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2026-01-09 - 05:03
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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 20 highest latencies:
System rackbslot6.osadl.org (updated Fri Jan 09, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
994421900,2sleep20-21swapper/219:20:252
1290921330,5sleep31186299cyclictest22:05:293
1068911100,4ptp4l401ktimersoftd/319:20:333
326292830,2sleep10-21swapper/121:51:061
326292830,2sleep10-21swapper/121:51:061
137012830,4sleep013688-21apt-get00:50:310
11862996625,17cyclictest41-21ksoftirqd/321:50:353
11862996625,17cyclictest41-21ksoftirqd/321:50:353
322212600,1sleep30-21swapper/322:57:163
240982590,4sleep09-21ksoftirqd/021:43:140
97862570,4sleep11185199cyclictest20:25:301
229522560,4sleep222926-21ssh23:20:402
106891560,1ptp4l401ktimersoftd/321:27:253
39122540,3sleep31186299cyclictest00:06:503
11857995342,6cyclictest33-21ksoftirqd/223:35:272
11857995342,6cyclictest33-21ksoftirqd/223:35:272
11862995222,7cyclictest41-21ksoftirqd/320:45:403
11862995218,9cyclictest41-21ksoftirqd/323:59:013
11862995122,9cyclictest41-21ksoftirqd/322:00:343
11862995120,7cyclictest41-21ksoftirqd/321:31:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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