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2025-09-18 - 13:53
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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 rack4slot1.osadl.org (updated Thu Sep 18, 2025 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
679199609,44cyclictest25103-21ssh10:48:340
679199609,44cyclictest25103-21ssh10:48:340
6792995725,24cyclictest131rcu_preempt11:43:341
6792995725,24cyclictest131rcu_preempt11:43:341
679299571,42cyclictest29058-21ssh12:03:331
679299571,42cyclictest29058-21ssh12:03:331
679199543,42cyclictest5973-21ssh11:38:330
679199543,42cyclictest5973-21ssh11:38:330
679199543,42cyclictest5973-21ssh11:38:330
679299524,43cyclictest5772-21ssh12:13:331
679199492,38cyclictest29064-21ssh12:03:340
679199492,38cyclictest29064-21ssh12:03:340
679299474,33cyclictest1237-21ssh09:43:361
679299474,33cyclictest1237-21ssh09:43:361
679199474,37cyclictest10420-21ssh12:18:340
679199474,37cyclictest10420-21ssh12:18:340
679299452,36cyclictest20222-21sendmail-msp10:43:351
679299452,36cyclictest20222-21sendmail-msp10:43:351
679199435,27cyclictest38650irq/55-eth009:43:350
679199435,27cyclictest38650irq/55-eth009:43:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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