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2026-07-21 - 02:44
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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 Tue Jul 21, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502340,0irq/46-4a10000025432-1kworker/u3:019:08:150
271959913136,0cyclictest10313-21seq19:50:500
271959912733,0cyclictest21363-21seq20:24:010
271959912629,0cyclictest27563-21runrttasks23:52:260
271959912536,0cyclictest31931-21/usr/sbin/munin00:04:210
271959912442,0cyclictest0-21swapper00:19:100
271959912440,0cyclictest0-21swapper21:59:040
271959912433,0cyclictest8725-21runrttasks22:56:560
271959912431,0cyclictest4504-21/usr/sbin/munin22:44:160
271959912431,0cyclictest20850-21runrttasks21:58:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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