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2026-07-25 - 09:01
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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 100 highest latencies:
System rack4slot4.osadl.org (updated Sat Jul 25, 2026 00:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71600rcu_preempt0-21swapper/300:16:323
71600rcu_preempt0-21swapper/300:16:323
71600rcu_preempt0-21swapper/300:16:323
71560rcu_preempt0-21swapper/300:43:193
71560rcu_preempt0-21swapper/300:43:193
71560rcu_preempt0-21swapper/300:43:193
71500rcu_preempt0-21swapper/223:31:182
71500rcu_preempt0-21swapper/223:31:182
71500rcu_preempt0-21swapper/223:31:182
46050480irq/122-QManpo8086-2110:48:550
46050480irq/122-QManpo8086-2110:48:550
46050480irq/122-QManpo8086-2110:48:550
71470rcu_preempt17037-21copy23:44:123
71470rcu_preempt17037-21copy23:44:123
71470rcu_preempt0-21swapper/100:18:351
71470rcu_preempt0-21swapper/100:18:351
71470rcu_preempt0-21swapper/100:18:351
46250470irq/120-QManpo10459-2110:48:551
46250470irq/120-QManpo10459-2110:48:551
46250470irq/120-QManpo10459-2110:48:551
71440rcu_preempt0-21swapper/019:21:220
71440rcu_preempt0-21swapper/019:21:220
71440rcu_preempt0-21swapper/019:21:220
71440rcu_preempt0-21swapper/000:40:120
71440rcu_preempt0-21swapper/000:40:120
71440rcu_preempt0-21swapper/000:40:120
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
71430rcu_preempt0-21swapper/222:14:132
71430rcu_preempt0-21swapper/222:14:132
71430rcu_preempt0-21swapper/222:14:132
46650430irq/116-QManpo0-2110:48:553
46650430irq/116-QManpo0-2110:48:553
46650430irq/116-QManpo0-2110:48:553
71420rcu_preempt24730-21kworker/0:100:38:360
71420rcu_preempt24730-21kworker/0:100:38:360
71420rcu_preempt24730-21kworker/0:100:38:360
71420rcu_preempt0-21swapper/119:19:001
71420rcu_preempt0-21swapper/119:19:001
71410rcu_preempt3673-21tee19:21:301
71410rcu_preempt3673-21tee19:21:301
71410rcu_preempt3673-21tee19:21:301
71410rcu_preempt25114-21cyclictest21:58:230
71410rcu_preempt25114-21cyclictest21:58:230
71410rcu_preempt25114-21cyclictest21:58:230
71410rcu_preempt13765-21spawn19:11:332
71410rcu_preempt13765-21spawn19:11:332
71410rcu_preempt13765-21spawn19:11:332
71410rcu_preempt10984-1sh23:32:341
71410rcu_preempt10984-1sh23:32:341
71410rcu_preempt10984-1sh23:32:341
71410rcu_preempt0-21swapper/121:27:511
71410rcu_preempt0-21swapper/121:27:511
71410rcu_preempt0-21swapper/121:27:511
71410rcu_preempt0-21swapper/022:36:130
71410rcu_preempt0-21swapper/022:36:130
71410rcu_preempt0-21swapper/022:36:130
71410rcu_preempt0-21swapper/000:03:040
71410rcu_preempt0-21swapper/000:03:040
71410rcu_preempt0-21swapper/000:03:040
71400rcu_preempt0-21swapper/023:00:050
71400rcu_preempt0-21swapper/023:00:050
71400rcu_preempt0-21swapper/022:29:250
71400rcu_preempt0-21swapper/022:29:250
71400rcu_preempt0-21swapper/022:29:250
71400rcu_preempt0-21swapper/019:18:220
71400rcu_preempt0-21swapper/019:18:220
71400rcu_preempt0-21swapper/000:31:140
71400rcu_preempt0-21swapper/000:31:140
71400rcu_preempt0-21swapper/000:31:140
71400rcu_preempt0-21swapper/000:19:370
71400rcu_preempt0-21swapper/000:19:370
71400rcu_preempt0-21swapper/000:19:370
71400rcu_preempt0-21swapper/000:18:280
71400rcu_preempt0-21swapper/000:18:280
71400rcu_preempt0-21swapper/000:18:280
46050400irq/122-QManpo9122-10
46050400irq/122-QManpo9122-10
46050400irq/122-QManpo30569-2110:48:550
46050400irq/122-QManpo30569-2110:48:550
46050400irq/122-QManpo30569-2110:48:550
71390rcu_preempt0-21swapper/222:24:262
71390rcu_preempt0-21swapper/222:24:262
71390rcu_preempt0-21swapper/222:24:262
71390rcu_preempt0-21swapper/221:58:412
71390rcu_preempt0-21swapper/221:58:412
71390rcu_preempt0-21swapper/221:58:412
71390rcu_preempt0-21swapper/122:21:061
71390rcu_preempt0-21swapper/122:21:061
71390rcu_preempt0-21swapper/100:34:081
71390rcu_preempt0-21swapper/100:34:081
71390rcu_preempt0-21swapper/100:34:081
71390rcu_preempt0-21swapper/100:04:081
71390rcu_preempt0-21swapper/100:04:081
71390rcu_preempt0-21swapper/100:04:081
71390rcu_preempt0-21swapper/023:57:000
71390rcu_preempt0-21swapper/023:57:000
71390rcu_preempt0-21swapper/023:57:000
71390rcu_preempt0-21swapper/023:15:460
71390rcu_preempt0-21swapper/023:15:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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