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2025-11-08 - 20:11
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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 Nov 08, 2025 12:53:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/210:54:312
71670rcu_preempt0-21swapper/210:54:312
71490rcu_preempt21545-21copy09:32:233
71490rcu_preempt21545-21copy09:32:233
71430rcu_preempt0-21swapper/207:56:532
71430rcu_preempt0-21swapper/207:56:532
71430rcu_preempt0-21swapper/111:12:351
71430rcu_preempt0-21swapper/111:12:351
71420rcu_preempt0-21swapper/312:42:293
71420rcu_preempt0-21swapper/312:42:293
71410rcu_preempt24202-1kworker/2:1H12:42:402
71410rcu_preempt24202-1kworker/2:1H12:42:402
71410rcu_preempt0-21swapper/111:23:251
71410rcu_preempt0-21swapper/111:23:251
71410rcu_preempt0-21swapper/111:23:251
46050410irq/122-QManpo10398-2109:24:360
46050410irq/122-QManpo10398-2109:24:360
71400rcu_preempt16870-1kworker/3:1H09:32:373
71400rcu_preempt16870-1kworker/3:1H09:32:373
71400rcu_preempt16870-1kworker/3:1H09:32:373
71400rcu_preempt0-21swapper/112:42:481
71400rcu_preempt0-21swapper/112:42:481
46050400irq/122-QManpo8541-2109:24:360
46050400irq/122-QManpo8541-2109:24:360
46050400irq/122-QManpo18010-2109:24:360
46050400irq/122-QManpo18010-2109:24:360
71390rcu_preempt9158-1kworker/3:1H08:47:383
71390rcu_preempt9158-1kworker/3:1H08:47:383
71390rcu_preempt9158-1kworker/3:1H08:47:383
71390rcu_preempt0-21swapper/210:37:352
71390rcu_preempt0-21swapper/210:37:352
71390rcu_preempt0-21swapper/210:37:352
71390rcu_preempt0-21swapper/009:59:480
71390rcu_preempt0-21swapper/009:59:480
71390rcu_preempt0-21swapper/008:37:330
71390rcu_preempt0-21swapper/008:37:330
46450390irq/118-QManpo8732-2109:24:362
46050390irq/122-QManpo8417-2109:24:360
46050390irq/122-QManpo8417-2109:24:360
46050390irq/122-QManpo16924-2109:24:360
46050390irq/122-QManpo16924-2109:24:360
46050390irq/122-QManpo16924-2109:24:360
71380rcu_preempt3083-1runrttasks08:23:402
71380rcu_preempt3083-1runrttasks08:23:402
71380rcu_preempt22474-21seq10:37:401
71380rcu_preempt22474-21seq10:37:401
71380rcu_preempt22474-21seq10:37:401
71380rcu_preempt17634-21taskset12:31:040
71380rcu_preempt17634-21taskset12:31:040
71380rcu_preempt17634-21taskset12:31:040
71380rcu_preempt0-21swapper/012:26:520
71380rcu_preempt0-21swapper/012:26:520
71380rcu_preempt0-21swapper/012:26:520
71380rcu_preempt0-21swapper/012:20:230
71380rcu_preempt0-21swapper/012:20:230
71380rcu_preempt0-21swapper/010:57:470
71380rcu_preempt0-21swapper/010:57:470
71380rcu_preempt0-21swapper/010:12:250
46050380irq/122-QManpo3848-2109:24:360
46050380irq/122-QManpo3848-2109:24:360
46050380irq/122-QManpo20893-2109:24:360
46050380irq/122-QManpo20893-2109:24:360
71370rcu_preempt23873-1kworker/0:0H12:42:300
71370rcu_preempt23873-1kworker/0:0H12:42:300
71370rcu_preempt0-21swapper/110:56:131
71370rcu_preempt0-21swapper/110:56:131
71370rcu_preempt0-21swapper/108:37:291
71370rcu_preempt0-21swapper/108:37:291
71370rcu_preempt0-21swapper/108:37:261
71370rcu_preempt0-21swapper/108:37:261
71370rcu_preempt0-21swapper/012:50:500
71370rcu_preempt0-21swapper/012:50:500
71370rcu_preempt0-21swapper/012:50:500
71370rcu_preempt0-21swapper/012:07:260
71370rcu_preempt0-21swapper/011:38:010
71370rcu_preempt0-21swapper/011:38:010
71370rcu_preempt0-21swapper/010:23:080
71370rcu_preempt0-21swapper/010:23:080
71370rcu_preempt0-21swapper/010:22:250
71370rcu_preempt0-21swapper/010:22:250
71370rcu_preempt0-21swapper/010:08:110
71370rcu_preempt0-21swapper/009:02:390
71370rcu_preempt0-21swapper/009:02:390
46050370irq/122-QManpo5412-2109:24:360
46050370irq/122-QManpo5412-2109:24:360
46050370irq/122-QManpo31440-2109:24:360
46050370irq/122-QManpo31440-2109:24:360
46050370irq/122-QManpo26730-2109:24:360
46050370irq/122-QManpo26730-2109:24:360
46050370irq/122-QManpo21464-2109:24:360
46050370irq/122-QManpo21464-2109:24:360
71360rcu_preempt23016-21cyclictest11:27:353
71360rcu_preempt23016-21cyclictest11:27:353
71360rcu_preempt23016-21cyclictest11:27:353
71360rcu_preempt0-21swapper/311:21:523
71360rcu_preempt0-21swapper/311:21:523
71360rcu_preempt0-21swapper/210:17:442
71360rcu_preempt0-21swapper/210:17:442
71360rcu_preempt0-21swapper/210:17:442
71360rcu_preempt0-21swapper/210:03:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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