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2026-07-05 - 03:42
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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 20 highest latencies:
System rack5slot7.osadl.org (updated Sun Jul 05, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23206224662228,88sleep00-21swapper19:03:410
232579917118,126cyclictest28075-21apt-get23:24:110
232579916917,125cyclictest31523-21apt-get23:34:100
232579916615,114cyclictest775-21apt-get23:39:140
232579916521,121cyclictest22108-21users23:05:360
232579916518,101cyclictest10317-21users00:05:400
232579916416,124cyclictest30432-21ntp_states23:30:240
232579916412,127cyclictest24362-21/usr/sbin/munin21:39:270
232579916235,110cyclictest16365-21tr00:24:230
232579916218,119cyclictest2631-21fw_conntrack22:09:490
232579916215,120cyclictest29543-21apt-get21:54:100
232579916118,117cyclictest16150-21fw_conntrack21:14:540
232579916117,122cyclictest22299-21ssh21:32:530
232579916117,119cyclictest10881-21apt-get22:34:070
232579916116,121cyclictest13185-21ssh00:14:430
232579916116,104cyclictest14556-21apt-get00:19:100
232579916116,102cyclictest26076-21apt-get21:44:140
232579916115,123cyclictest3989-21apt-get22:14:100
232579916115,123cyclictest14310-21apt-get22:44:110
232579916115,122cyclictest1548-21grep20:04:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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