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2026-04-17 - 23:34
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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 Fri Apr 17, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71540rcu_preempt0-21swapper/108:22:511
71540rcu_preempt0-21swapper/108:22:511
71540rcu_preempt0-21swapper/108:22:511
46050460irq/122-QManpo9363-2110:48:550
46050460irq/122-QManpo9363-2110:48:550
71450rcu_preempt0-21swapper/111:30:441
71450rcu_preempt0-21swapper/111:30:441
1599450migration/029944-21taskset07:09:430
1599450migration/029944-21taskset07:09:430
46450430irq/118-QManpo29440-2110:48:552
46450430irq/118-QManpo29440-2110:48:552
71420rcu_preempt0-21swapper/312:24:013
71420rcu_preempt0-21swapper/312:24:013
71420rcu_preempt0-21swapper/110:59:491
71420rcu_preempt0-21swapper/110:59:491
71410rcu_preempt0-21swapper/010:27:110
71410rcu_preempt0-21swapper/010:27:110
71410rcu_preempt0-21swapper/010:27:110
71410rcu_preempt0-21swapper/009:33:380
71410rcu_preempt0-21swapper/009:33:380
71410rcu_preempt0-21swapper/009:33:380
71400rcu_preempt0-21swapper/112:10:471
71400rcu_preempt0-21swapper/112:10:471
71400rcu_preempt0-21swapper/112:10:471
71400rcu_preempt0-21swapper/012:02:290
71400rcu_preempt0-21swapper/011:41:170
71400rcu_preempt0-21swapper/011:41:170
71400rcu_preempt0-21swapper/011:23:210
71400rcu_preempt0-21swapper/011:23:210
71400rcu_preempt0-21swapper/011:10:230
71400rcu_preempt0-21swapper/011:10:230
46650400irq/116-QManpo29224-2110:48:553
46650400irq/116-QManpo29224-2110:48:553
71390rcu_preempt8596-1kworker/1:0H07:52:391
71390rcu_preempt8596-1kworker/1:0H07:52:391
71390rcu_preempt511-21sendmail-msp07:22:270
71390rcu_preempt511-21sendmail-msp07:22:270
71390rcu_preempt0-21swapper/211:27:222
71390rcu_preempt0-21swapper/211:27:222
71390rcu_preempt0-21swapper/012:11:560
71390rcu_preempt0-21swapper/012:11:560
71390rcu_preempt0-21swapper/012:11:560
71390rcu_preempt0-21swapper/011:12:340
71390rcu_preempt0-21swapper/011:12:340
71380rcu_preempt26682-1kworker/2:0H08:57:432
71380rcu_preempt26682-1kworker/2:0H08:57:432
71380rcu_preempt12958-21ssh12:32:501
71380rcu_preempt12958-21ssh12:32:501
71380rcu_preempt12958-21ssh12:32:501
71380rcu_preempt0-21swapper/311:55:323
71380rcu_preempt0-21swapper/311:55:323
71380rcu_preempt0-21swapper/210:52:452
71380rcu_preempt0-21swapper/210:52:452
71380rcu_preempt0-21swapper/110:17:271
71380rcu_preempt0-21swapper/010:51:470
71380rcu_preempt0-21swapper/010:51:470
71380rcu_preempt0-21swapper/009:21:480
71380rcu_preempt0-21swapper/009:21:480
71380rcu_preempt0-21swapper/009:04:370
71380rcu_preempt0-21swapper/009:04:370
71380rcu_preempt0-21swapper/009:04:370
46250380irq/120-QManpo29535-211
46250380irq/120-QManpo29535-211
46050380irq/122-QManpo6727-2110:48:550
46050380irq/122-QManpo6727-2110:48:550
46050380irq/122-QManpo3836-2110:48:550
46050380irq/122-QManpo3836-2110:48:550
46050380irq/122-QManpo17598-2110:48:550
46050380irq/122-QManpo17598-2110:48:550
46050380irq/122-QManpo17598-2110:48:550
46050380irq/122-QManpo11697-2110:48:550
46050380irq/122-QManpo11697-2110:48:550
71370rcu_preempt9673-21ssh09:32:220
71370rcu_preempt9673-21ssh09:32:220
71370rcu_preempt9673-21ssh09:32:220
71370rcu_preempt3262-1kworker/1:1H11:26:351
71370rcu_preempt3262-1kworker/1:1H11:26:351
71370rcu_preempt30873-1kworker/1:0H09:13:091
71370rcu_preempt30873-1kworker/1:0H09:13:091
71370rcu_preempt1959-21runrttasks11:00:490
71370rcu_preempt1959-21runrttasks11:00:490
71370rcu_preempt10529-21sh10:32:251
71370rcu_preempt10529-21sh10:32:251
71370rcu_preempt0-21swapper/309:14:053
71370rcu_preempt0-21swapper/309:14:053
71370rcu_preempt0-21swapper/211:40:422
71370rcu_preempt0-21swapper/211:40:422
71370rcu_preempt0-21swapper/211:32:062
71370rcu_preempt0-21swapper/211:32:062
71370rcu_preempt0-21swapper/211:05:392
71370rcu_preempt0-21swapper/211:05:392
71370rcu_preempt0-21swapper/211:05:392
71370rcu_preempt0-21swapper/210:10:352
71370rcu_preempt0-21swapper/210:10:352
71370rcu_preempt0-21swapper/210:10:352
71370rcu_preempt0-21swapper/209:24:342
71370rcu_preempt0-21swapper/209:24:342
71370rcu_preempt0-21swapper/209:24:342
71370rcu_preempt0-21swapper/209:15:502
71370rcu_preempt0-21swapper/209:15:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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