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2026-04-09 - 05:27
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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 Apr 09, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501930,0irq/46-4a1000001537-21runrttasks19:04:060
115182960,0sleep09425-1kworker/u3:021:06:200
7450940,0irq/46-4a10000021698-21tune2fs23:11:120
7450930,0irq/46-4a1000004037-1kworker/u3:020:50:360
7450930,0irq/46-4a10000027001-21meminfo23:26:260
7450920,0irq/46-4a1000004235-21/usr/sbin/munin19:11:170
7450920,0irq/46-4a10000020945-21seq23:09:200
7450920,0irq/46-4a1000001773-21cat20:36:420
7450920,0irq/46-4a10000016490-21sshd22:56:130
7450920,0irq/46-4a10000016270-21seq00:30:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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