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2026-05-14 - 16:24
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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 Thu May 14, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31132800,1sleep73112-21grep10:59:157
273552800,1sleep627340-21sshd09:54:596
155502740,1sleep515547-21systemd-cgroups10:04:035
129162710,1sleep73222199cyclictest11:14:537
290202580,1sleep029023-21bash10:04:460
324122570,0sleep50-21swapper/511:29:255
184922560,0sleep60-21swapper/612:01:066
61642540,0sleep10-21swapper/111:08:541
242182540,0sleep224215-21sshd12:28:332
131832510,0sleep40-21swapper/409:36:554
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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