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2026-08-31 - 05:28
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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 Mon Aug 31, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93232970,1sleep09314-21bash22:28:440
195922730,0sleep40-21swapper/400:05:154
146192700,0sleep30-21swapper/323:57:373
297882690,0sleep40-21swapper/423:34:564
198212670,0sleep70-21swapper/700:34:107
211352540,1sleep721128-21sshd23:10:567
4892520,1sleep1466-21bash00:22:101
4892520,1sleep1466-21bash00:22:101
2281725027,8sleep20-21swapper/219:01:062
175782500,0sleep10-21swapper/121:08:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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