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2026-06-12 - 17:28
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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 Fri Jun 12, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt0-21swapper/109:21:371
71730rcu_preempt0-21swapper/109:21:371
71730rcu_preempt0-21swapper/109:21:371
149232540chrt46650irq/116-QMan10:48:553
149232540chrt46650irq/116-QMan10:48:553
149232540chrt46650irq/116-QMan10:48:553
46050520irq/122-QManpo5402-2110:48:550
46050520irq/122-QManpo5402-2110:48:550
71510rcu_preempt0-21swapper/012:34:090
71510rcu_preempt0-21swapper/012:34:090
71510rcu_preempt0-21swapper/012:34:090
71440rcu_preempt0-21swapper/210:53:272
71440rcu_preempt0-21swapper/210:53:272
71440rcu_preempt0-21swapper/210:53:272
71440rcu_preempt0-21swapper/210:53:272
100650440irq/38-i2c-mpc32136-21ntp_states08:48:500
100650440irq/38-i2c-mpc32136-21ntp_states08:48:500
100650440irq/38-i2c-mpc32136-21ntp_states08:48:500
71430rcu_preempt16173-21sh09:33:150
71430rcu_preempt16173-21sh09:33:150
71430rcu_preempt16173-21sh09:33:150
1599430migration/023250-21/usr/sbin/munin08:18:310
1599430migration/023250-21/usr/sbin/munin08:18:310
71420rcu_preempt22344-21sh10:46:540
71420rcu_preempt22344-21sh10:46:540
71420rcu_preempt22344-21sh10:46:540
71420rcu_preempt13398-1kworker/1:2H10:32:271
71420rcu_preempt13398-1kworker/1:2H10:32:271
71420rcu_preempt13398-1kworker/1:2H10:32:271
71420rcu_preempt0-21swapper/207:20:462
71420rcu_preempt0-21swapper/207:20:462
71410rcu_preempt0-21swapper/110:26:111
71410rcu_preempt0-21swapper/110:26:111
99750400irq/38-i2c-mpc0-21swapper/010:24:120
99750400irq/38-i2c-mpc0-21swapper/010:24:120
71400rcu_preempt0-21swapper/210:58:162
71400rcu_preempt0-21swapper/210:58:162
71400rcu_preempt0-21swapper/210:58:162
99750390irq/38-i2c-mpc0-21swapper/011:44:300
99750390irq/38-i2c-mpc0-21swapper/011:44:300
99750390irq/38-i2c-mpc0-21swapper/011:44:300
71390rcu_preempt16184-21kworker/0:110:53:460
71390rcu_preempt16184-21kworker/0:110:53:460
71390rcu_preempt16184-21kworker/0:110:53:460
71390rcu_preempt0-21swapper/210:26:372
71390rcu_preempt0-21swapper/210:26:372
71390rcu_preempt0-21swapper/209:32:052
71390rcu_preempt0-21swapper/209:32:052
71390rcu_preempt0-21swapper/209:32:052
71390rcu_preempt0-21swapper/107:48:251
71390rcu_preempt0-21swapper/107:48:251
71390rcu_preempt0-21swapper/107:48:251
71390rcu_preempt0-21swapper/011:59:570
71390rcu_preempt0-21swapper/011:59:570
71390rcu_preempt0-21swapper/010:04:280
71390rcu_preempt0-21swapper/010:04:280
71390rcu_preempt0-21swapper/010:04:280
71390rcu_preempt0-21swapper/009:27:320
71390rcu_preempt0-21swapper/009:27:320
71390rcu_preempt0-21swapper/009:27:320
71390rcu_preempt0-21swapper/009:27:320
71390rcu_preempt0-21swapper/007:50:590
71390rcu_preempt0-21swapper/007:50:590
71390rcu_preempt0-21swapper/007:50:590
46050390irq/122-QManpo12773-2110:48:550
46050390irq/122-QManpo12773-2110:48:550
71380rcu_preempt5028-21ls07:13:401
71380rcu_preempt5028-21ls07:13:401
71380rcu_preempt3038-21grep10:08:500
71380rcu_preempt3038-21grep10:08:500
71380rcu_preempt0-21swapper/212:34:312
71380rcu_preempt0-21swapper/212:34:312
71380rcu_preempt0-21swapper/212:34:312
71380rcu_preempt0-21swapper/211:51:242
71380rcu_preempt0-21swapper/211:51:242
71380rcu_preempt0-21swapper/211:51:242
71380rcu_preempt0-21swapper/110:16:271
71380rcu_preempt0-21swapper/110:16:271
71380rcu_preempt0-21swapper/011:07:340
71380rcu_preempt0-21swapper/011:07:340
71380rcu_preempt0-21swapper/011:07:340
71380rcu_preempt0-21swapper/009:38:490
71380rcu_preempt0-21swapper/009:38:490
71380rcu_preempt0-21swapper/009:38:490
71380rcu_preempt0-21swapper/008:32:540
71380rcu_preempt0-21swapper/008:32:540
71380rcu_preempt0-21swapper/007:23:000
71380rcu_preempt0-21swapper/007:23:000
46650380irq/116-QManpo5467-2110:48:553
46650380irq/116-QManpo5467-2110:48:553
46050380irq/122-QManpo7953-2110:48:550
46050380irq/122-QManpo7953-2110:48:550
46050380irq/122-QManpo6467-2110:48:550
46050380irq/122-QManpo6467-2110:48:550
46050380irq/122-QManpo5311-2110:48:550
46050380irq/122-QManpo5311-2110:48:550
46050380irq/122-QManpo5311-2110:48:550
46050380irq/122-QManpo29192-2110:48:550
46050380irq/122-QManpo29192-2110:48:550
46050380irq/122-QManpo13973-2110:48:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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