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2026-04-06 - 16:14
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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 Mon Apr 06, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71560rcu_preempt0-21swapper/210:45:002
71560rcu_preempt0-21swapper/210:45:002
71560rcu_preempt0-21swapper/210:45:002
71480rcu_preempt0-21swapper/110:47:091
71480rcu_preempt0-21swapper/110:47:091
71480rcu_preempt0-21swapper/110:47:091
71450rcu_preempt6628-1kworker/1:0H12:37:141
71450rcu_preempt6628-1kworker/1:0H12:37:141
46050430irq/122-QManpo27856-2110:48:550
46050430irq/122-QManpo27856-2110:48:550
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71410rcu_preempt10700-21runrttasks12:37:182
71410rcu_preempt10700-21runrttasks12:37:182
71410rcu_preempt10700-21runrttasks12:37:182
71400rcu_preempt24670-21taskset09:07:221
71400rcu_preempt24670-21taskset09:07:221
71400rcu_preempt0-21swapper/011:37:000
71400rcu_preempt0-21swapper/011:37:000
71390rcu_preempt14258-21sh09:47:430
71390rcu_preempt14258-21sh09:47:430
71390rcu_preempt0-21swapper/212:12:242
71390rcu_preempt0-21swapper/212:12:242
71390rcu_preempt0-21swapper/012:22:410
71390rcu_preempt0-21swapper/012:22:410
71390rcu_preempt0-21swapper/012:22:410
46050390irq/122-QManpo23127-2110:48:550
46050390irq/122-QManpo23127-2110:48:550
46050390irq/122-QManpo17580-2110:48:550
46050390irq/122-QManpo17580-2110:48:550
46050390irq/122-QManpo12380-2110:48:550
46050390irq/122-QManpo12380-2110:48:550
46050390irq/122-QManpo12380-2110:48:550
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
2299390migration/224223-21taskset07:07:342
2299390migration/224223-21taskset07:07:342
71380rcu_preempt3227-21diskmemload11:25:050
71380rcu_preempt3227-21diskmemload11:25:050
71380rcu_preempt3227-21diskmemload11:25:050
71380rcu_preempt12165-21apt-get08:22:210
71380rcu_preempt12165-21apt-get08:22:210
71380rcu_preempt0-21swapper/012:37:200
71380rcu_preempt0-21swapper/012:37:200
71380rcu_preempt0-21swapper/012:37:200
71380rcu_preempt0-21swapper/012:29:140
71380rcu_preempt0-21swapper/012:29:140
71380rcu_preempt0-21swapper/010:59:110
71380rcu_preempt0-21swapper/010:59:110
71380rcu_preempt0-21swapper/010:59:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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