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2026-04-29 - 02:09
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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 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71610rcu_preempt0-21swapper/323:59:093
71610rcu_preempt0-21swapper/323:59:093
71480rcu_preempt0-21swapper/121:23:161
71480rcu_preempt0-21swapper/121:23:161
46050460irq/122-QManpo31605-210
46050460irq/122-QManpo31605-210
46050460irq/122-QManpo31605-210
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
71450rcu_preempt26506-21kworker/2:323:10:422
71450rcu_preempt26506-21kworker/2:323:10:422
71440rcu_preempt32408-21grep19:30:451
71440rcu_preempt32408-21grep19:30:451
71440rcu_preempt0-21swapper/323:04:073
71440rcu_preempt0-21swapper/323:04:073
71430rcu_preempt1592-1expr19:31:313
71430rcu_preempt1592-1expr19:31:313
71430rcu_preempt0-21swapper/222:07:462
71430rcu_preempt0-21swapper/222:07:462
71430rcu_preempt0-21swapper/221:24:532
71430rcu_preempt0-21swapper/221:24:532
71430rcu_preempt0-21swapper/219:31:322
71430rcu_preempt0-21swapper/219:31:322
46450420irq/118-QManpo31531-2110:48:552
46450420irq/118-QManpo31531-2110:48:552
46450420irq/118-QManpo31531-2110:48:552
46050420irq/122-QManpo6878-2110:48:550
46050420irq/122-QManpo6878-2110:48:550
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71410rcu_preempt31208-21spawn19:22:311
71410rcu_preempt31208-21spawn19:22:311
71410rcu_preempt31208-21spawn19:22:311
71410rcu_preempt25709-21grep19:27:142
71410rcu_preempt25709-21grep19:27:142
71410rcu_preempt0-21swapper/123:22:511
71410rcu_preempt0-21swapper/123:22:511
71410rcu_preempt0-21swapper/123:22:511
71410rcu_preempt0-21swapper/119:26:471
71410rcu_preempt0-21swapper/119:26:471
46050410irq/122-QManpo5085-2110:48:550
46050410irq/122-QManpo5085-2110:48:550
46050410irq/122-QManpo0-210
46050410irq/122-QManpo0-210
46050410irq/122-QManpo0-210
71400rcu_preempt6711-21sh22:24:562
71400rcu_preempt6711-21sh22:24:562
71400rcu_preempt6711-21sh22:24:562
71400rcu_preempt11041-21ssh21:33:281
71400rcu_preempt11041-21ssh21:33:281
71400rcu_preempt11041-21ssh21:33:281
71400rcu_preempt0-21swapper/321:53:483
71400rcu_preempt0-21swapper/321:53:483
71400rcu_preempt0-21swapper/300:14:573
71400rcu_preempt0-21swapper/300:14:573
71400rcu_preempt0-21swapper/222:47:072
71400rcu_preempt0-21swapper/222:47:072
71400rcu_preempt0-21swapper/200:26:472
71400rcu_preempt0-21swapper/200:26:472
46050400irq/122-QManpo11284-2110:48:550
46050400irq/122-QManpo11284-2110:48:550
1599400migration/019956-21runrttasks21:50:130
1599400migration/019956-21runrttasks21:50:130
1599400migration/019956-21runrttasks21:50:130
71390rcu_preempt24216-21latency_hist22:57:402
71390rcu_preempt24216-21latency_hist22:57:402
71390rcu_preempt0-21swapper/223:59:192
71390rcu_preempt0-21swapper/223:59:192
71390rcu_preempt0-21swapper/223:02:562
71390rcu_preempt0-21swapper/223:02:562
71390rcu_preempt0-21swapper/220:47:462
71390rcu_preempt0-21swapper/220:47:462
71390rcu_preempt0-21swapper/122:16:471
71390rcu_preempt0-21swapper/122:16:471
46650390irq/116-QManpo29723-13
46650390irq/116-QManpo29723-13
46650390irq/116-QManpo29723-13
46050390irq/122-QManpo10908-2110:48:550
46050390irq/122-QManpo10908-2110:48:550
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
148412390sleep012758-1kworker/0:1H21:41:030
148412390sleep012758-1kworker/0:1H21:41:030
71380rcu_preempt10926-21taskset21:33:083
71380rcu_preempt10926-21taskset21:33:083
71380rcu_preempt10926-21taskset21:33:083
71380rcu_preempt0-21swapper/300:09:293
71380rcu_preempt0-21swapper/300:09:293
71380rcu_preempt0-21swapper/300:09:293
71380rcu_preempt0-21swapper/223:34:342
71380rcu_preempt0-21swapper/223:34:342
71380rcu_preempt0-21swapper/221:50:082
71380rcu_preempt0-21swapper/221:50:082
71380rcu_preempt0-21swapper/221:50:082
46050380irq/122-QManpo30471-2110:48:550
46050380irq/122-QManpo30471-2110:48:550
46050380irq/122-QManpo25360-2110:48:550
46050380irq/122-QManpo25360-2110:48:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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