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2025-12-08 - 14:37
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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 rackcslot6.osadl.org (updated Mon Dec 08, 2025 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27002842140120,4sleep50-21swapper/519:05:225
26991122119101,2sleep60-21swapper/619:05:146
2698315211484,3sleep00-21swapper/019:05:000
270114328942,33sleep70-21swapper/719:06:057
2701647998617,37cyclictest0-21swapper/500:08:155
2701607998615,39cyclictest0-21swapper/021:23:150
28807802840,0sleep40-21swapper/422:30:194
2701647998215,37cyclictest0-21swapper/523:33:155
2701647998215,37cyclictest0-21swapper/523:33:155
2701647998116,35cyclictest0-21swapper/520:48:155
2701647998115,37cyclictest0-21swapper/523:43:155
28657762800,0sleep70-21swapper/722:19:407
27795722800,3sleep121-21ksoftirqd/121:10:231
270113928040,13sleep30-21swapper/319:06:003
27825062730,0sleep60-21swapper/621:13:396
2701607997317,36cyclictest0-21swapper/021:58:150
270113827345,14sleep20-21swapper/219:05:592
28957542720,0sleep50-21swapper/522:42:135
2701654997215,36cyclictest0-21swapper/622:23:156
2701647997015,26cyclictest0-21swapper/500:18:155
270123726943,13sleep10-21swapper/119:07:191
270164799689,26cyclictest0-21swapper/521:48:155
2701626996811,28cyclictest28-21ksoftirqd/200:28:152
2701647996514,19cyclictest0-21swapper/520:13:155
2701607996510,22cyclictest0-21swapper/021:33:150
270130626547,12sleep40-21swapper/419:08:184
2701654996416,38cyclictest0-21swapper/622:58:156
30295032610,0sleep40-21swapper/400:29:384
2701654995924,23cyclictest0-21swapper/620:03:156
2701647995716,11cyclictest0-21swapper/523:53:155
2701607994218,21cyclictest0-21swapper/019:13:150
2701626993715,22cyclictest0-21swapper/223:08:152
2701626993715,22cyclictest0-21swapper/222:43:152
270162699369,27cyclictest28-21ksoftirqd/219:38:152
2701626993615,21cyclictest0-21swapper/220:23:152
2701626993610,26cyclictest28-21ksoftirqd/219:48:152
2701647993511,24cyclictest0-21swapper/500:04:595
2701626993514,21cyclictest0-21swapper/223:18:152
2701654993410,24cyclictest0-21swapper/620:56:586
2701647993410,24cyclictest0-21swapper/522:52:595
2701647993410,24cyclictest0-21swapper/519:17:585
2701634993410,24cyclictest0-21swapper/322:33:593
2701626993415,19cyclictest0-21swapper/219:28:152
2701614993410,24cyclictest0-21swapper/120:22:581
270164799339,24cyclictest0-21swapper/521:38:585
270164799339,24cyclictest0-21swapper/521:06:585
270163499339,24cyclictest0-21swapper/322:39:593
270165499328,24cyclictest0-21swapper/621:53:586
270165499327,24cyclictest3014596-21ssh00:15:596
2701607993231,1cyclictest97850irq/166-enp0s3121:25:580
270165499316,24cyclictest0-21swapper/623:51:596
270163499318,0cyclictest0-21swapper/323:57:593
2701662993014,15cyclictest0-21swapper/720:18:157
2701654993014,15cyclictest0-21swapper/623:48:156
2701647993014,15cyclictest0-21swapper/523:13:155
2701647993014,15cyclictest0-21swapper/519:53:155
270161499306,24cyclictest0-21swapper/120:04:581
270164799296,0cyclictest0-21swapper/522:15:595
2701647992913,15cyclictest0-21swapper/522:38:155
270163499295,24cyclictest0-21swapper/322:51:593
270163499295,24cyclictest0-21swapper/319:43:583
2701626992913,15cyclictest0-21swapper/221:28:152
270161499295,24cyclictest0-21swapper/119:10:581
2701614992914,15cyclictest0-21swapper/119:33:151
27912572280,0sleep20-21swapper/221:20:162
2701662992812,15cyclictest0-21swapper/721:08:157
2701662992812,15cyclictest0-21swapper/720:33:157
2701662992812,15cyclictest0-21swapper/700:38:157
270165499284,24cyclictest0-21swapper/620:44:596
270165499284,24cyclictest0-21swapper/620:44:586
2701614992812,15cyclictest0-21swapper/119:43:151
2701614992812,15cyclictest0-21swapper/119:18:151
2701607992812,14cyclictest0-21swapper/023:28:150
270164799273,24cyclictest0-21swapper/523:58:595
2701647992711,15cyclictest0-21swapper/521:03:155
270163499273,24cyclictest0-21swapper/320:15:583
2701626992711,15cyclictest0-21swapper/222:28:152
2701607992711,15cyclictest0-21swapper/021:43:150
30309272260,0sleep60-21swapper/600:30:126
270163499262,24cyclictest0-21swapper/322:57:593
270163499262,24cyclictest0-21swapper/322:00:583
270166299259,15cyclictest0-21swapper/720:53:157
2701647992524,1cyclictest2107-21gnome-shell21:20:585
2701647992524,1cyclictest2107-21gnome-shell20:06:585
2701640992525,0cyclictest0-21swapper/423:33:194
2701640992525,0cyclictest0-21swapper/423:33:194
270161499251,24cyclictest0-21swapper/120:17:581
270166299248,15cyclictest0-21swapper/721:18:157
2701654992423,1cyclictest2107-21gnome-shell21:57:586
2701647992423,1cyclictest2107-21gnome-shell22:25:585
270164099240,24cyclictest0-21swapper/421:30:584
270162699244,16cyclictest0-21swapper/222:03:152
270161499240,24cyclictest0-21swapper/121:03:581
270160799240,24cyclictest0-21swapper/000:36:580
28857232230,0sleep10-21swapper/122:35:121
2701662992322,1cyclictest2107-21gnome-shell00:03:597
270166299230,0cyclictest0-21swapper/722:05:587
270165499237,15cyclictest0-21swapper/623:38:156
270165499237,15cyclictest0-21swapper/623:23:156
270162699230,23cyclictest0-21swapper/221:32:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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