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2026-05-10 - 07:50
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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 Sun May 10, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1300023540,2sleep10-21swapper/120:30:171
3092423520,3sleep130923-21ssh23:40:111
1106623500,8sleep19115-21kworker/u8:522:55:411
2540223410,2sleep2121rcu_preempt22:16:582
95823400,3sleep122414-1kworker/u9:222:35:191
95823400,3sleep122414-1kworker/u9:222:35:191
1583323360,3sleep115832-21ssh23:05:581
574923320,11sleep225-21ksoftirqd/221:35:142
2533723220,3sleep225336-21ssh00:38:162
1749123180,1sleep116756-21kworker/u8:2419:05:191
3226023110,2sleep10-21swapper/121:21:061
2674123080,4sleep1191ksoftirqd/119:34:451
328923070,6sleep2121rcu_preempt22:40:112
3184223070,16sleep10-21swapper/119:49:121
1580623060,2sleep10-21swapper/120:38:011
2721923040,2sleep127215-21ssh21:10:371
980622930,4sleep10-21swapper/120:20:191
165622930,1sleep2888-21kworker/u8:319:55:202
887522900,1sleep130042-21kworker/u8:322:50:391
96422890,6sleep26188-1kworker/u9:122:35:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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