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2026-04-05 - 21:59
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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 rack7slot8.osadl.org (updated Sun Apr 05, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14427219322,57sleep014425-21diskstats19:05:240
154009917938,31cyclictest10250irq/56-4a10000023:42:240
15400991637,24cyclictest24671-40ogrotate00:00:020
154009916019,20cyclictest8484-21latency_hist22:55:040
154009915942,27cyclictest0-21swapper/019:30:230
154009915810,21cyclictest19627-21ntp_states19:25:420
15400991579,15cyclictest728-21apt-get20:18:220
154009915749,13cyclictest10150irq/55-4a10000022:35:400
154009915648,14cyclictest10150irq/55-4a10000019:40:010
154009915631,28cyclictest3650irq/20-4900000021:32:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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