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2025-11-14 - 21:04
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack9slot4.osadl.org (updated Fri Nov 14, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23577111779sleep0-21swapper/120:42:471
15991090watchdog/022851-21/usr/sbin/munin20:42:290
236729910610cyclictest0-21swapper/002:06:220
23672999371cyclictest0-21swapper/001:11:210
23672999210cyclictest0-21swapper/023:58:110
2367299919cyclictest0-21swapper/001:49:470
2367299919cyclictest0-21swapper/001:49:470
2367299918cyclictest0-21swapper/023:34:440
2367299918cyclictest0-21swapper/022:48:480
2367299918cyclictest0-21swapper/022:48:480
2367299918cyclictest0-21swapper/020:48:270
23672999171cyclictest0-21swapper/023:10:470
23672999113cyclictest0-21swapper/001:14:480
2367299908cyclictest0-21swapper/023:21:430
2367299908cyclictest0-21swapper/001:03:020
23672999071cyclictest0-21swapper/021:46:160
7050890irq/18-mmc12367299cyclictest02:08:090
2367299897cyclictest0-21swapper/021:02:510
23672998914cyclictest0-21swapper/002:02:480
2367299889cyclictest0-21swapper/020:43:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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