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2025-12-17 - 20:08
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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 Wed Dec 17, 2025 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71810rcu_preempt0-21swapper/110:34:281
71810rcu_preempt0-21swapper/110:34:281
71660rcu_preempt7925-21kworker/0:111:05:100
71660rcu_preempt7925-21kworker/0:111:05:100
71640rcu_preempt0-21swapper/211:50:532
71640rcu_preempt0-21swapper/211:50:532
71640rcu_preempt0-21swapper/210:58:392
71640rcu_preempt0-21swapper/210:58:392
71600rcu_preempt10625-21kworker/0:308:05:100
71600rcu_preempt10625-21kworker/0:308:05:100
71580rcu_preempt0-21swapper/211:42:352
71580rcu_preempt0-21swapper/211:42:352
498399563cyclictest0-21swapper/012:18:480
498399563cyclictest0-21swapper/012:18:480
498399563cyclictest0-21swapper/012:18:480
71520rcu_preempt0-21swapper/209:40:112
71520rcu_preempt0-21swapper/209:40:112
71520rcu_preempt0-21swapper/209:40:112
71510rcu_preempt2141-21ssh10:55:113
71510rcu_preempt2141-21ssh10:55:113
71460rcu_preempt0-21swapper/312:17:593
71460rcu_preempt0-21swapper/312:17:593
71460rcu_preempt0-21swapper/312:17:593
71440rcu_preempt7924-1kworker/0:2H11:15:210
71440rcu_preempt7924-1kworker/0:2H11:15:210
46450440irq/118-QManpo4982-2110:48:552
46450440irq/118-QManpo4982-2110:48:552
71430rcu_preempt0-21swapper/211:22:452
71430rcu_preempt0-21swapper/211:22:452
71400rcu_preempt8934-1kworker/0:2H09:15:180
71400rcu_preempt8934-1kworker/0:2H09:15:180
71400rcu_preempt0-21swapper/310:43:533
71400rcu_preempt0-21swapper/310:43:533
71400rcu_preempt0-21swapper/009:39:030
71400rcu_preempt0-21swapper/009:39:030
71400rcu_preempt0-21swapper/009:39:030
71390rcu_preempt8035-1ssh11:05:163
71390rcu_preempt8035-1ssh11:05:163
71390rcu_preempt8035-1ssh11:05:163
71390rcu_preempt7014-21ssh10:06:362
71390rcu_preempt7014-21ssh10:06:362
71390rcu_preempt0-21swapper/009:13:450
71390rcu_preempt0-21swapper/009:13:450
46050390irq/122-QManpo32457-2110:48:550
46050390irq/122-QManpo32457-2110:48:550
71380rcu_preempt9188-21copy07:25:220
71380rcu_preempt9188-21copy07:25:220
71380rcu_preempt0-21swapper/211:35:112
71380rcu_preempt0-21swapper/211:35:112
71380rcu_preempt0-21swapper/012:25:270
71380rcu_preempt0-21swapper/012:25:270
71380rcu_preempt0-21swapper/010:03:280
71380rcu_preempt0-21swapper/010:03:280
71370rcu_preempt16847-21sh10:24:310
71370rcu_preempt16847-21sh10:24:310
71370rcu_preempt0-21swapper/307:25:343
71370rcu_preempt0-21swapper/307:25:343
71370rcu_preempt0-21swapper/011:34:150
71370rcu_preempt0-21swapper/011:34:150
71370rcu_preempt0-21swapper/010:59:160
71370rcu_preempt0-21swapper/010:59:160
71370rcu_preempt0-21swapper/010:45:200
71370rcu_preempt0-21swapper/010:45:200
71370rcu_preempt0-21swapper/007:45:110
46050370irq/122-QManpo31745-2110:48:550
46050370irq/122-QManpo31745-2110:48:550
71360rcu_preempt23608-21ssh10:35:310
71360rcu_preempt23608-21ssh10:35:310
71360rcu_preempt0-21swapper/309:45:093
71360rcu_preempt0-21swapper/309:45:093
71360rcu_preempt0-21swapper/212:30:112
71360rcu_preempt0-21swapper/212:30:112
71360rcu_preempt0-21swapper/211:14:352
71360rcu_preempt0-21swapper/211:14:352
71360rcu_preempt0-21swapper/011:55:110
71360rcu_preempt0-21swapper/011:55:110
71360rcu_preempt0-21swapper/011:20:480
71360rcu_preempt0-21swapper/011:20:480
71360rcu_preempt0-21swapper/011:10:070
71360rcu_preempt0-21swapper/011:10:070
71360rcu_preempt0-21swapper/011:10:070
71360rcu_preempt0-21swapper/010:30:440
71360rcu_preempt0-21swapper/010:30:440
71360rcu_preempt0-21swapper/010:05:190
71360rcu_preempt0-21swapper/010:05:190
71360rcu_preempt0-21swapper/009:58:030
71360rcu_preempt0-21swapper/009:58:030
71360rcu_preempt0-21swapper/009:58:030
71360rcu_preempt0-21swapper/007:25:060
71360rcu_preempt0-21swapper/007:25:060
2899360migration/34337-21taskset07:05:343
2899360migration/34337-21taskset07:05:343
71350rcu_preempt15970-21ssh10:22:151
71350rcu_preempt15970-21ssh10:22:151
71350rcu_preempt15689-21runrttasks12:14:130
71350rcu_preempt15689-21runrttasks12:14:130
71350rcu_preempt0-21swapper/211:58:532
71350rcu_preempt0-21swapper/211:58:532
71350rcu_preempt0-21swapper/211:58:532
71350rcu_preempt0-21swapper/211:49:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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