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2025-12-03 - 11:02
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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 rackeslot4.osadl.org (updated Wed Dec 03, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
785112994442,1cyclictest913899-21fwupd21:14:133
78511299301,27cyclictest933150-21apt21:30:003
78511299300,28cyclictest0-21swapper/323:50:093
78511299300,27cyclictest1149696-21kthreadcore00:20:183
78511299292,23cyclictest852244-21apt-get20:15:133
78511299291,27cyclictest887805-21/usr/sbin/munin20:50:193
78511299291,25cyclictest0-21swapper/322:35:063
78511299291,24cyclictest1123007-21apt-get00:00:123
78511299290,28cyclictest1083592-21ssh23:26:573
78511299290,27cyclictest0-21swapper/323:45:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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