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2024-07-27 - 04:04
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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 rack3slot0.osadl.org (updated Sat Jul 27, 2024 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196492770,2sleep52711799cyclictest22:04:105
184472640,11sleep213650irq/24-ahci[00000:30:392
252202590,0sleep60-21swapper/622:32:306
286862540,0sleep10-21swapper/100:25:091
246992530,0sleep50-21swapper/522:13:555
2448825127,8sleep70-21swapper/719:00:357
189702510,0sleep50-21swapper/500:04:475
293532500,0sleep70-21swapper/721:43:307
180692500,0sleep718068-21systemd-cgroups22:38:007
2668524825,8sleep00-21swapper/019:01:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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