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2026-05-23 - 23:25
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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 Sat May 23, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
508421620,3sleep12126499cyclictest09:10:031
1842721530,2sleep02125799cyclictest11:49:440
1068911450,35ptp4l401ktimersoftd/308:37:103
98552880,1sleep00-21swapper/013:19:420
209582860,2sleep10-21swapper/111:19:261
294772650,4sleep129484-21irqrtprio12:00:051
21270996349,8cyclictest33-21ksoftirqd/212:39:582
211382624,10sleep10-21swapper/108:39:241
21275996153,4cyclictest41-21ksoftirqd/312:09:583
106891600,1ptp4l401ktimersoftd/313:38:153
90142590,2sleep00-21swapper/012:45:050
106891580,1ptp4l401ktimersoftd/313:34:423
106891580,1ptp4l401ktimersoftd/311:03:463
21275995746,6cyclictest41-21ksoftirqd/311:04:573
148622570,4sleep125-21ksoftirqd/112:18:361
148622570,4sleep125-21ksoftirqd/112:18:361
54032560,2sleep20-21swapper/213:14:582
322312540,2sleep20-21swapper/212:03:032
21275995342,5cyclictest41-21ksoftirqd/308:44:523
21275995342,5cyclictest41-21ksoftirqd/308:44:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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