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2026-01-05 - 05:38
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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 rack4slot4.osadl.org (updated Mon Jan 05, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308652640chrt46650irq/116-QMan10:48:553
308652640chrt46650irq/116-QMan10:48:553
262392570chrt46450irq/118-QMan10:48:552
262392570chrt46450irq/118-QMan10:48:552
1599520migration/030401-21/usr/sbin/munin19:05:560
1599520migration/030401-21/usr/sbin/munin19:05:560
71450rcu_preempt0-21swapper/119:10:311
71450rcu_preempt0-21swapper/119:10:311
3081199444cyclictest0-21swapper/323:00:543
3081199444cyclictest0-21swapper/323:00:543
3081199434cyclictest0-21swapper/321:53:273
3081199434cyclictest0-21swapper/321:53:273
3081199434cyclictest0-21swapper/319:25:503
3081199434cyclictest0-21swapper/319:25:503
3081199431cyclictest29515-21ls21:00:543
3081199431cyclictest29515-21ls21:00:543
3081199431cyclictest29515-21ls21:00:543
3081199423cyclictest17846-21munin-run20:20:293
3081199423cyclictest17846-21munin-run20:20:293
3081199423cyclictest0-21swapper/322:41:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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