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2026-05-30 - 00:33
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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 Fri May 29, 2026 12:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140200ksoftirqd/06885-21kworker/0:107:04:320
14991360watchdog/031555-21munin-node10:13:000
14991300watchdog/02198-21munin-node10:23:080
14991290watchdog/0707-21mailstats10:17:400
2234501130irq/11-eth022235-21latency_hist11:27:290
2234501110irq/11-eth023863-21mailstats11:32:400
806501060irq/14-ide030468-21nfs_client10:07:580
2234501050irq/11-eth010798-21cstates10:48:120
2234501040irq/11-eth021595-21cstates11:23:110
14991040watchdog/09679-21runrttasks12:31:200
2234501030irq/11-eth017244-21latency_hist09:27:290
2234501010irq/11-eth021358-21nfs_client07:37:590
14991010watchdog/023954-21chrt07:48:080
2234501000irq/11-eth05575-21awk12:17:500
223450990irq/11-eth0416-21latency_hist08:27:290
223450980irq/11-eth09632-21chrt10:46:000
1499980watchdog/02792-21runrttasks10:37:200
1499980watchdog/027603-21interrupts08:03:080
1499980watchdog/012017-21expr09:08:120
1499960watchdog/02792-21runrttasks07:08:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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