file_write_iter
1.01 Â 9% -0.2 0.84 Â 9% perf-profile.calltrace.cycles-pp.btrfs_search_slot.btrfs_lookup_file_extent.run_delalloc_nocow.btrfs_run_delalloc_range.writepage_delalloc
1.01 Â 10% -0.2 0.85 Â 9% perf-profile.calltrace.cycles-pp.btrfs_lookup_file_extent.run_delalloc_nocow.btrfs_run_delalloc_range.writepage_delalloc.__extent_writepage
0.72 Â 7% -0.2 0.56 Â 6% perf-profile.calltrace.cycles-pp.btrfs_get_extent.btrfs_dirty_pages.btrfs_buffered_write.btrfs_file_write_iter.aio_write
0.75 Â 8% -0.1 0.60 Â 10% perf-profile.calltrace.cycles-pp.submit_extent_page.__extent_writepage_io.__extent_writepage.extent_write_cache_pages.extent_writepages
0.92 Â 15% +0.2 1.14 Â 3% perf-profile.calltrace.cycles-pp.update_process_times.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt
1.01 Â 15% +0.2 1.25 Â 4% perf-profile.calltrace.cycles-pp.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.smp_apic_timer_interrupt
1.15 Â 15% +0.3 1.44 Â 6% perf-profile.calltrace.cycles-pp.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt
0.27 Â100% +0.4 0.63 Â 4% perf-profile.calltrace.cycles-pp.rebalance_domains.__softirqentry_text_start.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt
1.74 Â 9% +0.4 2.11 Â 2% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter_state
2.63 Â 10% +0.6 3.26 perf-profile.calltrace.cycles-pp.hrtimer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter_state.do_idle
0.00 +0.8 0.75 Â 18% perf-profile.calltrace.cycles-pp.map_private_extent_buffer.btrfs_get_token_64.check_leaf.btree_csum_one_bio.btree_submit_bio_hook
2.37 Â 19% +0.8 3.19 Â 5% perf-profile.calltrace.cycles-pp.btrfs_async_reclaim_metadata_space.process_one_work.worker_thread.kthread.ret_from_fork
2.33 Â 19% +0.8 3.17 Â 5% perf-profile.calltrace.cycles-pp.flush_space.btrfs_async_reclaim_metadata_space.process_one_work.worker_thread.kthread
0.00 +0.9 0.90 Â 18% perf-profile.calltrace.cycles-pp.map_private_extent_buffer.btrfs_get_token_32.check_leaf.btree_csum_one_bio.btree_submit_bio_hook
4.71 Â 11% +1.0 5.74 perf-profile.calltrace.cycles-pp.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter_state.do_idle.cpu_startup_entry
5.04 Â 10% +1.2 6.19 perf-profile.calltrace.cycles-pp.apic_timer_interrupt.cpuidle_enter_state.do_idle.cpu_startup_entry.start_secondary
0.00 +1.3 1.30 Â 19% perf-profile.calltrace.cycles-pp.submit_extent_page.write_one_eb.btree_write_cache_pages.do_writepages.__filemap_fdatawrite_range
0.00 +1.4 1.36 Â 19% perf-profile.calltrace.cycles-pp.write_one_eb.btree_write_cache_pages.do_writepages.__filemap_fdatawrite_range.btrfs_write_marked_extents
0.29 Â101% +1.4 1.67 Â 18% perf-profile.calltrace.cycles-pp.btrfs_commit_transaction.flush_space.btrfs_async_reclaim_metadata_space.process_one_work.worker_thread
0.00 +1.4 1.39 Â 19% perf-profile.calltrace.cycles-pp.do_writepages.__filemap_fdatawrite_range.btrfs_write_marked_extents.btrfs_write_and_wait_transaction.btrfs_commit_transaction
0.00 +1.4 1.39 Â 19% perf-profile.calltrace.cycles-pp.btree_write_cache_pages.do_writepages.__filemap_fdatawrite_range.btrfs_write_marked_extents.btrfs_write_and_wait_transaction
0.00 +1.4 1.39 Â 19% perf-profile.calltrace.cycles-pp.__filemap_fdatawrite_range.btrfs_write_marked_extents.btrfs_write_and_wait_transaction.btrfs_commit_transaction.flush_space
0.00 +1.4 1.39 Â 19% perf-profile.calltrace.cycles-pp.btrfs_write_and_wait_transaction.btrfs_commit_transaction.flush_space.btrfs_async_reclaim_metadata_space.process_one_work
0.00 +1.4 1.39 Â 19% perf-profile.calltrace.cycles-pp.btrfs_write_marked_extents.btrfs_write_and_wait_transaction.btrfs_commit_transaction.flush_space.btrfs_async_reclaim_metadata_space
0.00 +1.5 1.52 Â 18% perf-profile.calltrace.cycles-pp.btrfs_get_token_64.check_leaf.btree_csum_one_bio.btree_submit_bio_hook.submit_one_bio
0.00 +2.2 2.20 Â 14% perf-profile.calltrace.cycles-pp.btrfs_get_token_32.check_leaf.btree_csum_one_bio.btree_submit_bio_hook.submit_one_bio
8.37 Â 7% +3.3 11.65 Â 16% perf-profile.calltrace.cycles-pp.wb_writeback.wb_workfn.process_one_work.worker_thread.kthread
8.37 Â 7% +3.3 11.65 Â 16% perf-profile.calltrace.cycles-pp.wb_workfn.process_one_work.worker_thread.kthread.ret_from_fork
7.97 Â 7% +3.5 11.44 Â 15% perf-profile.calltrace.cycles-pp.do_writepages.__writeback_single_inode.writeback_sb_inodes.wb_writeback.wb_workfn
7.97 Â 7% +3.5 11.44 Â 15% perf-profile.calltrace.cycles-pp.writeback_sb_inodes.wb_writeback.wb_workfn.process_one_work.worker_thread
7.97 Â 7% +3.5 11.44 Â 15% perf-profile.calltrace.cycles-pp.__writeback_single_inode.writeback_sb_inodes.wb_writeback.wb_workfn.process_one_work
49.45 Â 2% +4.3 53.79 Â 4% perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.do_idle.cpu_startup_entry.start_secondary
61.98 Â 2% +4.4 66.38 Â 3% perf-profile.calltrace.cycles-pp.secondary_startup_64
1.07 Â 18% +5.0 6.06 Â 20% perf-profile.calltrace.cycles-pp.btree_write_cache_pages.do_writepages.__writeback_single_inode.writeback_sb_inodes.wb_writeback
0.93 Â 18% +5.0 5.95 Â 20% perf-profile.calltrace.cycles-pp.write_one_eb.btree_write_cache_pages.do_writepages.__writeback_single_inode.writeback_sb_inodes
61.26 Â 2% +5.1 66.36 Â 3% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64
61.27 Â 2% +5.1 66.37 Â 3% perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64
61.21 Â 2% +5.1 66.32 Â 3% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64
0.33 Â100% +5.3 5.68 Â 20% perf-profile.calltrace.cycles-pp.submit_extent_page.write_one_eb.btree_write_cache_pages.do_writepages.__writeback_single_inode
55.45 Â 2% +5.4 60.88 Â 3% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64
0.00 +6.4 6.39 Â 13% perf-profile.calltrace.cycles-pp.check_leaf.btree_csum_one_bio.btree_submit_bio_hook.submit_one_bio.submit_extent_page
0.00 +6.5 6.50 Â 13% perf-profile.calltrace.cycles-pp.btree_csum_one_bio.btree_submit_bio_hook.submit_one_bio.submit_extent_page.write_one_eb
0.29 Â100% +6.6 6.92 Â 13% perf-profile.calltrace.cycles-pp.submit_one_bio.submit_extent_page.write_one_eb.btree_write_cache_pages.do_writepages
0.29 Â100% +6.6 6.92 Â 13% perf-profile.calltrace.cycles-pp.btree_submit_bio_hook.submit_one_bio.submit_extent_page.write_one_eb.btree_write_cache_pages
15.05 Â 6% -4.1 10.97 Â 20% perf-profile.children.cycles-pp.normal_work_helper
12.66 Â 5% -4.0 8.68 Â 20% perf-profile.children.cycles-pp.btrfs_finish_ordered_io
7.84 Â 5% -2.4 5.39 Â 10% perf-profile.children.cycles-pp.btrfs_search_slot
7.30 Â 7% -1.7 5.59 Â 11% perf-profile.children.cycles-pp.extent_writepages
7.30 Â 7% -1.7 5.59 Â 11% perf-profile.children.cycles-pp.extent_write_cache_pages
7.03 Â 7% -1.6 5.38 Â 12% perf-profile.children.cycles-pp.__extent_writepage
6.19 Â 8% -1.6 4.56 Â 7% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
6.17 Â 8% -1.6 4.55 Â 7% perf-profile.children.cycles-pp.do_syscall_64
6.01 Â 8% -1.6 4.39 Â 7% perf-profile.children.cycles-pp.io_submit
5.81 Â 8% -1.6 4.23 Â 6% perf-profile.children.cycles-pp.__x64_sys_io_submit
5.76 Â 8% -1.6 4.19 Â 6% perf-profile.children.cycles-pp.io_submit_one
5.66 Â 5% -1.6 4.09 Â 20% perf-profile.children.cycles-pp.btrfs_mark_extent_written
4.52 Â 3% -1.5 2.99 Â 19% perf-profile.children.cycles-pp.add_pending_csums
5.59 Â 8% -1.5 4.07 Â 6% perf-profile.children.cycles-pp.aio_write
4.51 Â 3% -1.5 2.99 Â 19% perf-profile.children.cycles-pp.btrfs_csum_file_blocks
5.44 Â 8% -1.5 3.96 Â 7% perf-profile.children.cycles-pp.btrfs_file_write_iter
5.34 Â 9% -1.4 3.90 Â 6% perf-profile.children.cycles-pp.btrfs_buffered_write
5.88 Â 7% -1.4 4.47 Â 11% perf-profile.children.cycles-pp.writepage_delalloc
5.30 Â 8% -1.3 4.01 Â 11% perf-profile.children.cycles-pp.btrfs_run_delalloc_range
5.28 Â 8% -1.3 3.99 Â 11% perf-profile.children.cycles-pp.run_delalloc_nocow
2.55 Â 2% -0.9 1.67 Â 16% perf-profile.children.cycles-pp.btrfs_cow_block
2.54 Â 2% -0.9 1.66 Â 16% perf-profile.children.cycles-pp.__btrfs_cow_block
2.15 Â 13% -0.8 1.31 Â 8% perf-profile.children.cycles-pp.__lookup_extent_mapping
1.87 Â 12% -0.8 1.04 Â 12% perf-profile.children.cycles-pp.__etree_search
0.94 Â 51% -0.7 0.22 Â 34% perf-profile.children.cycles-pp.printk
0.94 Â 51% -0.7 0.22 Â 34% perf-profile.children.cycles-pp.vprintk_emit
2.60 Â 2% -0.7 1.92 Â 14% perf-profile.children.cycles-pp.btrfs_insert_empty_items
3.00 Â 5% -0.7 2.33 Â 6% perf-profile.children.cycles-pp._raw_spin_lock
1.89 Â 2% -0.7 1.23 Â 7% perf-profile.children.cycles-pp.__set_extent_bit
2.78 Â 4% -0.6 2.14 Â 14% perf-profile.children.cycles-pp.__schedule
1.57 Â 2% -0.5 1.02 Â 9% perf-profile.children.cycles-pp.lock_extent_bits
1.19 Â 14% -0.5 0.70 Â 11% perf-profile.children.cycles-pp.__clear_extent_bit
1.51 Â 7% -0.5 1.04 Â 9% perf-profile.children.cycles-pp.read_block_for_search
2.08 Â 5% -0.5 1.62 Â 18% perf-profile.children.cycles-pp.setup_items_for_insert
2.08 Â 17% -0.4 1.67 Â 24% perf-profile.children.cycles-pp.btrfs_run_delayed_refs
2.08 Â 17% -0.4 1.67 Â 24% perf-profile.children.cycles-pp.__btrfs_run_delayed_refs
1.60 Â 6% -0.4 1.20 Â 12% perf-profile.children.cycles-pp.schedule
1.95 Â 11% -0.4 1.58 Â 12% perf-profile.children.cycles-pp.try_to_wake_up
1.31 Â 6% -0.4 0.94 Â 9% perf-profile.children.cycles-pp.create_io_em
0.99 Â 4% -0.4 0.63 Â 13% perf-profile.children.cycles-pp.alloc_tree_block_no_bg_flush
1.00 Â 6% -0.4 0.65 Â 7% perf-profile.children.cycles-pp.lock_and_cleanup_extent_if_need
1.27 Â 9% -0.4 0.92 Â 11% perf-profile.children.cycles-pp.__wake_up_common_lock
0.98 Â 3% -0.4 0.63 Â 13% perf-profile.children.cycles-pp.btrfs_alloc_tree_block
1.27 Â 5% -0.4 0.92 Â 7% perf-profile.children.cycles-pp.btrfs_dirty_pages
1.34 Â 7% -0.3 0.99 Â 10% perf-profile.children.cycles-pp.btrfs_map_bio
1.11 Â 9% -0.3 0.77 Â 11% perf-profile.children.cycles-pp.generic_bin_search
1.16 Â 6% -0.3 0.82 Â 9% perf-profile.children.cycles-pp.find_extent_buffer
0.91 Â 7% -0.3 0.57 Â 21% perf-profile.children.cycles-pp.btrfs_lookup_csum
1.21 Â 11% -0.3 0.90 Â 10% perf-profile.children.cycles-pp.btrfs_lookup_csums_range
1.21 Â 11% -0.3 0.91 Â 9% perf-profile.children.cycles-pp.csum_exist_in_range
1.10 Â 10% -0.3 0.80 Â 9% perf-profile.children.cycles-pp.__wake_up_common
0.37 Â 70% -0.3 0.07 Â 18% perf-profile.children.cycles-pp.test_range_bit
1.61 Â 4% -0.3 1.32 Â 15% perf-profile.children.cycles-pp.push_leaf_right
0.60 Â 4% -0.3 0.31 Â 25% perf-profile.children.cycles-pp.btrfs_extend_item
1.02 Â 9% -0.3 0.73 Â 10% perf-profile.children.cycles-pp.autoremove_wake_function
1.12 Â 4% -0.3 0.84 Â 9% perf-profile.children.cycles-pp.btrfs_drop_extent_cache
0.82 Â 6% -0.3 0.55 Â 4% perf-profile.children.cycles-pp.btrfs_release_path
0.85 Â 8% -0.3 0.59 Â 17% perf-profile.children.cycles-pp.copy_extent_buffer_full
0.99 Â 4% -0.3 0.73 Â 13% perf-profile.children.cycles-pp.btrfs_set_token_32
1.44 Â 13% -0.3 1.18 Â 5% perf-profile.children.cycles-pp.btrfs_delalloc_reserve_metadata
0.84 Â 8% -0.3 0.59 Â 17% perf-profile.children.cycles-pp.copy_page
0.87 Â 11% -0.3 0.62 Â 11% perf-profile.children.cycles-pp.pagecache_get_page
0.84 Â 7% -0.2 0.60 Â 11% perf-profile.children.cycles-pp.kmem_cache_alloc
1.12 Â 7% -0.2 0.88 Â 17% perf-profile.children.cycles-pp.__extent_writepage_io
1.30 Â 15% -0.2 1.06 Â 5% perf-profile.children.cycles-pp.reserve_metadata_bytes
0.82 Â 4% -0.2 0.58 Â 13% perf-profile.children.cycles-pp.run_one_async_done
1.25 Â 3% -0.2 1.01 Â 15% perf-profile.children.cycles-pp.schedule_idle
0.34 Â 53% -0.2 0.10 Â 28% perf-profile.children.cycles-pp.delay_tsc
0.70 Â 13% -0.2 0.47 Â 11% perf-profile.children.cycles-pp.prepare_pages
0.50 Â 22% -0.2 0.28 Â 13% perf-profile.children.cycles-pp.clear_state_bit
0.84 Â 5% -0.2 0.63 Â 6% perf-profile.children.cycles-pp.btrfs_get_extent
0.54 Â 11% -0.2 0.34 Â 4% perf-profile.children.cycles-pp.btrfs_free_path
1.16 Â 11% -0.2 0.96 Â 19% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
0.53 Â 9% -0.2 0.33 Â 18% perf-profile.children.cycles-pp.unpin_extent_cache
1.07 Â 10% -0.2 0.88 Â 10% perf-profile.children.cycles-pp.btrfs_lookup_file_extent
0.50 Â 4% -0.2 0.31 Â 15% perf-profile.children.cycles-pp.clear_extent_bit
0.45 Â 13% -0.2 0.26 Â 11% perf-profile.children.cycles-pp.kmem_cache_free
0.40 Â 14% -0.2 0.21 Â 50% perf-profile.children.cycles-pp.__writeback_inodes_wb
0.64 Â 7% -0.2 0.45 Â 10% perf-profile.children.cycles-pp.dequeue_task_fair
0.50 Â 8% -0.2 0.33 Â 23% perf-profile.children.cycles-pp.btrfs_add_delayed_tree_ref
0.88 Â 13% -0.2 0.71 Â 2% perf-profile.children.cycles-pp.wait_reserve_ticket
0.52 Â 9% -0.2 0.35 Â 7% perf-profile.children.cycles-pp.__radix_tree_lookup
0.52 Â 8% -0.2 0.36 Â 8% perf-profile.children.cycles-pp.xas_load
0.78 Â 19% -0.2 0.62 Â 23% perf-profile.children.cycles-pp.__btrfs_free_extent
0.56 Â 17% -0.1 0.42 Â 15% perf-profile.children.cycles-pp.btrfs_del_items
0.51 Â 5% -0.1 0.36 Â 9% perf-profile.children.cycles-pp.dequeue_entity
0.39 Â 7% -0.1 0.24 Â 6% perf-profile.children.cycles-pp.__set_page_dirty_nobuffers
0.82 Â 14% -0.1 0.68 Â 18% perf-profile.children.cycles-pp.ttwu_do_activate
0.55 Â 8% -0.1 0.41 Â 8% perf-profile.children.cycles-pp.btrfs_submit_bio_hook
0.53 Â 5% -0.1 0.40 Â 13% perf-profile.children.cycles-pp.update_load_avg
0.40 Â 8% -0.1 0.27 Â 27% perf-profile.children.cycles-pp.add_delayed_ref_head
0.35 Â 13% -0.1 0.22 Â 3% perf-profile.children.cycles-pp.set_extent_bit
0.52 Â 9% -0.1 0.39 Â 7% perf-profile.children.cycles-pp.btrfs_wq_submit_bio
0.35 Â 3% -0.1 0.23 Â 32% perf-profile.children.cycles-pp.queued_write_lock_slowpath
0.33 Â 6% -0.1 0.21 Â 15% perf-profile.children.cycles-pp.__slab_alloc
0.63 Â 19% -0.1 0.51 Â 13% perf-profile.children.cycles-pp.sched_ttwu_pending
0.31 Â 11% -0.1 0.19 Â 28% perf-profile.children.cycles-pp.btrfs_update_inode
0.31 Â 11% -0.1 0.19 Â 28% perf-profile.children.cycles-pp.btrfs_update_inode_fallback
0.57 Â 5% -0.1 0.46 Â 10% perf-profile.children.cycles-pp.find_lock_delalloc_range
0.45 Â 5% -0.1 0.34 Â 9% perf-profile.children.cycles-pp.btrfs_cross_ref_exist
0.29 Â 3% -0.1 0.18 Â 7% perf-profile.children.cycles-pp.free_extent_buffer
0.38 Â 3% -0.1 0.26 Â 8% perf-profile.children.cycles-pp.btrfs_mark_buffer_dirty
0.46 Â 5% -0.1 0.35 Â 13% perf-profile.children.cycles-pp.find_delalloc_range
0.41 Â 9% -0.1 0.30 Â 2% perf-profile.children.cycles-pp.btrfs_copy_from_user
0.40 Â 9% -0.1 0.29 Â 2% perf-profile.children.cycles-pp.iov_iter_copy_from_user_atomic
0.38 Â 10% -0.1 0.27 perf-profile.children.cycles-pp.find_get_entry
0.31 Â 12% -0.1 0.20 Â 31% perf-profile.children.cycles-pp.btrfs_remove_ordered_extent
0.30 Â 6% -0.1 0.20 Â 14% perf-profile.children.cycles-pp.___slab_alloc
0.26 Â 8% -0.1 0.16 Â 7% perf-profile.children.cycles-pp.merge_state
0.38 Â 7% -0.1 0.28 Â 3% perf-profile.children.cycles-pp.copyin
0.26 Â 17% -0.1 0.15 Â 26% perf-profile.children.cycles-pp.btrfs_delayed_update_inode
0.25 Â 4% -0.1 0.15 Â 5% perf-profile.children.cycles-pp.insert_state
0.40 Â 13% -0.1 0.30 Â 13% perf-profile.children.cycles-pp.extent_clear_unlock_delalloc
0.36 Â 9% -0.1 0.26 Â 3% perf-profile.children.cycles-pp.alloc_extent_state
0.38 Â 7% -0.1 0.29 Â 3% perf-profile.children.cycles-pp.copy_user_enhanced_fast_string
0.39 Â 3% -0.1 0.29 Â 14% perf-profile.children.cycles-pp.alloc_extent_buffer
0.31 Â 4% -0.1 0.22 Â 11% perf-profile.children.cycles-pp.set_extent_buffer_dirty
0.26 Â 11% -0.1 0.17 Â 23% perf-profile.children.cycles-pp.unlock_up
0.32 Â 3% -0.1 0.24 Â 13% perf-profile.children.cycles-pp.__btrfs_map_block
0.23 Â 13% -0.1 0.15 Â 28% perf-profile.children.cycles-pp.btrfs_add_delayed_data_ref
0.25 Â 12% -0.1 0.17 Â 2% perf-profile.children.cycles-pp.__slab_free
0.47 Â 6% -0.1 0.39 Â 15% perf-profile.children.cycles-pp.__push_leaf_right
0.26 Â 9% -0.1 0.18 Â 19% perf-profile.children.cycles-pp.__test_set_page_writeback
0.32 Â 11% -0.1 0.24 Â 27% perf-profile.children.cycles-pp.btrfs_add_ordered_extent
0.15 Â 8% -0.1 0.07 Â 6% perf-profile.children.cycles-pp.__xa_set_mark
0.23 Â 7% -0.1 0.15 Â 3% perf-profile.children.cycles-pp.release_extent_buffer
0.18 Â 8% -0.1 0.11 Â 26% perf-profile.children.cycles-pp.alloc_extent_map
0.32 Â 10% -0.1 0.24 Â 27% perf-profile.children.cycles-pp.__btrfs_add_ordered_extent
0.32 Â 17% -0.1 0.24 Â 10% perf-profile.children.cycles-pp.btrfs_tree_read_lock_atomic
0.20 Â 13% -0.1 0.13 Â 27% perf-profile.children.cycles-pp.btrfs_inc_extent_ref
0.14 Â 21% -0.1 0.06 Â 19% perf-profile.children.cycles-pp.find_ref_head
0.13 Â 32% -0.1 0.06 Â 19% perf-profile.children.cycles-pp.rb_erase_cached
0.21 Â 7% -0.1 0.14 Â 15% perf-profile.children.cycles-pp.btrfs_submit_bio_start
0.53 Â 12% -0.1 0.46 Â 16% perf-profile.children.cycles-pp.btrfs_tree_read_lock
0.21 Â 7% -0.1 0.14 Â 15% perf-profile.children.cycles-pp.btrfs_csum_one_bio
0.17 Â 16% -0.1 0.10 Â 8% perf-profile.children.cycles-pp.rb_erase
0.21 Â 7% -0.1 0.14 Â 16% perf-profile.children.cycles-pp.run_one_async_start
0.22 Â 3% -0.1 0.15 Â 22% perf-profile.children.cycles-pp.btrfs_try_tree_write_lock
0.21 Â 9% -0.1 0.15 Â 21% perf-profile.children.cycles-pp.btrfs_leaf_free_space
0.15 Â 23% -0.1 0.09 Â 35% perf-profile.children.cycles-pp.free_extent_map
0.20 Â 9% -0.1 0.14 Â 20% perf-profile.children.cycles-pp.leaf_space_used
0.19 Â 8% -0.1 0.13 Â 13% perf-profile.children.cycles-pp.check_delayed_ref
0.17 Â 13% -0.1 0.12 Â 31% perf-profile.children.cycles-pp.get_page_from_freelist
0.13 Â 8% -0.1 0.08 Â 26% perf-profile.children.cycles-pp.__update_load_avg_se
0.17 Â 2% -0.1 0.12 Â 18% perf-profile.children.cycles-pp.btrfs_set_range_writeback
0.15 Â 8% -0.1 0.09 Â 20% perf-profile.children.cycles-pp.xas_set_mark
0.18 Â 6% -0.1 0.13 Â 16% perf-profile.children.cycles-pp.___might_sleep
0.20 Â 11% -0.1 0.15 Â 35% perf-profile.children.cycles-pp.__alloc_pages_nodemask
0.10 Â 9% -0.1 0.04 Â 71% perf-profile.children.cycles-pp.btrfs_tree_unlock
0.14 Â 11% -0.1 0.09 Â 28% perf-profile.children.cycles-pp.btrfs_reserve_extent
0.10 Â 33% -0.1 0.05 Â 72% perf-profile.children.cycles-pp.__btrfs_release_delayed_node
0.22 Â 9% -0.0 0.17 Â 25% perf-profile.children.cycles-pp.mark_extent_buffer_accessed
0.09 Â 13% -0.0 0.04 Â 71% perf-profile.children.cycles-pp.btrfs_tree_read_unlock_blocking
0.18 Â 8% -0.0 0.14 Â 24% perf-profile.children.cycles-pp.__list_del_entry_valid
0.09 Â 13% -0.0 0.04 Â 73% perf-profile.children.cycles-pp.verify_parent_transid
0.11 Â 19% -0.0 0.07 Â 11% perf-profile.children.cycles-pp.entry_SYSCALL_64
0.22 Â 5% -0.0 0.18 Â 12% perf-profile.children.cycles-pp.check_committed_ref
0.11 Â 19% -0.0 0.07 Â 23% perf-profile.children.cycles-pp.select_idle_sibling
0.14 Â 11% -0.0 0.09 Â 5% perf-profile.children.cycles-pp.do_io_getevents
0.15 Â 7% -0.0 0.11 Â 4% perf-profile.children.cycles-pp.__x64_sys_io_getevents
0.08 Â 10% -0.0 0.04 Â 71% perf-profile.children.cycles-pp.btrfs_release_extent_buffer_pages
0.17 Â 18% -0.0 0.13 Â 9% perf-profile.children.cycles-pp.clear_page_dirty_for_io
0.14 Â 5% -0.0 0.10 ïï 25% perf-profile.children.cycles-pp.block_group_cache_tree_search
0.18 Â 4% -0.0 0.14 Â 11% perf-profile.children.cycles-pp.btrfs_get_chunk_map
0.11 Â 13% -0.0 0.08 Â 12% perf-profile.children.cycles-pp.btrfs_buffer_uptodate
0.15 Â 15% -0.0 0.11 Â 19% perf-profile.children.cycles-pp.xas_find_marked
0.12 Â 15% -0.0 0.08 Â 20% perf-profile.children.cycles-pp.btrfs_unlock_up_safe
0.12 Â 14% -0.0 0.08 Â 14% perf-profile.children.cycles-pp.btrfs_set_path_blocking
0.11 Â 11% -0.0 0.07 Â 28% perf-profile.children.cycles-pp.find_free_extent
0.24 Â 5% -0.0 0.20 Â 6% perf-profile.children.cycles-pp.btrfs_root_node
0.07 Â 6% -0.0 0.03 Â 70% perf-profile.children.cycles-pp.extent_mergeable
0.13 Â 12% -0.0 0.10 Â 9% perf-profile.children.cycles-pp.__switch_to
0.10 Â 18% -0.0 0.07 Â 7% perf-profile.children.cycles-pp.rb_insert_color_cached
0.07 Â 14% -0.0 0.04 Â 71% perf-profile.children.cycles-pp.rb_prev
0.11 Â 11% -0.0 0.08 Â 12% perf-profile.children.cycles-pp.get_io_u
0.10 Â 14% -0.0 0.07 Â 23% perf-profile.children.cycles-pp.available_idle_cpu
0.17 Â 10% -0.0 0.13 Â 3% perf-profile.children.cycles-pp._raw_write_lock
0.10 Â 11% -0.0 0.06 Â 7% perf-profile.children.cycles-pp.__might_sleep
0.17 Â 7% -0.0 0.14 Â 12% perf-profile.children.cycles-pp._raw_read_lock
0.17 Â 10% -0.0 0.14 Â 12% perf-profile.children.cycles-pp.can_overcommit
0.10 Â 11% -0.0 0.07 perf-profile.children.cycles-pp.__list_add_valid
0.09 Â 7% -0.0 0.06 Â 7% perf-profile.children.cycles-pp.aio_read_events
0.11 Â 10% -0.0 0.08 Â 10% perf-profile.children.cycles-pp.___perf_sw_event
0.11 Â 9% -0.0 0.09 Â 18% perf-profile.children.cycles-pp.get_alloc_profile
0.11 Â 12% -0.0 0.08 Â 14% perf-profile.children.cycles-pp.pick_next_task_idle
0.10 Â 13% -0.0 0.07 Â 6% perf-profile.children.cycles-pp.read_events
0.08 Â 6% -0.0 0.06 Â 13% perf-profile.children.cycles-pp.replace_extent_mapping
0.10 Â 5% -0.0 0.08 Â 10% perf-profile.children.cycles-pp.menu_reflect
0.07 Â 17% +0.0 0.09 Â 5% perf-profile.children.cycles-pp.run_posix_cpu_timers
0.05 Â 58% +0.0 0.08 Â 6% perf-profile.children.cycles-pp.rcu_irq_enter
0.19 Â 11% +0.1 0.26 Â 17% perf-profile.children.cycles-pp.native_irq_return_iret
0.20 Â 14% +0.1 0.27 Â 8% perf-profile.children.cycles-pp.btrfs_comp_cpu_keys
0.38 Â 9% +0.1 0.46 perf-profile.children.cycles-pp.load_balance
0.30 Â 8% +0.1 0.38 Â 15% perf-profile.children.cycles-pp.irq_enter
0.21 Â 24% +0.1 0.30 Â 9% perf-profile.children.cycles-pp.rcu_sched_clock_irq
0.22 Â 3% +0.1 0.32 Â 9% perf-profile.children.cycles-pp.lapic_next_deadline
0.52 Â 12% +0.1 0.63 Â 3% perf-profile.children.cycles-pp.rebalance_domains
1.90 Â 10% +0.3 2.23 Â 2% perf-profile.children.cycles-pp.__hrtimer_run_queues
0.23 Â 12% +0.4 0.67 Â 15% perf-profile.children.cycles-pp.read_extent_buffer
2.88 Â 11% +0.5 3.41 perf-profile.children.cycles-pp.hrtimer_interrupt
0.09 Â 12% +0.7 0.83 Â 15% perf-profile.children.cycles-pp.btrfs_get_token_8
2.37 Â 19% +0.8 3.19 Â 5% perf-profile.children.cycles-pp.btrfs_async_reclaim_metadata_space
2.33 Â 19% +0.8 3.17 Â 5% perf-profile.children.cycles-pp.flush_space
0.14 Â 34% +1.3 1.39 Â 19% perf-profile.children.cycles-pp.btrfs_write_and_wait_transaction
0.14 Â 34% +1.3 1.39 Â 19% perf-profile.children.cycles-pp.btrfs_write_marked_extents
0.14 Â 34% +1.3 1.39 Â 19% perf-profile.children.cycles-pp.__filemap_fdatawrite_range
0.42 Â 43% +1.3 1.67 Â 18% perf-profile.children.cycles-pp.btrfs_commit_transaction
0.25 Â 5% +1.9 2.17 Â 10% perf-profile.children.cycles-pp.btrfs_get_token_64
1.71 Â 5% +2.1 3.79 Â 5% perf-profile.children.cycles-pp.btrfs_get_token_32
0.43 Â 8% +2.4 2.84 Â 10% perf-profile.children.cycles-pp.map_private_extent_buffer
8.37 Â 7% +3.3 11.65 Â 16% perf-profile.children.cycles-pp.wb_writeback
8.37 Â 7% +3.3 11.65 Â 16% perf-profile.children.cycles-pp.writeback_sb_inodes
8.37 Â 7% +3.3 11.65 Â 16% perf-profile.children.cycles-pp.__writeback_single_inode
8.37 Â 7% +3.3 11.65 Â 16% perf-profile.children.cycles-pp.wb_workfn
50.06 Â 2% +3.8 53.82 Â 4% perf-profile.children.cycles-pp.intel_idle
61.99 Â 2% +4.4 66.39 Â 3% perf-profile.children.cycles-pp.do_idle
61.98 Â 2% +4.4 66.38 Â 3% perf-profile.children.cycles-pp.secondary_startup_64
61.98 Â 2% +4.4 66.38 Â 3% perf-profile.children.cycles-pp.cpu_startup_entry
8.51 Â 7% +4.5 13.04 Â 12% perf-profile.children.cycles-pp.do_writepages
56.43 Â 3% +4.9 61.30 Â 3% perf-profile.children.cycles-pp.cpuidle_enter_state
61.27 Â 2% +5.1 66.37 Â 3% perf-profile.children.cycles-pp.start_secondary
1.43 Â 7% +6.2 7.64 Â 13% perf-profile.children.cycles-pp.submit_extent_page
1.20 Â 17% +6.2 7.45 Â 13% perf-profile.children.cycles-pp.btree_write_cache_pages
1.05 Â 17% +6.3 7.31 Â 13% perf-profile.children.cycles-pp.write_one_eb
1.11 Â 7% +6.3 7.37 Â 13% perf-profile.children.cycles-pp.submit_one_bio
0.55 Â 16% +6.4 6.95 Â 13% perf-profile.children.cycles-pp.btree_submit_bio_hook
0.00 +6.5 6.48 Â 13% perf-profile.children.cycles-pp.check_leaf
0.00 +6.5 6.53 Â 13% perf-profile.children.cycles-pp.btree_csum_one_bio
2.12 Â 11% -0.8 1.29 Â 7% perf-profile.self.cycles-pp.__lookup_extent_mapping
1.83 Â 12% -0.8 1.03 Â 13% perf-profile.self.cycles-pp.__etree_search
2.06 Â 5% -0.5 1.59 Â 5% perf-profile.self.cycles-pp._raw_spin_lock
0.81 Â 9% -0.3 0.52 Â 10% perf-profile.self.cycles-pp.generic_bin_search
0.84 Â 7% -0.3 0.58 Â 17% perf-profile.self.cycles-pp.copy_page
0.33 Â 54% -0.2 0.10 Â 28% perf-profile.self.cycles-pp.delay_tsc
0.89 Â 9% -0.2 0.69 Â 14% perf-profile.self.cycles-pp.btrfs_set_token_32
0.81 Â 4% -0.2 0.63 Â 14% perf-profile.self.cycles-pp.__schedule
0.51 Â 9% -0.2 0.35 Â 6% perf-profile.self.cycles-pp.__radix_tree_lookup
0.45 Â 8% -0.1 0.32 Â 10% perf-profile.self.cycles-pp.xas_load
0.43 Â 4% -0.1 0.31 Â 6% perf-profile.self.cycles-pp.find_extent_buffer
0.77 Â 5% -0.1 0.66 Â 11% perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.31 Â 10% -0.1 0.20 Â 28% perf-profile.self.cycles-pp.add_delayed_ref_head
0.39 Â 16% -0.1 0.29 Â 16% perf-profile.self.cycles-pp.try_to_wake_up
0.31 Â 4% -0.1 0.20 Â 26% perf-profile.self.cycles-pp.queued_write_lock_slowpath
0.38 Â 7% -0.1 0.29 Â 3% perf-profile.self.cycles-pp.copy_user_enhanced_fast_string
0.20 Â 17% -0.1 0.11 Â 14% perf-profile.self.cycles-pp.kmem_cache_free
0.25 Â 11% -0.1 0.17 Â 2% perf-profile.self.cycles-pp.__slab_free
0.16 Â 9% -0.1 0.08 Â 5% perf-profile.self.cycles-pp.free_extent_buffer
0.28 Â 17% -0.1 0.20 Â 11% perf-profile.self.cycles-pp.btrfs_search_slot
0.31 Â 4% -0.1 0.24 Â 20% perf-profile.self.cycles-pp.kmem_cache_alloc
0.14 Â 21% -0.1 0.06 Â 19% perf-profile.self.cycles-pp.find_ref_head
0.16 Â 10% -0.1 0.09 Â 5% perf-profile.self.cycles-pp.insert_state
0.12 Â 8% -0.1 0.06 Â 72% perf-profile.self.cycles-pp.__update_load_avg_se
0.16 Â 15% -0.1 0.10 Â 8% perf-profile.self.cycles-pp.rb_erase
0.10 Â 9% -0.1 0.04 Â 71% perf-profile.self.cycles-pp.btrfs_tree_unlock
0.15 Â 13% -0.1 0.10 Â 12% perf-profile.self.cycles-pp.___slab_alloc
0.28 Â 13% -0.1 0.22 Â 5% perf-profile.self.cycles-pp.queued_read_lock_slowpath
0.15 Â 21% -0.1 0.09 Â 35% perf-profile.self.cycles-pp.free_extent_map
0.18 Â 6% -0.1 0.12 Â 11% perf-profile.self.cycles-pp.update_load_avg
0.10 Â 11% -0.1 0.04 Â 70% perf-profile.self.cycles-pp.btrfs_extend_item
0.15 Â 23% -0.1 0.09 Â 9% perf-profile.self.cycles-pp.add_extent_mapping
0.15 Â 8% -0.1 0.09 Â 20% perf-profile.self.cycles-pp.xas_set_mark
0.18 Â 6% -0.1 0.13 Â 16% perf-profile.self.cycles-pp.___might_sleep
0.18 Â 6% -0.0 0.13 Â 22% perf-profile.self.cycles-pp.__list_del_entry_valid
0.18 Â 4% -0.0 0.14 Â 22% perf-profile.self.cycles-pp.pick_next_task_fair
0.09 Â 13% -0.0 0.04 Â 73% perf-profile.self.cycles-pp.verify_parent_transid
0.09 Â 12% -0.0 0.04 Â 71% perf-profile.self.cycles-pp.btrfs_tree_read_unlock_blocking
0.16 Â 13% -0.0 0.12 Â 24% perf-profile.self.cycles-pp.mark_page_accessed
0.12 Â 14% -0.0 0.08 Â 20% perf-profile.self.cycles-pp.dequeue_task_fair
0.10 Â 19% -0.0 0.07 Â 18% perf-profile.self.cycles-pp.entry_SYSCALL_64
0.08 Â 14% -0.0 0.04 Â 73% perf-profile.self.cycles-pp.unlock_up
0.15 Â 15% -0.0 0.11 Â 19% perf-profile.self.cycles-pp.xas_find_marked
0.24 Â 6% -0.0 0.20 Â 8% perf-profile.self.cycles-pp.btrfs_root_node
0.17 Â 6% -0.0 0.13 Â 10% perf-profile.self.cycles-pp._raw_read_lock
0.10 Â 13% -0.0 0.06 Â 14% perf-profile.self.cycles-pp.btrfs_csum_one_bio
0.16 Â 7% -0.0 0.13 Â 9% perf-profile.self.cycles-pp.dequeue_entity
0.07 -0.0 0.04 Â 71% perf-profile.self.cycles-pp.io_u_queued_complete
0.08 -0.0 0.05 Â 70% perf-profile.self.cycles-pp.mutex_lock
0.11 Â 11% -0.0 0.08 Â 12% perf-profile.self.cycles-pp.get_io_u
0.16 Â 9% -0.0 0.13 perf-profile.self.cycles-pp._raw_write_lock
0.07 Â 17% -0.0 0.04 Â 73% perf-profile.self.cycles-pp.btrfs_tree_read_lock
0.12 Â 8% -0.0 0.09 Â 13% perf-profile.self.cycles-pp.__switch_to
0.10 Â 11% -0.0 0.06 Â 14% perf-profile.self.cycles-pp.__clear_extent_bit
0.07 Â 12% -0.0 0.04 Â 71% perf-profile.self.cycles-pp.rb_prev
0.10 Â 15% -0.0 0.07 Â 23% perf-profile.self.cycles-pp.find_get_pages_range_tag
0.10 Â 12% -0.0 0.07 Â 23% perf-profile.self.cycles-pp.available_idle_cpu
0.10 Â 11% -0.0 0.07 Â 7% perf-profile.self.cycles-pp.__list_add_valid
0.08 Â 13% -0.0 0.06 Â 8% perf-profile.self.cycles-pp.__might_sleep
0.12 Â 17% -0.0 0.09 Â 15% perf-profile.self.cycles-pp.release_extent_buffer
0.09 Â 17% -0.0 0.07 Â 14% perf-profile.self.cycles-pp.___perf_sw_event
0.08 Â 5% -0.0 0.06 Â 13% perf-profile.self.cycles-pp.__push_leaf_right
0.11 Â 7% -0.0 0.09 Â 9% perf-profile.self.cycles-pp.set_extent_buffer_dirty
0.11 Â 4% -0.0 0.08 Â 11% perf-profile.self.cycles-pp.__set_extent_bit
0.09 Â 7% +0.0 0.11 Â 4% perf-profile.self.cycles-pp.hrtimer_interrupt
0.07 Â 17% +0.0 0.09 Â 5% perf-profile.self.cycles-pp.run_posix_cpu_timers
0.07 Â 7% +0.0 0.09 Â 5% perf-profile.self.cycles-pp.load_balance
0.01 Â173% +0.1 0.07 Â 17% perf-profile.self.cycles-pp.lapic_next_deadline
0.00 +0.1 0.06 Â 23% perf-profile.self.cycles-pp.find_next_and_bit
0.19 Â 11% +0.1 0.26 Â 17% perf-profile.self.cycles-pp.native_irq_return_iret
0.19 Â 24% +0.1 0.28 Â 7% perf-profile.self.cycles-pp.rcu_sched_clock_irq
0.50 Â 8% +0.2 0.69 Â 17% perf-profile.self.cycles-pp.cpuidle_enter_state
0.07 Â 11% +0.4 0.46 Â 17% perf-profile.self.cycles-pp.btrfs_get_token_8
0.22 Â 13% +0.4 0.66 Â 16% perf-profile.self.cycles-pp.read_extent_buffer
0.00 +0.6 0.65 Â 14% perf-profile.self.cycles-pp.check_leaf
0.15 Â 11% +1.0 1.13 Â 11% perf-profile.self.cycles-pp.btrfs_get_token_64
1.48 Â 7% +1.0 2.51 Â 5% perf-profile.self.cycles-pp.btrfs_get_token_32
0.41 Â 8% +2.2 2.61 Â 9% perf-profile.self.cycles-pp.map_private_extent_buffer
49.99 Â 2% +3.7 53.74 Â 4% perf-profile.self.cycles-pp.intel_idle


fio.write_bw_MBps
300 +-+-------------------------------------------------------------------+
| |
250 +-++.+ +. .+.. .+..+..+.+.. .+..+.. .+ |
| : : +. +..+ + +..+ +. + |
| : : : : : : |
200 +-+ : : : : : : O O |
O O O: O :O O O O O O O O O O: O:O O: O: O O O O O
150 +-+ : : : : : : |
| : : : : : : |
100 +-+ : : : : : : |
| : : : : : : |
| : : : : : : |
50 +-+ :: :: :: |
| : : : |
0 +-+---------------------------------------------O-------------O-------+
fio.write_iops
70000 +-+-----------------------------------------------------------------+
|..+.+ +..+..+.+.. .+.+..+.+..+ +.. +..+.+..+..+ |
60000 +-+ : : +. : : + : |
| : : : : : : |
50000 +-+ : : : : : : |
O O O: :O O O O O O O O O O: O:O O:O : O O O O O O O
40000 +-+ : O: : : : : |
| : : : : : : |
30000 +-+ : : : : : : |
| : : : : : : |
20000 +-+ : : : : : : |
| :: :: :: |
10000 +-+ : : : |
| : : : |
0 +-+--------------------------------------------O------------O-------+
fio.write_clat_mean_us
30000 +-+-----------------------------------------------------------------+
| |
25000 O-+O O O O O O O O O O O O O O O O O O O |
| O O O O O
| |
20000 +-+ |
|..+.+ +..+..+.+..+..+.+..+.+..+ +..+ +..+.+..+..+ |
15000 +-+ : : : : : : |
| : : : : : : |
10000 +-+ : : : : : : |
| : : : : : : |
| : : : : : : |
5000 +-+ : : : : :: |
| : : : |
0 +-+--------------------------------------------O------------O-------+
fio.write_clat_stddev
160000 +-+----------------------------------------------------------------+
| |
140000 O-+O O O O O O O O O O O O O O |
120000 +-+ O O |
| |
100000 +-+ O O O O O O O O
| |
80000 +-+ |
| .+.. |
60000 +-++.+ +..+.+. +.+..+.+..+..+ +.+ +..+..+.+..+ |
40000 +-+ : : : : : : |
| : : : : : : |
20000 +-+ : : : : : : |
| :: :: :: |
0 +-+-------------------------------------------O------------O-------+
fio.write_slat_mean_us
900 +-+-------------------------------------------------------------------+
O O O O O O O O O O O O O O O O O O |
800 +-+O O O O O O O
700 +-+ |
| |
600 +-++.+ +.+..+..+..+.+..+..+.+..+ +..+ +..+..+..+.+ |
500 +-+ : : : : : : |
| : : : : : : |
400 +-+ : : : : : : |
300 +-+ : : : : : : |
| : : : : : : |
200 +-+ : : : : : : |
100 +-+ : : :: :: |
| : : : |
0 +-+---------------------------------------------O-------------O-------+
fio.write_slat_stddev
25000 +-+-----O---------O-------------------------------------------------+
O O O O O O O O O O O O O O O |
| |
20000 +-+ |
| O O O O O O O O
| |
15000 +-+ |
| |
10000 +-++. .+.. .+.. .+..+ .+ .+..+ |
|. + +..+..+ +..+ + : +. : +..+.+. |
| : : : : : : |
5000 +-+ : : : : : : |
| : : : : : : |
| :: : :: |
0 +-+--------------------------------------------O------------O-------+
fio.latency_1000ms_
0.4 +-+------------------------------------------------------------------+
| |
0.35 +-+ O |
0.3 +-+ |
| O O |
0.25 +-+ O O |
| O O O
0.2 O-+ O O O O O O O O O O |
| O O |
0.15 +-+O O O O |
0.1 +-+ |
| |
0.05 +-+ |
| .+. .+..+..+.+..+.. .+. .+.+..+.. |
0 +-+---------------------------------------------O------------O-------+
fio.workload
1.4e+07 +-+---------------------------------------------------------------+
|..+.+ +..+.+..+.+..+.+..+.+..+ +.. +.+..+.+..+ |
1.2e+07 +-+ : : : : + : |
| : : : : : : |
1e+07 +-+ : : : : : : |
O O O: :O O O O O O O O O O: O:O O:O : O O O O O O O
8e+06 +-+ : O: : : : : |
| : : : : : : |
6e+06 +-+ : : : : : : |
| : : : : : : |
4e+06 +-+ : : : : : : |
| :: :: :: |
2e+06 +-+ : : : |
| : : : |
0 +-+-------------------------------------------O-----------O-------+
fio.time.voluntary_context_switches
1.4e+07 +-+---------------------------------------------------------------+
| |
1.2e+07 +-++.+ +..+.+..+.+..+.+..+.+..+ +..+ +.+..+.+..+ |
| : : : : : : |
1e+07 +-+ : : : : : : |
| O O: : O O O : : :O : O O O O O O O
8e+06 O-+ : O:O O O O O O O: O:O O: : |
| : : : : : : |
6e+06 +-+ : : : : : : |
| : : : : : : |
4e+06 +-+ : : : : : : |
| : : : : :: |
2e+06 +-+ : : :: |
| : : : |
0 +-+-------------------------------------------O-----------O-------+
fio.time.file_system_outputs
1.2e+08 +-+---------------------------------------------------------------+
| |
1e+08 +-++.+ +..+.+..+.+..+.+..+.+..+ +..+ +.+..+.+..+ |
| : : : : : : |
| : : : : : : |
8e+07 +-+ : : : : : : O O O O O
O O O: O:O O O O O O O O O O: O:O O:O : O O |
6e+07 +-+ : : : : : : |
| : : : : : : |
4e+07 +-+ : : : : : : |
| : : : : : : |
| : : : : :: |
2e+07 +-+ : : :: |
| : : : |
0 +-+-------------------------------------------O-----------O-------+
[*] 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.


Thanks,
Rong Chen


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--
Zhengjun Xing