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2026-09-13 - 11:14
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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 Sun Sep 13, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502410,0irq/46-4a10000027209-1kworker/u3:219:07:200
7450950,0irq/46-4a10000030062-21chrt22:24:170
7450940,0irq/46-4a10000015389-21irqstats20:05:310
7450930,0irq/46-4a1000006765-21tune2fs19:40:230
7450930,0irq/46-4a10000025740-21memory22:10:380
7450930,0irq/46-4a10000013506-21diskstats23:10:190
7450920,0irq/46-4a1000009300-21sshd21:22:170
7450920,0irq/46-4a10000032564-21memory20:55:410
7450920,0irq/46-4a10000032542-21latency22:30:320
7450920,0irq/46-4a10000027442-21meminfo22:15:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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