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2025-09-17 - 21:15
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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 Sep 17, 2025 12:53:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79562600chrt46650irq/116-QMan09:24:363
79562600chrt46650irq/116-QMan09:24:363
46050420irq/122-QManpo27068-2109:24:360
46050420irq/122-QManpo27068-2109:24:360
71410rcu_preempt0-21swapper/012:45:380
71410rcu_preempt0-21swapper/012:45:380
71410rcu_preempt0-21swapper/012:45:380
71410rcu_preempt0-21swapper/012:45:380
100550410irq/38-i2c-mpc181ksoftirqd/109:42:221
100550410irq/38-i2c-mpc181ksoftirqd/109:42:221
71400rcu_preempt1495-21dpkg10:11:360
71400rcu_preempt1495-21dpkg10:11:360
71400rcu_preempt0-21swapper/212:17:022
71400rcu_preempt0-21swapper/212:17:022
71390rcu_preempt21693-21ssh11:54:502
71390rcu_preempt21693-21ssh11:54:502
71390rcu_preempt21693-21ssh11:54:502
71390rcu_preempt1288-21latency_hist10:11:262
71390rcu_preempt1288-21latency_hist10:11:262
46050390irq/122-QManpo9188-2109:24:360
46050390irq/122-QManpo9188-2109:24:360
46050390irq/122-QManpo8626-2109:24:360
46050390irq/122-QManpo8626-2109:24:360
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
100550390irq/38-i2c-mpc0-21swapper/009:12:150
100550390irq/38-i2c-mpc0-21swapper/009:12:150
71380rcu_preempt0-21swapper/211:04:072
71380rcu_preempt0-21swapper/211:04:072
71380rcu_preempt0-21swapper/010:02:120
71380rcu_preempt0-21swapper/010:02:120
71380rcu_preempt0-21swapper/009:44:000
71380rcu_preempt0-21swapper/009:44:000
46050380irq/122-QManpo20382-2109:24:360
46050380irq/122-QManpo20382-2109:24:360
46050380irq/122-QManpo20382-2109:24:360
71370rcu_preempt0-21swapper/011:06:230
71370rcu_preempt0-21swapper/011:06:230
71370rcu_preempt0-21swapper/009:06:020
71370rcu_preempt0-21swapper/009:06:020
71370rcu_preempt0-21swapper/008:26:510
71370rcu_preempt0-21swapper/008:26:510
46050370irq/122-QManpo19553-2109:24:360
46050370irq/122-QManpo19553-2109:24:360
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
252252370sleep025127-1kworker/0:0H13:02:530
252252370sleep025127-1kworker/0:0H13:02:530
71360rcu_preempt28132-21/usr/sbin/munin08:21:370
71360rcu_preempt28132-21/usr/sbin/munin08:21:370
71360rcu_preempt28132-21/usr/sbin/munin08:21:370
71360rcu_preempt0-21swapper/209:42:092
71360rcu_preempt0-21swapper/209:42:092
71360rcu_preempt0-21swapper/012:57:350
71360rcu_preempt0-21swapper/012:57:350
71360rcu_preempt0-21swapper/012:10:100
71360rcu_preempt0-21swapper/012:10:100
71360rcu_preempt0-21swapper/011:44:260
71360rcu_preempt0-21swapper/011:44:260
71360rcu_preempt0-21swapper/011:34:220
71360rcu_preempt0-21swapper/011:34:220
46050360irq/122-QManpo23363-2109:24:360
46050360irq/122-QManpo23363-2109:24:360
46050360irq/122-QManpo23363-2109:24:360
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
223322360sleep010876-1kworker/0:2H08:00:240
223322360sleep010876-1kworker/0:2H08:00:240
223322360sleep010876-1kworker/0:2H08:00:240
1599360migration/017999-21sh10:42:110
1599360migration/017999-21sh10:42:110
71350rcu_preempt0-21swapper/311:56:493
71350rcu_preempt0-21swapper/311:56:493
71350rcu_preempt0-21swapper/311:56:493
71350rcu_preempt0-21swapper/213:11:312
71350rcu_preempt0-21swapper/212:30:472
71350rcu_preempt0-21swapper/212:30:472
71350rcu_preempt0-21swapper/212:14:112
71350rcu_preempt0-21swapper/212:14:112
71350rcu_preempt0-21swapper/212:14:112
71350rcu_preempt0-21swapper/211:21:252
71350rcu_preempt0-21swapper/211:21:252
71350rcu_preempt0-21swapper/208:56:332
71350rcu_preempt0-21swapper/208:56:332
71350rcu_preempt0-21swapper/111:31:471
71350rcu_preempt0-21swapper/111:31:471
71350rcu_preempt0-21swapper/110:47:271
71350rcu_preempt0-21swapper/110:47:271
71350rcu_preempt0-21swapper/009:18:050
71350rcu_preempt0-21swapper/009:18:050
71350rcu_preempt0-21swapper/009:18:050
46650350irq/116-QManpo0-2109:24:363
46650350irq/116-QManpo0-2109:24:363
46650350irq/116-QManpo0-2109:24:363
46650350irq/116-QManpo0-2109:24:363
46050350irq/122-QManpo6779-2109:24:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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