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2026-08-24 - 11:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Mon Aug 24, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2093099328124,0cyclictest0-21swapper23:55:020
20930992622661,0cyclictest29644-21ls20:55:060
20930992601669,0cyclictest7101-21munin-node22:55:060
20930992596530,0cyclictest9-21ksoftirqd/021:20:060
20930992570520,0cyclictest9-21ksoftirqd/022:40:060
20930992438245,0cyclictest26405-1kworker/0:1H20:50:060
20930992417427,0cyclictest1595-21jbd2/hda3-819:00:080
20930992402610,0cyclictest9-21ksoftirqd/019:40:070
20930992398625,0cyclictest4020-21latency_hist21:15:050
20930992380661,0cyclictest19365-21latency_hist23:30:060
20930992379198,0cyclictest26405-1kworker/0:1H21:30:050
20930992372217,0cyclictest26405-1kworker/0:1H00:15:060
20930992370558,0cyclictest0-21swapper23:15:060
20930992365667,0cyclictest9-21ksoftirqd/000:00:060
20930992361574,0cyclictest16435-21latency_hist21:50:060
20930992356308,0cyclictest26405-1kworker/0:1H22:20:060
20930992353200,0cyclictest26405-1kworker/0:1H23:20:060
20930992350590,0cyclictest0-21swapper23:35:060
20930992343607,0cyclictest9-21ksoftirqd/020:40:060
2093099234083,0cyclictest0-21swapper23:48:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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