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2026-01-01 - 16:56
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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 Thu Jan 01, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71610rcu_preempt1958-21snmpd12:30:372
71610rcu_preempt1958-21snmpd12:30:372
71560rcu_preempt0-21swapper/209:42:532
71560rcu_preempt0-21swapper/209:42:532
71470rcu_preempt0-21swapper/210:40:532
71470rcu_preempt0-21swapper/210:40:532
71470rcu_preempt0-21swapper/210:40:532
71460rcu_preempt0-21swapper/208:00:452
71460rcu_preempt0-21swapper/208:00:452
71450rcu_preempt0-21swapper/108:00:361
71450rcu_preempt0-21swapper/108:00:361
71440rcu_preempt21382-1kworker/2:1H07:25:432
71440rcu_preempt21382-1kworker/2:1H07:25:432
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
71420rcu_preempt27305-21apt-get09:25:350
71420rcu_preempt27305-21apt-get09:25:350
71420rcu_preempt27305-21apt-get09:25:350
71410rcu_preempt0-21swapper/011:41:220
71410rcu_preempt0-21swapper/011:41:220
71410rcu_preempt0-21swapper/010:05:260
71410rcu_preempt0-21swapper/010:05:260
71410rcu_preempt0-21swapper/009:50:550
71410rcu_preempt0-21swapper/009:50:550
46050410irq/122-QManpo0-210
46050410irq/122-QManpo0-210
71400rcu_preempt8756-21ssh10:45:430
71400rcu_preempt8756-21ssh10:45:430
71400rcu_preempt0-21swapper/011:56:020
71400rcu_preempt0-21swapper/011:56:020
71400rcu_preempt0-21swapper/010:57:300
71400rcu_preempt0-21swapper/010:57:300
71400rcu_preempt0-21swapper/010:36:070
71400rcu_preempt0-21swapper/010:36:070
71400rcu_preempt0-21swapper/010:36:070
71400rcu_preempt0-21swapper/009:20:270
71400rcu_preempt0-21swapper/009:20:270
71400rcu_preempt0-21swapper/008:09:050
71400rcu_preempt0-21swapper/008:09:050
71390rcu_preempt0-21swapper/309:32:523
71390rcu_preempt0-21swapper/309:32:523
71390rcu_preempt0-21swapper/010:27:040
71390rcu_preempt0-21swapper/010:27:040
71390rcu_preempt0-21swapper/009:35:310
71390rcu_preempt0-21swapper/009:35:310
71390rcu_preempt0-21swapper/009:35:310
46450390irq/118-QManpo0-2110:48:552
46450390irq/118-QManpo0-2110:48:552
46450390irq/118-QManpo0-2110:48:552
46050390irq/122-QManpo4780-210
46050390irq/122-QManpo4780-210
46050390irq/122-QManpo11813-2110:48:550
46050390irq/122-QManpo11813-2110:48:550
71380rcu_preempt3835-21apt-get12:30:460
71380rcu_preempt3835-21apt-get12:30:460
71380rcu_preempt1959-21runrttasks10:50:463
71380rcu_preempt1959-21runrttasks10:50:463
71380rcu_preempt0-21swapper/309:24:013
71380rcu_preempt0-21swapper/309:24:013
71380rcu_preempt0-21swapper/012:13:040
71380rcu_preempt0-21swapper/012:13:040
71380rcu_preempt0-21swapper/011:30:440
71380rcu_preempt0-21swapper/011:30:440
46050380irq/122-QManpo30145-210
46050380irq/122-QManpo30145-210
46050380irq/122-QManpo30033-2110:48:550
46050380irq/122-QManpo30033-2110:48:550
46050380irq/122-QManpo30033-2110:48:550
71370rcu_preempt0-21swapper/311:45:523
71370rcu_preempt0-21swapper/311:45:523
71370rcu_preempt0-21swapper/012:21:060
71370rcu_preempt0-21swapper/012:21:060
71370rcu_preempt0-21swapper/011:53:070
71370rcu_preempt0-21swapper/011:53:070
71370rcu_preempt0-21swapper/011:53:070
71370rcu_preempt0-21swapper/011:47:560
71370rcu_preempt0-21swapper/011:47:560
71370rcu_preempt0-21swapper/008:39:050
71370rcu_preempt0-21swapper/008:39:050
71370rcu_preempt0-21swapper/008:39:050
46050370irq/122-QManpo31145-210
46050370irq/122-QManpo31145-210
46050370irq/122-QManpo20956-2110:48:550
46050370irq/122-QManpo20956-2110:48:550
46050370irq/122-QManpo20956-2110:48:550
46050370irq/122-QManpo17821-210
46050370irq/122-QManpo17821-210
46050370irq/122-QManpo17821-210
244302370sleep021766-1kworker/0:2H07:35:000
244302370sleep021766-1kworker/0:2H07:35:000
71360rcu_preempt8533-21runrttasks09:48:563
71360rcu_preempt8533-21runrttasks09:48:563
71360rcu_preempt8533-21runrttasks09:48:563
71360rcu_preempt1581-21ssh11:30:070
71360rcu_preempt1581-21ssh11:30:070
71360rcu_preempt1581-21ssh11:30:070
71360rcu_preempt0-21swapper/311:05:293
71360rcu_preempt0-21swapper/311:05:293
71360rcu_preempt0-21swapper/110:20:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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