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2026-07-13 - 23:26
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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 Mon Jul 13, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502380,0irq/46-4a10000028116-1kworker/u3:107:06:080
30813999574,0cyclictest0-21swapper07:24:310
30813999573,0cyclictest0-21swapper09:14:590
30813999465,0cyclictest0-21swapper11:54:470
7450930,0irq/46-4a1000007468-21munin-run07:33:570
30813999373,0cyclictest0-21swapper10:29:420
30813999369,0cyclictest0-21swapper08:14:120
7450920,0irq/46-4a1000002334-21munin-run08:53:570
7450920,0irq/46-4a10000022491-1kworker/u3:011:28:360
7450920,0irq/46-4a10000016017-21sendmail-msp07:58:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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