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2026-07-16 - 17:28
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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 rack7slot8.osadl.org (updated Thu Jul 16, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31020212750,11sleep031017-21ntp_states19:05:330
318209918412,148cyclictest2010-21node21:31:350
31820991698,117cyclictest1408-21nginx20:36:220
31820991689,16cyclictest5456-21diskstats21:40:220
31820991647,19cyclictest29107-21df21:05:170
31820991647,14cyclictest7611-21apt-get21:52:090
31820991629,23cyclictest26472-21hostname20:55:120
318209916134,107cyclictest11600-21sshd19:55:450
31820991609,23cyclictest754-21systemd-journal20:19:450
318209915932,88cyclictest7129-21seq21:45:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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