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2026-03-20 - 03:11
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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 rackeslot4.osadl.org (updated Thu Mar 19, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
852135993623,12cyclictest852131-21cyclictest09:30:010
852135993521,2cyclictest1026206-21/usr/sbin/munin10:00:010
852135993517,8cyclictest0-21swapper/010:30:010
852135993320,3cyclictest1047551-21apt-get10:20:110
85213599331,3cyclictest883503-21apt-get07:40:110
852135993119,2cyclictest888559-21apt-get07:45:120
852135992920,2cyclictest1042494-21apt-get10:15:110
85214599282,22cyclictest878451-21apt-get07:35:123
852140992826,1cyclictest0-21swapper/111:35:201
85214599272,21cyclictest1103172-21apt-get11:15:123
85214599272,21cyclictest1098119-21apt-get11:10:113
85214599271,22cyclictest1118738-21apt-get11:30:113
85213599272,21cyclictest986014-21apt-get09:20:120
85214599261,21cyclictest949766-21apt-get08:45:123
85214599261,21cyclictest1057634-21apt-get10:30:113
85214599261,21cyclictest1006273-21apt-get09:40:123
85214599261,21cyclictest0-21swapper/310:05:103
852145992520,3cyclictest1001218-21apt-get09:35:113
85214599251,21cyclictest934172-21apt-get08:30:123
85214099250,5cyclictest1030595-21cat10:00:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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