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2026-05-24 - 18:13
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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 May 24, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502340,0irq/46-4a10000023185-1kworker/u3:006:59:280
129172950,0sleep011169-1kworker/u3:009:29:000
7350940,0irq/45-4a10000026694-1kworker/u3:208:08:140
7350940,0irq/45-4a10000015285-1kworker/u3:010:24:020
28682999457,0cyclictest0-21swapper09:54:360
28682999270,0cyclictest0-21swapper09:04:370
28682999260,0cyclictest0-21swapper09:19:510
67152919,0sleep0460-21snmpd09:09:350
7450900,0irq/46-4a10000029648-21sendmail_mailtr07:04:510
28682999059,0cyclictest0-21swapper07:59:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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