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2026-08-09 - 20:34
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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: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Sun Aug 09, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114169915814,133cyclictest5064-21munin-node08:49:190
114169915515,129cyclictest18409-21munin-node12:49:280
114169915214,129cyclictest6189-21vmstat12:10:060
114169915214,127cyclictest3822-21iostat08:44:340
114169915114,128cyclictest15393-21ls12:39:390
114169915014,127cyclictest2290-21munin-node11:59:340
114169914915,124cyclictest26800-21ntpdc11:34:450
114169914815,122cyclictest7404-21munin-node12:14:440
114169914714,123cyclictest5212-21grep10:29:190
114169914714,123cyclictest19697-21munin-node11:14:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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