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2026-08-18 - 07:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Tue Aug 18, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31998224142173,187sleep00-21swapper19:00:370
321509910615,26cyclictest4069-21munin-run21:46:440
321509910543,22cyclictest480-21timerwakeupswit19:03:040
321509910520,65cyclictest8202-21irqstats23:32:490
321509910433,55cyclictest1103-21sshd23:12:180
321509910418,64cyclictest26543-21munin-run00:26:410
321509910219,45cyclictest18672-21ntp_states00:03:120
321509910214,66cyclictest18291-21fw_conntrack22:27:440
321509910213,26cyclictest17466-21ssh23:59:250
321509910118,62cyclictest5845-21apt-get19:37:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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