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2025-07-14 - 21:17
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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 rack4slot1.osadl.org (updated Mon Jul 14, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29117996211,38cyclictest6156-21ssh12:12:320
29117996211,38cyclictest6156-21ssh12:12:320
2911999543,41cyclictest24816-21ssh09:47:291
2911999524,10cyclictest131rcu_preempt12:27:291
2911999524,10cyclictest131rcu_preempt12:27:291
29119995232,13cyclictest21-21ksoftirqd/110:52:291
29119995232,13cyclictest21-21ksoftirqd/110:52:291
2911799502,42cyclictest22743-21snmpd11:37:330
2912099474,35cyclictest20011-21ssh11:07:302
29117994715,12cyclictest5626-21apt-get10:47:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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