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2023-09-23 - 09:43
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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 rackeslot0.osadl.org (updated Sat Sep 23, 2023 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
488099654650,3cyclictest0-21swapper/521:07:415
48809958662,523cyclictest32421-21apt-config22:05:315
48769956738,34cyclictest21145-21apt-config22:37:521
488199562439,122cyclictest9421-21run-parts21:42:146
48769956034,34cyclictest9955-21update-motd-hwe00:16:021
48769954829,518cyclictest0-21swapper/123:10:441
48769954827,520cyclictest0-21swapper/123:04:421
48769954615,36cyclictest18809-21apt-config00:06:241
48789954548,493cyclictest23000-21apt-config23:34:033
48769954513,36cyclictest17985-2191-release-upgr22:48:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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