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2024-11-22 - 10:04
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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 rackbslot1.osadl.org (updated Thu Nov 21, 2024 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33359312207183,14sleep00-21swapper/007:06:300
33359312207183,14sleep00-21swapper/007:06:300
33361142199175,14sleep20-21swapper/207:08:452
33361142199175,14sleep20-21swapper/207:08:452
33361732198167,22sleep10-21swapper/107:09:321
33361732198167,22sleep10-21swapper/107:09:321
33359232193164,19sleep30-21swapper/307:06:253
33359232193164,19sleep30-21swapper/307:06:253
34349192610,1chrt3434914-21apache_accesses09:00:113
333637199591,2cyclictest3451070-21ChromeDriver15:20:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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