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2026-05-08 - 08:41
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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 highest latencies:
System rack4slot1.osadl.org (updated Thu May 07, 2026 19:21:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62227780,2sleep227-21ksoftirqd/219:12:472
62227780,2sleep227-21ksoftirqd/219:12:472
58327150,2sleep012-21ksoftirqd/019:12:450
58327150,2sleep012-21ksoftirqd/019:12:450
58421530,3sleep10-21swapper/119:12:461
58421530,3sleep10-21swapper/119:12:461
5802254,15sleep30-21swapper/319:12:443
5802254,15sleep30-21swapper/319:12:443
954992211,9cyclictest1569-21munin-node19:17:312
954992211,9cyclictest1569-21munin-node19:17:312
95299201,16cyclictest3367-21latency_hist19:22:211
95299201,16cyclictest3367-21latency_hist19:22:211
94699201,16cyclictest27133-21snmpd19:17:440
94699201,16cyclictest27133-21snmpd19:17:440
95599121,8cyclictest1922-21taskset19:17:353
95599121,8cyclictest1922-21taskset19:17:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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