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2025-11-26 - 09:11
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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 Wed Nov 26, 2025 00:53:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99650440irq/38-i2c-mpc26092-21ssh23:31:140
99650440irq/38-i2c-mpc26092-21ssh23:31:140
99650440irq/38-i2c-mpc26092-21ssh23:31:140
71440rcu_preempt6962-21ssh00:58:083
71440rcu_preempt6962-21ssh00:58:083
71410rcu_preempt0-21swapper/100:42:521
71410rcu_preempt0-21swapper/100:42:521
71400rcu_preempt0-21swapper/223:17:412
71400rcu_preempt0-21swapper/223:17:412
71400rcu_preempt0-21swapper/223:17:412
71400rcu_preempt0-21swapper/022:44:210
71400rcu_preempt0-21swapper/022:44:210
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
71390rcu_preempt742-1kworker/0:2H00:02:530
71390rcu_preempt742-1kworker/0:2H00:02:530
71390rcu_preempt27268-21diskstats21:22:563
71390rcu_preempt27268-21diskstats21:22:563
46050390irq/122-QManpo5255-2109:24:360
46050390irq/122-QManpo5255-2109:24:360
46050390irq/122-QManpo5255-2109:24:360
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
71380rcu_preempt6747-21taskset22:53:321
71380rcu_preempt6747-21taskset22:53:321
71380rcu_preempt6747-21taskset22:53:321
71380rcu_preempt0-21swapper/101:11:171
71380rcu_preempt0-21swapper/101:11:171
71380rcu_preempt0-21swapper/100:42:461
71380rcu_preempt0-21swapper/022:34:050
71380rcu_preempt0-21swapper/022:34:050
71380rcu_preempt0-21swapper/000:36:560
71380rcu_preempt0-21swapper/000:36:560
71370rcu_preempt6391-21apt-get00:57:532
71370rcu_preempt6391-21apt-get00:57:532
71370rcu_preempt28442-1kworker/1:0H21:52:371
71370rcu_preempt28442-1kworker/1:0H21:52:371
71370rcu_preempt13368-21sendmail23:07:401
71370rcu_preempt13368-21sendmail23:07:401
71370rcu_preempt0-21swapper/122:01:321
71370rcu_preempt0-21swapper/122:01:321
71370rcu_preempt0-21swapper/021:47:530
71370rcu_preempt0-21swapper/021:47:530
71370rcu_preempt0-21swapper/001:08:480
71370rcu_preempt0-21swapper/001:08:480
71370rcu_preempt0-21swapper/000:57:540
71370rcu_preempt0-21swapper/000:57:540
71370rcu_preempt0-21swapper/000:57:340
71370rcu_preempt0-21swapper/000:57:340
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
71360rcu_preempt4627-21copy20:02:493
71360rcu_preempt4627-21copy20:02:493
71360rcu_preempt4627-21copy20:02:493
71360rcu_preempt22898-21taskset00:27:150
71360rcu_preempt22898-21taskset00:27:150
71360rcu_preempt22898-21taskset00:27:150
71360rcu_preempt18999-21taskset20:52:590
71360rcu_preempt18999-21taskset20:52:590
71360rcu_preempt18928-21/usr/sbin/munin20:52:562
71360rcu_preempt18928-21/usr/sbin/munin20:52:562
71360rcu_preempt0-21swapper/221:27:512
71360rcu_preempt0-21swapper/221:27:512
71360rcu_preempt0-21swapper/123:43:061
71360rcu_preempt0-21swapper/123:43:061
71360rcu_preempt0-21swapper/122:31:581
71360rcu_preempt0-21swapper/122:31:581
71360rcu_preempt0-21swapper/100:27:421
71360rcu_preempt0-21swapper/100:27:421
71360rcu_preempt0-21swapper/100:27:421
71360rcu_preempt0-21swapper/023:59:460
71360rcu_preempt0-21swapper/023:59:460
71360rcu_preempt0-21swapper/023:57:450
71360rcu_preempt0-21swapper/023:49:420
71360rcu_preempt0-21swapper/023:49:420
71360rcu_preempt0-21swapper/023:49:420
71360rcu_preempt0-21swapper/022:53:080
71360rcu_preempt0-21swapper/022:53:080
71360rcu_preempt0-21swapper/022:53:080
71360rcu_preempt0-21swapper/020:57:510
71360rcu_preempt0-21swapper/020:57:510
46050360irq/122-QManpo3592-2109:24:360
46050360irq/122-QManpo3592-2109:24:360
46050360irq/122-QManpo31326-2109:24:360
46050360irq/122-QManpo31326-2109:24:360
46050360irq/122-QManpo16037-2109:24:360
46050360irq/122-QManpo16037-2109:24:360
46050360irq/122-QManpo13870-2109:24:360
46050360irq/122-QManpo13870-2109:24:360
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
274832360sleep018994-1kworker/0:2H22:32:370
274832360sleep018994-1kworker/0:2H22:32:370
210202360sleep020951-1kworker/0:1H22:18:560
210202360sleep020951-1kworker/0:1H22:18:560
71350rcu_preempt8230-1kworker/1:1H23:32:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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