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2026-06-12 - 11:10
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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 Jun 11, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7377212470,12sleep07376-21/usr/sbin/munin07:05:140
839999133110,14cyclictest0-21swapper/007:10:030
83999910842,31cyclictest15721-21cron09:45:050
83999910342,20cyclictest1276-21runrttasks11:40:550
83999910228,54cyclictest11314-21grep07:20:180
83999910033,27cyclictest1408-21nginx08:30:460
83999910031,29cyclictest1408-21nginx11:06:200
8399999915,32cyclictest15103-21/usr/sbin/munin09:40:420
8399999658,25cyclictest101ktimersoftd/008:25:390
8399999549,29cyclictest3650irq/20-4900000008:02:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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