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2026-06-26 - 17:17
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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 Fri Jun 26, 2026 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502690,0irq/46-4a100000292392sleep007:07:060
7350930,0irq/45-4a10000032106-1kworker/u3:108:54:430
29591999357,0cyclictest0-21swapper09:00:410
7450920,0irq/46-4a1000003800-1kworker/u3:010:40:330
7450920,0irq/46-4a10000026917-21/usr/sbin/munin08:34:480
29591999259,0cyclictest0-21swapper10:30:360
29591999258,0cyclictest0-21swapper11:34:520
29591999256,0cyclictest0-21swapper09:50:440
7450910,0irq/46-4a1000003475-21meminfo10:35:250
7450910,0irq/46-4a10000023864-21if_err_eth010:00:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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