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2025-12-22 - 06:27
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4.osadl.org (updated Mon Dec 22, 2025 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
701924090,4sleep26985-21ssh22:10:182
2884123950,2sleep2121rcu_preempt19:10:272
2955523800,5sleep1191ksoftirqd/123:57:371
2955523800,5sleep1191ksoftirqd/123:57:371
1065223670,2sleep110638-21ssh00:25:191
1065223670,2sleep110638-21ssh00:25:191
1646123590,1sleep215360-21kworker/u8:221:25:132
1646123590,1sleep215360-21kworker/u8:221:25:122
542023580,1sleep12890-21kworker/u8:319:35:131
1646023570,2sleep112808-1kworker/u9:021:25:111
1646023570,2sleep112808-1kworker/u9:021:25:101
2439223440,2sleep10-21swapper/120:25:201
3073523210,2sleep10-21swapper/119:15:321
1488323150,2sleep28105-21kworker/u8:321:20:372
583823140,1sleep24676-21kworker/u8:1200:15:232
2643023100,2sleep20-21swapper/222:46:102
3184723040,2sleep10-21swapper/100:01:271
1612623040,6sleep216124-21ntpq23:30:322
1213623040,15sleep20-21swapper/200:26:402
1213623040,15sleep20-21swapper/200:26:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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