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2026-03-22 - 12:41
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Sun Mar 22, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/024078-21kworker/0:018:58:440
300289815511cyclictest7590-21nfs_client19:33:590
300289815013cyclictest2458-21munin-node19:18:540
300289814713cyclictest22479-21munin-node23:54:030
300289814711cyclictest27598-21nfs_client00:09:000
14991330watchdog/032417-21kernelversion19:09:030
14991100watchdog/03019-21runrttasks22:30:470
2460501070irq/11-eth06785-21runrttasks21:16:560
14991020watchdog/09393-21timerandwakeup19:39:110
14991000watchdog/05417-21seq19:28:150
1499990watchdog/08825-21load21:23:470
1499990watchdog/03019-21runrttasks19:06:150
1499990watchdog/017739-21runrttasks21:53:270
246050980irq/11-eth030591-21unixbench_singl22:33:530
1499980watchdog/021901-21aten2.4_r3power20:19:150
1499970watchdog/023206-21aten2.4_r3power20:24:070
246050960irq/11-eth04151-21df21:08:470
1499960watchdog/03019-21runrttasks19:53:030
1499960watchdog/018785-21aten2.4_r3power21:54:150
1499950watchdog/022429-21latency_hist22:08:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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