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2025-11-27 - 00:24
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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 Wed Nov 26, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2854921460,3sleep13263199cyclictest13:35:561
1442221370,4sleep0101ktimersoftd/010:45:040
177391990,4ptp4l401ktimersoftd/308:15:213
29612710,4sleep23263799cyclictest13:45:042
32642996957,6cyclictest41-21ksoftirqd/310:39:583
32642996656,6cyclictest41-21ksoftirqd/313:05:033
177391660,1ptp4l401ktimersoftd/313:35:153
32642996551,6cyclictest41-21ksoftirqd/308:54:583
324942644,10sleep00-21swapper/008:19:200
32642996350,6cyclictest41-21ksoftirqd/313:30:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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