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2025-12-21 - 21:22
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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 Sun Dec 21, 2025 12:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250721620,3sleep10-21swapper/109:35:011
250721620,3sleep10-21swapper/109:35:011
198462980,3sleep10-21swapper/110:58:071
198462980,3sleep10-21swapper/110:58:071
198462980,3sleep10-21swapper/110:58:071
138652980,2sleep132406-21cyclictest09:13:031
311212940,3sleep20-21swapper/207:10:172
205332830,1sleep333-21ksoftirqd/310:59:063
205332830,1sleep333-21ksoftirqd/310:59:063
205332830,1sleep333-21ksoftirqd/310:59:063
318022780,3chrt0-21swapper/011:43:470
318022780,3chrt0-21swapper/011:43:470
150802770,2chrt15073-21ssh10:20:181
150802770,2chrt15073-21ssh10:20:181
93202750,4sleep10-21swapper/110:14:511
93202750,4sleep10-21swapper/110:14:511
155402700,3sleep00-21swapper/009:47:460
155402700,3sleep00-21swapper/009:47:460
229332690,4chrt0-21swapper/009:21:580
229332690,4chrt0-21swapper/009:21:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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