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2026-07-21 - 07:08
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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 Tue Jul 21, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161642680,0sleep40-21swapper/423:36:364
159092560,0sleep20-21swapper/222:52:532
30182540,1sleep33019-21sshd21:32:213
221712540,0sleep30-21swapper/322:35:083
84172500,1sleep773-21ksoftirqd/700:10:357
238702500,0sleep00-21swapper/021:44:270
175962490,0sleep30-21swapper/322:45:493
101952490,0sleep3391rcuc/323:08:563
94372480,0sleep60-21swapper/600:21:396
94372480,0sleep60-21swapper/600:21:396
297724825,8sleep60-21swapper/619:06:356
274924825,8sleep70-21swapper/719:03:317
78122460,1sleep1314199cyclictest23:23:191
293424524,9sleep10-21swapper/119:05:581
71322440,0sleep40-21swapper/400:08:404
65922440,0sleep30-21swapper/300:03:103
39312440,0sleep10-21swapper/123:41:221
323282440,0sleep50-21swapper/521:44:565
264792440,0sleep70-21swapper/723:38:557
197972440,0sleep10-21swapper/121:46:041
179622440,0sleep70-21swapper/721:22:157
40902430,0sleep3391rcuc/322:10:333
33462430,0sleep30-21swapper/323:12:083
284782430,0sleep01-21systemd22:46:260
291624229,9sleep50-21swapper/519:05:465
287012420,0sleep2311rcuc/200:22:392
287012420,0sleep2311rcuc/200:22:392
199892420,0sleep30-21swapper/323:29:303
267842410,0sleep50-21swapper/521:22:465
247582410,1sleep124722-21sshd21:51:491
247582410,1sleep124722-21sshd21:51:491
209372410,0sleep4471rcuc/421:47:514
209372410,0sleep4471rcuc/421:47:514
33712400,0sleep50-21swapper/522:25:015
281724028,8sleep30-21swapper/319:04:243
271124028,8sleep00-21swapper/019:03:000
266624029,8sleep40-21swapper/419:02:244
93012390,0sleep20-21swapper/221:25:312
57662390,1sleep557-21ksoftirqd/522:28:455
55192390,2sleep2314999cyclictest23:19:362
271323935,1sleep20-21swapper/219:03:022
276072360,0sleep40-21swapper/400:04:234
3166992211,9cyclictest5715-21sshd21:57:565
3153992117,3cyclictest41-21ksoftirqd/300:13:203
316699208,5cyclictest0-21swapper/523:37:025
315399206,2cyclictest41-21ksoftirqd/321:07:313
315399204,1cyclictest41-21ksoftirqd/323:53:193
3153992018,1cyclictest41-21ksoftirqd/321:50:083
3153992018,1cyclictest41-21ksoftirqd/321:50:083
3153992016,3cyclictest41-21ksoftirqd/300:32:423
3153992010,2cyclictest41-21ksoftirqd/300:21:593
3153992010,2cyclictest41-21ksoftirqd/300:21:593
97252190,0sleep10-21swapper/121:38:111
316699198,5cyclictest0-21swapper/522:58:185
316699198,0cyclictest0-21swapper/520:23:545
315399196,4cyclictest41-21ksoftirqd/323:19:523
315399196,4cyclictest41-21ksoftirqd/321:52:513
315399196,4cyclictest41-21ksoftirqd/321:52:513
3153991915,3cyclictest41-21ksoftirqd/322:57:013
3153991915,3cyclictest41-21ksoftirqd/322:17:563
315399190,18cyclictest482-21kworker/3:300:27:063
3131991915,1cyclictest9-21ksoftirqd/000:10:580
250922190,1sleep425086-21sshd21:44:314
316699188,5cyclictest0-21swapper/523:12:465
316699187,5cyclictest0-21swapper/523:19:325
316699187,0cyclictest0-21swapper/520:48:425
316699187,0cyclictest0-21swapper/519:23:505
316699187,0cyclictest0-21swapper/500:36:005
316699181,0cyclictest0-21swapper/519:29:185
315399182,3cyclictest41-21ksoftirqd/321:28:443
3153991816,1cyclictest41-21ksoftirqd/322:04:023
3153991815,3cyclictest41-21ksoftirqd/300:08:163
3153991815,1cyclictest41-21ksoftirqd/323:43:013
3153991815,1cyclictest41-21ksoftirqd/321:43:013
3153991814,1cyclictest41-21ksoftirqd/323:37:343
3153991814,1cyclictest41-21ksoftirqd/321:24:533
3153991813,4cyclictest41-21ksoftirqd/323:23:103
3153991812,2cyclictest41-21ksoftirqd/321:40:043
203112180,0sleep40-21swapper/423:29:314
316699177,0cyclictest0-21swapper/523:28:505
316699176,5cyclictest0-21swapper/523:56:145
316699176,5cyclictest0-21swapper/522:20:265
316699176,5cyclictest0-21swapper/522:13:185
316699176,5cyclictest0-21swapper/522:11:385
316699176,5cyclictest0-21swapper/521:48:285
316699176,5cyclictest0-21swapper/521:48:285
316699176,5cyclictest0-21swapper/520:17:465
316699176,5cyclictest0-21swapper/519:46:585
316699176,5cyclictest0-21swapper/519:09:385
316699176,0cyclictest0-21swapper/521:04:105
316699176,0cyclictest0-21swapper/520:03:385
316699176,0cyclictest0-21swapper/519:46:245
316699176,0cyclictest0-21swapper/519:38:465
3153991715,1cyclictest41-21ksoftirqd/322:51:403
3153991715,1cyclictest41-21ksoftirqd/322:48:583
3153991715,1cyclictest41-21ksoftirqd/321:59:343
3153991715,1cyclictest41-21ksoftirqd/321:15:443
3153991715,1cyclictest41-21ksoftirqd/300:16:553
3153991715,1cyclictest41-21ksoftirqd/300:00:073
3153991714,2cyclictest464-21systemd-journal22:37:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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