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2026-03-28 - 07:17
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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 Sat Mar 28, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71720rcu_preempt0-21swapper/200:13:082
71720rcu_preempt0-21swapper/200:13:082
71660rcu_preempt0-21swapper/321:48:433
71660rcu_preempt0-21swapper/321:48:433
71520rcu_preempt0-21swapper/222:33:542
71520rcu_preempt0-21swapper/222:33:542
71520rcu_preempt0-21swapper/222:33:542
100650510irq/38-i2c-mpc291rcuc/300:08:203
100650510irq/38-i2c-mpc291rcuc/300:08:203
71460rcu_preempt0-21swapper/200:04:182
71460rcu_preempt0-21swapper/200:04:182
71460rcu_preempt0-21swapper/200:04:182
71440rcu_preempt0-21swapper/022:33:110
71440rcu_preempt0-21swapper/022:33:110
71440rcu_preempt0-21swapper/022:33:110
71430rcu_preempt6679-21cyclictest00:27:011
71430rcu_preempt6679-21cyclictest00:27:011
71430rcu_preempt6679-21cyclictest00:27:011
71420rcu_preempt31773-21proc_pri22:52:331
71420rcu_preempt31773-21proc_pri22:52:331
71420rcu_preempt31773-21proc_pri22:52:331
71420rcu_preempt28508-1kworker/3:0H23:05:073
71420rcu_preempt28508-1kworker/3:0H23:05:073
71420rcu_preempt0-21swapper/122:27:121
71420rcu_preempt0-21swapper/122:27:121
71420rcu_preempt0-21swapper/122:27:121
46050420irq/122-QManpo1959-2110:48:550
46050420irq/122-QManpo1959-2110:48:550
46050420irq/122-QManpo1959-2110:48:550
71410rcu_preempt16753-1kworker/0:2H00:22:120
71410rcu_preempt16753-1kworker/0:2H00:22:120
71410rcu_preempt16753-1kworker/0:2H00:22:120
71410rcu_preempt0-21swapper/200:23:082
71410rcu_preempt0-21swapper/200:23:082
71410rcu_preempt0-21swapper/200:23:082
71410rcu_preempt0-21swapper/019:09:250
71410rcu_preempt0-21swapper/019:09:250
71410rcu_preempt0-21swapper/000:07:090
71410rcu_preempt0-21swapper/000:07:090
46050410irq/122-QManpo29376-210
46050410irq/122-QManpo29376-210
46050410irq/122-QManpo29376-210
46050410irq/122-QManpo29376-210
46050410irq/122-QManpo11244-2110:48:550
46050410irq/122-QManpo11244-2110:48:550
71400rcu_preempt4962-1kworker/1:4H19:11:581
71400rcu_preempt4962-1kworker/1:4H19:11:581
71400rcu_preempt0-21swapper/122:42:241
71400rcu_preempt0-21swapper/122:42:241
71400rcu_preempt0-21swapper/122:42:241
71400rcu_preempt0-21swapper/122:42:241
71400rcu_preempt0-21swapper/122:02:561
71400rcu_preempt0-21swapper/122:02:561
71400rcu_preempt0-21swapper/122:02:561
71400rcu_preempt0-21swapper/121:57:171
71400rcu_preempt0-21swapper/121:57:171
71400rcu_preempt0-21swapper/121:57:171
71400rcu_preempt0-21swapper/121:51:571
71400rcu_preempt0-21swapper/121:51:571
71400rcu_preempt0-21swapper/100:07:031
71400rcu_preempt0-21swapper/100:07:031
71400rcu_preempt0-21swapper/100:07:031
71390rcu_preempt4714-21ssh23:02:210
71390rcu_preempt4714-21ssh23:02:210
71390rcu_preempt28505-1ssh23:44:531
71390rcu_preempt28505-1ssh23:44:531
71390rcu_preempt28505-1ssh23:44:531
71390rcu_preempt25893-1kworker/0:1H22:47:590
71390rcu_preempt25893-1kworker/0:1H22:47:590
71390rcu_preempt25893-1kworker/0:1H22:47:590
71390rcu_preempt14977-21sh21:23:590
71390rcu_preempt14977-21sh21:23:590
71390rcu_preempt0-21swapper/323:23:033
71390rcu_preempt0-21swapper/323:23:033
71390rcu_preempt0-21swapper/323:23:033
71390rcu_preempt0-21swapper/123:02:561
71390rcu_preempt0-21swapper/123:02:561
71390rcu_preempt0-21swapper/023:23:400
71390rcu_preempt0-21swapper/023:23:400
71390rcu_preempt0-21swapper/023:23:400
46050390irq/122-QManpo3326-2110:48:550
46050390irq/122-QManpo3326-2110:48:550
46050390irq/122-QManpo3326-2110:48:550
71380rcu_preempt0-21swapper/223:22:212
71380rcu_preempt0-21swapper/223:22:212
71380rcu_preempt0-21swapper/223:22:212
71380rcu_preempt0-21swapper/221:45:312
71380rcu_preempt0-21swapper/221:45:312
71380rcu_preempt0-21swapper/221:45:312
71380rcu_preempt0-21swapper/221:42:022
71380rcu_preempt0-21swapper/221:42:022
71380rcu_preempt0-21swapper/221:42:022
71380rcu_preempt0-21swapper/122:08:131
71380rcu_preempt0-21swapper/122:08:131
71380rcu_preempt0-21swapper/122:08:131
71380rcu_preempt0-21swapper/121:47:071
71380rcu_preempt0-21swapper/121:47:071
71380rcu_preempt0-21swapper/119:38:511
71380rcu_preempt0-21swapper/119:38:511
71380rcu_preempt0-21swapper/119:38:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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