Re: [LKP] [SUNRPC] 0472e47660: fsmark.app_overhead 16.0% regression

From: Xing Zhengjun
Date: Wed May 29 2019 - 21:39:07 EST


Hi Trond,

On 5/20/2019 1:54 PM, kernel test robot wrote:
Greeting,

FYI, we noticed a 16.0% improvement of fsmark.app_overhead due to commit:


commit: 0472e476604998c127f3c80d291113e77c5676ac ("SUNRPC: Convert socket page send code to use iov_iter()")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: fsmark
on test machine: 40 threads Intel(R) Xeon(R) CPU E5-2690 v2 @ 3.00GHz with 384G memory
with following parameters:

iterations: 1x
nr_threads: 64t
disk: 1BRD_48G
fs: xfs
fs2: nfsv4
filesize: 4M
test_size: 40G
sync_method: fsyncBeforeClose
cpufreq_governor: performance

test-description: The fsmark is a file system benchmark to test synchronous write workloads, for example, mail servers workload.
test-url: https://sourceforge.net/projects/fsmark/



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

=========================================================================================
compiler/cpufreq_governor/disk/filesize/fs2/fs/iterations/kconfig/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase:
gcc-7/performance/1BRD_48G/4M/nfsv4/xfs/1x/x86_64-rhel-7.6/64t/debian-x86_64-2018-04-03.cgz/fsyncBeforeClose/lkp-ivb-ep01/40G/fsmark

commit:
e791f8e938 ("SUNRPC: Convert xs_send_kvec() to use iov_iter_kvec()")
0472e47660 ("SUNRPC: Convert socket page send code to use iov_iter()")

e791f8e9380d945e 0472e476604998c127f3c80d291
---------------- ---------------------------
fail:runs %reproduction fail:runs
| | |
:4 50% 2:4 dmesg.WARNING:at#for_ip_interrupt_entry/0x
%stddev %change %stddev
\ | \
15118573 ± 2% +16.0% 17538083 fsmark.app_overhead
510.93 -22.7% 395.12 fsmark.files_per_sec
24.90 +22.8% 30.57 fsmark.time.elapsed_time
24.90 +22.8% 30.57 fsmark.time.elapsed_time.max
288.00 ± 2% -27.8% 208.00 fsmark.time.percent_of_cpu_this_job_got
70.03 ± 2% -11.3% 62.14 fsmark.time.system_time
4391964 -16.7% 3658341 meminfo.max_used_kB
6.10 ± 4% +1.9 7.97 ± 3% mpstat.cpu.all.iowait%
0.27 -0.0 0.24 ± 3% mpstat.cpu.all.soft%
13668070 ± 40% +118.0% 29801846 ± 19% numa-numastat.node0.local_node
13677774 ± 40% +117.9% 29810258 ± 19% numa-numastat.node0.numa_hit
5.70 ± 3% +32.1% 7.53 ± 3% iostat.cpu.iowait
16.42 ± 2% -5.8% 15.47 iostat.cpu.system
2.57 -4.1% 2.46 iostat.cpu.user
1406781 ± 2% -15.5% 1188498 vmstat.io.bo
251792 ± 3% -16.6% 209928 vmstat.system.cs
84841 -1.9% 83239 vmstat.system.in
97374502 ± 20% +66.1% 1.617e+08 ± 17% cpuidle.C1E.time
573934 ± 19% +44.6% 829662 ± 26% cpuidle.C1E.usage
5.892e+08 ± 8% +15.3% 6.796e+08 ± 2% cpuidle.C6.time
1968016 ± 3% -15.1% 1670867 ± 3% cpuidle.POLL.time
106420 ± 47% +86.2% 198108 ± 35% numa-meminfo.node0.Active
106037 ± 48% +86.2% 197395 ± 35% numa-meminfo.node0.Active(anon)
105052 ± 48% +86.6% 196037 ± 35% numa-meminfo.node0.AnonPages
212876 ± 24% -41.5% 124572 ± 56% numa-meminfo.node1.Active
211801 ± 24% -41.5% 123822 ± 56% numa-meminfo.node1.Active(anon)
208559 ± 24% -42.2% 120547 ± 57% numa-meminfo.node1.AnonPages
9955 +1.6% 10116 proc-vmstat.nr_kernel_stack
452.25 ± 59% +280.9% 1722 ±100% proc-vmstat.numa_hint_faults_local
33817303 +55.0% 52421773 ± 5% proc-vmstat.numa_hit
33804286 +55.0% 52408807 ± 5% proc-vmstat.numa_local
33923002 +81.8% 61663426 ± 5% proc-vmstat.pgalloc_normal
184765 +9.3% 201985 proc-vmstat.pgfault
12840986 +216.0% 40581327 ± 7% proc-vmstat.pgfree
31447 ± 11% -26.1% 23253 ± 13% sched_debug.cfs_rq:/.min_vruntime.max
4241 ± 3% -12.2% 3724 ± 11% sched_debug.cfs_rq:/.min_vruntime.stddev
20631 ± 11% -36.7% 13069 ± 29% sched_debug.cfs_rq:/.spread0.max
4238 ± 4% -12.1% 3724 ± 11% sched_debug.cfs_rq:/.spread0.stddev
497105 ± 19% -16.0% 417777 ± 4% sched_debug.cpu.avg_idle.avg
21199 ± 10% -12.0% 18650 ± 3% sched_debug.cpu.nr_load_updates.max
2229 ± 10% -15.0% 1895 ± 4% sched_debug.cpu.nr_load_updates.stddev
4.86 ± 5% -23.6% 3.72 ± 5% sched_debug.cpu.nr_uninterruptible.stddev
524.75 ± 2% -10.7% 468.50 turbostat.Avg_MHz
5.26 ± 41% -1.6 3.66 ± 2% turbostat.C1%
573633 ± 19% +44.6% 829267 ± 26% turbostat.C1E
8.53 ± 20% +3.4 11.88 ± 17% turbostat.C1E%
76.75 -6.4% 71.86 turbostat.CorWatt
2534071 ± 2% +16.2% 2943968 turbostat.IRQ
2.89 ± 24% +52.9% 4.42 ± 22% turbostat.Pkg%pc2
104.28 -4.6% 99.51 turbostat.PkgWatt
2289 +18.8% 2720 turbostat.SMI
26496 ± 47% +86.2% 49347 ± 35% numa-vmstat.node0.nr_active_anon
26251 ± 48% +86.7% 49008 ± 35% numa-vmstat.node0.nr_anon_pages
26496 ± 47% +86.2% 49347 ± 35% numa-vmstat.node0.nr_zone_active_anon
8272770 ± 35% +99.6% 16515977 ± 17% numa-vmstat.node0.numa_hit
8199681 ± 36% +100.9% 16474282 ± 17% numa-vmstat.node0.numa_local
52953 ± 24% -41.5% 30956 ± 56% numa-vmstat.node1.nr_active_anon
52144 ± 24% -42.2% 30136 ± 57% numa-vmstat.node1.nr_anon_pages
2899 ± 2% -19.4% 2336 ± 10% numa-vmstat.node1.nr_writeback
52953 ± 24% -41.5% 30956 ± 56% numa-vmstat.node1.nr_zone_active_anon
4549 ± 8% -18.9% 3689 ± 7% numa-vmstat.node1.nr_zone_write_pending
43.25 -1.6 41.69 perf-stat.i.cache-miss-rate%
286377 ± 2% -19.1% 231819 ± 2% perf-stat.i.context-switches
2.258e+10 ± 4% -16.2% 1.893e+10 ± 10% perf-stat.i.cpu-cycles
4084 -34.0% 2696 ± 2% perf-stat.i.cpu-migrations
21563675 ± 24% -30.8% 14929445 ± 5% perf-stat.i.dTLB-load-misses
1996341 ± 16% -25.7% 1482826 ± 6% perf-stat.i.dTLB-store-misses
2.313e+09 ± 4% -11.7% 2.042e+09 ± 6% perf-stat.i.dTLB-stores
75.93 -1.3 74.66 perf-stat.i.iTLB-load-miss-rate%
1561381 ± 3% -13.4% 1351731 perf-stat.i.iTLB-load-misses
549643 ± 4% -10.1% 494255 ± 3% perf-stat.i.iTLB-loads
6423 -10.0% 5779 perf-stat.i.minor-faults
31.72 ± 2% +4.4 36.14 perf-stat.i.node-load-miss-rate%
23492890 +23.5% 29020305 ± 3% perf-stat.i.node-load-misses
15.13 ± 8% +7.9 23.02 ± 3% perf-stat.i.node-store-miss-rate%
11517615 +71.3% 19734054 ± 2% perf-stat.i.node-store-misses
6423 -10.0% 5779 perf-stat.i.page-faults
16.88 ± 14% +33.4% 22.52 ± 23% perf-stat.overall.MPKI
46.67 -2.4 44.31 perf-stat.overall.cache-miss-rate%
31.96 +4.8 36.72 perf-stat.overall.node-load-miss-rate%
13.85 +8.0 21.87 perf-stat.overall.node-store-miss-rate%
2.266e+08 +2.8% 2.331e+08 ± 2% perf-stat.ps.cache-references
275634 ± 2% -18.5% 224718 ± 2% perf-stat.ps.context-switches
2.174e+10 ± 4% -15.6% 1.835e+10 ± 10% perf-stat.ps.cpu-cycles
3931 -33.5% 2614 ± 2% perf-stat.ps.cpu-migrations
20746040 ± 24% -30.2% 14476157 ± 5% perf-stat.ps.dTLB-load-misses
1921077 ± 16% -25.2% 1437750 ± 6% perf-stat.ps.dTLB-store-misses
2.227e+09 ± 4% -11.1% 1.979e+09 ± 6% perf-stat.ps.dTLB-stores
1503433 ± 3% -12.8% 1310741 perf-stat.ps.iTLB-load-misses
529058 ± 4% -9.4% 479204 ± 3% perf-stat.ps.iTLB-loads
6200 -9.4% 5620 perf-stat.ps.minor-faults
22613159 +24.4% 28133123 ± 3% perf-stat.ps.node-load-misses
11085254 +72.6% 19131576 ± 2% perf-stat.ps.node-store-misses
6200 -9.4% 5620 perf-stat.ps.page-faults
7008 ± 13% +55.2% 10876 ± 31% softirqs.CPU1.NET_RX
6509 ± 4% +51.8% 9883 ± 27% softirqs.CPU1.RCU
7294 ± 13% +36.7% 9974 ± 8% softirqs.CPU10.RCU
7800 ± 14% +85.5% 14469 ± 23% softirqs.CPU12.NET_RX
5697 ± 43% +77.5% 10110 ± 24% softirqs.CPU13.NET_RX
15944 ± 9% +14.6% 18278 ± 12% softirqs.CPU14.TIMER
6064 ± 19% +68.6% 10223 ± 31% softirqs.CPU15.NET_RX
7796 ± 14% +80.3% 14059 ± 25% softirqs.CPU16.NET_RX
15934 ± 10% +22.1% 19452 ± 11% softirqs.CPU18.TIMER
6725 ± 7% +40.0% 9413 ± 18% softirqs.CPU19.NET_RX
5710 ± 3% +53.4% 8756 ± 12% softirqs.CPU20.RCU
7018 ± 14% +65.5% 11616 ± 40% softirqs.CPU21.NET_RX
6389 ± 18% +66.9% 10666 ± 31% softirqs.CPU23.NET_RX
7259 ± 7% +36.1% 9881 ± 6% softirqs.CPU24.RCU
6491 ± 20% +58.5% 10289 ± 33% softirqs.CPU25.NET_RX
7090 ± 10% +58.7% 11256 ± 29% softirqs.CPU27.NET_RX
6333 ± 27% +70.3% 10786 ± 27% softirqs.CPU29.NET_RX
5813 ± 20% +84.2% 10706 ± 36% softirqs.CPU3.NET_RX
7041 ± 23% +105.7% 14483 ± 21% softirqs.CPU30.NET_RX
6654 ± 7% +64.1% 10918 ± 29% softirqs.CPU31.NET_RX
18019 ± 10% +11.1% 20016 ± 7% softirqs.CPU31.TIMER
4666 ± 8% +104.0% 9518 ± 23% softirqs.CPU32.RCU
15721 ± 16% +35.9% 21371 ± 11% softirqs.CPU32.TIMER
15684 ± 13% +40.0% 21959 ± 18% softirqs.CPU34.TIMER
6489 ± 15% +69.7% 11013 ± 37% softirqs.CPU35.NET_RX
7930 ± 7% +82.1% 14442 ± 29% softirqs.CPU36.NET_RX
15744 ± 14% +24.3% 19563 ± 6% softirqs.CPU36.TIMER
7028 ± 13% +29.3% 9085 ± 11% softirqs.CPU39.NET_RX
7491 ± 22% +100.4% 15011 ± 24% softirqs.CPU4.NET_RX
6119 ± 13% +58.7% 9710 ± 37% softirqs.CPU5.NET_RX
6980 ± 8% +47.8% 10318 ± 42% softirqs.CPU7.NET_RX
285674 +65.7% 473395 softirqs.NET_RX
267950 ± 5% +21.1% 324597 softirqs.RCU
238298 ± 2% +15.1% 274371 ± 2% softirqs.SCHED
689305 ± 3% +14.1% 786236 ± 3% softirqs.TIMER
56196 ± 2% +19.9% 67389 interrupts.CPU0.LOC:Local_timer_interrupts
55971 ± 2% +19.7% 67005 interrupts.CPU1.LOC:Local_timer_interrupts
5265 ± 17% -32.2% 3568 ± 29% interrupts.CPU1.RES:Rescheduling_interrupts
56163 ± 2% +19.2% 66960 interrupts.CPU10.LOC:Local_timer_interrupts
56178 ± 2% +19.5% 67139 interrupts.CPU11.LOC:Local_timer_interrupts
4669 ± 15% -30.3% 3253 ± 29% interrupts.CPU11.RES:Rescheduling_interrupts
56081 +19.7% 67142 interrupts.CPU12.LOC:Local_timer_interrupts
55999 ± 2% +19.5% 66893 interrupts.CPU13.LOC:Local_timer_interrupts
4746 ± 23% -30.0% 3324 ± 29% interrupts.CPU13.RES:Rescheduling_interrupts
55991 ± 2% +19.5% 66898 interrupts.CPU14.LOC:Local_timer_interrupts
55855 ± 2% +20.0% 67031 interrupts.CPU15.LOC:Local_timer_interrupts
55943 ± 2% +19.9% 67087 interrupts.CPU16.LOC:Local_timer_interrupts
56164 +18.9% 66802 interrupts.CPU17.LOC:Local_timer_interrupts
4579 ± 20% -45.6% 2492 ± 16% interrupts.CPU17.RES:Rescheduling_interrupts
55913 ± 2% +19.6% 66860 interrupts.CPU18.LOC:Local_timer_interrupts
55820 ± 2% +19.7% 66822 interrupts.CPU19.LOC:Local_timer_interrupts
4733 ± 17% -35.5% 3052 ± 21% interrupts.CPU19.RES:Rescheduling_interrupts
55989 ± 2% +20.0% 67177 interrupts.CPU2.LOC:Local_timer_interrupts
55891 ± 2% +20.3% 67258 interrupts.CPU20.LOC:Local_timer_interrupts
55966 ± 2% +19.6% 66921 interrupts.CPU21.LOC:Local_timer_interrupts
4920 ± 21% -33.4% 3278 ± 31% interrupts.CPU21.RES:Rescheduling_interrupts
55945 ± 2% +19.9% 67098 interrupts.CPU22.LOC:Local_timer_interrupts
55945 ± 2% +19.9% 67073 interrupts.CPU23.LOC:Local_timer_interrupts
4972 ± 24% -34.1% 3277 ± 36% interrupts.CPU23.RES:Rescheduling_interrupts
56093 ± 2% +19.8% 67185 interrupts.CPU24.LOC:Local_timer_interrupts
55910 ± 2% +19.7% 66914 interrupts.CPU25.LOC:Local_timer_interrupts
4660 ± 25% -28.9% 3313 ± 34% interrupts.CPU25.RES:Rescheduling_interrupts
56105 ± 2% +18.8% 66631 interrupts.CPU26.LOC:Local_timer_interrupts
55928 ± 2% +19.5% 66827 interrupts.CPU27.LOC:Local_timer_interrupts
55934 ± 2% +19.3% 66740 interrupts.CPU28.LOC:Local_timer_interrupts
55918 ± 2% +19.5% 66812 interrupts.CPU29.LOC:Local_timer_interrupts
4825 ± 22% -30.3% 3362 ± 30% interrupts.CPU29.RES:Rescheduling_interrupts
55920 ± 2% +19.8% 67004 interrupts.CPU3.LOC:Local_timer_interrupts
56007 ± 2% +19.5% 66917 interrupts.CPU30.LOC:Local_timer_interrupts
56238 +18.8% 66838 interrupts.CPU31.LOC:Local_timer_interrupts
4859 ± 21% -33.0% 3257 ± 36% interrupts.CPU31.RES:Rescheduling_interrupts
56099 +19.3% 66921 interrupts.CPU32.LOC:Local_timer_interrupts
55963 ± 2% +19.5% 66866 interrupts.CPU33.LOC:Local_timer_interrupts
55992 ± 2% +19.2% 66767 interrupts.CPU34.LOC:Local_timer_interrupts
55964 ± 2% +19.6% 66939 interrupts.CPU35.LOC:Local_timer_interrupts
4797 ± 26% -33.6% 3185 ± 38% interrupts.CPU35.RES:Rescheduling_interrupts
55770 ± 2% +20.2% 67016 interrupts.CPU36.LOC:Local_timer_interrupts
55889 +20.0% 67095 interrupts.CPU37.LOC:Local_timer_interrupts
56140 ± 2% +18.9% 66743 interrupts.CPU38.LOC:Local_timer_interrupts
56040 ± 2% +19.2% 66828 interrupts.CPU39.LOC:Local_timer_interrupts
5126 ± 23% -40.5% 3052 ± 11% interrupts.CPU39.RES:Rescheduling_interrupts
56022 ± 2% +19.9% 67149 interrupts.CPU4.LOC:Local_timer_interrupts
55850 ± 2% +20.1% 67066 interrupts.CPU5.LOC:Local_timer_interrupts
4741 ± 23% -31.9% 3227 ± 29% interrupts.CPU5.RES:Rescheduling_interrupts
55912 +19.5% 66798 interrupts.CPU6.LOC:Local_timer_interrupts
56062 ± 2% +19.6% 67052 interrupts.CPU7.LOC:Local_timer_interrupts
56118 +19.6% 67142 interrupts.CPU8.LOC:Local_timer_interrupts
56110 ± 2% +19.6% 67121 interrupts.CPU9.LOC:Local_timer_interrupts
2216 ± 43% -69.4% 677.50 ±112% interrupts.CPU9.NMI:Non-maskable_interrupts
2216 ± 43% -69.4% 677.50 ±112% interrupts.CPU9.PMI:Performance_monitoring_interrupts
2240009 ± 2% +19.6% 2678940 interrupts.LOC:Local_timer_interrupts
168296 ± 3% -10.1% 151314 interrupts.RES:Rescheduling_interrupts
20.37 -3.3 17.04 ± 5% perf-profile.calltrace.cycles-pp.svc_process_common.svc_process.nfsd.kthread.ret_from_fork
20.38 -3.3 17.04 ± 5% perf-profile.calltrace.cycles-pp.svc_process.nfsd.kthread.ret_from_fork
20.27 -3.3 16.95 ± 5% perf-profile.calltrace.cycles-pp.nfsd_dispatch.svc_process_common.svc_process.nfsd.kthread
20.21 -3.3 16.91 ± 5% perf-profile.calltrace.cycles-pp.nfsd4_proc_compound.nfsd_dispatch.svc_process_common.svc_process.nfsd
26.02 -3.1 22.91 ± 4% perf-profile.calltrace.cycles-pp.nfsd.kthread.ret_from_fork
9.04 ± 2% -1.9 7.18 ± 7% perf-profile.calltrace.cycles-pp.nfsd_vfs_write.nfsd4_write.nfsd4_proc_compound.nfsd_dispatch.svc_process_common
9.02 ± 2% -1.9 7.17 ± 7% perf-profile.calltrace.cycles-pp.do_iter_readv_writev.do_iter_write.nfsd_vfs_write.nfsd4_write.nfsd4_proc_compound
9.02 ± 2% -1.9 7.16 ± 7% perf-profile.calltrace.cycles-pp.xfs_file_buffered_aio_write.do_iter_readv_writev.do_iter_write.nfsd_vfs_write.nfsd4_write
9.03 ± 2% -1.9 7.18 ± 7% perf-profile.calltrace.cycles-pp.do_iter_write.nfsd_vfs_write.nfsd4_write.nfsd4_proc_compound.nfsd_dispatch
9.07 ± 2% -1.9 7.22 ± 7% perf-profile.calltrace.cycles-pp.nfsd4_write.nfsd4_proc_compound.nfsd_dispatch.svc_process_common.svc_process
10.50 ± 2% -1.4 9.06 ± 4% perf-profile.calltrace.cycles-pp.xfs_file_fsync.nfsd_commit.nfsd4_proc_compound.nfsd_dispatch.svc_process_common
10.51 ± 2% -1.4 9.08 ± 4% perf-profile.calltrace.cycles-pp.nfsd_commit.nfsd4_proc_compound.nfsd_dispatch.svc_process_common.svc_process
10.45 ± 2% -1.4 9.02 ± 4% perf-profile.calltrace.cycles-pp.file_write_and_wait_range.xfs_file_fsync.nfsd_commit.nfsd4_proc_compound.nfsd_dispatch
9.82 ± 3% -1.4 8.45 ± 3% perf-profile.calltrace.cycles-pp.__filemap_fdatawrite_range.file_write_and_wait_range.xfs_file_fsync.nfsd_commit.nfsd4_proc_compound
9.82 ± 3% -1.4 8.45 ± 3% perf-profile.calltrace.cycles-pp.do_writepages.__filemap_fdatawrite_range.file_write_and_wait_range.xfs_file_fsync.nfsd_commit
9.82 ± 3% -1.4 8.45 ± 3% perf-profile.calltrace.cycles-pp.xfs_vm_writepages.do_writepages.__filemap_fdatawrite_range.file_write_and_wait_range.xfs_file_fsync
10.61 ± 5% -1.1 9.46 ± 4% perf-profile.calltrace.cycles-pp.write
7.54 -1.1 6.41 ± 6% perf-profile.calltrace.cycles-pp.iomap_apply.iomap_file_buffered_write.xfs_file_buffered_aio_write.do_iter_readv_writev.do_iter_write
7.54 -1.1 6.41 ± 6% perf-profile.calltrace.cycles-pp.iomap_file_buffered_write.xfs_file_buffered_aio_write.do_iter_readv_writev.do_iter_write.nfsd_vfs_write
10.27 ± 5% -1.1 9.15 ± 4% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
7.49 -1.1 6.37 ± 6% perf-profile.calltrace.cycles-pp.iomap_write_actor.iomap_apply.iomap_file_buffered_write.xfs_file_buffered_aio_write.do_iter_readv_writev
10.23 ± 5% -1.1 9.11 ± 4% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
10.35 ± 5% -1.1 9.23 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write
10.08 ± 5% -1.1 8.96 ± 4% perf-profile.calltrace.cycles-pp.__vfs_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
10.33 ± 5% -1.1 9.22 ± 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
10.05 ± 5% -1.1 8.95 ± 4% perf-profile.calltrace.cycles-pp.nfs_file_write.__vfs_write.vfs_write.ksys_write.do_syscall_64
9.80 ± 5% -1.1 8.73 ± 4% perf-profile.calltrace.cycles-pp.generic_perform_write.nfs_file_write.__vfs_write.vfs_write.ksys_write
5.31 ± 5% -1.0 4.27 ± 5% perf-profile.calltrace.cycles-pp.rpc_free_task.rpc_async_release.process_one_work.worker_thread.kthread
5.31 ± 5% -1.0 4.27 ± 5% perf-profile.calltrace.cycles-pp.rpc_async_release.process_one_work.worker_thread.kthread.ret_from_fork
4.38 ± 5% -1.0 3.35 ± 2% perf-profile.calltrace.cycles-pp.tcp_recvmsg.inet_recvmsg.svc_recvfrom.svc_tcp_recvfrom.svc_recv
4.38 ± 6% -1.0 3.36 ± 2% perf-profile.calltrace.cycles-pp.inet_recvmsg.svc_recvfrom.svc_tcp_recvfrom.svc_recv.nfsd
4.39 ± 6% -1.0 3.40 ± 2% perf-profile.calltrace.cycles-pp.svc_recvfrom.svc_tcp_recvfrom.svc_recv.nfsd.kthread
3.53 ± 5% -0.9 2.62 ± 3% perf-profile.calltrace.cycles-pp.skb_copy_datagram_iter.tcp_recvmsg.inet_recvmsg.svc_recvfrom.svc_tcp_recvfrom
3.52 ± 5% -0.9 2.62 ± 3% perf-profile.calltrace.cycles-pp.__skb_datagram_iter.skb_copy_datagram_iter.tcp_recvmsg.inet_recvmsg.svc_recvfrom
5.01 ± 6% -0.9 4.14 ± 3% perf-profile.calltrace.cycles-pp.fsync
4.09 ± 7% -0.8 3.24 ± 5% perf-profile.calltrace.cycles-pp.nfs_write_completion.rpc_free_task.rpc_async_release.process_one_work.worker_thread
4.90 ± 6% -0.8 4.05 ± 3% perf-profile.calltrace.cycles-pp.__x64_sys_fsync.do_syscall_64.entry_SYSCALL_64_after_hwframe.fsync
4.90 ± 6% -0.8 4.05 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.fsync
4.90 ± 6% -0.8 4.05 ± 3% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.fsync
4.90 ± 6% -0.8 4.05 ± 3% perf-profile.calltrace.cycles-pp.nfs_file_fsync.do_fsync.__x64_sys_fsync.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.90 ± 6% -0.8 4.05 ± 3% perf-profile.calltrace.cycles-pp.do_fsync.__x64_sys_fsync.do_syscall_64.entry_SYSCALL_64_after_hwframe.fsync
5.84 ± 2% -0.8 5.01 ± 4% perf-profile.calltrace.cycles-pp.write_cache_pages.xfs_vm_writepages.do_writepages.__filemap_fdatawrite_range.file_write_and_wait_range
1.15 ± 7% -0.8 0.36 ±100% perf-profile.calltrace.cycles-pp.rwsem_spin_on_owner.rwsem_down_write_failed.call_rwsem_down_write_failed.down_write.xfs_ilock
4.38 ± 7% -0.8 3.59 ± 3% perf-profile.calltrace.cycles-pp.filemap_write_and_wait_range.nfs_file_fsync.do_fsync.__x64_sys_fsync.do_syscall_64
5.17 ± 2% -0.8 4.39 ± 5% perf-profile.calltrace.cycles-pp.xfs_do_writepage.write_cache_pages.xfs_vm_writepages.do_writepages.__filemap_fdatawrite_range
4.89 ± 4% -0.7 4.18 ± 5% perf-profile.calltrace.cycles-pp.brd_insert_page.brd_do_bvec.brd_make_request.generic_make_request.submit_bio
1.38 ± 9% -0.7 0.68 ± 22% perf-profile.calltrace.cycles-pp.down_write.xfs_ilock.xfs_file_buffered_aio_write.do_iter_readv_writev.do_iter_write
1.38 ± 9% -0.7 0.68 ± 22% perf-profile.calltrace.cycles-pp.call_rwsem_down_write_failed.down_write.xfs_ilock.xfs_file_buffered_aio_write.do_iter_readv_writev
1.38 ± 9% -0.7 0.68 ± 22% perf-profile.calltrace.cycles-pp.rwsem_down_write_failed.call_rwsem_down_write_failed.down_write.xfs_ilock.xfs_file_buffered_aio_write
1.38 ± 9% -0.7 0.68 ± 22% perf-profile.calltrace.cycles-pp.xfs_ilock.xfs_file_buffered_aio_write.do_iter_readv_writev.do_iter_write.nfsd_vfs_write
4.01 ± 3% -0.6 3.40 ± 5% perf-profile.calltrace.cycles-pp.brd_make_request.generic_make_request.submit_bio.xfs_add_to_ioend.xfs_do_writepage
4.01 ± 3% -0.6 3.40 ± 5% perf-profile.calltrace.cycles-pp.submit_bio.xfs_add_to_ioend.xfs_do_writepage.write_cache_pages.xfs_vm_writepages
4.01 ± 3% -0.6 3.40 ± 5% perf-profile.calltrace.cycles-pp.generic_make_request.submit_bio.xfs_add_to_ioend.xfs_do_writepage.write_cache_pages
3.99 ± 3% -0.6 3.38 ± 5% perf-profile.calltrace.cycles-pp.brd_do_bvec.brd_make_request.generic_make_request.submit_bio.xfs_add_to_ioend
4.11 ± 3% -0.6 3.51 ± 4% perf-profile.calltrace.cycles-pp.xfs_add_to_ioend.xfs_do_writepage.write_cache_pages.xfs_vm_writepages.do_writepages
3.97 ± 5% -0.5 3.43 ± 4% perf-profile.calltrace.cycles-pp.submit_bio.xfs_submit_ioend.xfs_vm_writepages.do_writepages.__filemap_fdatawrite_range
3.97 ± 5% -0.5 3.43 ± 4% perf-profile.calltrace.cycles-pp.generic_make_request.submit_bio.xfs_submit_ioend.xfs_vm_writepages.do_writepages
3.98 ± 5% -0.5 3.44 ± 4% perf-profile.calltrace.cycles-pp.xfs_submit_ioend.xfs_vm_writepages.do_writepages.__filemap_fdatawrite_range.file_write_and_wait_range
3.96 ± 5% -0.5 3.43 ± 4% perf-profile.calltrace.cycles-pp.brd_make_request.generic_make_request.submit_bio.xfs_submit_ioend.xfs_vm_writepages
3.92 ± 5% -0.5 3.40 ± 4% perf-profile.calltrace.cycles-pp.brd_do_bvec.brd_make_request.generic_make_request.submit_bio.xfs_submit_ioend
2.89 ± 6% -0.5 2.38 ± 6% perf-profile.calltrace.cycles-pp.nfs_end_page_writeback.nfs_write_completion.rpc_free_task.rpc_async_release.process_one_work
2.77 ± 10% -0.5 2.28 ± 2% perf-profile.calltrace.cycles-pp.__filemap_fdatawrite_range.filemap_write_and_wait_range.nfs_file_fsync.do_fsync.__x64_sys_fsync
2.77 ± 10% -0.5 2.28 ± 2% perf-profile.calltrace.cycles-pp.nfs_writepages.do_writepages.__filemap_fdatawrite_range.filemap_write_and_wait_range.nfs_file_fsync
2.77 ± 10% -0.5 2.28 ± 2% perf-profile.calltrace.cycles-pp.do_writepages.__filemap_fdatawrite_range.filemap_write_and_wait_range.nfs_file_fsync.do_fsync
2.74 ± 10% -0.5 2.25 ± 2% perf-profile.calltrace.cycles-pp.write_cache_pages.nfs_writepages.do_writepages.__filemap_fdatawrite_range.filemap_write_and_wait_range
3.12 ± 7% -0.5 2.64 ± 4% perf-profile.calltrace.cycles-pp.nfs_write_begin.generic_perform_write.nfs_file_write.__vfs_write.vfs_write
2.93 ± 7% -0.5 2.47 ± 3% perf-profile.calltrace.cycles-pp.grab_cache_page_write_begin.nfs_write_begin.generic_perform_write.nfs_file_write.__vfs_write
3.37 ± 4% -0.5 2.91 ± 4% perf-profile.calltrace.cycles-pp.nfs_write_end.generic_perform_write.nfs_file_write.__vfs_write.vfs_write
2.51 ± 4% -0.4 2.06 ± 7% perf-profile.calltrace.cycles-pp.clear_page_erms.get_page_from_freelist.__alloc_pages_nodemask.brd_insert_page.brd_do_bvec
3.12 ± 5% -0.4 2.68 ± 7% perf-profile.calltrace.cycles-pp.__alloc_pages_nodemask.brd_insert_page.brd_do_bvec.brd_make_request.generic_make_request
2.91 ± 5% -0.4 2.48 ± 3% perf-profile.calltrace.cycles-pp._copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.tcp_recvmsg.inet_recvmsg
3.02 ± 5% -0.4 2.59 ± 7% perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages_nodemask.brd_insert_page.brd_do_bvec.brd_make_request
2.59 ± 4% -0.4 2.18 ± 5% perf-profile.calltrace.cycles-pp.nfs_updatepage.nfs_write_end.generic_perform_write.nfs_file_write.__vfs_write
2.84 ± 7% -0.4 2.43 ± 3% perf-profile.calltrace.cycles-pp.pagecache_get_page.grab_cache_page_write_begin.nfs_write_begin.generic_perform_write.nfs_file_write
3.27 -0.4 2.86 ± 6% perf-profile.calltrace.cycles-pp.iov_iter_copy_from_user_atomic.iomap_write_actor.iomap_apply.iomap_file_buffered_write.xfs_file_buffered_aio_write
3.20 -0.4 2.79 ± 6% perf-profile.calltrace.cycles-pp.memcpy_erms.iov_iter_copy_from_user_atomic.iomap_write_actor.iomap_apply.iomap_file_buffered_write
2.85 ± 5% -0.4 2.44 ± 3% perf-profile.calltrace.cycles-pp.memcpy_erms._copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.tcp_recvmsg
2.50 ± 4% -0.4 2.14 ± 7% perf-profile.calltrace.cycles-pp.iomap_write_begin.iomap_write_actor.iomap_apply.iomap_file_buffered_write.xfs_file_buffered_aio_write
2.41 ± 4% -0.4 2.06 ± 7% perf-profile.calltrace.cycles-pp.grab_cache_page_write_begin.iomap_write_begin.iomap_write_actor.iomap_apply.iomap_file_buffered_write
2.02 ± 11% -0.3 1.67 ± 3% perf-profile.calltrace.cycles-pp.nfs_writepages_callback.write_cache_pages.nfs_writepages.do_writepages.__filemap_fdatawrite_range
0.60 ± 8% -0.3 0.26 ±100% perf-profile.calltrace.cycles-pp.iomap_set_page_dirty.iomap_write_end.iomap_write_actor.iomap_apply.iomap_file_buffered_write
1.96 ± 11% -0.3 1.62 ± 3% perf-profile.calltrace.cycles-pp.nfs_do_writepage.nfs_writepages_callback.write_cache_pages.nfs_writepages.do_writepages
1.55 ± 2% -0.3 1.22 ± 5% perf-profile.calltrace.cycles-pp.iomap_write_end.iomap_write_actor.iomap_apply.iomap_file_buffered_write.xfs_file_buffered_aio_write
2.35 ± 4% -0.3 2.03 ± 7% perf-profile.calltrace.cycles-pp.pagecache_get_page.grab_cache_page_write_begin.iomap_write_begin.iomap_write_actor.iomap_apply
1.60 ± 2% -0.3 1.32 ± 4% perf-profile.calltrace.cycles-pp.__filemap_fdatawait_range.filemap_write_and_wait_range.nfs_file_fsync.do_fsync.__x64_sys_fsync
1.49 ± 6% -0.2 1.24 ± 6% perf-profile.calltrace.cycles-pp._raw_spin_lock.brd_insert_page.brd_do_bvec.brd_make_request.generic_make_request
1.03 ± 6% -0.2 0.80 ± 7% perf-profile.calltrace.cycles-pp.end_page_writeback.nfs_end_page_writeback.nfs_write_completion.rpc_free_task.rpc_async_release
0.97 ± 7% -0.2 0.74 ± 9% perf-profile.calltrace.cycles-pp.test_clear_page_writeback.end_page_writeback.nfs_end_page_writeback.nfs_write_completion.rpc_free_task
1.45 ± 6% -0.2 1.23 ± 4% perf-profile.calltrace.cycles-pp.add_to_page_cache_lru.pagecache_get_page.grab_cache_page_write_begin.nfs_write_begin.generic_perform_write
0.97 ± 4% -0.2 0.77 ± 3% perf-profile.calltrace.cycles-pp.poll_idle.cpuidle_enter_state.do_idle.cpu_startup_entry.start_secondary
1.22 ± 6% -0.2 1.03 ± 6% perf-profile.calltrace.cycles-pp.nfs_commit_release_pages.nfs_commit_release.rpc_free_task.rpc_async_release.process_one_work
1.22 ± 6% -0.2 1.03 ± 5% perf-profile.calltrace.cycles-pp.nfs_commit_release.rpc_free_task.rpc_async_release.process_one_work.worker_thread
1.25 ± 5% -0.2 1.06 ± 8% perf-profile.calltrace.cycles-pp.add_to_page_cache_lru.pagecache_get_page.grab_cache_page_write_begin.iomap_write_begin.iomap_write_actor
1.06 ± 2% -0.2 0.87 ± 4% perf-profile.calltrace.cycles-pp.wait_on_page_bit_common.__filemap_fdatawait_range.filemap_write_and_wait_range.nfs_file_fsync.do_fsync
1.27 ± 5% -0.2 1.11 ± 6% perf-profile.calltrace.cycles-pp.wake_up_page_bit.nfs_end_page_writeback.nfs_write_completion.rpc_free_task.rpc_async_release
0.78 ± 8% -0.2 0.63 ± 6% perf-profile.calltrace.cycles-pp.__set_page_dirty_nobuffers.nfs_updatepage.nfs_write_end.generic_perform_write.nfs_file_write
1.11 ± 7% -0.1 0.99 ± 6% perf-profile.calltrace.cycles-pp.__wake_up_common.wake_up_page_bit.nfs_end_page_writeback.nfs_write_completion.rpc_free_task
0.68 -0.1 0.57 ± 5% perf-profile.calltrace.cycles-pp.nfs_create_request.nfs_updatepage.nfs_write_end.generic_perform_write.nfs_file_write
1.04 ± 7% -0.1 0.93 ± 5% perf-profile.calltrace.cycles-pp.autoremove_wake_function.__wake_up_common.wake_up_page_bit.nfs_end_page_writeback.nfs_write_completion
1.02 ± 8% -0.1 0.92 ± 4% perf-profile.calltrace.cycles-pp.try_to_wake_up.autoremove_wake_function.__wake_up_common.wake_up_page_bit.nfs_end_page_writeback
0.71 ± 2% -0.1 0.60 ± 8% perf-profile.calltrace.cycles-pp.__schedule.schedule.io_schedule.wait_on_page_bit_common.__filemap_fdatawait_range
0.72 ± 2% -0.1 0.61 ± 8% perf-profile.calltrace.cycles-pp.schedule.io_schedule.wait_on_page_bit_common.__filemap_fdatawait_range.filemap_write_and_wait_range
0.72 -0.1 0.62 ± 7% perf-profile.calltrace.cycles-pp.io_schedule.wait_on_page_bit_common.__filemap_fdatawait_range.filemap_write_and_wait_range.nfs_file_fsync
0.93 ± 5% -0.1 0.83 ± 5% perf-profile.calltrace.cycles-pp.__alloc_pages_nodemask.pagecache_get_page.grab_cache_page_write_begin.nfs_write_begin.generic_perform_write
0.73 -0.1 0.67 ± 5% perf-profile.calltrace.cycles-pp.end_page_writeback.xfs_destroy_ioend.process_one_work.worker_thread.kthread
4.86 ± 6% +0.5 5.39 perf-profile.calltrace.cycles-pp.svc_recv.nfsd.kthread.ret_from_fork
0.00 +0.5 0.54 ± 3% perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages_nodemask.svc_recv.nfsd.kthread
0.00 +0.6 0.59 ± 6% perf-profile.calltrace.cycles-pp.ip6_xmit.inet6_csk_xmit.__tcp_transmit_skb.tcp_write_xmit.tcp_sendmsg_locked
0.00 +0.6 0.63 ± 6% perf-profile.calltrace.cycles-pp.inet6_csk_xmit.__tcp_transmit_skb.tcp_write_xmit.tcp_sendmsg_locked.tcp_sendmsg
0.00 +0.7 0.65 ± 4% perf-profile.calltrace.cycles-pp.__alloc_pages_nodemask.svc_recv.nfsd.kthread.ret_from_fork
0.00 +0.7 0.74 ± 8% perf-profile.calltrace.cycles-pp.__tcp_transmit_skb.tcp_write_xmit.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg
0.00 +0.9 0.86 ± 8% perf-profile.calltrace.cycles-pp.tcp_write_xmit.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg.xs_sendpages
9.98 ± 4% +2.5 12.44 ± 4% perf-profile.calltrace.cycles-pp.worker_thread.kthread.ret_from_fork
9.61 ± 4% +2.5 12.15 ± 4% perf-profile.calltrace.cycles-pp.process_one_work.worker_thread.kthread.ret_from_fork
47.02 ± 3% +2.7 49.68 ± 4% perf-profile.calltrace.cycles-pp.secondary_startup_64
0.00 +3.5 3.54 ± 3% perf-profile.calltrace.cycles-pp.memcpy_erms.memcpy_from_page._copy_from_iter_full.tcp_sendmsg_locked.tcp_sendmsg
0.00 +3.6 3.56 ± 3% perf-profile.calltrace.cycles-pp.memcpy_from_page._copy_from_iter_full.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg
0.00 +3.7 3.67 ± 3% perf-profile.calltrace.cycles-pp._copy_from_iter_full.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg.xs_sendpages
2.29 ± 6% +3.8 6.05 ± 3% perf-profile.calltrace.cycles-pp.rpc_async_schedule.process_one_work.worker_thread.kthread.ret_from_fork
2.28 ± 6% +3.8 6.05 ± 3% perf-profile.calltrace.cycles-pp.__rpc_execute.rpc_async_schedule.process_one_work.worker_thread.kthread
1.86 ± 3% +3.8 5.64 ± 4% perf-profile.calltrace.cycles-pp.call_transmit.__rpc_execute.rpc_async_schedule.process_one_work.worker_thread
1.85 ± 3% +3.8 5.64 ± 4% perf-profile.calltrace.cycles-pp.xprt_transmit.call_transmit.__rpc_execute.rpc_async_schedule.process_one_work
1.80 ± 4% +3.8 5.60 ± 4% perf-profile.calltrace.cycles-pp.xs_tcp_send_request.xprt_transmit.call_transmit.__rpc_execute.rpc_async_schedule
1.79 ± 3% +3.8 5.60 ± 4% perf-profile.calltrace.cycles-pp.xs_sendpages.xs_tcp_send_request.xprt_transmit.call_transmit.__rpc_execute
0.00 +5.5 5.47 ± 4% perf-profile.calltrace.cycles-pp.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg.xs_sendpages.xs_tcp_send_request
0.00 +5.6 5.56 ± 4% perf-profile.calltrace.cycles-pp.tcp_sendmsg.sock_sendmsg.xs_sendpages.xs_tcp_send_request.xprt_transmit
0.00 +5.6 5.57 ± 4% perf-profile.calltrace.cycles-pp.sock_sendmsg.xs_sendpages.xs_tcp_send_request.xprt_transmit.call_transmit
20.37 -3.3 17.04 ± 5% perf-profile.children.cycles-pp.svc_process_common
20.38 -3.3 17.04 ± 5% perf-profile.children.cycles-pp.svc_process
20.27 -3.3 16.95 ± 5% perf-profile.children.cycles-pp.nfsd_dispatch
20.21 -3.3 16.91 ± 5% perf-profile.children.cycles-pp.nfsd4_proc_compound
26.02 -3.1 22.91 ± 4% perf-profile.children.cycles-pp.nfsd
15.88 ± 5% -1.9 13.95 ± 3% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
15.87 ± 5% -1.9 13.95 ± 4% perf-profile.children.cycles-pp.do_syscall_64
12.61 ± 3% -1.9 10.73 ± 3% perf-profile.children.cycles-pp.__filemap_fdatawrite_range
12.60 ± 3% -1.9 10.73 ± 3% perf-profile.children.cycles-pp.do_writepages
9.04 ± 2% -1.9 7.18 ± 7% perf-profile.children.cycles-pp.nfsd_vfs_write
9.02 ± 2% -1.9 7.17 ± 7% perf-profile.children.cycles-pp.do_iter_readv_writev
9.02 ± 2% -1.9 7.16 ± 7% perf-profile.children.cycles-pp.xfs_file_buffered_aio_write
9.03 ± 2% -1.9 7.18 ± 7% perf-profile.children.cycles-pp.do_iter_write
9.07 ± 2% -1.9 7.22 ± 7% perf-profile.children.cycles-pp.nfsd4_write
2.21 ± 4% -1.8 0.41 ± 4% perf-profile.children.cycles-pp.inet_sendpage
2.17 ± 4% -1.8 0.40 ± 5% perf-profile.children.cycles-pp.tcp_sendpage
10.50 ± 2% -1.4 9.06 ± 4% perf-profile.children.cycles-pp.xfs_file_fsync
10.51 ± 2% -1.4 9.08 ± 4% perf-profile.children.cycles-pp.nfsd_commit
10.45 ± 2% -1.4 9.02 ± 4% perf-profile.children.cycles-pp.file_write_and_wait_range
9.82 ± 3% -1.4 8.45 ± 3% perf-profile.children.cycles-pp.xfs_vm_writepages
8.59 ± 4% -1.3 7.27 ± 4% perf-profile.children.cycles-pp.write_cache_pages
8.02 ± 4% -1.2 6.87 ± 4% perf-profile.children.cycles-pp.submit_bio
8.02 ± 4% -1.2 6.87 ± 4% perf-profile.children.cycles-pp.generic_make_request
8.00 ± 4% -1.1 6.85 ± 4% perf-profile.children.cycles-pp.brd_make_request
7.94 ± 4% -1.1 6.79 ± 4% perf-profile.children.cycles-pp.brd_do_bvec
10.63 ± 5% -1.1 9.49 ± 4% perf-profile.children.cycles-pp.write
7.55 -1.1 6.41 ± 5% perf-profile.children.cycles-pp.iomap_apply
7.54 -1.1 6.41 ± 6% perf-profile.children.cycles-pp.iomap_file_buffered_write
10.28 ± 5% -1.1 9.16 ± 4% perf-profile.children.cycles-pp.ksys_write
7.50 -1.1 6.37 ± 6% perf-profile.children.cycles-pp.iomap_write_actor
4.68 ± 5% -1.1 3.56 ± 2% perf-profile.children.cycles-pp.inet_recvmsg
4.68 ± 5% -1.1 3.56 ± 2% perf-profile.children.cycles-pp.tcp_recvmsg
10.24 ± 5% -1.1 9.12 ± 4% perf-profile.children.cycles-pp.vfs_write
10.08 ± 5% -1.1 8.98 ± 4% perf-profile.children.cycles-pp.__vfs_write
10.05 ± 5% -1.1 8.95 ± 4% perf-profile.children.cycles-pp.nfs_file_write
5.51 ± 5% -1.1 4.43 ± 5% perf-profile.children.cycles-pp.rpc_free_task
9.82 ± 5% -1.1 8.74 ± 4% perf-profile.children.cycles-pp.generic_perform_write
1.39 ± 5% -1.1 0.32 ± 4% perf-profile.children.cycles-pp.tcp_sendpage_locked
1.36 ± 5% -1.1 0.31 ± 5% perf-profile.children.cycles-pp.do_tcp_sendpages
5.31 ± 5% -1.0 4.27 ± 5% perf-profile.children.cycles-pp.rpc_async_release
4.39 ± 6% -1.0 3.40 ± 2% perf-profile.children.cycles-pp.svc_recvfrom
3.55 ± 5% -0.9 2.64 ± 2% perf-profile.children.cycles-pp.__skb_datagram_iter
3.55 ± 5% -0.9 2.64 ± 2% perf-profile.children.cycles-pp.skb_copy_datagram_iter
5.01 ± 6% -0.9 4.15 ± 3% perf-profile.children.cycles-pp.fsync
4.09 ± 7% -0.9 3.24 ± 5% perf-profile.children.cycles-pp.nfs_write_completion
4.90 ± 6% -0.8 4.05 ± 3% perf-profile.children.cycles-pp.__x64_sys_fsync
4.91 ± 6% -0.8 4.07 ± 3% perf-profile.children.cycles-pp.nfs_file_fsync
4.90 ± 6% -0.8 4.05 ± 3% perf-profile.children.cycles-pp.do_fsync
5.36 ± 4% -0.8 4.53 ± 5% perf-profile.children.cycles-pp.grab_cache_page_write_begin
4.39 ± 7% -0.8 3.60 ± 2% perf-profile.children.cycles-pp.filemap_write_and_wait_range
5.18 ± 2% -0.8 4.40 ± 5% perf-profile.children.cycles-pp.xfs_do_writepage
5.21 ± 4% -0.7 4.47 ± 5% perf-profile.children.cycles-pp.pagecache_get_page
4.90 ± 4% -0.7 4.19 ± 5% perf-profile.children.cycles-pp.brd_insert_page
1.38 ± 9% -0.7 0.68 ± 22% perf-profile.children.cycles-pp.xfs_ilock
1.41 ± 8% -0.7 0.71 ± 22% perf-profile.children.cycles-pp.call_rwsem_down_write_failed
1.41 ± 8% -0.7 0.71 ± 22% perf-profile.children.cycles-pp.rwsem_down_write_failed
1.44 ± 7% -0.7 0.74 ± 21% perf-profile.children.cycles-pp.down_write
4.12 ± 3% -0.6 3.52 ± 4% perf-profile.children.cycles-pp.xfs_add_to_ioend
1.18 ± 6% -0.6 0.61 ± 21% perf-profile.children.cycles-pp.rwsem_spin_on_owner
3.98 ± 5% -0.5 3.44 ± 4% perf-profile.children.cycles-pp.xfs_submit_ioend
6.25 -0.5 5.72 ± 4% perf-profile.children.cycles-pp.iov_iter_copy_from_user_atomic
2.89 ± 6% -0.5 2.38 ± 6% perf-profile.children.cycles-pp.nfs_end_page_writeback
2.78 ± 10% -0.5 2.29 ± 2% perf-profile.children.cycles-pp.nfs_writepages
3.12 ± 7% -0.5 2.64 ± 4% perf-profile.children.cycles-pp.nfs_write_begin
3.37 ± 4% -0.5 2.91 ± 4% perf-profile.children.cycles-pp.nfs_write_end
2.54 ± 4% -0.5 2.08 ± 7% perf-profile.children.cycles-pp.clear_page_erms
2.92 ± 5% -0.4 2.48 ± 3% perf-profile.children.cycles-pp._copy_to_iter
2.60 ± 4% -0.4 2.18 ± 5% perf-profile.children.cycles-pp.nfs_updatepage
2.71 ± 4% -0.4 2.29 ± 6% perf-profile.children.cycles-pp.add_to_page_cache_lru
0.75 ± 3% -0.4 0.37 ± 6% perf-profile.children.cycles-pp.release_sock
2.51 ± 4% -0.4 2.15 ± 7% perf-profile.children.cycles-pp.iomap_write_begin
2.02 ± 10% -0.3 1.67 ± 3% perf-profile.children.cycles-pp.nfs_writepages_callback
2.23 ± 2% -0.3 1.89 ± 4% perf-profile.children.cycles-pp.__filemap_fdatawait_range
0.82 ± 7% -0.3 0.47 ± 7% perf-profile.children.cycles-pp.__tcp_push_pending_frames
1.96 ± 11% -0.3 1.63 ± 3% perf-profile.children.cycles-pp.nfs_do_writepage
1.55 ± 2% -0.3 1.22 ± 5% perf-profile.children.cycles-pp.iomap_write_end
0.78 ± 7% -0.3 0.48 ± 6% perf-profile.children.cycles-pp.svc_send
1.78 ± 3% -0.3 1.48 ± 4% perf-profile.children.cycles-pp.end_page_writeback
1.73 ± 3% -0.3 1.45 ± 4% perf-profile.children.cycles-pp.test_clear_page_writeback
0.90 ± 5% -0.3 0.63 ± 8% perf-profile.children.cycles-pp.xas_load
0.35 ± 14% -0.2 0.10 ± 14% perf-profile.children.cycles-pp.simple_copy_to_iter
1.78 ± 4% -0.2 1.54 ± 7% perf-profile.children.cycles-pp.__wake_up_common
0.43 ± 6% -0.2 0.19 ± 7% perf-profile.children.cycles-pp.lock_sock_nested
1.41 ± 5% -0.2 1.18 ± 4% perf-profile.children.cycles-pp.nfs_commit_release
1.41 ± 5% -0.2 1.18 ± 4% perf-profile.children.cycles-pp.nfs_commit_release_pages
1.95 ± 4% -0.2 1.72 ± 5% perf-profile.children.cycles-pp.try_to_wake_up
0.64 ± 8% -0.2 0.41 ± 4% perf-profile.children.cycles-pp.svc_tcp_sendto
0.63 ± 8% -0.2 0.41 ± 5% perf-profile.children.cycles-pp.svc_sendto
0.62 ± 8% -0.2 0.41 ± 5% perf-profile.children.cycles-pp.svc_send_common
0.62 ± 8% -0.2 0.41 ± 5% perf-profile.children.cycles-pp.kernel_sendpage
1.65 ± 5% -0.2 1.44 ± 7% perf-profile.children.cycles-pp.autoremove_wake_function
1.34 ± 3% -0.2 1.14 ± 3% perf-profile.children.cycles-pp.wait_on_page_bit_common
0.98 ± 4% -0.2 0.79 ± 2% perf-profile.children.cycles-pp.poll_idle
0.26 ± 8% -0.2 0.08 ± 13% perf-profile.children.cycles-pp._raw_spin_lock_bh
1.59 ± 5% -0.2 1.42 ± 5% perf-profile.children.cycles-pp.schedule
0.79 ± 5% -0.2 0.62 ± 4% perf-profile.children.cycles-pp.tcp_v6_do_rcv
0.64 ± 5% -0.2 0.47 ± 8% perf-profile.children.cycles-pp.tcp_v6_rcv
0.34 ± 12% -0.2 0.18 ± 20% perf-profile.children.cycles-pp.xas_start
0.24 ± 26% -0.2 0.08 ± 40% perf-profile.children.cycles-pp.osq_lock
0.76 ± 5% -0.2 0.61 ± 5% perf-profile.children.cycles-pp.tcp_rcv_established
0.49 ± 26% -0.2 0.34 ± 14% perf-profile.children.cycles-pp.nfs_request_add_commit_list
0.66 ± 5% -0.1 0.52 ± 8% perf-profile.children.cycles-pp.ip6_input
0.66 ± 4% -0.1 0.51 ± 8% perf-profile.children.cycles-pp.ip6_input_finish
0.65 ± 4% -0.1 0.51 ± 9% perf-profile.children.cycles-pp.ip6_protocol_deliver_rcu
0.79 ± 8% -0.1 0.64 ± 7% perf-profile.children.cycles-pp.__set_page_dirty_nobuffers
0.83 ± 6% -0.1 0.69 ± 8% perf-profile.children.cycles-pp.__nfs_commit_inode
0.42 ± 4% -0.1 0.29 ± 5% perf-profile.children.cycles-pp.xs_stream_data_receive_workfn
0.42 ± 4% -0.1 0.29 ± 5% perf-profile.children.cycles-pp.xs_stream_data_receive
0.70 ± 4% -0.1 0.56 ± 6% perf-profile.children.cycles-pp.percpu_counter_add_batch
0.71 ± 4% -0.1 0.58 ± 8% perf-profile.children.cycles-pp.ipv6_rcv
0.86 ± 6% -0.1 0.73 ± 6% perf-profile.children.cycles-pp.__local_bh_enable_ip
0.78 ± 5% -0.1 0.65 ± 8% perf-profile.children.cycles-pp.process_backlog
0.45 ± 14% -0.1 0.32 ± 14% perf-profile.children.cycles-pp.__mutex_lock
1.06 ± 4% -0.1 0.93 ± 7% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
0.86 ± 6% -0.1 0.73 ± 9% perf-profile.children.cycles-pp.pagevec_lru_move_fn
0.75 ± 5% -0.1 0.63 ± 8% perf-profile.children.cycles-pp.__netif_receive_skb_one_core
0.61 ± 8% -0.1 0.49 ± 9% perf-profile.children.cycles-pp.iomap_set_page_dirty
0.94 ± 5% -0.1 0.81 ± 8% perf-profile.children.cycles-pp.__lru_cache_add
0.82 ± 6% -0.1 0.70 ± 2% perf-profile.children.cycles-pp.clear_page_dirty_for_io
0.80 ± 6% -0.1 0.68 ± 7% perf-profile.children.cycles-pp.net_rx_action
0.94 ± 2% -0.1 0.82 ± 3% perf-profile.children.cycles-pp.io_schedule
0.81 ± 7% -0.1 0.70 ± 7% perf-profile.children.cycles-pp.do_softirq_own_stack
0.69 -0.1 0.58 ± 5% perf-profile.children.cycles-pp.nfs_create_request
0.62 ± 4% -0.1 0.51 ± 5% perf-profile.children.cycles-pp.__pagevec_lru_add_fn
0.32 ± 4% -0.1 0.21 ± 11% perf-profile.children.cycles-pp.xs_sock_recvmsg
0.49 ± 12% -0.1 0.38 ± 7% perf-profile.children.cycles-pp.sched_ttwu_pending
0.82 ± 6% -0.1 0.72 ± 7% perf-profile.children.cycles-pp.do_softirq
0.32 ± 10% -0.1 0.22 ± 7% perf-profile.children.cycles-pp.xfs_map_blocks
0.40 ± 13% -0.1 0.30 ± 12% perf-profile.children.cycles-pp.mutex_spin_on_owner
0.47 ± 2% -0.1 0.38 ± 5% perf-profile.children.cycles-pp.kmem_cache_alloc
0.26 ± 4% -0.1 0.17 ± 8% perf-profile.children.cycles-pp.__wake_up_common_lock
0.52 ± 6% -0.1 0.43 ± 4% perf-profile.children.cycles-pp.account_page_dirtied
0.22 ± 16% -0.1 0.13 ± 9% perf-profile.children.cycles-pp.__check_object_size
0.50 ± 8% -0.1 0.42 ± 7% perf-profile.children.cycles-pp.iomap_set_range_uptodate
0.41 ± 3% -0.1 0.33 ± 14% perf-profile.children.cycles-pp.__set_page_dirty
0.31 ± 11% -0.1 0.24 ± 11% perf-profile.children.cycles-pp.nfs_io_completion_release
0.41 ± 8% -0.1 0.33 ± 7% perf-profile.children.cycles-pp.nfs_inode_remove_request
0.25 ± 9% -0.1 0.18 ± 8% perf-profile.children.cycles-pp.xfs_iomap_write_allocate
0.33 ± 8% -0.1 0.26 ± 4% perf-profile.children.cycles-pp.___might_sleep
0.25 ± 5% -0.1 0.18 ± 15% perf-profile.children.cycles-pp.__xa_set_mark
0.31 ± 9% -0.1 0.24 ± 5% perf-profile.children.cycles-pp.nfs_scan_commit_list
0.25 ± 5% -0.1 0.18 ± 8% perf-profile.children.cycles-pp.__x86_indirect_thunk_rax
0.45 ± 6% -0.1 0.39 ± 4% perf-profile.children.cycles-pp.nfs_lock_and_join_requests
0.50 ± 4% -0.1 0.45 ± 5% perf-profile.children.cycles-pp.nfs_page_group_destroy
0.19 ± 11% -0.1 0.14 ± 8% perf-profile.children.cycles-pp.xfs_bmap_btalloc
0.21 ± 2% -0.1 0.15 ± 14% perf-profile.children.cycles-pp.__lock_sock
0.17 ± 8% -0.1 0.12 ± 7% perf-profile.children.cycles-pp.xfs_alloc_ag_vextent
0.18 ± 9% -0.1 0.13 ± 6% perf-profile.children.cycles-pp.xfs_alloc_vextent
0.20 ± 12% -0.1 0.15 ± 5% perf-profile.children.cycles-pp.xfs_bmapi_write
0.30 ± 9% -0.0 0.25 ± 5% perf-profile.children.cycles-pp.select_task_rq_fair
0.16 ± 8% -0.0 0.11 ± 7% perf-profile.children.cycles-pp.xfs_alloc_ag_vextent_near
0.16 ± 15% -0.0 0.12 ± 17% perf-profile.children.cycles-pp.__generic_write_end
0.48 ± 2% -0.0 0.44 ± 7% perf-profile.children.cycles-pp.dequeue_task_fair
0.31 ± 2% -0.0 0.27 ± 10% perf-profile.children.cycles-pp.release_pages
0.20 ± 4% -0.0 0.17 ± 10% perf-profile.children.cycles-pp.nfs_initiate_commit
0.17 ± 10% -0.0 0.13 ± 5% perf-profile.children.cycles-pp.__might_sleep
0.29 ± 6% -0.0 0.26 ± 4% perf-profile.children.cycles-pp.dec_zone_page_state
0.23 ± 7% -0.0 0.20 ± 7% perf-profile.children.cycles-pp.__pagevec_release
0.19 ± 9% -0.0 0.15 ± 9% perf-profile.children.cycles-pp.nfs_get_lock_context
0.17 ± 13% -0.0 0.13 ± 8% perf-profile.children.cycles-pp.check_preempt_curr
0.09 ± 17% -0.0 0.06 ± 20% perf-profile.children.cycles-pp.memset_erms
0.14 ± 8% -0.0 0.11 ± 6% perf-profile.children.cycles-pp.nfs_request_remove_commit_list
0.07 ± 10% -0.0 0.04 ± 58% perf-profile.children.cycles-pp.xfs_defer_finish_noroll
0.15 ± 5% -0.0 0.12 ± 6% perf-profile.children.cycles-pp.__nfs_find_lock_context
0.19 ± 4% -0.0 0.16 ± 11% perf-profile.children.cycles-pp.mem_cgroup_try_charge
0.17 ± 8% -0.0 0.15 ± 10% perf-profile.children.cycles-pp.vfs_create
0.16 ± 2% -0.0 0.14 ± 8% perf-profile.children.cycles-pp.__fprop_inc_percpu_max
0.16 ± 8% -0.0 0.13 ± 8% perf-profile.children.cycles-pp.xfs_create
0.10 ± 4% -0.0 0.07 ± 17% perf-profile.children.cycles-pp.xfs_file_aio_write_checks
0.11 ± 10% -0.0 0.08 ± 15% perf-profile.children.cycles-pp.nfs_pageio_doio
0.11 ± 10% -0.0 0.08 ± 15% perf-profile.children.cycles-pp.nfs_generic_pg_pgios
0.19 ± 4% -0.0 0.17 ± 7% perf-profile.children.cycles-pp.update_rq_clock
0.15 ± 4% -0.0 0.13 ± 5% perf-profile.children.cycles-pp.__xfs_trans_commit
0.08 ± 15% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.get_mem_cgroup_from_mm
0.06 ± 15% +0.0 0.07 ± 14% perf-profile.children.cycles-pp.selinux_ip_postroute
0.08 ± 16% +0.0 0.10 ± 10% perf-profile.children.cycles-pp.nf_hook_slow
0.04 ± 60% +0.0 0.08 ± 19% perf-profile.children.cycles-pp.__inc_numa_state
0.03 ±100% +0.0 0.07 ± 12% perf-profile.children.cycles-pp.get_task_policy
0.41 ± 6% +0.0 0.46 perf-profile.children.cycles-pp.__release_sock
0.14 ± 11% +0.1 0.19 ± 8% perf-profile.children.cycles-pp.__list_add_valid
0.09 ± 17% +0.1 0.14 ± 10% perf-profile.children.cycles-pp.svc_xprt_do_enqueue
0.14 ± 10% +0.1 0.20 ± 2% perf-profile.children.cycles-pp.tcp_clean_rtx_queue
0.00 +0.1 0.06 ± 11% perf-profile.children.cycles-pp.free_unref_page_commit
0.10 ± 11% +0.1 0.17 ± 6% perf-profile.children.cycles-pp.iov_iter_advance
0.17 ± 9% +0.1 0.24 ± 2% perf-profile.children.cycles-pp.tcp_ack
0.11 ± 21% +0.1 0.18 ± 2% perf-profile.children.cycles-pp.schedule_timeout
0.00 +0.1 0.08 ± 17% perf-profile.children.cycles-pp.free_one_page
0.23 ± 12% +0.1 0.32 ± 4% perf-profile.children.cycles-pp.__kfree_skb
0.10 ± 4% +0.1 0.19 ± 6% perf-profile.children.cycles-pp.xas_create
0.12 ± 17% +0.1 0.24 ± 4% perf-profile.children.cycles-pp.skb_release_data
0.00 +0.1 0.14 ± 5% perf-profile.children.cycles-pp.__free_pages_ok
0.00 +0.2 0.21 ± 9% perf-profile.children.cycles-pp.skb_page_frag_refill
0.00 +0.2 0.22 ± 9% perf-profile.children.cycles-pp.sk_page_frag_refill
0.00 +0.2 0.25 ± 5% perf-profile.children.cycles-pp.__sk_flush_backlog
0.03 ±100% +0.4 0.39 ± 7% perf-profile.children.cycles-pp.free_pcppages_bulk
0.07 ± 29% +0.5 0.54 ± 6% perf-profile.children.cycles-pp.free_unref_page
4.86 ± 6% +0.5 5.40 ± 2% perf-profile.children.cycles-pp.svc_recv
9.98 ± 4% +2.5 12.44 ± 4% perf-profile.children.cycles-pp.worker_thread
9.61 ± 4% +2.5 12.15 ± 4% perf-profile.children.cycles-pp.process_one_work
47.02 ± 3% +2.7 49.68 ± 4% perf-profile.children.cycles-pp.secondary_startup_64
47.02 ± 3% +2.7 49.68 ± 4% perf-profile.children.cycles-pp.cpu_startup_entry
47.02 ± 3% +2.7 49.69 ± 4% perf-profile.children.cycles-pp.do_idle
6.12 ± 2% +2.8 8.88 ± 3% perf-profile.children.cycles-pp.memcpy_erms
0.00 +3.6 3.58 ± 3% perf-profile.children.cycles-pp.memcpy_from_page
0.00 +3.7 3.68 ± 3% perf-profile.children.cycles-pp._copy_from_iter_full
2.43 ± 6% +3.8 6.20 ± 3% perf-profile.children.cycles-pp.__rpc_execute
2.29 ± 6% +3.8 6.05 ± 3% perf-profile.children.cycles-pp.rpc_async_schedule
1.93 ± 3% +3.8 5.71 ± 4% perf-profile.children.cycles-pp.call_transmit
1.92 ± 4% +3.8 5.71 ± 4% perf-profile.children.cycles-pp.xprt_transmit
1.87 ± 4% +3.8 5.67 ± 4% perf-profile.children.cycles-pp.xs_tcp_send_request
1.86 ± 4% +3.8 5.67 ± 4% perf-profile.children.cycles-pp.xs_sendpages
0.21 ± 7% +5.3 5.54 ± 4% perf-profile.children.cycles-pp.tcp_sendmsg_locked
0.24 ± 8% +5.4 5.63 ± 4% perf-profile.children.cycles-pp.tcp_sendmsg
0.25 ± 9% +5.4 5.64 ± 4% perf-profile.children.cycles-pp.sock_sendmsg
1.17 ± 7% -0.6 0.61 ± 21% perf-profile.self.cycles-pp.rwsem_spin_on_owner
2.50 ± 4% -0.5 2.05 ± 7% perf-profile.self.cycles-pp.clear_page_erms
2.46 ± 4% -0.4 2.06 ± 5% perf-profile.self.cycles-pp.brd_do_bvec
0.22 ± 10% -0.2 0.03 ±100% perf-profile.self.cycles-pp.__skb_datagram_iter
1.53 ± 6% -0.2 1.34 ± 3% perf-profile.self.cycles-pp._raw_spin_lock
0.91 ± 4% -0.2 0.74 ± 2% perf-profile.self.cycles-pp.poll_idle
0.24 ± 25% -0.2 0.08 ± 40% perf-profile.self.cycles-pp.osq_lock
0.74 ± 14% -0.2 0.59 ± 10% perf-profile.self.cycles-pp.nfs_do_writepage
0.32 ± 13% -0.1 0.17 ± 18% perf-profile.self.cycles-pp.xas_start
0.97 ± 3% -0.1 0.84 ± 8% perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.57 ± 6% -0.1 0.45 ± 9% perf-profile.self.cycles-pp.xas_load
0.55 ± 10% -0.1 0.43 ± 7% perf-profile.self.cycles-pp.__schedule
0.14 ± 12% -0.1 0.03 ±100% perf-profile.self.cycles-pp._raw_spin_lock_bh
0.53 ± 8% -0.1 0.43 ± 9% perf-profile.self.cycles-pp.percpu_counter_add_batch
0.40 ± 13% -0.1 0.30 ± 12% perf-profile.self.cycles-pp.mutex_spin_on_owner
0.33 ± 8% -0.1 0.24 ± 12% perf-profile.self.cycles-pp.nfs_end_page_writeback
0.74 ± 6% -0.1 0.65 ± 8% perf-profile.self.cycles-pp.nfs_updatepage
0.40 ± 8% -0.1 0.31 ± 11% perf-profile.self.cycles-pp.__test_set_page_writeback
0.50 ± 8% -0.1 0.41 ± 7% perf-profile.self.cycles-pp.iomap_set_range_uptodate
0.56 ± 5% -0.1 0.48 ± 8% perf-profile.self.cycles-pp.try_to_wake_up
0.38 ± 8% -0.1 0.30 ± 5% perf-profile.self.cycles-pp._raw_spin_unlock_irqrestore
0.28 ± 9% -0.1 0.20 ± 6% perf-profile.self.cycles-pp.iomap_write_end
0.45 ± 7% -0.1 0.38 ± 6% perf-profile.self.cycles-pp.__pagevec_lru_add_fn
0.15 ± 14% -0.1 0.08 ± 27% perf-profile.self.cycles-pp.add_to_page_cache_lru
0.43 ± 6% -0.1 0.36 perf-profile.self.cycles-pp.clear_page_dirty_for_io
0.51 ± 8% -0.1 0.45 ± 7% perf-profile.self.cycles-pp.test_clear_page_writeback
0.20 ± 9% -0.1 0.14 ± 11% perf-profile.self.cycles-pp.xas_store
0.31 ± 8% -0.1 0.25 ± 4% perf-profile.self.cycles-pp.___might_sleep
0.15 ± 20% -0.1 0.09 ± 12% perf-profile.self.cycles-pp.__check_object_size
0.22 ± 6% -0.1 0.17 ± 10% perf-profile.self.cycles-pp.__x86_indirect_thunk_rax
0.08 ± 11% -0.0 0.03 ±100% perf-profile.self.cycles-pp.switch_mm_irqs_off
0.28 ± 4% -0.0 0.24 ± 10% perf-profile.self.cycles-pp.release_pages
0.27 ± 8% -0.0 0.23 ± 2% perf-profile.self.cycles-pp.dec_zone_page_state
0.19 ± 6% -0.0 0.15 ± 12% perf-profile.self.cycles-pp.kmem_cache_alloc
0.15 ± 10% -0.0 0.11 ± 7% perf-profile.self.cycles-pp.__might_sleep
0.25 ± 10% -0.0 0.21 ± 6% perf-profile.self.cycles-pp.wait_on_page_bit_common
0.07 ± 12% -0.0 0.03 ±100% perf-profile.self.cycles-pp.___slab_alloc
0.23 ± 7% -0.0 0.20 ± 10% perf-profile.self.cycles-pp._raw_spin_lock_irq
0.18 ± 5% -0.0 0.15 ± 2% perf-profile.self.cycles-pp.select_task_rq_fair
0.14 ± 5% -0.0 0.11 ± 17% perf-profile.self.cycles-pp.alloc_pages_current
0.09 ± 16% -0.0 0.06 ± 20% perf-profile.self.cycles-pp.memset_erms
0.10 ± 8% -0.0 0.07 perf-profile.self.cycles-pp._cond_resched
0.15 ± 4% -0.0 0.12 ± 6% perf-profile.self.cycles-pp.__nfs_find_lock_context
0.11 ± 13% -0.0 0.09 ± 14% perf-profile.self.cycles-pp.nfs_request_add_commit_list_locked
0.09 ± 4% -0.0 0.07 perf-profile.self.cycles-pp.nfs_request_remove_commit_list
0.08 ± 10% -0.0 0.06 ± 11% perf-profile.self.cycles-pp.get_mem_cgroup_from_mm
0.08 ± 10% -0.0 0.06 ± 11% perf-profile.self.cycles-pp.nfs_request_add_commit_list
0.10 ± 5% -0.0 0.08 ± 5% perf-profile.self.cycles-pp.___perf_sw_event
0.08 ± 13% +0.0 0.11 ± 10% perf-profile.self.cycles-pp.mem_cgroup_commit_charge
0.03 ±100% +0.0 0.07 ± 12% perf-profile.self.cycles-pp.run_timer_softirq
0.03 ±100% +0.0 0.07 ± 12% perf-profile.self.cycles-pp.get_task_policy
0.03 ±100% +0.0 0.07 ± 17% perf-profile.self.cycles-pp.__inc_numa_state
0.03 ±102% +0.1 0.08 ± 8% perf-profile.self.cycles-pp.svc_recv
0.11 ± 13% +0.1 0.17 ± 12% perf-profile.self.cycles-pp.__list_add_valid
0.09 ± 14% +0.1 0.16 ± 9% perf-profile.self.cycles-pp.iov_iter_advance
0.06 ± 13% +0.1 0.15 ± 8% perf-profile.self.cycles-pp.xas_create
0.00 +0.1 0.15 ± 14% perf-profile.self.cycles-pp.tcp_sendmsg_locked
0.00 +0.2 0.20 ± 11% perf-profile.self.cycles-pp.free_pcppages_bulk
0.04 ± 60% +0.2 0.28 ± 7% perf-profile.self.cycles-pp.svc_tcp_recvfrom
1.25 +0.3 1.52 ± 5% perf-profile.self.cycles-pp.get_page_from_freelist
6.04 ± 2% +2.7 8.74 ± 3% perf-profile.self.cycles-pp.memcpy_erms


fsmark.time.percent_of_cpu_this_job_got
320 +-+-------------------------------------------------------------------+
| |
300 +-++. + |
|. +.. .+. +.. +.. +. .. + .+.|
280 +-+ +.+. +.. : + .+..+. .+. .+. .+.+.. .. + +. |
| : + + +. +. +. .+ |
260 +-+ + + |
| |
240 +-+ |
| |
220 +-+ |
| O O O O O O O |
200 O-+ O O O O O O O O |
| O O O O O O O O O O |
180 +-+-------------------------------------------------------------------+
fsmark.time.elapsed_time
32 +-+O-------------------------------------------------------------------+
O O O O O O O O O O O O |
31 +-+ O O O O O O O O O O O O |
30 +-+ O |
| |
29 +-+ |
28 +-+ |
| |
27 +-+ |
26 +-+ .+ |
| + + +.+.. .+. + .+. .+. |
25 +-+ .. + .+ + : +..+.+..+. .. + +. +. +..|
24 +-+ .+.+..+.+ +. + + : .. + |
| +.+. + + |
23 +-+--------------------------------------------------------------------+
fsmark.time.elapsed_time.max
32 +-+O-------------------------------------------------------------------+
O O O O O O O O O O O O |
31 +-+ O O O O O O O O O O O O |
30 +-+ O |
| |
29 +-+ |
28 +-+ |
| |
27 +-+ |
26 +-+ .+ |
| + + +.+.. .+. + .+. .+. |
25 +-+ .. + .+ + : +..+.+..+. .. + +. +. +..|
24 +-+ .+.+..+.+ +. + + : .. + |
| +.+. + + |
23 +-+--------------------------------------------------------------------+
fsmark.files_per_sec
520 +-+-------------------------------------------------------------------+
|.. +.+. + +.. .+.. : .+. .+.. .+.+..+ |
500 +-+ +.. + + : +.+..+.+. +..+ .+.+. |
480 +-+ + + +.+. |
| |
460 +-+ |
| |
440 +-+ |
| |
420 +-+ |
400 +-+ O |
| O O O O O O O O O |
380 O-+ O O O O O O O O O |
| O O O O O O |
360 +-+-------------------------------------------------------------------+
[*] 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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Do you have time to take a look at this regression?

--
Zhengjun Xing