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2026-06-25 - 08:47
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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 rack4slot1.osadl.org (updated Thu Jun 25, 2026 00:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69621500,4sleep20-21swapper/219:45:372
69621500,4sleep20-21swapper/219:45:372
69621500,4sleep20-21swapper/219:45:372
1692921460,2sleep30-21swapper/322:50:063
1692921460,2sleep30-21swapper/322:50:063
1692921460,2sleep30-21swapper/322:50:063
875721030,3sleep00-21swapper/022:39:180
875721030,3sleep00-21swapper/022:39:180
875721030,3sleep00-21swapper/022:39:180
77422950,2chrt131rcu_preempt23:56:031
77422950,2chrt131rcu_preempt23:56:031
77422950,2chrt131rcu_preempt23:56:031
216312930,7sleep1131rcu_preempt19:10:561
211392900,3sleep021189-21/usr/sbin/munin19:10:520
306372840,3sleep10-21swapper/121:05:501
306372840,3sleep10-21swapper/121:05:501
274822810,3chrt0-21swapper/120:55:531
274822810,3chrt0-21swapper/120:55:531
9292780,3sleep30-21swapper/322:29:123
9292780,3sleep30-21swapper/322:29:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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