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2026-05-05 - 17:47
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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 Tue May 05, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232792720chrt46050irq/122-QMan10:48:550
232792720chrt46050irq/122-QMan10:48:550
232792720chrt46050irq/122-QMan10:48:550
71500rcu_preempt0-21swapper/011:59:240
71500rcu_preempt0-21swapper/011:59:240
71500rcu_preempt0-21swapper/011:59:240
71490rcu_preempt17731-21grep08:53:031
71490rcu_preempt17731-21grep08:53:031
71470rcu_preempt10449-21sh09:52:462
71470rcu_preempt10449-21sh09:52:462
71470rcu_preempt10449-21sh09:52:462
71460rcu_preempt0-21swapper/312:35:053
71460rcu_preempt0-21swapper/312:35:053
71460rcu_preempt0-21swapper/009:54:550
71460rcu_preempt0-21swapper/009:54:550
71450rcu_preempt26919-21apt-get10:27:521
71450rcu_preempt26919-21apt-get10:27:521
71450rcu_preempt26919-21apt-get10:27:521
71450rcu_preempt0-21swapper/311:04:023
71450rcu_preempt0-21swapper/311:04:023
71450rcu_preempt0-21swapper/311:04:023
71440rcu_preempt27862-1kworker/2:2H12:38:092
71440rcu_preempt27862-1kworker/2:2H12:38:092
71440rcu_preempt0-21swapper/311:52:033
71440rcu_preempt0-21swapper/311:52:033
71440rcu_preempt0-21swapper/309:20:123
71440rcu_preempt0-21swapper/309:20:123
71440rcu_preempt0-21swapper/309:20:123
71440rcu_preempt0-21swapper/007:53:100
71440rcu_preempt0-21swapper/007:53:100
71440rcu_preempt0-21swapper/007:53:100
71430rcu_preempt4598-1sh10:46:123
71430rcu_preempt4598-1sh10:46:123
71430rcu_preempt4598-1sh10:46:123
71430rcu_preempt0-21swapper/312:25:083
71430rcu_preempt0-21swapper/312:25:083
71430rcu_preempt0-21swapper/312:25:083
71430rcu_preempt0-21swapper/310:25:113
71430rcu_preempt0-21swapper/310:25:113
71430rcu_preempt0-21swapper/310:25:113
71430rcu_preempt0-21swapper/010:38:080
71430rcu_preempt0-21swapper/010:38:080
71430rcu_preempt0-21swapper/008:43:070
71430rcu_preempt0-21swapper/008:43:070
71420rcu_preempt8827-21apt-get08:23:062
71420rcu_preempt8827-21apt-get08:23:062
71420rcu_preempt8827-21apt-get08:23:062
71420rcu_preempt0-21swapper/310:52:043
71420rcu_preempt0-21swapper/310:52:043
71420rcu_preempt0-21swapper/310:52:043
71410rcu_preempt8827-21apt-get08:23:023
71410rcu_preempt8827-21apt-get08:23:023
71410rcu_preempt8827-21apt-get08:23:023
71410rcu_preempt29138-21ssh09:24:290
71410rcu_preempt29138-21ssh09:24:290
71410rcu_preempt29138-21ssh09:24:290
71410rcu_preempt29138-21ssh09:24:290
71410rcu_preempt0-21swapper/312:06:083
71410rcu_preempt0-21swapper/312:06:083
71410rcu_preempt0-21swapper/310:06:493
71410rcu_preempt0-21swapper/310:06:493
71410rcu_preempt0-21swapper/310:06:493
71410rcu_preempt0-21swapper/309:57:403
71410rcu_preempt0-21swapper/309:57:403
71410rcu_preempt0-21swapper/012:24:590
71410rcu_preempt0-21swapper/012:24:590
71410rcu_preempt0-21swapper/012:24:590
71400rcu_preempt0-21swapper/312:20:283
71400rcu_preempt0-21swapper/312:20:283
71400rcu_preempt0-21swapper/112:13:391
71400rcu_preempt0-21swapper/112:13:391
71400rcu_preempt0-21swapper/012:27:530
71400rcu_preempt0-21swapper/012:27:530
71400rcu_preempt0-21swapper/012:27:530
71400rcu_preempt0-21swapper/010:52:440
71400rcu_preempt0-21swapper/010:52:440
71400rcu_preempt0-21swapper/010:52:440
46050400irq/122-QManpo487-2110:48:550
46050400irq/122-QManpo487-2110:48:550
152222400sleep013209-1kworker/0:1H12:06:110
152222400sleep013209-1kworker/0:1H12:06:110
71390rcu_preempt20201-21sh10:14:441
71390rcu_preempt20201-21sh10:14:441
46050390irq/122-QManpo3379-2110:48:550
46050390irq/122-QManpo13982-2110:48:550
46050390irq/122-QManpo13982-2110:48:550
46050390irq/122-QManpo13982-2110:48:550
71380rcu_preempt32044-21latency_hist11:37:471
71380rcu_preempt21869-21cyclictest09:43:353
71380rcu_preempt21869-21cyclictest09:43:353
71380rcu_preempt21869-21cyclictest09:43:353
71380rcu_preempt0-21swapper/311:55:573
71380rcu_preempt0-21swapper/311:55:573
71380rcu_preempt0-21swapper/310:00:023
71380rcu_preempt0-21swapper/310:00:023
71380rcu_preempt0-21swapper/112:10:481
71380rcu_preempt0-21swapper/112:10:481
71380rcu_preempt0-21swapper/112:10:481
71380rcu_preempt0-21swapper/010:28:100
71380rcu_preempt0-21swapper/010:28:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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