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2024-07-21 - 07:25
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot5.osadl.org (updated Sun Jul 21, 2024 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2620219956412,551cyclictest0-21swapper/1123:59:493
26202199550550,0cyclictest443061-21kworker/11:0+events00:18:353
26202199539539,0cyclictest1181-21avahi-daemon22:34:353
2620199953732,504cyclictest0-21swapper/1021:43:352
261982995311,26cyclictest17-21ksoftirqd/021:20:120
2620199952721,505cyclictest0-21swapper/1001:08:132
2620199952219,27cyclictest114-21ksoftirqd/1023:33:132
2620199952214,508cyclictest114-21ksoftirqd/1022:46:122
2619929952016,504cyclictest0-21swapper/321:13:119
262019995197,44cyclictest0-21swapper/1000:31:132
2620199951958,460cyclictest0-21swapper/1001:14:492
2620199951915,44cyclictest0-21swapper/1000:25:492
262031995180,518cyclictest0-21swapper/1401:50:496
262031995180,518cyclictest0-21swapper/1401:50:496
2620299951813,504cyclictest0-21swapper/1323:56:135
2620199951814,503cyclictest0-21swapper/1023:02:352
262021995170,516cyclictest0-21swapper/1100:05:363
2620199951768,445cyclictest372312-21kworker/10:2+events22:52:132
2620199951655,0cyclictest1181-21avahi-daemon22:42:342
2620199951542,472cyclictest1181-21avahi-daemon21:05:132
2620199951541,473cyclictest0-21swapper/1022:29:372
2620199951541,473cyclictest0-21swapper/1020:59:352
2620199951523,489cyclictest0-21swapper/1001:07:332
26198599515515,0cyclictest187984-21kworker/1:1+events22:46:121
262031995130,512cyclictest0-21swapper/1400:48:356
2620299951351,461cyclictest0-21swapper/1323:01:135
2620259951321,490cyclictest0-21swapper/1201:32:114
262019995137,505cyclictest0-21swapper/1020:52:122
26201999513511,2cyclictest1131ktimers/1001:32:112
2620199951340,472cyclictest0-21swapper/1021:54:132
262019995127,504cyclictest114-21ksoftirqd/1022:09:122
262019995127,504cyclictest114-21ksoftirqd/1022:09:122
2620199951239,472cyclictest0-21swapper/1023:49:492
262015995129,503cyclictest0-21swapper/900:21:1215
2620199951137,474cyclictest1131ktimers/1023:10:352
2619859951021,488cyclictest0-21swapper/123:37:341
26203599509508,1cyclictest419632-21kworker/15:2+events23:49:347
262019995095,503cyclictest1121rcuc/1023:30:112
2620199950936,472cyclictest0-21swapper/1021:21:352
2620199950934,474cyclictest0-21swapper/1000:51:122
2620199950921,27cyclictest0-21swapper/1000:40:492
2620199950835,473cyclictest0-21swapper/1020:36:112
2620199950835,472cyclictest0-21swapper/1000:20:122
2620199950834,473cyclictest0-21swapper/1023:27:122
2620199950834,473cyclictest0-21swapper/1020:38:352
2620199950833,474cyclictest1181-21avahi-daemon20:55:352
26199299508508,0cyclictest435051-21kworker/3:1+events00:05:359
2620199950645,460cyclictest0-21swapper/1021:17:362
2620199950633,473cyclictest0-21swapper/1023:56:132
2620199950632,473cyclictest0-21swapper/1000:00:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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