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2026-03-28 - 13:27
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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 20 highest latencies:
System rack4slot1.osadl.org (updated Fri Mar 27, 2026 20:26:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1710126170,2sleep012-21ksoftirqd/019:12:050
1710126170,2sleep012-21ksoftirqd/019:12:050
1146921530,3sleep30-21swapper/320:22:023
2270521080,1sleep012-21ksoftirqd/019:27:010
2270521080,1sleep012-21ksoftirqd/019:27:010
760921000,1sleep012-21ksoftirqd/020:12:020
760921000,1sleep012-21ksoftirqd/020:12:020
2646821000,1sleep012-21ksoftirqd/019:37:020
2646821000,1sleep012-21ksoftirqd/019:37:020
2646821000,1sleep012-21ksoftirqd/019:37:020
199172630,4sleep10-21swapper/119:21:511
56812570,2sleep30-21swapper/320:07:033
56812570,2sleep30-21swapper/320:07:033
8982500,6sleep0932-21fschecks_count19:56:520
49282500,2chrt4660-21/usr/sbin/munin20:06:520
49282500,2chrt4660-21/usr/sbin/munin20:06:520
160072490,3sleep216109-21grep19:11:512
160072490,3sleep216109-21grep19:11:512
187232440,4sleep10-21swapper/119:17:011
187232440,4sleep10-21swapper/119:17:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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