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2025-06-16 - 20:22
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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 Mon Jun 16, 2025 12:52:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71600rcu_preempt0-21swapper/108:59:521
71600rcu_preempt0-21swapper/108:59:521
46050500irq/122-QManpo19485-2109:24:360
46050500irq/122-QManpo19485-2109:24:360
71460rcu_preempt0-21swapper/112:54:471
71460rcu_preempt0-21swapper/112:54:471
46050460irq/122-QManpo19006-2109:24:360
46050460irq/122-QManpo19006-2109:24:360
71450rcu_preempt0-21swapper/211:34:532
71450rcu_preempt0-21swapper/211:34:532
46250430irq/120-QManpo19306-2109:24:361
46250430irq/120-QManpo19306-2109:24:361
71410rcu_preempt0-21swapper/210:54:102
71410rcu_preempt0-21swapper/210:54:102
71410rcu_preempt0-21swapper/210:54:102
46450410irq/118-QManpo19678-2109:24:362
71400rcu_preempt10980-21df12:55:022
71400rcu_preempt10980-21df12:55:022
71400rcu_preempt0-21swapper/307:59:543
71400rcu_preempt0-21swapper/307:59:543
1599400migration/023028-21taskset11:11:550
1599400migration/023028-21taskset11:11:550
71390rcu_preempt5345-1kworker/0:0H11:35:040
71390rcu_preempt5345-1kworker/0:0H11:35:040
71390rcu_preempt21359-21cat12:14:482
71390rcu_preempt21359-21cat12:14:482
71390rcu_preempt1201-1kworker/3:2H09:20:113
71390rcu_preempt1201-1kworker/3:2H09:20:113
71390rcu_preempt0-21swapper/012:46:400
71390rcu_preempt0-21swapper/012:46:400
71390rcu_preempt0-21swapper/012:25:320
71390rcu_preempt0-21swapper/012:25:320
71390rcu_preempt0-21swapper/010:10:550
71390rcu_preempt0-21swapper/010:10:550
71390rcu_preempt0-21swapper/010:10:550
46050390irq/122-QManpo2616-10
46050390irq/122-QManpo2616-10
71380rcu_preempt17278-21/usr/sbin/munin13:05:152
71380rcu_preempt17278-21/usr/sbin/munin13:05:152
71380rcu_preempt17278-21/usr/sbin/munin13:05:152
71380rcu_preempt0-21swapper/310:44:473
71380rcu_preempt0-21swapper/310:44:473
71380rcu_preempt0-21swapper/310:44:473
71380rcu_preempt0-21swapper/013:04:460
71380rcu_preempt0-21swapper/013:04:460
71380rcu_preempt0-21swapper/012:55:070
71380rcu_preempt0-21swapper/012:55:070
71380rcu_preempt0-21swapper/012:37:440
71380rcu_preempt0-21swapper/012:37:440
71380rcu_preempt0-21swapper/012:20:200
71380rcu_preempt0-21swapper/012:20:200
71380rcu_preempt0-21swapper/012:14:560
71380rcu_preempt0-21swapper/012:14:560
71380rcu_preempt0-21swapper/010:17:470
71380rcu_preempt0-21swapper/010:17:470
71380rcu_preempt0-21swapper/009:55:170
71380rcu_preempt0-21swapper/009:55:170
5612380sleep032252-1kworker/0:2H10:26:420
5612380sleep032252-1kworker/0:2H10:26:420
5612380sleep032252-1kworker/0:2H10:26:420
46050380irq/122-QManpo21469-2109:24:360
46050380irq/122-QManpo21469-2109:24:360
46050380irq/122-QManpo21469-2109:24:360
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
71370rcu_preempt24157-1kworker/0:1H12:32:270
71370rcu_preempt24157-1kworker/0:1H12:32:270
71370rcu_preempt0-21swapper/312:41:253
71370rcu_preempt0-21swapper/312:41:253
71370rcu_preempt0-21swapper/112:46:561
71370rcu_preempt0-21swapper/112:46:561
71370rcu_preempt0-21swapper/112:21:571
71370rcu_preempt0-21swapper/112:21:571
71370rcu_preempt0-21swapper/011:29:350
71370rcu_preempt0-21swapper/011:29:350
71370rcu_preempt0-21swapper/009:35:030
71370rcu_preempt0-21swapper/009:35:030
46250370irq/120-QManpo19212-2109:24:361
46050370irq/122-QManpo3518-2109:24:360
46050370irq/122-QManpo3518-2109:24:360
1599370migration/012574-21taskset07:59:270
1599370migration/012574-21taskset07:59:270
1599370migration/012574-21taskset07:59:270
71360rcu_preempt21211-21ssh11:08:570
71360rcu_preempt21211-21ssh11:08:570
71360rcu_preempt11527-21df07:54:583
71360rcu_preempt11527-21df07:54:583
71360rcu_preempt11527-21df07:54:583
71360rcu_preempt11204-21apt-get07:55:011
71360rcu_preempt11204-21apt-get07:55:011
71360rcu_preempt11204-21apt-get07:55:011
71360rcu_preempt0-21swapper/209:24:472
71360rcu_preempt0-21swapper/209:24:472
71360rcu_preempt0-21swapper/012:11:530
71360rcu_preempt0-21swapper/012:11:530
71360rcu_preempt0-21swapper/010:47:080
71360rcu_preempt0-21swapper/010:47:080
71360rcu_preempt0-21swapper/010:05:330
71360rcu_preempt0-21swapper/010:05:330
71360rcu_preempt0-21swapper/010:05:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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