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2026-03-16 - 06:54
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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 Mar 16, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194112550sleep046050irq/122-QMan10:48:550
194112550sleep046050irq/122-QMan10:48:550
194112550sleep046050irq/122-QMan10:48:550
71470rcu_preempt2043-1kworker/1:1H22:02:061
71470rcu_preempt2043-1kworker/1:1H22:02:061
71470rcu_preempt2043-1kworker/1:1H22:02:061
71470rcu_preempt0-21swapper/200:31:312
71470rcu_preempt0-21swapper/200:31:312
71470rcu_preempt0-21swapper/200:31:312
71470rcu_preempt0-21swapper/122:14:511
71470rcu_preempt0-21swapper/122:14:511
71470rcu_preempt0-21swapper/122:14:511
71450rcu_preempt0-21swapper/222:01:562
71450rcu_preempt0-21swapper/222:01:562
71450rcu_preempt0-21swapper/222:01:562
71450rcu_preempt0-21swapper/000:33:080
71450rcu_preempt0-21swapper/000:33:080
71450rcu_preempt0-21swapper/000:33:080
46050440irq/122-QManpo10684-2110:48:550
46050440irq/122-QManpo10684-2110:48:550
46050440irq/122-QManpo10684-2110:48:550
71430rcu_preempt0-21swapper/123:44:391
71430rcu_preempt0-21swapper/123:44:391
71430rcu_preempt0-21swapper/123:44:391
71430rcu_preempt0-21swapper/022:01:500
71430rcu_preempt0-21swapper/022:01:500
71430rcu_preempt0-21swapper/022:01:500
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
71420rcu_preempt723-21taskset21:46:272
71420rcu_preempt723-21taskset21:46:272
100650420irq/38-i2c-mpc171rcuc/121:39:531
100650420irq/38-i2c-mpc171rcuc/121:39:531
100650420irq/38-i2c-mpc171rcuc/121:39:531
71410rcu_preempt0-21swapper/223:24:422
71410rcu_preempt0-21swapper/223:24:422
71410rcu_preempt0-21swapper/123:16:071
71410rcu_preempt0-21swapper/123:16:071
71410rcu_preempt0-21swapper/100:36:371
71410rcu_preempt0-21swapper/100:36:371
71410rcu_preempt0-21swapper/100:36:371
71410rcu_preempt0-21swapper/100:15:161
71410rcu_preempt0-21swapper/100:15:161
12675994117cyclictest9486-21munin-run22:01:461
12675994117cyclictest9486-21munin-run22:01:461
12675994117cyclictest9486-21munin-run22:01:461
71400rcu_preempt0-21swapper/300:00:313
71400rcu_preempt0-21swapper/300:00:313
71400rcu_preempt0-21swapper/300:00:313
71400rcu_preempt0-21swapper/123:26:041
71400rcu_preempt0-21swapper/123:26:041
71400rcu_preempt0-21swapper/022:31:100
71400rcu_preempt0-21swapper/022:31:100
12675994010cyclictest0-21swapper/123:52:301
12675994010cyclictest0-21swapper/123:52:301
71390rcu_preempt0-21swapper/122:17:501
71390rcu_preempt0-21swapper/122:17:501
71390rcu_preempt0-21swapper/122:17:501
71390rcu_preempt0-21swapper/121:27:371
71390rcu_preempt0-21swapper/121:27:371
71390rcu_preempt0-21swapper/100:29:071
71390rcu_preempt0-21swapper/100:29:071
71390rcu_preempt0-21swapper/100:29:071
71390rcu_preempt0-21swapper/023:56:160
71390rcu_preempt0-21swapper/023:56:160
71390rcu_preempt0-21swapper/019:14:160
71390rcu_preempt0-21swapper/019:14:160
46250390irq/120-QManpo12595-2110:48:551
46250390irq/120-QManpo12595-2110:48:551
12675993917cyclictest25110-21df23:26:591
12675993917cyclictest25110-21df23:26:591
71380rcu_preempt20668-1kworker/1:1H21:24:351
71380rcu_preempt20668-1kworker/1:1H21:24:351
71380rcu_preempt20668-1kworker/1:1H21:24:351
71380rcu_preempt19740-21ssh23:17:062
71380rcu_preempt19740-21ssh23:17:062
71380rcu_preempt19740-21ssh23:17:062
71380rcu_preempt13503-1kworker/1:4H00:07:141
71380rcu_preempt13503-1kworker/1:4H00:07:141
71380rcu_preempt0-21swapper/319:11:153
71380rcu_preempt0-21swapper/319:11:153
71380rcu_preempt0-21swapper/223:02:002
71380rcu_preempt0-21swapper/223:02:002
71380rcu_preempt0-21swapper/223:02:002
71380rcu_preempt0-21swapper/120:36:551
71380rcu_preempt0-21swapper/120:36:551
71380rcu_preempt0-21swapper/020:46:570
71380rcu_preempt0-21swapper/020:46:570
71380rcu_preempt0-21swapper/020:46:570
71380rcu_preempt0-21swapper/020:41:560
71380rcu_preempt0-21swapper/020:41:560
46050380irq/122-QManpo5854-2110:48:550
46050380irq/122-QManpo5854-2110:48:550
46050380irq/122-QManpo3809-2110:48:550
46050380irq/122-QManpo3809-2110:48:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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