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2026-07-13 - 08:06
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackaslot8.osadl.org (updated Mon Jul 13, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242422311285,17sleep10-21swapper/119:06:381
241292307284,15sleep20-21swapper/219:05:262
243342280249,20sleep00-21swapper/019:07:490
243322255227,19sleep30-21swapper/319:07:483
13352660,0sleep20-21swapper/222:19:552
102092620,0sleep30-21swapper/320:55:583
84312580,0sleep10-21swapper/122:43:161
284192570,0sleep10-21swapper/100:13:431
311562530,0sleep10-21swapper/100:15:151
225822530,0sleep20-21swapper/221:14:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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