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2025-12-15 - 04:34
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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 Mon Dec 15, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140170ksoftirqd/04510-21kworker/0:019:09:150
14991450watchdog/02504-21munin-node19:20:260
14991390watchdog/03019-21runrttasks21:12:260
14991300watchdog/031735-21timerandwakeup19:09:580
14991280watchdog/030425-21aten2.4_r3power00:20:140
14991260watchdog/03019-21runrttasks22:55:500
14991230watchdog/0176982sleep021:54:180
14991220watchdog/07213-21df23:05:100
14991220watchdog/03019-21runrttasks22:32:260
14991210watchdog/04136-21if_eth019:25:060
14991200watchdog/017592-21seq20:08:020
14991200watchdog/012443-21aten2.4-expect21:35:340
14991190watchdog/024263-21awk20:30:100
5664211711sleep05705-21df21:15:110
14991170watchdog/02917-21nfs_client00:35:260
14991170watchdog/020056-21needreboot20:15:260
14991170watchdog/019081-21runrttasks23:43:140
14991140watchdog/027794-21aten2.4_r3power22:25:260
823501130irq/14-ide06114-21nfs_client19:30:220
14991130watchdog/05878-21rt-features23:00:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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