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2023-11-28 - 12:16
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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 rackaslot0.osadl.org (updated Tue Nov 28, 2023 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1503321050,0sleep015030-21bash23:04:150
95272660,1sleep09515-21sshd23:54:570
95272660,1sleep09515-21sshd23:54:570
101282640,1sleep210115-21sshd22:58:442
216562620,0sleep10-21swapper/100:37:031
207272610,1sleep33210399cyclictest21:40:173
3173026024,18sleep30-21swapper/319:08:373
283882590,0sleep30-21swapper/323:51:153
283882590,0sleep30-21swapper/323:51:143
264562590,0sleep10-21swapper/100:18:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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