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2026-05-07 - 17:20
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot2.osadl.org (updated Thu May 07, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502040,0irq/45-4a1000003605-21kworker/0:307:03:500
57889911379,0cyclictest0-21swapper11:00:330
57889910774,0cyclictest0-21swapper08:00:340
57889910673,0cyclictest0-21swapper11:40:020
5788999979,0cyclictest22982-21/usr/sbin/munin07:55:040
5788999779,0cyclictest24834-21/usr/sbin/munin11:10:130
5788999777,0cyclictest30521-21users08:15:400
5788999576,0cyclictest15776-21/usr/sbin/munin10:45:200
5788999576,0cyclictest10618-21sed12:04:420
5788999476,0cyclictest5551-21/usr/sbin/munin10:14:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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