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2026-07-27 - 01:22
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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 rack7slot8.osadl.org (updated Sun Jul 26, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12669219436,127sleep00-21swapper/019:05:550
132309917431,29cyclictest5062-21swap20:40:470
811721125,13sleep06836-21apt-get20:52:110
2979921085,11sleep029797-21ntp_states20:10:420
3125221066,12sleep031256-21/usr/sbin/munin22:25:260
1481821065,14sleep014823-21ntpq23:26:200
761621046,12sleep07591-21munin-run23:00:050
858121035,13sleep08583-21ntp_states23:01:190
421421035,11sleep03469-21apt-get22:45:340
2489521035,84sleep024907-21df00:05:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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