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2025-11-21 - 09:19
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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 Fri Nov 21, 2025 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8156612135116,4sleep50-21swapper/519:05:175
8177399910036,38cyclictest0-21swapper/523:53:145
81747129644,13sleep60-21swapper/619:09:216
817739999329,35cyclictest0-21swapper/500:03:135
10790892930,0sleep30-21swapper/323:35:253
9580322920,0sleep00-21swapper/022:00:140
81685028643,12sleep00-21swapper/019:05:290
9107602840,0sleep335-21ksoftirqd/321:23:013
817754998417,37cyclictest0-21swapper/722:33:137
817754998416,37cyclictest0-21swapper/722:08:147
8416432830,0sleep40-21swapper/419:45:154
81741928345,32sleep10-21swapper/119:08:351
817754998014,36cyclictest0-21swapper/723:08:147
9615992790,0sleep50-21swapper/522:03:245
9384292790,0sleep50-21swapper/521:45:135
817754997914,37cyclictest0-21swapper/719:23:137
817739997814,35cyclictest0-21swapper/522:18:145
9833372750,0sleep00-21swapper/022:20:170
9763122750,0sleep10-21swapper/122:15:131
817733997315,34cyclictest0-21swapper/400:38:134
81535427351,19sleep30-21swapper/319:05:163
817733997215,36cyclictest0-21swapper/420:58:134
9286302710,1sleep121-21ksoftirqd/121:36:281
8374452710,1sleep335-21ksoftirqd/319:40:003
8374452710,1sleep335-21ksoftirqd/319:40:003
81771799710,40cyclictest0-21swapper/219:58:132
81751827144,13sleep40-21swapper/419:09:584
10110092710,0sleep40-21swapper/422:41:534
817733997016,35cyclictest0-21swapper/421:43:144
81738027044,13sleep70-21swapper/719:08:007
11367052700,0sleep10-21swapper/100:21:061
10506662690,0sleep70-21swapper/723:14:247
817733996816,38cyclictest0-21swapper/421:23:134
81722726647,13sleep20-21swapper/219:06:102
81771799621,26cyclictest0-21swapper/223:43:132
10667582620,0sleep30-21swapper/323:25:253
81774799608,19cyclictest0-21swapper/619:13:146
817717994114,27cyclictest0-21swapper/223:28:132
817747993910,29cyclictest56-21ksoftirqd/600:18:146
817700993715,22cyclictest0-21swapper/020:08:130
81774799369,27cyclictest56-21ksoftirqd/621:33:146
81774799358,27cyclictest56-21ksoftirqd/621:58:146
817747993514,21cyclictest0-21swapper/622:53:136
817733993511,24cyclictest0-21swapper/419:37:594
817733993511,24cyclictest0-21swapper/419:37:594
817700993515,20cyclictest0-21swapper/019:33:140
817700993515,20cyclictest0-21swapper/000:28:130
817717993410,24cyclictest0-21swapper/223:32:582
81773399339,24cyclictest0-21swapper/420:45:594
81773399339,24cyclictest0-21swapper/400:00:584
81770699339,24cyclictest0-21swapper/121:57:581
81773399328,24cyclictest0-21swapper/421:47:594
81772599328,24cyclictest0-21swapper/321:05:593
81771799329,0cyclictest0-21swapper/223:51:592
81772599310,31cyclictest0-21swapper/322:33:133
81771799317,24cyclictest0-21swapper/220:34:582
817754993014,15cyclictest0-21swapper/700:23:137
817739993014,15cyclictest0-21swapper/521:28:135
817739993014,15cyclictest0-21swapper/519:53:145
817739993014,15cyclictest0-21swapper/500:13:135
817717993014,15cyclictest0-21swapper/219:38:132
817717993014,15cyclictest0-21swapper/219:38:132
81770699306,24cyclictest0-21swapper/122:41:591
81770699306,24cyclictest0-21swapper/120:44:591
817706993014,15cyclictest0-21swapper/123:18:131
817700993017,13cyclictest0-21swapper/019:48:130
817739992913,15cyclictest0-21swapper/523:03:135
817725992913,15cyclictest0-21swapper/320:33:143
817725992913,15cyclictest0-21swapper/320:23:133
817706992913,15cyclictest0-21swapper/119:28:131
817700992913,15cyclictest0-21swapper/020:38:130
8953422280,0sleep10-21swapper/121:10:181
817747992812,15cyclictest0-21swapper/623:58:136
81773399284,24cyclictest0-21swapper/421:14:594
81773399284,24cyclictest0-21swapper/420:38:584
817717992812,15cyclictest0-21swapper/220:18:142
817747992711,15cyclictest0-21swapper/600:08:136
817739992711,15cyclictest0-21swapper/521:18:135
81772599273,24cyclictest0-21swapper/322:28:593
81772599273,24cyclictest0-21swapper/322:28:583
81772599273,24cyclictest0-21swapper/321:35:593
81771799273,24cyclictest0-21swapper/222:15:582
81770099274,0cyclictest0-21swapper/000:38:580
81770099273,24cyclictest0-21swapper/023:30:590
81770099273,24cyclictest0-21swapper/021:27:590
817754992610,15cyclictest0-21swapper/722:23:147
81770699263,0cyclictest0-21swapper/119:24:581
817706992610,15cyclictest0-21swapper/120:53:131
817700992610,15cyclictest0-21swapper/019:18:130
81775499259,15cyclictest0-21swapper/720:48:147
81774799259,15cyclictest0-21swapper/600:33:136
81774799251,24cyclictest0-21swapper/623:21:586
817739992525,0cyclictest0-21swapper/500:20:435
81772599251,24cyclictest0-21swapper/323:12:583
81770699259,15cyclictest893233-21diskmemload22:28:131
81770699259,15cyclictest893233-21diskmemload22:28:131
81770099251,24cyclictest0-21swapper/000:30:580
11368192250,1sleep335-21ksoftirqd/300:21:153
81774799248,15cyclictest0-21swapper/623:33:146
81773399248,15cyclictest0-21swapper/421:53:134
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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