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2026-06-04 - 05:26
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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 rack5slot0.osadl.org (updated Thu Jun 04, 2026 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1767721410,0sleep117678-21bash00:17:571
243321290,3sleep2590899cyclictest22:31:222
3120621260,1sleep00-21swapper/022:34:330
463821210,4sleep3590999cyclictest21:59:183
2943721140,2sleep10-21swapper/121:40:321
16292960,2sleep30-21swapper/322:46:113
151552950,1sleep00-21swapper/023:48:160
145812910,4sleep10-21swapper/122:43:591
246832900,2sleep30-21swapper/323:17:203
74342890,2sleep20-21swapper/200:20:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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