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2026-04-20 - 19:39
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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 highest latencies:
System rack4slot1.osadl.org (updated Mon Apr 20, 2026 07:21:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321702480,3sleep131622-21ls07:12:161
321702480,3sleep131622-21ls07:12:161
322552346,20sleep20-21swapper/207:12:172
322552346,20sleep20-21swapper/207:12:172
23122330,1chrt12-21ksoftirqd/007:17:240
23122330,1chrt12-21ksoftirqd/007:17:240
323642263,16sleep30-21swapper/307:12:183
323642263,16sleep30-21swapper/307:12:183
7122244,13sleep00-21swapper/007:12:390
7122244,13sleep00-21swapper/007:12:390
76099233,5cyclictest131rcu_preempt07:17:231
76099233,5cyclictest131rcu_preempt07:17:231
27682181,3sleep20-21swapper/207:19:202
27682181,3sleep20-21swapper/207:19:202
76299128,3cyclictest0-21swapper/307:17:233
76299128,3cyclictest0-21swapper/307:17:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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