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2025-05-09 - 05:54
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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 May 09, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502480,0irq/46-4a10000029117-1kworker/u3:118:56:110
294719912551,0cyclictest0-21swapper19:39:520
29471998659,0cyclictest0-21swapper21:19:090
29471998554,0cyclictest0-21swapper23:38:260
7350840,0irq/45-4a10000028440-21chrt20:28:330
7350840,0irq/45-4a10000010241-21meminfo00:19:490
7350830,0irq/45-4a100000896-21apt-get23:54:340
7350830,0irq/45-4a1000004367-21munin-run20:53:190
29471998358,0cyclictest0-21swapper22:43:280
7350820,0irq/45-4a10000019758-21apt-get20:04:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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