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2026-09-08 - 23:11
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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 Sep 08, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502200,0irq/46-4a10000017903-1kworker/u3:107:05:440
19884999659,0cyclictest0-21swapper08:10:390
7450930,0irq/46-4a10000012194-21wget11:29:590
7450920,0irq/46-4a10000022887-21interrupts10:25:230
7350920,0irq/45-4a1000003399-1kworker/u3:111:06:110
7450910,0irq/46-4a1000009169-1kworker/u3:211:24:260
7450910,0irq/46-4a1000005556-21df_inode09:35:110
7450910,0irq/46-4a1000005130-1kworker/u3:211:14:160
7450910,0irq/46-4a1000004156-21nfs_client07:55:340
7450910,0irq/46-4a10000029629-21sort09:10:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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