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2026-08-06 - 12:08
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot4.osadl.org (updated Thu Aug 06, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
427212564,7sleep30-21swapper/319:07:563
32159211795,7sleep10-21swapper/119:05:211
327482113104,6sleep20-21swapper/219:06:022
327562111102,6sleep00-21swapper/019:06:080
309432690,0sleep00-21swapper/022:29:210
199702670,1sleep229-21rcuc/220:50:132
268582590,0sleep30-21swapper/322:40:183
205362580,0sleep10-21swapper/121:14:471
7222570,0sleep20-21swapper/220:05:162
47012570,1sleep10-21swapper/122:16:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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