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2025-12-12 - 08:58
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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 Dec 12, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140160ksoftirqd/019432-21kworker/0:218:51:430
14991290watchdog/02996-21runrttasks22:24:250
14991270watchdog/022080-21runrttasks20:34:530
14991270watchdog/014615-21ls23:41:290
14991260watchdog/04645-21latency21:22:090
14991260watchdog/010048-21munin-node21:41:450
14991220watchdog/08827-21df_inode23:21:530
14991210watchdog/05458-21mailstats19:41:410
14991190watchdog/0617-21latency_hist21:11:290
14991190watchdog/027028-21munin-node22:37:170
14991190watchdog/01598-21cstates19:27:130
14991160watchdog/02173-21latency_hist19:31:290
14991150watchdog/02996-21runrttasks23:41:250
14991150watchdog/024291-21munin-node18:56:530
14991140watchdog/07900-21chrt23:17:370
14991130watchdog/02996-21runrttasks23:33:050
14991120watchdog/03524-21seq21:19:370
14991120watchdog/018126-21unixbench_singl22:06:530
14991110watchdog/019863-21needreboot23:57:050
14991100watchdog/02996-21runrttasks21:39:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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