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2026-09-01 - 16:43
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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 Tue Sep 01, 2026 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71660rcu_preempt0-21swapper/207:15:032
71660rcu_preempt0-21swapper/207:15:032
71650rcu_preempt0-21swapper/309:17:023
71650rcu_preempt0-21swapper/309:17:023
71610rcu_preempt0-21swapper/211:59:552
71610rcu_preempt0-21swapper/211:59:552
71610rcu_preempt0-21swapper/211:59:552
71570rcu_preempt0-21swapper/111:46:091
71570rcu_preempt0-21swapper/111:46:091
71490rcu_preempt21270-1kworker/0:0H09:59:590
71490rcu_preempt21270-1kworker/0:0H09:59:590
71490rcu_preempt21270-1kworker/0:0H09:59:590
71440rcu_preempt25356-1kworker/0:3H10:23:460
71440rcu_preempt25356-1kworker/0:3H10:23:460
71440rcu_preempt25356-1kworker/0:3H10:23:460
71440rcu_preempt0-21swapper/211:35:472
71440rcu_preempt0-21swapper/211:35:472
46050440irq/122-QManpo27331-2110:48:550
46050440irq/122-QManpo27331-2110:48:550
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
71430rcu_preempt30139-21apt-get07:25:130
71430rcu_preempt30139-21apt-get07:25:130
71420rcu_preempt7405-21ssh11:30:083
71420rcu_preempt7405-21ssh11:30:083
71420rcu_preempt0-21swapper/210:50:172
71420rcu_preempt0-21swapper/210:50:172
71410rcu_preempt10727-21/usr/sbin/munin09:40:122
71410rcu_preempt10727-21/usr/sbin/munin09:40:122
71410rcu_preempt0-21swapper/211:07:482
71410rcu_preempt0-21swapper/211:07:482
71410rcu_preempt0-21swapper/112:38:371
71410rcu_preempt0-21swapper/112:38:371
71400rcu_preempt2993-1kworker/0:2H07:45:050
71400rcu_preempt2993-1kworker/0:2H07:45:050
71400rcu_preempt27392-1kworker/3:2H07:15:103
71400rcu_preempt27392-1kworker/3:2H07:15:103
71400rcu_preempt1969-21ntp_states11:20:132
71400rcu_preempt1969-21ntp_states11:20:132
71400rcu_preempt1969-21ntp_states11:20:132
71400rcu_preempt15986-21sh10:47:422
71400rcu_preempt15986-21sh10:47:422
71400rcu_preempt0-21swapper/011:14:520
71400rcu_preempt0-21swapper/011:14:520
71390rcu_preempt6439-21taskset12:25:332
71390rcu_preempt6439-21taskset12:25:332
71390rcu_preempt27446-21kworker/3:207:25:043
71390rcu_preempt27446-21kworker/3:207:25:043
71390rcu_preempt27331-21apt-get07:15:051
71390rcu_preempt27331-21apt-get07:15:051
71390rcu_preempt12236-1kworker/0:2H10:40:250
71390rcu_preempt12236-1kworker/0:2H10:40:250
71390rcu_preempt12236-1kworker/0:2H10:40:250
71390rcu_preempt0-21swapper/212:33:352
71390rcu_preempt0-21swapper/212:33:352
71390rcu_preempt0-21swapper/010:25:270
71390rcu_preempt0-21swapper/010:25:270
71380rcu_preempt21272-1kworker/2:2H10:01:212
71380rcu_preempt21272-1kworker/2:2H10:01:212
71380rcu_preempt21272-1kworker/2:2H10:01:212
71380rcu_preempt21135-21ssh11:55:001
71380rcu_preempt21135-21ssh11:55:001
71380rcu_preempt21135-21ssh11:55:001
71380rcu_preempt16260-21unixbench_multi11:45:160
71380rcu_preempt16260-21unixbench_multi11:45:160
71380rcu_preempt0-21swapper/311:20:053
71380rcu_preempt0-21swapper/311:20:053
71380rcu_preempt0-21swapper/311:20:053
71380rcu_preempt0-21swapper/210:35:082
71380rcu_preempt0-21swapper/210:35:082
71380rcu_preempt0-21swapper/109:45:341
71380rcu_preempt0-21swapper/109:45:341
71370rcu_preempt8532-21taskset08:01:052
71370rcu_preempt8532-21taskset08:01:052
71370rcu_preempt8532-21taskset08:01:052
71370rcu_preempt7830-21sh09:35:082
71370rcu_preempt7830-21sh09:35:082
71370rcu_preempt15394-1kworker/0:2H12:00:060
71370rcu_preempt15394-1kworker/0:2H12:00:060
71370rcu_preempt15394-1kworker/0:2H12:00:060
71370rcu_preempt13996-1kworker/2:0H10:59:012
71370rcu_preempt13996-1kworker/2:0H10:59:012
71370rcu_preempt0-21swapper/309:46:053
71370rcu_preempt0-21swapper/309:46:053
71370rcu_preempt0-21swapper/211:29:472
71370rcu_preempt0-21swapper/211:29:472
71370rcu_preempt0-21swapper/110:10:201
71370rcu_preempt0-21swapper/110:10:201
71370rcu_preempt0-21swapper/109:59:491
71370rcu_preempt0-21swapper/109:59:491
71370rcu_preempt0-21swapper/011:05:070
71370rcu_preempt0-21swapper/011:05:070
46050370irq/122-QManpo1780-2110:48:550
46050370irq/122-QManpo1780-2110:48:550
46050370irq/122-QManpo10031-2110:48:550
46050370irq/122-QManpo10031-2110:48:550
71360rcu_preempt9769-1kworker/2:1H11:42:562
71360rcu_preempt9769-1kworker/2:1H11:42:562
71360rcu_preempt30602-21grep10:15:141
71360rcu_preempt30602-21grep10:15:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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