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2026-05-04 - 09:05
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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 May 04, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
51772700,0sleep05137-21sshd23:06:000
289952570,1sleep228989-21sshd00:30:042
124252560,1sleep5758-21runrttasks21:48:365
304332530,0sleep70-21swapper/722:08:577
118132530,0sleep40-21swapper/400:19:254
271662510,1sleep727168-21grepconf.sh23:58:377
199412510,0sleep10-21swapper/122:23:561
86122500,0sleep40-21swapper/421:38:424
43062500,0sleep50-21swapper/522:59:565
1104625025,9sleep70-21swapper/719:06:397
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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