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2026-06-09 - 04:44
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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 10 highest latencies:
System rack3slot0.osadl.org (updated Tue Jun 09, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16679991262,49cyclictest756-21sshd22:11:130
12792900,0sleep10-21swapper/122:01:371
111972730,2sleep31668999cyclictest21:28:313
209902620,0sleep70-21swapper/700:02:137
1670599600,59cyclictest17212-21kworker/u16:322:11:135
15382520,0sleep00-21swapper/023:25:300
34132510,0sleep10-21swapper/122:24:041
125382510,2sleep01667999cyclictest00:09:190
16697995049,1cyclictest17646-21kworker/4:522:11:144
1637924925,8sleep50-21swapper/519:06:295
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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