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2026-07-27 - 14:10
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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 rackaslot0.osadl.org (updated Mon Jul 27, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234312860,4sleep03-21ksoftirqd/022:06:140
279722580,1sleep227953-21fschecks_time23:35:182
27102570,0sleep337-21rcuc/323:50:463
130502570,1sleep01734-21runrttasks23:37:160
300022560,5sleep121-21ksoftirqd/121:44:561
300022560,5sleep121-21ksoftirqd/121:44:561
246312560,0sleep20-21swapper/222:10:132
93382550,1sleep114468-21diskmemload00:13:501
260022550,1sleep00-21swapper/023:53:300
92102540,1sleep30-21swapper/321:38:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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