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2025-06-07 - 07:53
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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 50 highest latencies:
System rack4slot4.osadl.org (updated Sat Jun 07, 2025 00:52:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71550rcu_preempt0-21swapper/121:09:371
71550rcu_preempt0-21swapper/121:09:371
71480rcu_preempt0-21swapper/200:36:002
71480rcu_preempt0-21swapper/200:36:002
304099484cyclictest0-21swapper/101:06:101
304099484cyclictest0-21swapper/101:06:101
71470rcu_preempt32492-1kworker/1:2H23:09:471
71470rcu_preempt32492-1kworker/1:2H23:09:471
71470rcu_preempt32492-1kworker/1:2H23:09:471
71470rcu_preempt0-21swapper/023:16:010
71470rcu_preempt0-21swapper/023:16:010
71470rcu_preempt0-21swapper/022:12:550
71470rcu_preempt0-21swapper/022:12:550
46050470irq/122-QManpo0-210
46050470irq/122-QManpo0-210
71450rcu_preempt0-21swapper/100:30:101
71450rcu_preempt0-21swapper/100:30:101
71450rcu_preempt0-21swapper/023:44:360
71450rcu_preempt0-21swapper/023:44:360
71440rcu_preempt22810-21ssh23:10:430
71440rcu_preempt22810-21ssh23:10:430
71440rcu_preempt22810-21ssh23:10:430
71440rcu_preempt0-21swapper/022:27:240
71440rcu_preempt0-21swapper/022:27:240
71440rcu_preempt0-21swapper/022:27:240
71440rcu_preempt0-21swapper/021:46:070
71440rcu_preempt0-21swapper/021:46:070
71440rcu_preempt0-21swapper/000:04:530
71440rcu_preempt0-21swapper/000:04:530
71440rcu_preempt0-21swapper/000:04:530
71430rcu_preempt0-21swapper/023:19:470
71430rcu_preempt0-21swapper/023:19:470
71430rcu_preempt0-21swapper/023:19:470
71430rcu_preempt0-21swapper/022:34:300
71430rcu_preempt0-21swapper/022:34:300
71430rcu_preempt0-21swapper/000:42:320
71430rcu_preempt0-21swapper/000:42:320
71430rcu_preempt0-21swapper/000:30:020
71430rcu_preempt0-21swapper/000:30:020
71420rcu_preempt0-21swapper/100:41:521
71420rcu_preempt0-21swapper/100:41:521
71420rcu_preempt0-21swapper/021:33:370
71420rcu_preempt0-21swapper/021:33:370
304099427cyclictest0-21swapper/120:39:331
304099427cyclictest0-21swapper/120:39:331
304099427cyclictest0-21swapper/120:39:331
71410rcu_preempt5303-1ssh22:39:351
71410rcu_preempt5303-1ssh22:39:351
71410rcu_preempt21716-21ssh00:09:470
71410rcu_preempt21716-21ssh00:09:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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