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2026-06-30 - 04:04
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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 Jun 30, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71710rcu_preempt0-21swapper/223:43:492
71710rcu_preempt0-21swapper/223:43:492
71710rcu_preempt0-21swapper/223:43:492
71630rcu_preempt0-21swapper/323:09:233
71630rcu_preempt0-21swapper/323:09:233
71480rcu_preempt0-21swapper/023:45:250
71480rcu_preempt0-21swapper/023:45:250
71480rcu_preempt0-21swapper/023:45:250
46450480irq/118-QManpo29490-2110:48:552
46450480irq/118-QManpo29490-2110:48:552
46450480irq/118-QManpo29490-2110:48:552
91792450chrt46650irq/116-QMan10:48:553
91792450chrt46650irq/116-QMan10:48:553
71450rcu_preempt0-21swapper/321:28:183
71450rcu_preempt0-21swapper/321:28:183
71450rcu_preempt0-21swapper/021:59:090
71450rcu_preempt0-21swapper/021:59:090
71450rcu_preempt0-21swapper/021:59:090
71430rcu_preempt0-21swapper/023:59:140
71430rcu_preempt0-21swapper/023:59:140
71430rcu_preempt0-21swapper/023:59:140
71430rcu_preempt0-21swapper/023:05:010
71430rcu_preempt0-21swapper/023:05:010
71430rcu_preempt0-21swapper/023:05:010
71430rcu_preempt0-21swapper/021:55:580
71430rcu_preempt0-21swapper/021:55:580
71430rcu_preempt0-21swapper/021:55:580
71430rcu_preempt0-21swapper/021:08:560
71430rcu_preempt0-21swapper/021:08:560
71430rcu_preempt0-21swapper/021:08:560
71420rcu_preempt0-21swapper/320:48:503
71420rcu_preempt0-21swapper/320:48:503
71420rcu_preempt0-21swapper/320:48:503
71420rcu_preempt0-21swapper/021:21:360
71420rcu_preempt0-21swapper/021:21:360
71420rcu_preempt0-21swapper/021:21:360
46650420irq/116-QManpo27069-2110:48:553
46650420irq/116-QManpo27069-2110:48:553
46450420irq/118-QManpo27000-2110:48:552
46450420irq/118-QManpo27000-2110:48:552
71410rcu_preempt23236-21taskset00:08:313
71410rcu_preempt23236-21taskset00:08:313
71410rcu_preempt23236-21taskset00:08:313
71410rcu_preempt12463-21grep21:44:131
71410rcu_preempt12463-21grep21:44:131
71410rcu_preempt12463-21grep21:44:131
71410rcu_preempt0-21swapper/321:18:093
71410rcu_preempt0-21swapper/321:18:093
71410rcu_preempt0-21swapper/321:18:093
46250410irq/120-QManpo27004-2110:48:551
46250410irq/120-QManpo27004-2110:48:551
71400rcu_preempt3762-21sh00:33:523
71400rcu_preempt3762-21sh00:33:523
71400rcu_preempt29687-21/usr/sbin/munin19:23:533
71400rcu_preempt29687-21/usr/sbin/munin19:23:533
71400rcu_preempt29687-21/usr/sbin/munin19:23:533
71400rcu_preempt16038-1kworker/3:0H23:55:303
71400rcu_preempt16038-1kworker/3:0H23:55:303
71400rcu_preempt0-21swapper/322:40:403
71400rcu_preempt0-21swapper/322:40:403
71400rcu_preempt0-21swapper/022:11:020
71400rcu_preempt0-21swapper/022:11:020
71400rcu_preempt0-21swapper/022:11:020
71400rcu_preempt0-21swapper/021:03:570
71400rcu_preempt0-21swapper/021:03:570
71400rcu_preempt0-21swapper/021:03:570
71400rcu_preempt0-21swapper/000:08:400
71400rcu_preempt0-21swapper/000:08:400
71400rcu_preempt0-21swapper/000:08:400
71390rcu_preempt15853-21kworker/3:022:49:323
71390rcu_preempt15853-21kworker/3:022:49:323
71390rcu_preempt15853-21kworker/3:022:49:323
71390rcu_preempt1553-21sh00:29:013
71390rcu_preempt1553-21sh00:29:013
71390rcu_preempt1553-21sh00:29:013
71390rcu_preempt0-21swapper/323:48:513
71390rcu_preempt0-21swapper/323:48:513
71390rcu_preempt0-21swapper/323:48:513
71390rcu_preempt0-21swapper/321:53:193
71390rcu_preempt0-21swapper/321:53:193
71390rcu_preempt0-21swapper/321:53:193
71390rcu_preempt0-21swapper/321:44:313
71390rcu_preempt0-21swapper/321:44:313
71390rcu_preempt0-21swapper/321:44:313
71390rcu_preempt0-21swapper/300:14:443
71390rcu_preempt0-21swapper/300:14:443
71390rcu_preempt0-21swapper/300:14:443
71390rcu_preempt0-21swapper/100:43:421
71390rcu_preempt0-21swapper/100:43:421
71390rcu_preempt0-21swapper/100:43:421
71390rcu_preempt0-21swapper/100:32:511
71390rcu_preempt0-21swapper/100:32:511
71390rcu_preempt0-21swapper/100:32:511
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
71380rcu_preempt31797-21grep19:29:071
71380rcu_preempt31797-21grep19:29:071
71380rcu_preempt31797-21grep19:29:071
71380rcu_preempt12062-1kworker/1:2H20:28:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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