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2026-04-19 - 23:52
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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 Sun Apr 19, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/211:15:272
71670rcu_preempt0-21swapper/211:15:272
71450rcu_preempt0-21swapper/210:10:502
71450rcu_preempt0-21swapper/210:10:502
71450rcu_preempt0-21swapper/011:46:100
71450rcu_preempt0-21swapper/011:46:100
71450rcu_preempt0-21swapper/011:46:100
46050450irq/122-QManpo0-210
46050450irq/122-QManpo0-210
46050450irq/122-QManpo0-210
71440rcu_preempt0-21swapper/209:44:142
71440rcu_preempt0-21swapper/209:44:142
71440rcu_preempt0-21swapper/010:45:110
71440rcu_preempt0-21swapper/010:45:110
71430rcu_preempt0-21swapper/112:29:581
71430rcu_preempt0-21swapper/112:29:581
46050430irq/122-QManpo31372-2110:48:550
46050430irq/122-QManpo31372-2110:48:550
71420rcu_preempt0-21swapper/110:48:331
71420rcu_preempt0-21swapper/110:48:331
71420rcu_preempt0-21swapper/110:22:551
71420rcu_preempt0-21swapper/110:22:551
71420rcu_preempt0-21swapper/110:22:551
46650420irq/116-QManpo7225-2110:48:553
46650420irq/116-QManpo7225-2110:48:553
46650420irq/116-QManpo7225-2110:48:553
71410rcu_preempt0-21swapper/112:06:311
71410rcu_preempt0-21swapper/112:06:311
71410rcu_preempt0-21swapper/009:23:210
71410rcu_preempt0-21swapper/009:23:210
71410rcu_preempt0-21swapper/009:23:210
71400rcu_preempt14027-21sshd10:18:181
71400rcu_preempt14027-21sshd10:18:181
71400rcu_preempt0-21swapper/311:25:193
71400rcu_preempt0-21swapper/311:25:193
71400rcu_preempt0-21swapper/111:24:301
71400rcu_preempt0-21swapper/111:24:301
71400rcu_preempt0-21swapper/109:22:471
71400rcu_preempt0-21swapper/109:22:471
71400rcu_preempt0-21swapper/109:22:471
71400rcu_preempt0-21swapper/011:33:450
71400rcu_preempt0-21swapper/011:33:450
46050400irq/122-QManpo12116-2110:48:550
46050400irq/122-QManpo12116-2110:48:550
71390rcu_preempt0-21swapper/211:38:172
71390rcu_preempt0-21swapper/211:38:172
71390rcu_preempt0-21swapper/111:15:101
71390rcu_preempt0-21swapper/111:15:101
71390rcu_preempt0-21swapper/012:33:140
71390rcu_preempt0-21swapper/012:33:140
71390rcu_preempt0-21swapper/012:24:370
71390rcu_preempt0-21swapper/012:24:370
71390rcu_preempt0-21swapper/012:24:370
71390rcu_preempt0-21swapper/010:22:340
71390rcu_preempt0-21swapper/010:22:340
71390rcu_preempt0-21swapper/010:22:340
46050390irq/122-QManpo6045-2110:48:550
46050390irq/122-QManpo6045-2110:48:550
46050390irq/122-QManpo3933-2110:48:550
46050390irq/122-QManpo3933-2110:48:550
46050390irq/122-QManpo3933-2110:48:550
71380rcu_preempt28522-21kworker/1:211:53:141
71380rcu_preempt28522-21kworker/1:211:53:141
71380rcu_preempt0-21swapper/312:30:503
71380rcu_preempt0-21swapper/312:30:503
71380rcu_preempt0-21swapper/112:27:311
71380rcu_preempt0-21swapper/112:27:311
71380rcu_preempt0-21swapper/112:27:311
71380rcu_preempt0-21swapper/110:42:311
71380rcu_preempt0-21swapper/110:42:311
71380rcu_preempt0-21swapper/108:46:041
71380rcu_preempt0-21swapper/108:46:041
71380rcu_preempt0-21swapper/108:02:271
71380rcu_preempt0-21swapper/108:02:271
71380rcu_preempt0-21swapper/108:02:271
71380rcu_preempt0-21swapper/012:19:140
71380rcu_preempt0-21swapper/012:19:140
71380rcu_preempt0-21swapper/011:09:490
71380rcu_preempt0-21swapper/011:09:490
71380rcu_preempt0-21swapper/010:07:590
71380rcu_preempt0-21swapper/010:07:590
71380rcu_preempt0-21swapper/007:27:170
71380rcu_preempt0-21swapper/007:27:170
71380rcu_preempt0-21swapper/007:27:170
46050380irq/122-QManpo27998-2110:48:550
46050380irq/122-QManpo27998-2110:48:550
46050380irq/122-QManpo27998-2110:48:550
1599380migration/06690-21if_eth309:02:430
1599380migration/06690-21if_eth309:02:430
1599380migration/06690-21if_eth309:02:430
71370rcu_preempt20419-1kworker/1:0H11:30:321
71370rcu_preempt20419-1kworker/1:0H11:30:321
71370rcu_preempt1699migration/109:45:471
71370rcu_preempt1699migration/109:45:471
71370rcu_preempt0-21swapper/312:06:063
71370rcu_preempt0-21swapper/312:06:063
71370rcu_preempt0-21swapper/309:27:323
71370rcu_preempt0-21swapper/309:27:323
71370rcu_preempt0-21swapper/211:10:422
71370rcu_preempt0-21swapper/211:10:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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