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2025-08-27 - 21:43
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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 rackaslot0.osadl.org (updated Wed Aug 27, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182342880,1sleep318227-21sshd12:26:433
204082630,0sleep020386-21sshd12:02:240
76582610,1sleep27639-21sshd11:15:552
313582610,1sleep231325-21sshd10:26:362
190392600,0sleep219037-21bash10:54:512
62962590,1sleep06290-21sshd11:41:250
174442570,1sleep00-21swapper/011:25:470
124142550,1sleep212416-21id10:02:472
216752540,1sleep337-21rcuc/312:04:593
82512520,0sleep00-21swapper/012:11:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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