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2026-04-05 - 16:59
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot2.osadl.org (updated Sun Apr 05, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501940,0irq/46-4a10000010541-21runrttasks07:05:400
7350940,0irq/45-4a10000019419-21irqstats09:06:370
287552930,0sleep028431-1kworker/u3:007:58:540
10651999358,0cyclictest0-21swapper12:21:370
10651999358,0cyclictest0-21swapper07:32:040
10651999271,0cyclictest0-21swapper11:06:580
10651999259,0cyclictest0-21swapper07:37:040
10651999257,0cyclictest0-21swapper08:36:590
7350910,0irq/45-4a1000006588-1kworker/u3:208:29:310
10651999157,0cyclictest0-21swapper07:46:350
10651999156,0cyclictest0-21swapper12:06:580
88162900,0sleep08332-1kworker/u3:111:46:140
7350900,0irq/45-4a10000013529-1kworker/u3:208:53:250
44862900,0sleep015126-1kworker/u3:208:22:010
18922907,0sleep01948-21/usr/sbin/munin11:26:100
10651999062,0cyclictest0-21swapper08:31:110
10651999058,0cyclictest0-21swapper08:01:330
10651999057,0cyclictest0-21swapper10:12:000
10651999057,0cyclictest0-21swapper08:17:010
10651999056,0cyclictest0-21swapper09:36:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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