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2026-03-16 - 19:00
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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 Mon Mar 16, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71560rcu_preempt27825-21apt-get10:16:582
71560rcu_preempt27825-21apt-get10:16:582
71560rcu_preempt27825-21apt-get10:16:582
71540rcu_preempt0-21swapper/311:38:313
71540rcu_preempt0-21swapper/311:38:313
71540rcu_preempt0-21swapper/311:38:313
71450rcu_preempt8064-1kworker/2:1H10:06:492
71450rcu_preempt8064-1kworker/2:1H10:06:492
71450rcu_preempt8064-1kworker/2:1H10:06:492
46250440irq/120-QManpo21174-211
46250440irq/120-QManpo21174-211
71430rcu_preempt0-21swapper/209:26:572
71430rcu_preempt0-21swapper/209:26:572
46050430irq/122-QManpo22385-2110:48:550
46050430irq/122-QManpo22385-2110:48:550
71420rcu_preempt0-21swapper/212:16:462
71420rcu_preempt0-21swapper/212:16:462
71420rcu_preempt0-21swapper/212:16:462
46450420irq/118-QManpo22359-2110:48:552
46450420irq/118-QManpo22359-2110:48:552
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71410rcu_preempt0-21swapper/008:46:570
71410rcu_preempt0-21swapper/008:46:570
71400rcu_preempt24946-21taskset10:11:562
71400rcu_preempt24946-21taskset10:11:562
71400rcu_preempt24946-21taskset10:11:562
71400rcu_preempt23287-1kworker/3:0H12:03:093
71400rcu_preempt23287-1kworker/3:0H12:03:093
71400rcu_preempt23287-1kworker/3:0H12:03:093
71400rcu_preempt0-21swapper/011:36:040
71400rcu_preempt0-21swapper/011:36:040
71400rcu_preempt0-21swapper/011:36:040
71400rcu_preempt0-21swapper/009:45:510
71400rcu_preempt0-21swapper/009:45:510
71400rcu_preempt0-21swapper/009:45:510
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
71390rcu_preempt27816-21ssh10:16:553
71390rcu_preempt27816-21ssh10:16:553
71390rcu_preempt27816-21ssh10:16:553
71390rcu_preempt23321-21diskmemload11:25:082
71390rcu_preempt23321-21diskmemload11:25:082
71390rcu_preempt22739-21sh11:05:132
71390rcu_preempt22739-21sh11:05:132
71390rcu_preempt0-21swapper/009:22:190
71390rcu_preempt0-21swapper/009:22:190
71390rcu_preempt0-21swapper/009:22:190
46050390irq/122-QManpo21350-2110:48:550
46050390irq/122-QManpo21350-2110:48:550
71380rcu_preempt5327-21ssh09:36:570
71380rcu_preempt5327-21ssh09:36:570
71380rcu_preempt5327-21ssh09:36:570
71380rcu_preempt27717-21apt-get12:11:580
71380rcu_preempt27717-21apt-get12:11:580
71380rcu_preempt27717-21apt-get12:11:580
71380rcu_preempt23207-21ssh12:02:220
71380rcu_preempt23207-21ssh12:02:220
71380rcu_preempt23207-21ssh12:02:220
71380rcu_preempt0-21swapper/011:18:190
71380rcu_preempt0-21swapper/011:18:190
71380rcu_preempt0-21swapper/011:18:190
71380rcu_preempt0-21swapper/007:21:510
71380rcu_preempt0-21swapper/007:21:510
46050380irq/122-QManpo1516-2110:48:550
46050380irq/122-QManpo1516-2110:48:550
46050380irq/122-QManpo1516-2110:48:550
46050380irq/122-QManpo10959-2110:48:550
46050380irq/122-QManpo10959-2110:48:550
46050380irq/122-QManpo10959-2110:48:550
1599380migration/018604-21fgrep10:57:120
1599380migration/018604-21fgrep10:57:120
1599380migration/018604-21fgrep10:57:120
71370rcu_preempt662-21sh10:26:362
71370rcu_preempt662-21sh10:26:362
71370rcu_preempt662-21sh10:26:362
71370rcu_preempt5112-1taskset08:04:522
71370rcu_preempt5112-1taskset08:04:522
71370rcu_preempt3721-21apt-get12:26:572
71370rcu_preempt3721-21apt-get12:26:572
71370rcu_preempt3721-21apt-get12:26:572
71370rcu_preempt0-21swapper/210:46:582
71370rcu_preempt0-21swapper/210:46:582
71370rcu_preempt0-21swapper/210:46:582
71370rcu_preempt0-21swapper/207:17:102
71370rcu_preempt0-21swapper/207:17:102
71370rcu_preempt0-21swapper/012:35:570
71370rcu_preempt0-21swapper/012:35:570
71370rcu_preempt0-21swapper/010:27:180
71370rcu_preempt0-21swapper/010:27:180
71370rcu_preempt0-21swapper/010:25:450
71370rcu_preempt0-21swapper/010:25:450
71370rcu_preempt0-21swapper/010:25:450
71370rcu_preempt0-21swapper/010:04:440
71370rcu_preempt0-21swapper/010:04:440
71370rcu_preempt0-21swapper/010:04:440
71370rcu_preempt0-21swapper/009:16:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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