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2026-03-08 - 03:25
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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 10 highest latencies:
System rack4slot1.osadl.org (updated Sat Mar 07, 2026 19:36:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1464427150,2sleep012-21ksoftirqd/019:11:520
1464427150,2sleep012-21ksoftirqd/019:11:520
140422790,2sleep114099-21ps19:11:381
140422790,2sleep114099-21ps19:11:381
1468499351,6cyclictest22313-21users19:31:440
1468499351,6cyclictest22313-21users19:31:440
1468499341,8cyclictest19502-21/usr/sbin/munin19:26:330
1468499341,8cyclictest19502-21/usr/sbin/munin19:26:330
1468499331,11cyclictest17460-21fschecks_time19:21:320
142142312,22sleep30-21swapper/319:11:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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