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2026-08-29 - 09:05
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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 Aug 29, 2026 00:44:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71680rcu_preempt0-21swapper/223:34:452
71680rcu_preempt0-21swapper/223:34:452
71500rcu_preempt0-21swapper/320:09:443
71500rcu_preempt0-21swapper/320:09:443
71450rcu_preempt0-21swapper/019:42:250
71450rcu_preempt0-21swapper/019:42:250
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
71430rcu_preempt0-21swapper/200:15:182
71430rcu_preempt0-21swapper/200:15:182
71430rcu_preempt0-21swapper/200:15:182
71420rcu_preempt0-21swapper/222:05:592
71420rcu_preempt0-21swapper/222:05:592
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71400rcu_preempt13674-1kworker/2:1H00:01:032
71400rcu_preempt13674-1kworker/2:1H00:01:032
71400rcu_preempt0-21swapper/319:54:503
71400rcu_preempt0-21swapper/319:54:503
71400rcu_preempt0-21swapper/223:48:242
71400rcu_preempt0-21swapper/223:48:242
71400rcu_preempt0-21swapper/200:34:472
71400rcu_preempt0-21swapper/200:34:472
41422400chrt27117-1kworker/0:2H23:30:160
41422400chrt27117-1kworker/0:2H23:30:160
71390rcu_preempt4706-21latency_hist00:29:440
71390rcu_preempt4706-21latency_hist00:29:440
71390rcu_preempt4706-21latency_hist00:29:440
71390rcu_preempt23330-21diskmemload23:50:422
71390rcu_preempt23330-21diskmemload23:50:422
71390rcu_preempt0-21swapper/321:20:103
71390rcu_preempt0-21swapper/321:20:103
71390rcu_preempt0-21swapper/022:25:280
71390rcu_preempt0-21swapper/022:25:280
71390rcu_preempt0-21swapper/022:25:280
71390rcu_preempt0-21swapper/020:03:160
71390rcu_preempt0-21swapper/020:03:160
71380rcu_preempt6333-21sh22:38:040
71380rcu_preempt6333-21sh22:38:040
71380rcu_preempt0-21swapper/221:44:392
71380rcu_preempt0-21swapper/221:44:392
71380rcu_preempt0-21swapper/022:17:060
71380rcu_preempt0-21swapper/022:17:060
46050380irq/122-QManpo14989-2110:48:550
46050380irq/122-QManpo14989-2110:48:550
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
71370rcu_preempt19437-21head23:00:110
71370rcu_preempt19437-21head23:00:110
71370rcu_preempt17441-1kworker/0:0H21:24:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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