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2026-05-21 - 13:02
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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 rack7slot8.osadl.org (updated Wed May 20, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1190028570,11sleep011899-21/usr/sbin/munin07:05:330
125589917429,18cyclictest1408-21nginx09:43:400
125589917239,117cyclictest11350-21sshd11:20:110
125589917054,11cyclictest101ktimersoftd/009:50:280
125589916636,25cyclictest3650irq/20-4900000012:22:110
125589916532,29cyclictest10250irq/56-4a10000010:28:480
12558991638,22cyclictest25359-21apt-get08:02:160
125589916348,13cyclictest10150irq/55-4a10000008:17:090
125589916240,18cyclictest21413-21sshd07:43:100
125589916121,18cyclictest10016-21wget11:15:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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