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2025-12-13 - 02:02
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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 Fri Dec 12, 2025 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1782821010,1sleep217825-21sshd23:35:222
75332890,1sleep010-21rcuc/022:59:440
274752860,0sleep127462-21sshd21:37:251
2799625825,19sleep20-21swapper/219:08:182
218772570,0sleep30-21swapper/323:16:463
2787725632,20sleep30-21swapper/319:06:513
2599225633,19sleep00-21swapper/019:05:040
245822560,1sleep024569-21sshd00:26:570
98622550,0sleep11664-21sshd22:02:211
49542550,0sleep30-21swapper/321:19:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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