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2026-06-28 - 14:42
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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 Sun Jun 28, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
389408199320,4cyclictest4107337-21basename22:40:013
389408199311,20cyclictest0-21swapper/322:50:183
3894071993027,2cyclictest0-21swapper/021:20:000
389408199291,3cyclictest4067083-21apt-get22:00:123
389408199291,19cyclictest0-21swapper/300:00:133
389408199290,21cyclictest3965359-21/usr/sbin/munin20:20:163
389408199281,19cyclictest0-21swapper/322:55:133
3894081992719,6cyclictest0-21swapper/322:30:103
389408199271,24cyclictest3909501-21apt-get19:25:133
389408199271,23cyclictest3777322-21systemd-journal22:30:003
389408199271,23cyclictest0-21swapper/320:25:113
3894081992620,4cyclictest3944848-21apt-get20:00:103
3894081992620,3cyclictest4056954-21apt-get21:50:133
3894081992614,10cyclictest4016560-21grep21:10:153
389408199261,21cyclictest4168733-21apt-get23:40:113
389408199261,21cyclictest0-21swapper/323:45:133
3894081992518,5cyclictest4010037-21/usr/sbin/munin21:00:243
3894081992517,7cyclictest3904936-21irqcore19:20:173
3894081992515,8cyclictest0-21swapper/319:40:003
389408199251,20cyclictest0-21swapper/323:15:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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