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2026-06-18 - 17:02
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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 Jun 18, 2026 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71480rcu_preempt28108-21sendmail-msp12:35:520
71480rcu_preempt28108-21sendmail-msp12:35:520
71480rcu_preempt28108-21sendmail-msp12:35:520
71470rcu_preempt2744-21grep07:11:000
71470rcu_preempt2744-21grep07:11:000
71470rcu_preempt0-21swapper/211:05:292
71470rcu_preempt0-21swapper/211:05:292
46450440irq/118-QManpo30866-2110:48:552
46450440irq/118-QManpo30866-2110:48:552
46250440irq/120-QManpo31091-2110:48:551
46250440irq/120-QManpo31091-2110:48:551
46050440irq/122-QManpo26596-2110:48:550
46050440irq/122-QManpo26596-2110:48:550
46050440irq/122-QManpo26596-2110:48:550
194932440chrt46450irq/118-QMan10:48:552
194932440chrt46450irq/118-QMan10:48:552
194932440chrt46450irq/118-QMan10:48:552
71430rcu_preempt0-21swapper/309:16:043
71430rcu_preempt0-21swapper/309:16:043
71430rcu_preempt0-21swapper/309:16:043
46050430irq/122-QManpo1959-2110:48:550
46050430irq/122-QManpo1959-2110:48:550
46050430irq/122-QManpo1959-2110:48:550
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71410rcu_preempt0-21swapper/210:19:482
71410rcu_preempt0-21swapper/210:19:482
71410rcu_preempt0-21swapper/210:19:482
71400rcu_preempt19224-1kworker/3:2H07:11:003
71400rcu_preempt19224-1kworker/3:2H07:11:003
71400rcu_preempt0-21swapper/211:45:522
71400rcu_preempt0-21swapper/211:45:522
71400rcu_preempt0-21swapper/211:45:522
46050400irq/122-QManpo22772-10
46050400irq/122-QManpo22772-10
46050400irq/122-QManpo22772-10
1599400migration/08910-21taskset07:24:580
1599400migration/08910-21taskset07:24:580
71390rcu_preempt5877-1kworker/3:3H09:13:053
71390rcu_preempt5877-1kworker/3:3H09:13:053
71390rcu_preempt5877-1kworker/3:3H09:13:053
71390rcu_preempt0-21swapper/212:09:512
71390rcu_preempt0-21swapper/212:09:512
71390rcu_preempt0-21swapper/212:09:512
46050390irq/122-QManpo5002-2110:48:550
46050390irq/122-QManpo5002-2110:48:550
46050390irq/122-QManpo5002-2110:48:550
46050390irq/122-QManpo16648-2110:48:550
46050390irq/122-QManpo16648-2110:48:550
71380rcu_preempt0-21swapper/212:32:322
71380rcu_preempt0-21swapper/212:32:322
71380rcu_preempt0-21swapper/212:32:322
71380rcu_preempt0-21swapper/210:07:282
71380rcu_preempt0-21swapper/210:07:282
71380rcu_preempt0-21swapper/210:07:282
71380rcu_preempt0-21swapper/210:07:282
71380rcu_preempt0-21swapper/209:27:292
71380rcu_preempt0-21swapper/209:27:292
71380rcu_preempt0-21swapper/011:04:510
71380rcu_preempt0-21swapper/011:04:510
46050380irq/122-QManpo9533-2110:48:550
46050380irq/122-QManpo9533-2110:48:550
46050380irq/122-QManpo9533-2110:48:550
46050380irq/122-QManpo30491-2110:48:550
46050380irq/122-QManpo30491-2110:48:550
46050380irq/122-QManpo2695-2110:48:550
46050380irq/122-QManpo2695-2110:48:550
46050380irq/122-QManpo2695-2110:48:550
46050380irq/122-QManpo22287-2110:48:550
46050380irq/122-QManpo22287-2110:48:550
46050380irq/122-QManpo22287-2110:48:550
46050380irq/122-QManpo2014-2110:48:550
46050380irq/122-QManpo2014-2110:48:550
46050380irq/122-QManpo1959-2110:48:550
46050380irq/122-QManpo1959-2110:48:550
46050380irq/122-QManpo19062-2110:48:550
46050380irq/122-QManpo19062-2110:48:550
46050380irq/122-QManpo13735-2110:48:550
46050380irq/122-QManpo13735-2110:48:550
46050380irq/122-QManpo13342-2110:48:550
46050380irq/122-QManpo13342-2110:48:550
46050380irq/122-QManpo13342-2110:48:550
71370rcu_preempt27324-21kworker/0:011:00:040
71370rcu_preempt27324-21kworker/0:011:00:040
71370rcu_preempt27324-21kworker/0:011:00:040
71370rcu_preempt23541-21ssh10:50:062
71370rcu_preempt23541-21ssh10:50:062
71370rcu_preempt21441-21sh11:48:582
71370rcu_preempt21441-21sh11:48:582
71370rcu_preempt21441-21sh11:48:582
71370rcu_preempt19340-21copy09:38:313
71370rcu_preempt19340-21copy09:38:313
71370rcu_preempt13946-1kworker/2:1H10:33:092
71370rcu_preempt13946-1kworker/2:1H10:33:092
71370rcu_preempt0-21swapper/210:03:322
71370rcu_preempt0-21swapper/210:03:322
71370rcu_preempt0-21swapper/210:03:322
71370rcu_preempt0-21swapper/208:44:192
71370rcu_preempt0-21swapper/208:44:192
71370rcu_preempt0-21swapper/009:31:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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