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2026-09-03 - 19:59
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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 Sep 03, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502720,0irq/46-4a10000017536-1kworker/u3:307:05:350
7350940,0irq/45-4a100000244162chrt10:10:300
26840999258,0cyclictest0-21swapper08:16:010
293172910,0sleep027567-1kworker/u3:207:15:290
26840999170,0cyclictest0-21swapper12:36:000
7350900,0irq/45-4a1000009379-21/usr/sbin/munin09:25:570
7350900,0irq/45-4a1000002795-21seq09:06:060
7350900,0irq/45-4a10000014401-21/usr/sbin/munin08:05:420
26840999058,0cyclictest0-21swapper07:10:410
7450890,0irq/46-4a100000438-21snmpd10:32:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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