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2025-11-19 - 21:22
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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 20 highest latencies:
System rackcslot4.osadl.org (updated Wed Nov 19, 2025 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12460812269187,28sleep00-21swapper/007:08:480
12459032266222,28sleep10-21swapper/107:06:551
125899660,1rtkit-daemon1257-21rtkit-daemon10:30:101
125899580,4rtkit-daemon1257-21rtkit-daemon12:12:421
125899580,3rtkit-daemon1257-21rtkit-daemon08:09:381
12829862560,5sleep10-21swapper/108:40:001
125899550,4rtkit-daemon1257-21rtkit-daemon12:28:310
125899550,3rtkit-daemon0-21swapper/008:23:370
125899540,4rtkit-daemon1257-21rtkit-daemon11:48:021
124632899526,13cyclictest1310070-21sed09:30:010
124632899525,11cyclictest1252780-21date07:25:000
125899510,5rtkit-daemon1257-21rtkit-daemon09:58:080
125899510,3rtkit-daemon1257-21rtkit-daemon10:43:550
125899510,3rtkit-daemon1257-21rtkit-daemon10:43:550
124632899517,14cyclictest1265109-21find07:55:130
12977962500,5sleep00-21swapper/009:13:170
125899500,4rtkit-daemon1257-21rtkit-daemon10:08:100
125899500,3rtkit-daemon1257-21rtkit-daemon10:23:021
125899500,3rtkit-daemon1257-21rtkit-daemon07:45:261
125899500,3rtkit-daemon0-21swapper/011:03:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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