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2024-04-19 - 20:46
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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 rack1slot8.osadl.org (updated Fri Apr 19, 2024 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210629919654,1948cyclictest0-21swapper/007:11:160
2106299916842,58cyclictest0-21swapper/009:29:240
2106399759681,66cyclictest11192-21ssh09:29:241
208112562539,15sleep00-21swapper/007:07:520
208732508487,14sleep10-21swapper/107:08:291
2106399392331,46cyclictest0-21swapper/107:11:161
21062991295,117cyclictest0-21swapper/009:49:590
21062991099,93cyclictest0-21swapper/011:47:580
2496321030,2sleep1251rcuc/111:44:541
227799930,9rtkit-daemon0-21swapper/112:38:301
21062999314,61cyclictest0-21swapper/008:27:590
227799920,4rtkit-daemon2276-21rtkit-daemon11:37:431
227799920,4rtkit-daemon2276-21rtkit-daemon10:02:011
227799920,4rtkit-daemon2276-21rtkit-daemon09:51:561
227799910,11rtkit-daemon0-21swapper/109:18:051
227799900,8rtkit-daemon0-21swapper/107:25:191
227799890,9rtkit-daemon0-21swapper/110:38:171
227799860,19rtkit-daemon0-21swapper/109:41:101
227799860,10rtkit-daemon0-21swapper/111:12:131
227799850,14rtkit-daemon0-21swapper/108:07:501
227799850,14rtkit-daemon0-21swapper/108:07:491
227799840,7rtkit-daemon0-21swapper/109:21:551
227799840,4rtkit-daemon2276-21rtkit-daemon10:45:170
227799840,3rtkit-daemon2276-21rtkit-daemon11:06:520
227799830,21rtkit-daemon0-21swapper/110:43:431
227799830,21rtkit-daemon0-21swapper/110:43:421
227799830,13rtkit-daemon0-21swapper/109:04:151
227799830,12rtkit-daemon0-21swapper/110:46:521
227799830,11rtkit-daemon0-21swapper/109:31:101
21062998314,51cyclictest0-21swapper/008:40:590
227799820,9rtkit-daemon0-21swapper/110:53:081
227799820,3rtkit-daemon2276-21rtkit-daemon12:34:440
227799820,13rtkit-daemon0-21swapper/112:04:491
227799820,13rtkit-daemon0-21swapper/112:04:481
227799810,9rtkit-daemon0-21swapper/109:07:101
227799810,8rtkit-daemon0-21swapper/111:57:081
227799810,8rtkit-daemon0-21swapper/107:30:331
227799810,4rtkit-daemon2276-21rtkit-daemon09:05:200
227799810,13rtkit-daemon0-21swapper/111:05:371
227799810,12rtkit-daemon0-21swapper/112:32:541
227799810,12rtkit-daemon0-21swapper/108:04:391
227799810,12rtkit-daemon0-21swapper/107:35:341
227799800,9rtkit-daemon0-21swapper/107:47:501
227799800,8rtkit-daemon0-21swapper/107:42:591
227799800,40rtkit-daemon271ktimersoftd/112:27:551
227799800,3rtkit-daemon0-21swapper/112:24:291
227799800,12rtkit-daemon0-21swapper/110:10:111
227799790,9rtkit-daemon0-21swapper/108:31:401
227799790,8rtkit-daemon0-21swapper/108:52:351
227799790,4rtkit-daemon2276-21rtkit-daemon12:00:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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