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2026-03-20 - 05:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Fri Mar 20, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911010,4ptp4l401ktimersoftd/320:02:383
106891640,1ptp4l401ktimersoftd/322:18:053
2789899621,3cyclictest0-21swapper/000:46:310
51522600,3sleep1231rcuc/123:57:311
215082580,1sleep10-21swapper/100:44:571
106891580,1ptp4l401ktimersoftd/323:01:083
34472550,3sleep32791899cyclictest01:32:283
293912550,2sleep20-21swapper/222:11:002
106891540,1ptp4l401ktimersoftd/323:34:033
27903995331,3cyclictest25-21ksoftirqd/101:24:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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