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2025-11-17 - 05:51
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Mon Nov 17, 2025 00:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199252860,2sleep4560499cyclictest21:23:034
187902690,0sleep00-21swapper/022:25:370
204282580,0sleep40-21swapper/400:03:204
208112530,0sleep50-21swapper/520:55:575
506025128,8sleep00-21swapper/018:50:050
292832510,0sleep00-21swapper/022:18:170
199802480,0sleep40-21swapper/420:14:484
127842470,0sleep70-21swapper/722:20:167
513424624,8sleep60-21swapper/618:51:076
37112460,1sleep53707-21grepconf.sh23:52:165
290242460,0sleep10-21swapper/123:24:571
7752450,0sleep2773-21nfsd00:04:542
7752450,0sleep2773-21nfsd00:04:542
509424533,8sleep50-21swapper/518:50:345
257662450,0sleep60-21swapper/623:15:416
141172450,1sleep4763-21runrttasks00:10:574
110162450,1sleep711009-21sshd00:10:287
507624330,9sleep70-21swapper/718:50:207
325282430,2sleep1558799cyclictest22:45:091
61402420,0sleep40-21swapper/421:29:594
529124231,8sleep20-21swapper/218:53:112
294482420,0sleep50-21swapper/521:19:515
267072420,0sleep70-21swapper/723:38:007
201272420,0sleep00-21swapper/021:32:040
525224129,9sleep10-21swapper/118:52:381
515824126,11sleep40-21swapper/418:51:214
267662410,0sleep126763-21sshd22:17:541
237262410,0sleep60-21swapper/621:54:526
533024027,9sleep30-21swapper/318:53:453
197872400,0sleep40-21swapper/422:52:324
60312390,0sleep40-21swapper/423:08:424
285002390,1sleep557-21ksoftirqd/522:31:275
561699227,9cyclictest0-21swapper/719:04:227
561699208,11cyclictest7680-21grepconf.sh21:57:127
561699204,15cyclictest9022-21sshd23:39:527
561699202,15cyclictest16989-21sshd21:27:077
5613992015,3cyclictest65-21ksoftirqd/622:56:176
561699198,5cyclictest0-21swapper/723:51:087
561699198,5cyclictest0-21swapper/723:15:247
561699198,5cyclictest0-21swapper/722:43:347
561699198,5cyclictest0-21swapper/721:37:547
561699198,5cyclictest0-21swapper/720:52:547
561699198,5cyclictest0-21swapper/720:45:447
561699198,5cyclictest0-21swapper/720:41:527
561699198,5cyclictest0-21swapper/720:41:527
561699198,5cyclictest0-21swapper/720:38:247
561699198,5cyclictest0-21swapper/720:31:247
561699198,5cyclictest0-21swapper/720:21:227
561699198,5cyclictest0-21swapper/719:47:007
561699198,5cyclictest0-21swapper/719:17:467
561699196,7cyclictest0-21swapper/719:04:387
561699190,16cyclictest14630-21systemd-cgroups00:20:307
560999198,5cyclictest0-21swapper/522:36:445
560999198,5cyclictest0-21swapper/521:00:085
53172190,0sleep00-21swapper/000:23:580
561699187,5cyclictest0-21swapper/723:27:007
561699187,5cyclictest0-21swapper/722:49:467
561699187,5cyclictest0-21swapper/722:29:167
561699187,5cyclictest0-21swapper/722:11:467
561699187,5cyclictest0-21swapper/720:24:387
561699187,5cyclictest0-21swapper/720:24:387
561699187,5cyclictest0-21swapper/720:10:327
561699187,5cyclictest0-21swapper/719:59:407
561699187,5cyclictest0-21swapper/719:39:267
561699187,5cyclictest0-21swapper/719:31:467
561699187,5cyclictest0-21swapper/719:25:167
561699187,5cyclictest0-21swapper/719:20:347
561699187,5cyclictest0-21swapper/719:11:567
561699187,5cyclictest0-21swapper/718:59:227
561699187,5cyclictest0-21swapper/700:05:387
561699187,5cyclictest0-21swapper/700:05:387
561699187,5cyclictest0-21swapper/700:00:447
561699187,0cyclictest0-21swapper/722:47:127
561699187,0cyclictest0-21swapper/720:17:527
561699187,0cyclictest0-21swapper/719:55:387
561699187,0cyclictest0-21swapper/719:41:187
561699186,6cyclictest0-21swapper/719:51:187
560999187,5cyclictest0-21swapper/522:17:525
560999187,5cyclictest0-21swapper/521:27:165
560999187,0cyclictest0-21swapper/523:34:425
560999187,0cyclictest0-21swapper/522:22:265
560999187,0cyclictest0-21swapper/520:29:505
561699177,4cyclictest0-21swapper/723:05:247
561699176,5cyclictest0-21swapper/722:57:007
561699176,5cyclictest0-21swapper/721:42:027
561699176,5cyclictest0-21swapper/721:05:207
561699172,8cyclictest0-21swapper/700:18:027
560999176,5cyclictest0-21swapper/523:58:265
560999176,5cyclictest0-21swapper/521:39:225
560999176,5cyclictest0-21swapper/519:46:465
560999176,5cyclictest0-21swapper/519:38:185
560999176,0cyclictest0-21swapper/521:30:305
560999176,0cyclictest0-21swapper/521:13:485
560499172,14cyclictest22775-21sshd23:54:514
559899177,1cyclictest41-21ksoftirqd/323:32:353
559899176,2cyclictest41-21ksoftirqd/321:10:273
561699166,5cyclictest0-21swapper/722:04:067
561699165,5cyclictest0-21swapper/723:32:427
561699165,5cyclictest0-21swapper/720:05:107
561699160,15cyclictest15067-21sshd21:53:537
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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