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2026-09-11 - 23:29
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Fri Sep 11, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13611211617,23sleep013630-21munin-run07:32:320
4973211414,86sleep05020-21switchtime10:23:230
7655210914,82sleep07487-21munin-node12:12:470
5144210314,20sleep05156-21wc12:03:260
16047210314,77sleep016072-21ls10:58:090
2862210213,21sleep02892-21latency08:38:030
20812210115,16sleep020815-21iostat11:13:010
27433210014,22sleep027438-21needreboot11:33:080
17617210014,16sleep017628-21needreboot09:23:090
946629914,16sleep09494-21if_eth012:17:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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