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2026-07-13 - 23:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackaslot8.osadl.org (updated Mon Jul 13, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119992275244,21sleep00-21swapper/007:08:180
119912271241,20sleep20-21swapper/207:08:122
118282270243,18sleep10-21swapper/107:06:061
118982267234,22sleep30-21swapper/307:07:013
229002660,1sleep10-21swapper/110:40:161
102972630,0sleep30-21swapper/309:34:283
33462610,0sleep20-21swapper/209:10:152
310472590,3sleep334-21ksoftirqd/310:45:193
297362570,0sleep20-21swapper/211:43:442
236582570,0sleep20-21swapper/211:20:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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