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2026-04-20 - 03:51
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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 Mon Apr 20, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911030,40ptp4l401ktimersoftd/320:20:063
31542740,4sleep233-21ksoftirqd/221:27:372
266522680,4sleep1205299cyclictest01:37:491
190002650,2sleep20-21swapper/222:01:302
167202600,4sleep1241ktimersoftd/101:27:251
2056995614,19cyclictest16627-21sh00:55:122
75772540,2sleep10-21swapper/123:40:011
19212540,3sleep1205299cyclictest22:26:381
99362530,2sleep20-21swapper/223:08:222
206799534,17cyclictest10251-21cat22:36:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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