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2023-09-28 - 19:19
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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 10 highest latencies:
System rackaslot8.osadl.org (updated Thu Sep 28, 2023 12:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
280372297230,20sleep20-21swapper/207:05:372
280732296251,29sleep30-21swapper/307:06:073
282092278246,20sleep00-21swapper/007:07:530
280462256221,23sleep10-21swapper/107:05:441
63672630,0sleep00-21swapper/012:35:440
61582590,0sleep00-21swapper/011:55:000
219122580,0sleep30-21swapper/310:05:593
322552570,0sleep30-21swapper/310:42:553
15282540,0sleep20-21swapper/211:51:012
97142530,0sleep10-21swapper/109:29:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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