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2026-05-21 - 11:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Thu May 21, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24916993121860,0cyclictest435-21sh00:01:500
249169928752668,0cyclictest0-21swapper00:00:540
24916992863604,0cyclictest0-21swapper23:20:560
24916992731529,0cyclictest1603-21cron21:00:590
24916992618266,0cyclictest20074-1kworker/0:1H20:55:590
24916992591208,0cyclictest20074-1kworker/0:1H20:00:590
24916992545552,0cyclictest9-21ksoftirqd/000:15:590
24916992535532,0cyclictest2811-21latency_hist22:35:580
24916992451106,0cyclictest20074-1kworker/0:1H21:25:590
24916992418615,0cyclictest32083-21munin-node19:21:000
24916992385659,0cyclictest1595-21jbd2/hda3-821:56:000
24916992374233,0cyclictest20074-1kworker/0:1H23:25:590
24916992367721,0cyclictest9-21ksoftirqd/023:20:590
24916992356629,0cyclictest9-21ksoftirqd/021:15:580
24916992342328,0cyclictest22525-1kworker/0:0H00:20:590
24916992327267,0cyclictest20074-1kworker/0:1H20:45:590
24916992319501,0cyclictest0-21swapper22:15:580
24916992312644,0cyclictest25324-21munin-node20:35:580
24916992309222,0cyclictest20074-1kworker/0:1H19:00:540
24916992307691,0cyclictest6749-21munin-node19:40:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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