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2026-04-10 - 22:43
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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 Apr 10, 2026 10:06:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2312725090,4sleep10-21swapper/107:12:171
2312725090,4sleep10-21swapper/107:12:171
205321120,3sleep012-21ksoftirqd/009:42:140
205321120,3sleep012-21ksoftirqd/009:42:140
2299621080,1sleep012-21ksoftirqd/007:12:160
2299621080,1sleep012-21ksoftirqd/007:12:160
2879421000,2sleep10-21swapper/108:52:141
2879421000,2sleep10-21swapper/108:52:141
58742980,4sleep30-21swapper/307:52:153
58742980,4sleep30-21swapper/307:52:153
148072970,6sleep214809-21ssh09:22:132
148072970,6sleep214809-21ssh09:22:132
148072970,6sleep214809-21ssh09:22:132
78152960,2sleep10-21swapper/107:57:151
78152960,2sleep10-21swapper/107:57:151
158252880,2chrt0-21swapper/009:57:050
158252880,2chrt0-21swapper/009:57:050
88192850,4sleep30-21swapper/309:50:173
88192850,4sleep30-21swapper/309:50:173
243062830,3chrt0-21swapper/109:32:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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