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2024-11-22 - 10:48
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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 rack1slot0.osadl.org (updated Wed Aug 03, 2022 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
839825835,7sleep10-21swapper/107:07:581
238772580,0sleep30-21swapper/307:45:193
81462570,0sleep28131-21sshd09:29:512
821825533,6sleep30-21swapper/307:06:063
687025443,7sleep00-21swapper/007:05:040
837225038,7sleep20-21swapper/207:07:462
298822280,9sleep395750irq/24-eno1-rx-09:24:033
51262170,0sleep35128-21bash09:14:253
867299154,3cyclictest33-21ksoftirqd/209:16:212
867299134,2cyclictest33-21ksoftirqd/209:11:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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