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2026-06-07 - 03:55
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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 Sat Jun 06, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298142700,0sleep329817-21systemd-cgroups21:54:583
298142700,0sleep329817-21systemd-cgroups21:54:583
3188925746,8sleep70-21swapper/719:06:547
96832540,0sleep30-21swapper/321:08:363
309142540,1sleep330911-21sshd00:24:193
201752540,0sleep70-21swapper/722:52:127
201752540,0sleep70-21swapper/722:52:127
2951525139,8sleep50-21swapper/519:03:245
3192724926,8sleep00-21swapper/019:07:270
313522480,1sleep431354-21sshd23:54:254
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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