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2025-11-30 - 15:58
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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 Nov 30, 2025 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502540,0irq/45-4a100000214092sleep007:05:120
7450950,0irq/46-4a10000017702-21df08:28:190
7450940,0irq/46-4a100000443-21snmpd10:23:500
7450940,0irq/46-4a10000027071-21timerwakeupswit08:54:010
7350940,0irq/45-4a10000019289-1kworker/u3:111:46:470
7350940,0irq/45-4a10000014898-21runrttasks09:53:560
7450930,0irq/46-4a1000003628-21munin-run07:47:570
7450930,0irq/46-4a10000012793-21sshd08:13:360
7350930,0irq/45-4a10000032563-1kworker/u3:209:14:010
7450920,0irq/46-4a1000006372-21chrt11:03:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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