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2026-04-20 - 06:15
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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 Mon Apr 20, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502650,0irq/46-4a10000012-21ksoftirqd/019:01:070
320619912745,0cyclictest4190-21/usr/sbin/munin00:00:510
320619912330,0cyclictest18076-21ntpdc19:56:080
320619912133,0cyclictest9543-21ntpq19:31:090
320619912132,0cyclictest30416-21sshd20:31:210
320619912131,0cyclictest19503-21tune2fs20:00:470
320619912112,0cyclictest6498-21sshd00:06:210
320619912110,0cyclictest17907-21runrttasks23:05:560
320619912034,0cyclictest22985-21/usr/sbin/munin20:10:560
320619912030,0cyclictest4262-21chrt19:15:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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