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2026-05-07 - 08:01
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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 Wed May 06, 2026 19:26:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28988214920,8sleep10-21swapper/119:12:541
28988214920,8sleep10-21swapper/119:12:541
2866921880,3sleep228668-21grep19:12:422
2866921880,3sleep228668-21grep19:12:422
3261421020,2sleep20-21swapper/219:22:402
3261421020,2sleep20-21swapper/219:22:402
3261421020,2sleep20-21swapper/219:22:402
306612940,1sleep012-21ksoftirqd/019:17:400
306612940,1sleep012-21ksoftirqd/019:17:400
289872640,1chrt12-21ksoftirqd/019:12:520
289872640,1chrt12-21ksoftirqd/019:12:520
2903499320,6cyclictest32613-21grep19:22:400
2903499320,6cyclictest32613-21grep19:22:400
2903499320,6cyclictest32613-21grep19:22:400
2903599237,3cyclictest21-21ksoftirqd/119:22:401
2903599237,3cyclictest21-21ksoftirqd/119:22:401
2903599237,3cyclictest21-21ksoftirqd/119:22:401
2903599232,16cyclictest29988-21ls19:17:301
2903599232,16cyclictest29988-21ls19:17:301
322322210,3sleep30-21swapper/319:22:333
322322210,3sleep30-21swapper/319:22:333
322322210,3sleep30-21swapper/319:22:333
29036992012,6cyclictest7661-21systemd-journal19:22:192
29036992012,6cyclictest7661-21systemd-journal19:22:192
29037991910,7cyclictest321rcuc/319:17:393
29037991910,7cyclictest321rcuc/319:17:393
277172141,8sleep30-21swapper/319:12:273
277172141,8sleep30-21swapper/319:12:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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