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2026-06-23 - 21:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Tue Jun 23, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140180ksoftirqd/015923-21kworker/0:107:05:430
14991330watchdog/02792-21runrttasks11:31:450
14991320watchdog/012390-21missed_timers08:21:320
14991290watchdog/017211-21runrttasks08:37:320
14991250watchdog/030204-21df11:06:090
14991250watchdog/02792-21runrttasks09:07:520
14991240watchdog/04685-21munin-node09:41:320
14991230watchdog/022329-21sendmail_mailtr10:41:000
14991230watchdog/015476-21expr10:16:320
14991200watchdog/02792-21runrttasks11:05:130
14991200watchdog/02792-21runrttasks09:47:400
14991200watchdog/013483-21aten2.4_r3power10:11:160
14991180watchdog/06278-21aten2.4_r3power08:01:320
806501120irq/14-ide028331-40sh07:30:510
806501090irq/14-ide0319-21runrttasks11:14:120
2234501060irq/11-eth022777-21nfs_client12:26:190
806501040irq/14-ide0791-21df09:31:060
2234501020irq/11-eth010019-21munin-node08:16:060
2234501010irq/11-eth030106-21munin-node07:35:590
223450990irq/11-eth026779-21munin-node07:25:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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