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2026-04-21 - 03:52
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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 10 highest latencies:
System rack3slot7.osadl.org (updated Tue Apr 21, 2026 00:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140220ksoftirqd/013451-21kworker/0:119:07:120
3140020ksoftirqd/013451-21kworker/0:119:10:000
194059814614cyclictest29394-21nfs_client21:25:290
14991380watchdog/019864-21df_inode22:40:220
14991370watchdog/02792-21runrttasks00:12:580
14991340watchdog/013608-21sh00:05:180
14991320watchdog/012200-21sed22:15:220
14991310watchdog/026382-21munin-node23:00:340
14991300watchdog/02792-21runrttasks20:28:370
14991270watchdog/021425-21df_inode00:30:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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