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2026-06-16 - 10:31
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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 Tue Jun 16, 2026 00:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71650rcu_preempt0-21swapper/021:39:390
71650rcu_preempt0-21swapper/021:39:390
71650rcu_preempt0-21swapper/021:39:390
46050530irq/122-QManpo30412-2110:48:550
46050530irq/122-QManpo30412-2110:48:550
46050530irq/122-QManpo30412-2110:48:550
71510rcu_preempt0-21swapper/023:15:310
71510rcu_preempt0-21swapper/023:15:310
71510rcu_preempt0-21swapper/023:15:310
71510rcu_preempt0-21swapper/020:54:380
71510rcu_preempt0-21swapper/020:54:380
71480rcu_preempt0-21swapper/222:02:022
71480rcu_preempt0-21swapper/222:02:022
71480rcu_preempt0-21swapper/222:02:022
71460rcu_preempt0-21swapper/022:09:350
71460rcu_preempt0-21swapper/022:09:350
46650460irq/116-QManpo29603-2110:48:553
46650460irq/116-QManpo29603-2110:48:553
46650460irq/116-QManpo29603-2110:48:553
71440rcu_preempt0-21swapper/200:33:462
71440rcu_preempt0-21swapper/200:33:462
71430rcu_preempt6019-21sort19:24:272
71430rcu_preempt6019-21sort19:24:272
71430rcu_preempt32540-1kworker/1:3H00:11:281
71430rcu_preempt32540-1kworker/1:3H00:11:281
71430rcu_preempt0-21swapper/019:25:110
71430rcu_preempt0-21swapper/019:25:110
71430rcu_preempt0-21swapper/000:12:260
71430rcu_preempt0-21swapper/000:12:260
71420rcu_preempt0-21swapper/019:20:170
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71410rcu_preempt20730-21spawn19:17:063
71410rcu_preempt20730-21spawn19:17:063
71410rcu_preempt0-21swapper/119:24:371
71410rcu_preempt0-21swapper/119:24:371
71410rcu_preempt0-21swapper/022:56:560
71410rcu_preempt0-21swapper/022:56:560
71410rcu_preempt0-21swapper/022:56:560
71410rcu_preempt0-21swapper/020:48:470
71410rcu_preempt0-21swapper/020:48:470
71410rcu_preempt0-21swapper/000:30:590
71410rcu_preempt0-21swapper/000:30:590
71410rcu_preempt0-21swapper/000:30:590
46250410irq/120-QManpo30414-2110:48:551
46250410irq/120-QManpo30414-2110:48:551
46250410irq/120-QManpo30414-2110:48:551
71400rcu_preempt24484-21taskset22:47:040
71400rcu_preempt24484-21taskset22:47:040
71400rcu_preempt24484-21taskset22:47:040
71400rcu_preempt21348-21kworker/0:321:19:550
71400rcu_preempt21348-21kworker/0:321:19:550
71400rcu_preempt21348-21kworker/0:321:19:550
71400rcu_preempt21083-21sendmail-msp00:17:360
71400rcu_preempt21083-21sendmail-msp00:17:360
71400rcu_preempt21083-21sendmail-msp00:17:360
71400rcu_preempt20687-21kworker/2:422:23:502
71400rcu_preempt20687-21kworker/2:422:23:502
71400rcu_preempt20687-21kworker/2:422:23:502
71400rcu_preempt0-21swapper/221:15:572
71400rcu_preempt0-21swapper/221:15:572
71400rcu_preempt0-21swapper/221:15:572
71400rcu_preempt0-21swapper/200:40:452
71400rcu_preempt0-21swapper/200:40:452
71400rcu_preempt0-21swapper/022:13:470
71400rcu_preempt0-21swapper/022:13:470
71400rcu_preempt0-21swapper/022:13:470
71400rcu_preempt0-21swapper/000:28:290
71400rcu_preempt0-21swapper/000:28:290
71400rcu_preempt0-21swapper/000:28:290
71400rcu_preempt0-21swapper/000:20:400
71400rcu_preempt0-21swapper/000:20:400
71390rcu_preempt419-21spawn19:16:180
71390rcu_preempt419-21spawn19:16:180
71390rcu_preempt4136-1kworker/2:1H22:13:312
71390rcu_preempt3419-21ssh22:08:090
71390rcu_preempt3419-21ssh22:08:090
71390rcu_preempt3419-21ssh22:08:090
71390rcu_preempt18808-21sh00:40:550
71390rcu_preempt18808-21sh00:40:550
71390rcu_preempt0-21swapper/222:29:282
71390rcu_preempt0-21swapper/222:29:282
71390rcu_preempt0-21swapper/222:29:282
71390rcu_preempt0-21swapper/123:24:181
71390rcu_preempt0-21swapper/123:24:181
71390rcu_preempt0-21swapper/022:58:330
71390rcu_preempt0-21swapper/022:58:330
71390rcu_preempt0-21swapper/022:58:330
46050390irq/122-QManpo20530-2110:48:550
46050390irq/122-QManpo20530-2110:48:550
46050390irq/122-QManpo20530-2110:48:550
71380rcu_preempt24089-21ssh23:48:411
71380rcu_preempt24089-21ssh23:48:411
71380rcu_preempt24089-21ssh23:48:411
71380rcu_preempt0-21swapper/219:21:112
71380rcu_preempt0-21swapper/121:50:251
71380rcu_preempt0-21swapper/121:50:251
71380rcu_preempt0-21swapper/121:50:251
71380rcu_preempt0-21swapper/121:50:251
71380rcu_preempt0-21swapper/121:31:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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