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2026-07-01 - 22:49
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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 10 highest latencies:
System rack4slot2.osadl.org (updated Wed Jul 01, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502360,0irq/46-4a1000008864-1kworker/u3:007:08:510
9971999258,0cyclictest0-21swapper09:05:130
7350910,0irq/45-4a10000012688-21/usr/sbin/munin11:59:520
9971999058,0cyclictest0-21swapper12:10:190
9971999058,0cyclictest0-21swapper07:45:060
9971999057,0cyclictest0-21swapper12:29:480
9971999057,0cyclictest0-21swapper08:15:240
9971999057,0cyclictest0-21swapper07:40:200
9971999057,0cyclictest0-21swapper07:15:420
9971999056,0cyclictest0-21swapper07:50:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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