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2025-12-09 - 09:18
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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 rack9slot4.osadl.org (updated Tue Dec 09, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170751303283sleep0-21swapper/100:09:441
173019912534cyclictest0-21swapper/002:45:320
173019912534cyclictest0-21swapper/002:45:320
173019912040cyclictest26253-21ssh02:15:310
173019911243cyclictest19637-21latency_hist03:00:010
173019911239cyclictest480-21systemd-journal02:20:270
173019911139cyclictest12867-21latency_hist01:39:590
173019911139cyclictest12867-21latency_hist01:39:590
173019911132cyclictest29739-21latency_hist00:49:570
173019910942cyclictest304-21snmpd05:15:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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