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2026-05-03 - 10:45
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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 Sun May 03, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/222:36:152
71670rcu_preempt0-21swapper/222:36:152
71620rcu_preempt15229-1kworker/2:1H22:08:222
71620rcu_preempt15229-1kworker/2:1H22:08:222
71620rcu_preempt15229-1kworker/2:1H22:08:222
71600rcu_preempt0-21swapper/023:20:040
71600rcu_preempt0-21swapper/023:20:040
71590rcu_preempt0-21swapper/022:50:260
71590rcu_preempt0-21swapper/022:50:260
71510rcu_preempt18992-21grep19:13:062
71510rcu_preempt18992-21grep19:13:062
46050480irq/122-QManpo0-210
46050480irq/122-QManpo0-210
71470rcu_preempt14969-21grep19:11:011
71470rcu_preempt14969-21grep19:11:011
71470rcu_preempt13521-21grep19:10:092
71470rcu_preempt13521-21grep19:10:092
71440rcu_preempt0-21swapper/019:14:040
71440rcu_preempt0-21swapper/019:14:040
71430rcu_preempt0-21swapper/123:37:501
71430rcu_preempt0-21swapper/123:37:501
46650420irq/116-QManpo15795-2110:48:553
46650420irq/116-QManpo15795-2110:48:553
46050420irq/122-QManpo4202-2110:48:550
46050420irq/122-QManpo4202-2110:48:550
46050420irq/122-QManpo4202-2110:48:550
100650420irq/38-i2c-mpc0-21swapper/000:07:520
100650420irq/38-i2c-mpc0-21swapper/000:07:520
100650420irq/38-i2c-mpc0-21swapper/000:07:520
71410rcu_preempt0-21swapper/123:52:481
71410rcu_preempt0-21swapper/121:34:011
71410rcu_preempt0-21swapper/121:34:011
71410rcu_preempt0-21swapper/021:51:130
71410rcu_preempt0-21swapper/021:51:130
71410rcu_preempt0-21swapper/021:51:130
71400rcu_preempt3912-21sh22:33:111
71400rcu_preempt3912-21sh22:33:111
71400rcu_preempt32677-21sh23:26:502
71400rcu_preempt32677-21sh23:26:502
71400rcu_preempt32677-21sh23:26:502
71400rcu_preempt2601-1kworker/0:3H23:31:210
71400rcu_preempt2601-1kworker/0:3H23:31:210
71400rcu_preempt2601-1kworker/0:3H23:31:210
71400rcu_preempt13629-1kworker/2:0H20:43:062
71400rcu_preempt13629-1kworker/2:0H20:43:062
71400rcu_preempt0-21swapper/319:13:233
71400rcu_preempt0-21swapper/319:13:233
71400rcu_preempt0-21swapper/223:57:502
71400rcu_preempt0-21swapper/223:57:502
71400rcu_preempt0-21swapper/222:25:392
71400rcu_preempt0-21swapper/222:25:392
71400rcu_preempt0-21swapper/222:03:572
71400rcu_preempt0-21swapper/222:03:572
71400rcu_preempt0-21swapper/222:03:572
71400rcu_preempt0-21swapper/122:02:481
71400rcu_preempt0-21swapper/122:02:481
71400rcu_preempt0-21swapper/122:02:481
71400rcu_preempt0-21swapper/121:50:111
71400rcu_preempt0-21swapper/121:50:111
71400rcu_preempt0-21swapper/121:50:111
71390rcu_preempt3991-21sh21:34:362
71390rcu_preempt3991-21sh21:34:362
71390rcu_preempt11253-21sh23:47:150
71390rcu_preempt11253-21sh23:47:150
71390rcu_preempt0-21swapper/223:33:302
71390rcu_preempt0-21swapper/223:33:302
71390rcu_preempt0-21swapper/223:29:012
71390rcu_preempt0-21swapper/223:29:012
71390rcu_preempt0-21swapper/223:29:012
71390rcu_preempt0-21swapper/122:48:031
71390rcu_preempt0-21swapper/122:48:031
71390rcu_preempt0-21swapper/122:30:431
71390rcu_preempt0-21swapper/122:30:431
71390rcu_preempt0-21swapper/122:30:431
71390rcu_preempt0-21swapper/023:10:060
71390rcu_preempt0-21swapper/023:10:060
71390rcu_preempt0-21swapper/023:10:060
71390rcu_preempt0-21swapper/022:42:490
71390rcu_preempt0-21swapper/022:42:490
71390rcu_preempt0-21swapper/022:33:380
71390rcu_preempt0-21swapper/022:33:380
71380rcu_preempt9583-1kworker/2:3H21:44:552
71380rcu_preempt9583-1kworker/2:3H21:44:552
71380rcu_preempt0-21swapper/323:35:193
71380rcu_preempt0-21swapper/323:35:193
71380rcu_preempt0-21swapper/223:53:252
71380rcu_preempt0-21swapper/223:53:252
71380rcu_preempt0-21swapper/222:43:152
71380rcu_preempt0-21swapper/222:43:152
71380rcu_preempt0-21swapper/221:59:262
71380rcu_preempt0-21swapper/221:59:262
71380rcu_preempt0-21swapper/221:59:262
71380rcu_preempt0-21swapper/219:28:392
71380rcu_preempt0-21swapper/219:28:392
71380rcu_preempt0-21swapper/022:08:030
71380rcu_preempt0-21swapper/022:08:030
71380rcu_preempt0-21swapper/022:08:030
71380rcu_preempt0-21swapper/019:18:390
71380rcu_preempt0-21swapper/019:18:390
46050380irq/122-QManpo22445-2110:48:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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