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2026-04-29 - 15:19
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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 Apr 29, 2026 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71500rcu_preempt0-21swapper/111:12:591
71500rcu_preempt0-21swapper/111:12:591
71490rcu_preempt0-21swapper/111:53:091
71490rcu_preempt0-21swapper/111:53:091
71480rcu_preempt0-21swapper/008:42:450
71480rcu_preempt0-21swapper/008:42:450
71480rcu_preempt0-21swapper/008:42:450
71470rcu_preempt0-21swapper/210:49:352
71470rcu_preempt0-21swapper/210:49:352
71470rcu_preempt0-21swapper/210:49:352
46050470irq/122-QManpo0-210
46050470irq/122-QManpo0-210
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
46050450irq/122-QManpo0-210
46050450irq/122-QManpo0-210
71440rcu_preempt0-21swapper/312:26:413
71440rcu_preempt0-21swapper/312:26:413
71440rcu_preempt0-21swapper/312:26:413
71430rcu_preempt0-21swapper/111:27:491
71430rcu_preempt0-21swapper/111:27:491
71430rcu_preempt0-21swapper/111:27:491
71410rcu_preempt0-21swapper/010:14:020
71410rcu_preempt0-21swapper/010:14:020
71410rcu_preempt0-21swapper/010:07:090
71410rcu_preempt0-21swapper/010:07:090
71410rcu_preempt0-21swapper/010:07:090
1599410migration/011821-21sh10:27:270
1599410migration/011821-21sh10:27:270
71400rcu_preempt10291-21unixbench_multi10:23:041
71400rcu_preempt10291-21unixbench_multi10:23:041
46650400irq/116-QManpo1662-2110:48:553
46650400irq/116-QManpo1662-2110:48:553
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
71390rcu_preempt0-21swapper/207:44:352
71390rcu_preempt0-21swapper/207:44:352
71390rcu_preempt0-21swapper/207:44:352
46050390irq/122-QManpo2098-2110:48:550
46050390irq/122-QManpo2098-2110:48:550
46050390irq/122-QManpo19660-2110:48:550
46050390irq/122-QManpo19660-2110:48:550
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
71380rcu_preempt21623-1kworker/2:2H08:21:002
71380rcu_preempt21623-1kworker/2:2H08:21:002
71380rcu_preempt21623-1kworker/2:2H08:21:002
71380rcu_preempt19527-21sendmail-msp11:47:302
71380rcu_preempt19527-21sendmail-msp11:47:302
71380rcu_preempt19527-21sendmail-msp11:47:302
71380rcu_preempt1321-21ssh10:07:490
71380rcu_preempt1321-21ssh10:07:490
71380rcu_preempt1321-21ssh10:07:490
71380rcu_preempt0-21swapper/210:12:002
71380rcu_preempt0-21swapper/210:12:002
71380rcu_preempt0-21swapper/210:12:002
46050380irq/122-QManpo31598-2110:48:550
46050380irq/122-QManpo31598-2110:48:550
46050380irq/122-QManpo25538-2110:48:550
46050380irq/122-QManpo25538-2110:48:550
46050380irq/122-QManpo25538-2110:48:550
46050380irq/122-QManpo25538-2110:48:550
46050380irq/122-QManpo13251-2110:48:550
46050380irq/122-QManpo13251-2110:48:550
71370rcu_preempt1959-21runrttasks12:42:380
71370rcu_preempt1959-21runrttasks12:42:380
71370rcu_preempt0-21swapper/309:32:153
71370rcu_preempt0-21swapper/309:32:153
71370rcu_preempt0-21swapper/309:32:153
71370rcu_preempt0-21swapper/309:12:453
71370rcu_preempt0-21swapper/309:12:453
71370rcu_preempt0-21swapper/308:42:573
71370rcu_preempt0-21swapper/308:42:573
71370rcu_preempt0-21swapper/308:42:573
71370rcu_preempt0-21swapper/212:37:352
71370rcu_preempt0-21swapper/212:37:352
71370rcu_preempt0-21swapper/212:30:182
71370rcu_preempt0-21swapper/212:30:182
71370rcu_preempt0-21swapper/211:49:062
71370rcu_preempt0-21swapper/211:49:062
71370rcu_preempt0-21swapper/211:49:062
71370rcu_preempt0-21swapper/211:17:222
71370rcu_preempt0-21swapper/211:17:222
71370rcu_preempt0-21swapper/012:27:270
71370rcu_preempt0-21swapper/012:27:270
71370rcu_preempt0-21swapper/012:27:270
71370rcu_preempt0-21swapper/011:54:090
71370rcu_preempt0-21swapper/011:54:090
71370rcu_preempt0-21swapper/009:52:220
71370rcu_preempt0-21swapper/009:52:220
71370rcu_preempt0-21swapper/009:52:220
71370rcu_preempt0-21swapper/008:29:510
71370rcu_preempt0-21swapper/008:29:510
46450370irq/118-QManpo0-2110:48:552
46450370irq/118-QManpo0-2110:48:552
46050370irq/122-QManpo7246-2110:48:550
46050370irq/122-QManpo7246-2110:48:550
46050370irq/122-QManpo7246-2110:48:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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