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2025-12-17 - 09:39
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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 20 highest latencies:
System rack4slot1.osadl.org (updated Wed Dec 17, 2025 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1819521030,2sleep3321rcuc/319:45:003
1819521030,2sleep3321rcuc/319:45:003
237842870,3sleep30-21swapper/322:55:143
237842870,3sleep30-21swapper/322:55:143
237842870,3sleep30-21swapper/322:55:143
145622770,3sleep30-21swapper/321:00:223
145622770,3sleep30-21swapper/321:00:223
134642700,2sleep113467-21unixbench-2d22:25:231
134642700,2sleep113467-21unixbench-2d22:25:231
134152660,9sleep012-21ksoftirqd/023:55:150
134152660,9sleep012-21ksoftirqd/023:55:150
134152660,9sleep012-21ksoftirqd/023:55:150
325922580,5sleep132590-21grep21:50:191
325922580,5sleep132590-21grep21:50:191
145422560,4sleep10-21swapper/119:35:011
145422560,4sleep10-21swapper/119:35:011
220082550,3sleep30-21swapper/300:20:013
220082550,3sleep30-21swapper/300:20:013
81402530,2sleep28184-21fschecks_count20:45:112
81402530,2sleep28184-21fschecks_count20:45:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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