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2026-06-25 - 09:03
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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 Thu Jun 25, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502610,0irq/46-4a100000151382sleep019:05:480
7450890,0irq/46-4a10000026361-1kworker/u3:100:29:510
252982847,0sleep025322-21perl21:10:100
7450830,0irq/46-4a10000026055-1kworker/u3:121:15:400
15654998358,0cyclictest0-21swapper19:44:490
7450800,0irq/46-4a100000438-21snmpd23:01:170
7450790,0irq/46-4a1000007748-1kworker/u3:120:20:480
7450790,0irq/46-4a10000030314-21df_inode19:50:010
7450790,0irq/46-4a10000026592-21aten_r4power_cu00:24:490
7450790,0irq/46-4a10000022172sleep020:02:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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