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2026-04-28 - 14:51
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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 rack4slot4.osadl.org (updated Tue Apr 28, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71770rcu_preempt7574-1kworker/0:0H07:09:110
71770rcu_preempt7574-1kworker/0:0H07:09:110
3218099542cyclictest14441-21/usr/sbin/munin10:38:010
3218099542cyclictest14441-21/usr/sbin/munin10:38:010
3218099532cyclictest26592-21irqstats08:47:540
3218099532cyclictest26592-21irqstats08:47:540
3218099524cyclictest0-21swapper/012:13:000
3218099524cyclictest0-21swapper/012:13:000
3218099524cyclictest0-21swapper/012:13:000
3218099523cyclictest16262-21munin-run12:42:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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