| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20200814005353.GI7488@shao2-debian>
Date: Fri, 14 Aug 2020 08:53:53 +0800
From: kernel test robot <rong.a.chen@...el.com>
To: Jens Axboe <axboe@...nel.dk>
Cc: Al Viro <viro@...iv.linux.org.uk>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org
Subject: [eventfd] 12aceb89b0: will-it-scale.per_thread_ops -4.9% regression
Greeting,
FYI, we noticed a -4.9% regression of will-it-scale.per_thread_ops due to commit:
commit: 12aceb89b0bce19eb89735f9de7a9983e4f0adae ("eventfd: convert to f_op->read_iter()")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: will-it-scale
on test machine: 192 threads Intel(R) Xeon(R) Platinum 9242 CPU @ 2.30GHz with 192G memory
with following parameters:
nr_task: 16
mode: thread
test: eventfd1
cpufreq_governor: performance
ucode: 0x5002f01
test-description: Will It Scale takes a testcase and runs it from 1 through to n parallel copies to see if the testcase will scale. It builds both a process and threads based test in order to see any differences between the two.
test-url: https://github.com/antonblanchard/will-it-scale
In addition to that, the commit also has significant impact on the following tests:
+------------------+---------------------------------------------------------------------------+
| testcase: change | will-it-scale: will-it-scale.per_process_ops -3.1% regression |
| test machine | 192 threads Intel(R) Xeon(R) Platinum 9242 CPU @ 2.30GHz with 192G memory |
| test parameters | cpufreq_governor=performance |
| | mode=process |
| | nr_task=100% |
| | test=eventfd1 |
| | ucode=0x2006906 |
+------------------+---------------------------------------------------------------------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@...el.com>
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase/ucode:
gcc-9/performance/x86_64-rhel-8.3/thread/16/debian-10.4-x86_64-20200603.cgz/lkp-csl-2ap2/eventfd1/will-it-scale/0x5002f01
commit:
v5.7-rc1
12aceb89b0 ("eventfd: convert to f_op->read_iter()")
v5.7-rc1 12aceb89b0bce19eb89735f9de7
---------------- ---------------------------
%stddev %change %stddev
\ | \
2643543 -4.9% 2513964 will-it-scale.per_thread_ops
42296699 -4.9% 40223447 will-it-scale.workload
3.50 ± 14% +58250.0% 2042 meminfo.Active(file)
3.878e+08 ±136% -99.8% 691264 ± 25% cpuidle.C1.time
3295968 ±150% -99.3% 21481 ± 7% cpuidle.C1.usage
0.50 ±100% +1e+05% 510.25 proc-vmstat.nr_active_file
286480 +1.1% 289671 proc-vmstat.nr_file_pages
67.00 +229.1% 220.50 proc-vmstat.nr_inactive_file
25892 +1.2% 26192 proc-vmstat.nr_kernel_stack
0.50 ±100% +1e+05% 510.25 proc-vmstat.nr_zone_active_file
67.00 +229.1% 220.50 proc-vmstat.nr_zone_inactive_file
12833 ± 7% +27.6% 16380 ± 12% sched_debug.cfs_rq:/.load.avg
20081 ± 2% +26.4% 25384 ± 21% sched_debug.cfs_rq:/.load.stddev
14.69 ± 7% +26.1% 18.52 ± 13% sched_debug.cfs_rq:/.load_avg.avg
0.22 ± 7% +24.9% 0.28 ± 12% sched_debug.cfs_rq:/.nr_running.avg
0.36 ± 3% +9.1% 0.39 ± 5% sched_debug.cfs_rq:/.nr_running.stddev
264.38 ± 6% +20.3% 317.93 ± 9% sched_debug.cfs_rq:/.runnable_avg.avg
226.43 ± 6% +23.5% 279.72 ± 11% sched_debug.cfs_rq:/.util_avg.avg
355.64 ± 2% +9.1% 388.01 ± 5% sched_debug.cfs_rq:/.util_avg.stddev
3153 ± 9% -9.8% 2845 ± 3% slabinfo.PING.active_objs
3153 ± 9% -9.8% 2845 ± 3% slabinfo.PING.num_objs
803.25 ± 5% +25.4% 1007 ± 9% slabinfo.mnt_cache.active_objs
803.25 ± 5% +25.4% 1007 ± 9% slabinfo.mnt_cache.num_objs
248.00 +137.5% 589.00 ± 9% slabinfo.numa_policy.active_objs
248.00 +137.5% 589.00 ± 9% slabinfo.numa_policy.num_objs
5774 ± 7% -7.5% 5339 ± 3% slabinfo.sock_inode_cache.active_objs
5774 ± 7% -7.5% 5339 ± 3% slabinfo.sock_inode_cache.num_objs
1293 ± 3% -12.6% 1130 ± 4% slabinfo.task_group.active_objs
1293 ± 3% -12.6% 1130 ± 4% slabinfo.task_group.num_objs
12747 ± 34% +127.4% 28983 ± 19% numa-vmstat.node0.nr_active_anon
12609 ± 34% +129.8% 28971 ± 19% numa-vmstat.node0.nr_anon_pages
0.00 +1.1e+104% 108.75 ± 71% numa-vmstat.node0.nr_inactive_file
138.25 ± 33% +90.2% 263.00 ± 7% numa-vmstat.node0.nr_page_table_pages
6730 ± 10% +37.4% 9248 ± 24% numa-vmstat.node0.nr_slab_reclaimable
21494 ± 10% +23.2% 26480 ± 6% numa-vmstat.node0.nr_slab_unreclaimable
12747 ± 34% +127.4% 28983 ± 19% numa-vmstat.node0.nr_zone_active_anon
0.00 +1.1e+104% 108.75 ± 71% numa-vmstat.node0.nr_zone_inactive_file
29815 ± 40% -76.5% 6993 ± 92% numa-vmstat.node2.nr_active_anon
29587 ± 40% -77.0% 6796 ± 95% numa-vmstat.node2.nr_anon_pages
295.50 ± 18% -47.6% 154.75 ± 57% numa-vmstat.node2.nr_page_table_pages
23534 ± 11% -18.5% 19171 ± 9% numa-vmstat.node2.nr_slab_unreclaimable
29815 ± 40% -76.5% 6993 ± 92% numa-vmstat.node2.nr_zone_active_anon
50993 ± 34% +129.3% 116952 ± 19% numa-meminfo.node0.Active
50993 ± 34% +127.3% 115930 ± 19% numa-meminfo.node0.Active(anon)
30272 ± 57% +178.1% 84174 ± 22% numa-meminfo.node0.AnonHugePages
50443 ± 35% +129.7% 115883 ± 19% numa-meminfo.node0.AnonPages
26924 ± 10% +37.4% 36996 ± 24% numa-meminfo.node0.KReclaimable
679911 ± 5% +16.6% 792914 ± 6% numa-meminfo.node0.MemUsed
552.50 ± 33% +90.7% 1053 ± 7% numa-meminfo.node0.PageTables
26924 ± 10% +37.4% 36996 ± 24% numa-meminfo.node0.SReclaimable
85979 ± 10% +23.2% 105924 ± 6% numa-meminfo.node0.SUnreclaim
112904 ± 10% +26.6% 142921 ± 10% numa-meminfo.node0.Slab
119254 ± 40% -76.1% 28463 ± 90% numa-meminfo.node2.Active
119250 ± 40% -76.6% 27958 ± 92% numa-meminfo.node2.Active(anon)
82482 ± 44% -84.3% 12981 ±141% numa-meminfo.node2.AnonHugePages
118340 ± 40% -77.0% 27170 ± 95% numa-meminfo.node2.AnonPages
804692 ± 8% -18.5% 655591 ± 5% numa-meminfo.node2.MemUsed
1186 ± 18% -48.3% 613.50 ± 56% numa-meminfo.node2.PageTables
94139 ± 11% -18.5% 76685 ± 9% numa-meminfo.node2.SUnreclaim
16346 ±108% -95.9% 666.00 ± 63% interrupts.31:PCI-MSI.524289-edge.eth0-TxRx-0
1.00 ± 70% +13250.0% 133.50 ±170% interrupts.CPU1.TLB:TLB_shootdowns
16346 ±108% -95.9% 666.00 ± 63% interrupts.CPU10.31:PCI-MSI.524289-edge.eth0-TxRx-0
1011 ± 16% -18.4% 825.00 ± 3% interrupts.CPU106.CAL:Function_call_interrupts
2177 ± 34% +129.6% 4999 ± 24% interrupts.CPU11.NMI:Non-maskable_interrupts
2177 ± 34% +129.6% 4999 ± 24% interrupts.CPU11.PMI:Performance_monitoring_interrupts
57.25 ± 73% -96.1% 2.25 ± 36% interrupts.CPU148.RES:Rescheduling_interrupts
1882 ±168% -99.6% 8.00 ± 66% interrupts.CPU149.RES:Rescheduling_interrupts
115.00 ± 8% +23.7% 142.25 ± 17% interrupts.CPU154.NMI:Non-maskable_interrupts
115.00 ± 8% +23.7% 142.25 ± 17% interrupts.CPU154.PMI:Performance_monitoring_interrupts
918.50 ± 8% -7.6% 848.50 ± 3% interrupts.CPU186.CAL:Function_call_interrupts
1526 ± 4% -22.1% 1188 ± 19% interrupts.CPU2.CAL:Function_call_interrupts
894.75 ± 9% -8.1% 822.25 ± 3% interrupts.CPU23.CAL:Function_call_interrupts
2856 +80.4% 5153 ± 26% interrupts.CPU5.NMI:Non-maskable_interrupts
2856 +80.4% 5153 ± 26% interrupts.CPU5.PMI:Performance_monitoring_interrupts
100.50 ± 24% +24.1% 124.75 ± 7% interrupts.CPU52.NMI:Non-maskable_interrupts
100.50 ± 24% +24.1% 124.75 ± 7% interrupts.CPU52.PMI:Performance_monitoring_interrupts
2500 ± 24% +71.4% 4285 ± 33% interrupts.CPU6.NMI:Non-maskable_interrupts
2500 ± 24% +71.4% 4285 ± 33% interrupts.CPU6.PMI:Performance_monitoring_interrupts
2143 ± 33% +133.3% 4999 ± 24% interrupts.CPU9.NMI:Non-maskable_interrupts
2143 ± 33% +133.3% 4999 ± 24% interrupts.CPU9.PMI:Performance_monitoring_interrupts
1574 ± 4% -14.0% 1355 ± 16% interrupts.CPU97.CAL:Function_call_interrupts
2499 ± 24% +219.7% 7992 ± 16% interrupts.CPU98.NMI:Non-maskable_interrupts
2499 ± 24% +219.7% 7992 ± 16% interrupts.CPU98.PMI:Performance_monitoring_interrupts
1595 ± 4% -7.6% 1474 ± 5% interrupts.CPU99.CAL:Function_call_interrupts
1.375e+10 +7.4% 1.477e+10 perf-stat.i.branch-instructions
1.27 ± 5% -0.2 1.05 perf-stat.i.branch-miss-rate%
1.745e+08 ± 5% -11.3% 1.547e+08 perf-stat.i.branch-misses
13.19 ± 70% +15.2 28.43 ± 13% perf-stat.i.cache-miss-rate%
4337067 ± 3% +46.7% 6363040 ± 20% perf-stat.i.cache-misses
0.79 -6.0% 0.74 perf-stat.i.cpi
5.591e+10 +1.6% 5.683e+10 perf-stat.i.cpu-cycles
13010 ± 3% -28.1% 9353 ± 19% perf-stat.i.cycles-between-cache-misses
2.092e+10 +6.9% 2.237e+10 perf-stat.i.dTLB-loads
1.355e+10 +7.9% 1.461e+10 perf-stat.i.dTLB-stores
98.43 -0.9 97.49 perf-stat.i.iTLB-load-miss-rate%
1.616e+08 -6.6% 1.508e+08 perf-stat.i.iTLB-load-misses
7.059e+10 +8.2% 7.638e+10 perf-stat.i.instructions
437.94 +15.8% 507.28 perf-stat.i.instructions-per-iTLB-miss
1.26 +6.4% 1.34 perf-stat.i.ipc
0.29 +1.6% 0.30 perf-stat.i.metric.GHz
251.50 +7.2% 269.67 perf-stat.i.metric.M/sec
334380 ± 35% +89.2% 632805 ± 2% perf-stat.i.node-load-misses
28946 ± 39% +155.0% 73824 ± 37% perf-stat.i.node-loads
1.27 ± 5% -0.2 1.05 perf-stat.overall.branch-miss-rate%
13.09 ± 70% +15.2 28.32 ± 13% perf-stat.overall.cache-miss-rate%
0.79 -6.1% 0.74 perf-stat.overall.cpi
12909 ± 3% -28.0% 9296 ± 19% perf-stat.overall.cycles-between-cache-misses
98.46 -0.9 97.53 perf-stat.overall.iTLB-load-miss-rate%
436.98 +15.9% 506.42 perf-stat.overall.instructions-per-iTLB-miss
1.26 +6.4% 1.34 perf-stat.overall.ipc
502424 +13.9% 572023 perf-stat.overall.path-length
1.37e+10 +7.4% 1.472e+10 perf-stat.ps.branch-instructions
1.739e+08 ± 5% -11.3% 1.542e+08 perf-stat.ps.branch-misses
4322393 ± 3% +46.7% 6341797 ± 20% perf-stat.ps.cache-misses
5.572e+10 +1.6% 5.664e+10 perf-stat.ps.cpu-cycles
2.085e+10 +6.9% 2.229e+10 perf-stat.ps.dTLB-loads
1.35e+10 +7.9% 1.456e+10 perf-stat.ps.dTLB-stores
1.61e+08 -6.6% 1.503e+08 perf-stat.ps.iTLB-load-misses
7.036e+10 +8.2% 7.612e+10 perf-stat.ps.instructions
333343 ± 35% +89.2% 630738 ± 2% perf-stat.ps.node-load-misses
28896 ± 39% +154.7% 73601 ± 37% perf-stat.ps.node-loads
2.125e+13 +8.3% 2.301e+13 perf-stat.total.instructions
9060 ±112% -95.5% 403.25 ± 48% softirqs.CPU10.NET_RX
23552 ± 16% -17.9% 19348 ± 4% softirqs.CPU10.RCU
18458 ± 12% -14.7% 15740 ± 3% softirqs.CPU100.RCU
24546 ± 9% -20.0% 19634 ± 8% softirqs.CPU101.RCU
24720 ± 9% -18.5% 20145 softirqs.CPU102.RCU
18180 ± 10% -13.4% 15744 ± 3% softirqs.CPU104.RCU
24427 ± 7% -14.8% 20806 ± 2% softirqs.CPU105.RCU
19491 ± 12% -19.8% 15638 ± 2% softirqs.CPU106.RCU
24007 ± 7% -14.4% 20545 ± 3% softirqs.CPU107.RCU
18194 ± 12% -14.2% 15616 ± 3% softirqs.CPU108.RCU
23298 ± 5% -15.4% 19717 ± 10% softirqs.CPU109.RCU
19120 ± 6% -11.1% 17006 softirqs.CPU11.RCU
19182 ± 14% -18.0% 15723 softirqs.CPU110.RCU
24531 ± 9% -15.9% 20631 softirqs.CPU111.RCU
17894 ± 10% -15.7% 15090 ± 2% softirqs.CPU112.RCU
17855 ± 9% -14.7% 15225 ± 3% softirqs.CPU113.RCU
18217 ± 9% -18.0% 14937 ± 3% softirqs.CPU114.RCU
17620 ± 8% -14.8% 15005 ± 3% softirqs.CPU115.RCU
17715 ± 9% -17.9% 14551 softirqs.CPU116.RCU
18005 ± 10% -19.0% 14576 softirqs.CPU117.RCU
18090 ± 10% -16.2% 15152 ± 2% softirqs.CPU118.RCU
17980 ± 11% -18.6% 14638 ± 4% softirqs.CPU119.RCU
16931 ± 6% -11.0% 15064 ± 3% softirqs.CPU120.RCU
17142 ± 8% -11.3% 15212 ± 7% softirqs.CPU123.RCU
114880 ± 2% -8.9% 104633 ± 5% softirqs.CPU123.TIMER
113579 ± 2% -8.6% 103763 ± 5% softirqs.CPU124.TIMER
17329 ± 10% -10.9% 15444 ± 4% softirqs.CPU126.RCU
20601 ± 10% -15.4% 17424 ± 4% softirqs.CPU129.RCU
20559 ± 9% -15.3% 17412 ± 4% softirqs.CPU130.RCU
20261 ± 9% -15.0% 17220 ± 4% softirqs.CPU134.RCU
23453 ± 14% -16.0% 19709 ± 2% softirqs.CPU14.RCU
114208 ± 2% -8.5% 104503 ± 5% softirqs.CPU140.TIMER
114437 -8.6% 104605 ± 5% softirqs.CPU142.TIMER
120886 ± 10% -12.5% 105763 ± 6% softirqs.CPU147.TIMER
19964 ± 8% -11.0% 17775 ± 2% softirqs.CPU148.RCU
19678 ± 8% -14.8% 16772 softirqs.CPU15.RCU
20092 ± 8% -12.2% 17639 ± 2% softirqs.CPU150.RCU
19591 ± 7% -11.1% 17425 ± 2% softirqs.CPU151.RCU
19463 ± 7% -11.5% 17232 ± 2% softirqs.CPU152.RCU
19682 ± 7% -9.9% 17732 ± 3% softirqs.CPU153.RCU
18837 ± 6% -8.3% 17268 ± 4% softirqs.CPU158.RCU
17991 ± 8% -11.6% 15911 ± 2% softirqs.CPU16.RCU
120462 ± 9% -12.9% 104932 ± 5% softirqs.CPU164.TIMER
20223 ± 5% -13.7% 17457 ± 2% softirqs.CPU167.RCU
18928 ± 8% -12.2% 16611 ± 2% softirqs.CPU172.RCU
19627 ± 11% -14.5% 16788 ± 3% softirqs.CPU176.RCU
19488 ± 10% -14.6% 16637 ± 4% softirqs.CPU177.RCU
19536 ± 10% -15.4% 16532 ± 2% softirqs.CPU179.RCU
18402 ± 8% -11.8% 16231 ± 3% softirqs.CPU18.RCU
19186 ± 9% -13.3% 16630 ± 3% softirqs.CPU181.RCU
19542 ± 11% -14.4% 16728 ± 3% softirqs.CPU183.RCU
19089 ± 6% -13.0% 16614 ± 3% softirqs.CPU186.RCU
19192 ± 8% -13.7% 16568 ± 3% softirqs.CPU189.RCU
18925 ± 6% -12.3% 16596 ± 2% softirqs.CPU190.RCU
18723 ± 5% -10.5% 16750 softirqs.CPU191.RCU
24020 ± 13% -25.2% 17965 ± 7% softirqs.CPU2.RCU
3669 ± 2% +662.4% 27973 ± 50% softirqs.CPU2.SCHED
18222 ± 8% -12.6% 15922 ± 2% softirqs.CPU20.RCU
18326 ± 8% -14.0% 15756 softirqs.CPU21.RCU
18417 ± 9% -10.3% 16526 ± 2% softirqs.CPU22.RCU
18339 ± 9% -11.6% 16215 ± 4% softirqs.CPU23.RCU
17242 ± 5% -14.1% 14818 ± 8% softirqs.CPU24.RCU
18057 ± 11% -15.7% 15215 softirqs.CPU26.RCU
106145 ± 4% -7.9% 97809 softirqs.CPU26.TIMER
17835 ± 5% -14.3% 15277 ± 2% softirqs.CPU27.RCU
19771 ± 9% -13.5% 17094 ± 2% softirqs.CPU3.RCU
17828 ± 11% -14.2% 15296 softirqs.CPU30.RCU
20422 ± 10% -13.3% 17700 ± 3% softirqs.CPU34.RCU
124749 ± 17% -18.3% 101976 ± 2% softirqs.CPU35.TIMER
20348 ± 8% -13.9% 17514 ± 2% softirqs.CPU38.RCU
21945 ± 19% -22.0% 17112 ± 4% softirqs.CPU39.RCU
23685 ± 14% -19.5% 19057 ± 4% softirqs.CPU4.RCU
21144 ± 9% -24.0% 16072 ± 16% softirqs.CPU40.RCU
20768 ± 8% -14.9% 17675 ± 3% softirqs.CPU42.RCU
19967 ± 4% -11.7% 17627 ± 3% softirqs.CPU44.RCU
112341 ± 6% -9.5% 101623 ± 2% softirqs.CPU44.TIMER
20051 ± 10% -11.9% 17657 ± 3% softirqs.CPU46.RCU
19623 ± 10% -14.7% 16734 ± 7% softirqs.CPU47.RCU
40047 ± 4% -15.2% 33972 ± 19% softirqs.CPU49.SCHED
20279 ± 4% -14.9% 17250 ± 4% softirqs.CPU52.RCU
19933 ± 7% -12.0% 17532 ± 2% softirqs.CPU53.RCU
20262 ± 8% -15.8% 17065 ± 12% softirqs.CPU54.RCU
20031 ± 8% -13.6% 17308 ± 6% softirqs.CPU55.RCU
20272 ± 7% -11.2% 17998 softirqs.CPU56.RCU
19967 ± 6% -12.4% 17489 ± 2% softirqs.CPU57.RCU
20424 ± 7% -12.3% 17919 ± 3% softirqs.CPU58.RCU
20110 ± 9% -14.5% 17200 ± 4% softirqs.CPU6.RCU
19747 ± 5% -14.3% 16924 ± 8% softirqs.CPU68.RCU
119401 ± 10% -14.4% 102217 ± 3% softirqs.CPU68.TIMER
20986 ± 9% -18.2% 17165 ± 2% softirqs.CPU7.RCU
19087 ± 8% -11.5% 16888 softirqs.CPU74.RCU
19585 ± 8% -14.0% 16846 ± 3% softirqs.CPU76.RCU
19485 ± 9% -12.8% 16982 softirqs.CPU77.RCU
19068 ± 2% -10.4% 17078 softirqs.CPU78.RCU
23660 ± 13% -17.2% 19600 ± 3% softirqs.CPU8.RCU
20245 ± 10% -14.9% 17224 softirqs.CPU80.RCU
20171 ± 10% -15.7% 17003 ± 2% softirqs.CPU81.RCU
110104 ± 5% -8.3% 100998 ± 3% softirqs.CPU81.TIMER
20158 ± 8% -13.7% 17391 ± 2% softirqs.CPU82.RCU
19872 ± 9% -13.1% 17277 ± 2% softirqs.CPU85.RCU
20317 ± 9% -15.5% 17165 ± 2% softirqs.CPU89.RCU
20099 ± 11% -17.3% 16614 ± 3% softirqs.CPU9.RCU
19696 ± 7% -14.0% 16941 softirqs.CPU90.RCU
20096 ± 8% -14.9% 17096 softirqs.CPU91.RCU
20002 ± 8% -15.0% 17011 ± 2% softirqs.CPU93.RCU
19552 ± 6% -13.3% 16942 softirqs.CPU94.RCU
109666 ± 5% -8.5% 100332 ± 3% softirqs.CPU94.TIMER
25091 ± 9% -20.0% 20077 ± 9% softirqs.CPU97.RCU
24912 ± 10% -15.8% 20976 softirqs.CPU99.RCU
15316 ± 68% -80.9% 2933 ± 57% softirqs.NET_RX
3763395 ± 8% -12.4% 3298303 ± 2% softirqs.RCU
7.23 -7.2 0.00 perf-profile.calltrace.cycles-pp.eventfd_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
32.55 -5.7 26.82 ± 8% perf-profile.calltrace.cycles-pp.__libc_write
21.11 -3.7 17.42 ± 8% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__libc_write
20.01 -3.5 16.55 ± 8% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_write
17.96 -2.9 15.09 ± 8% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_write
13.27 -2.1 11.18 ± 8% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_write
7.63 -1.4 6.25 ± 9% perf-profile.calltrace.cycles-pp.eventfd_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
7.08 -1.3 5.73 ± 7% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.__libc_read
7.04 -1.3 5.71 ± 7% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.__libc_write
3.27 ± 19% -0.9 2.32 ± 21% perf-profile.calltrace.cycles-pp.apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry
4.08 -0.7 3.34 ± 8% perf-profile.calltrace.cycles-pp._copy_from_user.eventfd_write.vfs_write.ksys_write.do_syscall_64
2.40 ± 8% -0.7 1.68 ± 11% perf-profile.calltrace.cycles-pp.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.do_idle
3.48 -0.6 2.84 ± 8% perf-profile.calltrace.cycles-pp.__pthread_enable_asynccancel
1.02 ± 28% -0.6 0.41 ± 57% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter_state
3.51 -0.5 2.96 ± 8% perf-profile.calltrace.cycles-pp.security_file_permission.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.79 -0.5 2.27 ± 7% perf-profile.calltrace.cycles-pp.__fdget_pos.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_read
2.58 -0.5 2.11 ± 8% perf-profile.calltrace.cycles-pp.__fget_light.__fdget_pos.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.49 ± 8% -0.5 1.04 ± 9% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter
2.81 -0.5 2.36 ± 7% perf-profile.calltrace.cycles-pp.__pthread_disable_asynccancel
2.50 -0.4 2.10 ± 10% perf-profile.calltrace.cycles-pp.__fdget_pos.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_write
2.20 -0.4 1.81 ± 9% perf-profile.calltrace.cycles-pp.fsnotify.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.15 -0.4 1.77 ± 8% perf-profile.calltrace.cycles-pp.__fget_files.__fget_light.__fdget_pos.ksys_read.do_syscall_64
2.31 -0.4 1.94 ± 10% perf-profile.calltrace.cycles-pp.__fget_light.__fdget_pos.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.00 -0.4 1.64 ± 10% perf-profile.calltrace.cycles-pp.__fget_files.__fget_light.__fdget_pos.ksys_write.do_syscall_64
2.62 -0.3 2.27 ± 6% perf-profile.calltrace.cycles-pp.security_file_permission.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.60 -0.3 0.27 ±100% perf-profile.calltrace.cycles-pp.fsnotify_parent.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.68 ± 2% -0.3 1.37 ± 10% perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.eventfd_write.vfs_write.ksys_write.do_syscall_64
1.04 -0.3 0.74 ± 7% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.__libc_read
1.26 -0.3 0.97 ± 7% perf-profile.calltrace.cycles-pp.copy_user_generic_unrolled._copy_from_user.eventfd_write.vfs_write.ksys_write
1.23 -0.3 0.97 ± 8% perf-profile.calltrace.cycles-pp.fput_many.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_write
1.20 ± 2% -0.2 0.99 ± 8% perf-profile.calltrace.cycles-pp.fput_many.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_read
0.91 -0.2 0.74 ± 8% perf-profile.calltrace.cycles-pp.fsnotify.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.84 ± 3% -0.1 0.70 ± 8% perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string._copy_from_user.eventfd_write.vfs_write.ksys_write
0.64 ± 3% -0.1 0.53 ± 6% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.__libc_write
0.00 +0.7 0.70 ± 6% perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string.copyout._copy_to_iter.eventfd_read.new_sync_read
0.00 +0.7 0.73 ± 8% perf-profile.calltrace.cycles-pp.__might_fault._copy_to_iter.eventfd_read.new_sync_read.vfs_read
0.00 +1.0 0.97 ± 7% perf-profile.calltrace.cycles-pp.copy_user_generic_unrolled.copyout._copy_to_iter.eventfd_read.new_sync_read
1.13 ± 25% +1.0 2.14 ± 18% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_kernel.secondary_startup_64
1.13 ± 25% +1.0 2.14 ± 18% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_kernel.secondary_startup_64
1.13 ± 25% +1.0 2.14 ± 18% perf-profile.calltrace.cycles-pp.cpuidle_enter.do_idle.cpu_startup_entry.start_kernel.secondary_startup_64
1.13 ± 25% +1.0 2.14 ± 18% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry.start_kernel
1.13 ± 25% +1.0 2.14 ± 18% perf-profile.calltrace.cycles-pp.start_kernel.secondary_startup_64
0.00 +1.4 1.41 ± 9% perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.eventfd_read.new_sync_read.vfs_read.ksys_read
0.00 +2.2 2.18 ± 7% perf-profile.calltrace.cycles-pp.copyout._copy_to_iter.eventfd_read.new_sync_read.vfs_read
0.00 +4.2 4.20 ± 7% perf-profile.calltrace.cycles-pp._copy_to_iter.eventfd_read.new_sync_read.vfs_read.ksys_read
0.00 +7.2 7.19 ± 8% perf-profile.calltrace.cycles-pp.eventfd_read.new_sync_read.vfs_read.ksys_read.do_syscall_64
0.00 +8.5 8.55 ± 8% perf-profile.calltrace.cycles-pp.new_sync_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
29.26 +9.0 38.28 ± 12% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64
29.26 +9.0 38.28 ± 12% perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64
29.25 +9.0 38.27 ± 12% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64
25.36 ± 4% +9.8 35.17 ± 15% perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry
30.39 +10.0 40.42 ± 12% perf-profile.calltrace.cycles-pp.secondary_startup_64
32.47 -5.8 26.70 ± 8% perf-profile.children.cycles-pp.__libc_write
18.08 -2.9 15.18 ± 8% perf-profile.children.cycles-pp.ksys_write
13.39 -2.1 11.28 ± 8% perf-profile.children.cycles-pp.vfs_write
9.51 -1.8 7.69 ± 8% perf-profile.children.cycles-pp.entry_SYSCALL_64
7.73 -1.4 6.36 ± 9% perf-profile.children.cycles-pp.eventfd_write
6.55 -1.3 5.27 ± 8% perf-profile.children.cycles-pp.syscall_return_via_sysret
6.31 -1.0 5.34 ± 7% perf-profile.children.cycles-pp.security_file_permission
5.51 -1.0 4.55 ± 9% perf-profile.children.cycles-pp.__fdget_pos
5.13 -0.9 4.24 ± 9% perf-profile.children.cycles-pp.__fget_light
3.15 ± 9% -0.8 2.37 ± 11% perf-profile.children.cycles-pp.apic_timer_interrupt
4.27 -0.8 3.50 ± 9% perf-profile.children.cycles-pp.__fget_files
4.17 -0.8 3.41 ± 8% perf-profile.children.cycles-pp._copy_from_user
2.62 ± 7% -0.8 1.86 ± 11% perf-profile.children.cycles-pp.smp_apic_timer_interrupt
2.54 -0.7 1.84 ± 9% perf-profile.children.cycles-pp.__might_fault
3.48 -0.6 2.84 ± 8% perf-profile.children.cycles-pp.__pthread_enable_asynccancel
3.13 -0.5 2.59 ± 8% perf-profile.children.cycles-pp.fsnotify
1.15 ± 24% -0.5 0.62 ± 10% perf-profile.children.cycles-pp.__hrtimer_run_queues
1.69 ± 7% -0.5 1.19 ± 10% perf-profile.children.cycles-pp.hrtimer_interrupt
2.43 -0.5 1.96 ± 8% perf-profile.children.cycles-pp.fput_many
2.81 -0.5 2.36 ± 7% perf-profile.children.cycles-pp.__pthread_disable_asynccancel
1.29 -0.4 0.86 ± 11% perf-profile.children.cycles-pp.___might_sleep
1.67 ± 2% -0.4 1.28 ± 8% perf-profile.children.cycles-pp.fsnotify_parent
0.79 ± 22% -0.4 0.41 ± 11% perf-profile.children.cycles-pp.tick_sched_timer
0.66 ± 29% -0.3 0.33 ± 13% perf-profile.children.cycles-pp.tick_sched_handle
0.64 ± 28% -0.3 0.33 ± 12% perf-profile.children.cycles-pp.update_process_times
1.17 -0.2 0.99 ± 10% perf-profile.children.cycles-pp.aa_file_perm
0.58 -0.1 0.45 ± 8% perf-profile.children.cycles-pp.__indirect_thunk_start
0.28 ± 13% -0.1 0.16 ± 12% perf-profile.children.cycles-pp.irq_enter
0.40 ± 12% -0.1 0.28 ± 16% perf-profile.children.cycles-pp.__softirqentry_text_start
0.69 ± 2% -0.1 0.58 ± 7% perf-profile.children.cycles-pp.__might_sleep
0.28 ± 15% -0.1 0.18 ± 13% perf-profile.children.cycles-pp.scheduler_tick
0.30 ± 12% -0.1 0.21 ± 14% perf-profile.children.cycles-pp.apparmor_file_permission
0.19 ± 12% -0.1 0.10 ± 14% perf-profile.children.cycles-pp.tick_irq_enter
0.10 ± 18% -0.1 0.04 ± 57% perf-profile.children.cycles-pp.load_balance
0.08 ± 21% -0.1 0.03 ±100% perf-profile.children.cycles-pp.update_rq_clock
0.17 ± 8% -0.1 0.12 ± 12% perf-profile.children.cycles-pp.rebalance_domains
0.26 ± 3% -0.0 0.21 ± 7% perf-profile.children.cycles-pp.testcase
0.15 ± 14% -0.0 0.11 ± 10% perf-profile.children.cycles-pp.perf_mux_hrtimer_handler
0.07 ± 12% -0.0 0.03 ±100% perf-profile.children.cycles-pp.update_sd_lb_stats
0.22 ± 6% -0.0 0.18 ± 2% perf-profile.children.cycles-pp.fput
0.15 ± 14% -0.0 0.11 ± 10% perf-profile.children.cycles-pp.sched_clock_cpu
0.08 ± 14% -0.0 0.04 ± 57% perf-profile.children.cycles-pp.find_busiest_group
0.11 ± 11% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.irqtime_account_irq
0.13 ± 3% -0.0 0.10 ± 15% perf-profile.children.cycles-pp.read@plt
0.08 ± 6% -0.0 0.06 ± 9% perf-profile.children.cycles-pp.__vfs_write
0.47 ± 4% +0.1 0.59 ± 9% perf-profile.children.cycles-pp.rw_verify_area
0.00 +0.2 0.19 ± 8% perf-profile.children.cycles-pp.iov_iter_init
0.91 ± 2% +0.6 1.49 ± 7% perf-profile.children.cycles-pp.copy_user_enhanced_fast_string
1.57 +0.9 2.45 ± 7% perf-profile.children.cycles-pp.copy_user_generic_unrolled
1.13 ± 25% +1.0 2.14 ± 18% perf-profile.children.cycles-pp.start_kernel
0.00 +2.2 2.18 ± 7% perf-profile.children.cycles-pp.copyout
0.00 +4.3 4.27 ± 7% perf-profile.children.cycles-pp._copy_to_iter
0.00 +8.7 8.69 ± 8% perf-profile.children.cycles-pp.new_sync_read
29.26 +9.0 38.28 ± 12% perf-profile.children.cycles-pp.start_secondary
28.83 ± 2% +9.3 38.15 ± 13% perf-profile.children.cycles-pp.cpuidle_enter
28.83 ± 2% +9.3 38.14 ± 13% perf-profile.children.cycles-pp.cpuidle_enter_state
25.36 ± 4% +9.8 35.17 ± 15% perf-profile.children.cycles-pp.intel_idle
30.39 +10.0 40.42 ± 12% perf-profile.children.cycles-pp.secondary_startup_64
30.39 +10.0 40.42 ± 12% perf-profile.children.cycles-pp.cpu_startup_entry
30.39 +10.0 40.42 ± 12% perf-profile.children.cycles-pp.do_idle
6.55 -1.3 5.26 ± 8% perf-profile.self.cycles-pp.syscall_return_via_sysret
4.85 -0.9 3.91 ± 8% perf-profile.self.cycles-pp.entry_SYSCALL_64
3.35 -0.9 2.50 ± 7% perf-profile.self.cycles-pp.do_syscall_64
4.13 -0.7 3.40 ± 9% perf-profile.self.cycles-pp.__fget_files
2.30 -0.7 1.61 ± 9% perf-profile.self.cycles-pp.eventfd_read
3.50 -0.7 2.83 ± 7% perf-profile.self.cycles-pp.__libc_write
3.49 -0.6 2.85 ± 7% perf-profile.self.cycles-pp.__libc_read
3.47 -0.6 2.83 ± 8% perf-profile.self.cycles-pp.__pthread_enable_asynccancel
3.00 -0.5 2.49 ± 8% perf-profile.self.cycles-pp.fsnotify
1.57 -0.5 1.09 ± 8% perf-profile.self.cycles-pp.vfs_read
2.79 -0.5 2.34 ± 6% perf-profile.self.cycles-pp.__pthread_disable_asynccancel
2.31 -0.4 1.86 ± 8% perf-profile.self.cycles-pp.fput_many
1.29 -0.4 0.86 ± 11% perf-profile.self.cycles-pp.___might_sleep
2.00 ± 2% -0.4 1.61 ± 8% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
1.57 ± 3% -0.4 1.22 ± 7% perf-profile.self.cycles-pp.fsnotify_parent
1.43 ± 2% -0.3 1.17 ± 10% perf-profile.self.cycles-pp.vfs_write
1.84 -0.3 1.59 ± 10% perf-profile.self.cycles-pp.eventfd_write
1.28 ± 2% -0.2 1.04 ± 8% perf-profile.self.cycles-pp.security_file_permission
1.09 -0.2 0.92 ± 9% perf-profile.self.cycles-pp.aa_file_perm
0.91 ± 4% -0.2 0.76 ± 10% perf-profile.self.cycles-pp.ksys_read
0.63 -0.1 0.48 ± 7% perf-profile.self.cycles-pp.__might_sleep
0.88 ± 2% -0.1 0.74 ± 8% perf-profile.self.cycles-pp.__fget_light
0.54 ± 3% -0.1 0.43 ± 7% perf-profile.self.cycles-pp._copy_from_user
0.46 ± 3% -0.1 0.37 ± 8% perf-profile.self.cycles-pp.__fdget_pos
0.37 ± 3% -0.1 0.30 ± 9% perf-profile.self.cycles-pp.__indirect_thunk_start
0.17 ± 19% -0.1 0.11 ± 17% perf-profile.self.cycles-pp.apparmor_file_permission
0.26 ± 3% -0.0 0.21 ± 7% perf-profile.self.cycles-pp.testcase
0.12 ± 7% -0.0 0.09 ± 4% perf-profile.self.cycles-pp.fput
0.08 ± 6% -0.0 0.06 ± 9% perf-profile.self.cycles-pp.__vfs_write
0.06 ± 6% +0.0 0.10 ± 11% perf-profile.self.cycles-pp.__vfs_read
0.47 ± 4% +0.1 0.57 ± 9% perf-profile.self.cycles-pp.rw_verify_area
0.00 +0.1 0.15 ± 8% perf-profile.self.cycles-pp.iov_iter_init
0.00 +0.2 0.19 ± 11% perf-profile.self.cycles-pp.copyout
0.91 ± 2% +0.6 1.49 ± 7% perf-profile.self.cycles-pp.copy_user_enhanced_fast_string
1.50 +0.8 2.35 ± 7% perf-profile.self.cycles-pp.copy_user_generic_unrolled
0.78 ± 73% +0.9 1.65 ± 10% perf-profile.self.cycles-pp.menu_select
0.00 +1.2 1.18 ± 12% perf-profile.self.cycles-pp.new_sync_read
0.00 +1.3 1.26 ± 7% perf-profile.self.cycles-pp._copy_to_iter
25.35 ± 4% +9.8 35.17 ± 15% perf-profile.self.cycles-pp.intel_idle
will-it-scale.per_thread_ops
2.7e+06 +----------------------------------------------------------------+
| +..+. |
2.65e+06 |-+ .. +..+.. .+..+.+..+..+..+.+..|
|.. .+..+..+..+.+.. .+..+ +.+. |
2.6e+06 |-++ +..+ |
| |
2.55e+06 |-+ |
| O O O O O O O O |
2.5e+06 |-+ O O O O |
| |
2.45e+06 |-+ |
| O O O O O O |
2.4e+06 |-+ |
| O O |
2.35e+06 +----------------------------------------------------------------+
will-it-scale.workload
4.3e+07 +----------------------------------------------------------------+
4.25e+07 |-+ .. +.+.. |
| .+ +..+. .+..+.+..+..+..+.+..|
4.2e+07 |..+.+..+..+..+.+..+..+.+. +. |
4.15e+07 |-+ |
4.1e+07 |-+ |
4.05e+07 |-+ |
| O O O O O O O O O O |
4e+07 |-+ O O |
3.95e+07 |-+ |
3.9e+07 |-+ |
3.85e+07 |-+O O O O O O |
| |
3.8e+07 |-+ O O |
3.75e+07 +----------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
***************************************************************************************************
lkp-csl-2ap2: 192 threads Intel(R) Xeon(R) Platinum 9242 CPU @ 2.30GHz with 192G memory
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
View attachment "config-5.7.0-rc1-00001-g12aceb89b0bce" of type "text/plain" (156867 bytes)
View attachment "job-script" of type "text/plain" (7572 bytes)
View attachment "job.yaml" of type "text/plain" (5234 bytes)
View attachment "reproduce" of type "text/plain" (339 bytes)
Powered by blists - more mailing lists