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2026-09-20 - 09:15
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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 Sat Sep 19, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14769220428,59sleep014772-21munin-run07:10:010
1482099160136,14cyclictest320422sleep012:29:540
148209914859,33cyclictest18038-21ntp_states11:35:420
148209914668,58cyclictest1305-21snmpd09:35:200
148209914373,29cyclictest1408-21nginx11:55:460
148209914363,40cyclictest16914-21apt-get07:17:110
148209914168,35cyclictest1408-21nginx11:30:410
148209914051,34cyclictest21387-21apt-get09:45:450
148209913952,22cyclictest11710-21irqstats11:10:310
148209913877,28cyclictest787-21haveged11:00:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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