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2026-03-24 - 00:22
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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 Mon Mar 23, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
751534993221,9cyclictest1089240-21idleruntime-cro12:39:593
75153499320,23cyclictest1037861-21/usr/sbin/munin11:50:003
75153499311,3cyclictest860068-21apt-get08:55:123
751534993019,9cyclictest1006675-21sshd11:15:233
75153299300,28cyclictest977007-21cut10:50:152
75153299300,28cyclictest261-21systemd-journal08:30:002
75153499290,27cyclictest0-21swapper/308:35:003
75153299291,25cyclictest0-21swapper/209:40:112
751534992817,3cyclictest865144-21apt-get09:00:133
751534992815,3cyclictest1-21systemd07:45:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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