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2026-05-15 - 11:39
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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 Fri May 15, 2026 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/323:31:443
71670rcu_preempt0-21swapper/323:31:443
71670rcu_preempt0-21swapper/323:31:443
71630rcu_preempt0-21swapper/300:12:283
71630rcu_preempt0-21swapper/300:12:283
71630rcu_preempt0-21swapper/300:12:283
71600rcu_preempt0-21swapper/100:11:081
71600rcu_preempt0-21swapper/100:11:081
71600rcu_preempt0-21swapper/100:11:081
71500rcu_preempt0-21swapper/223:46:482
71500rcu_preempt0-21swapper/223:46:482
71480rcu_preempt0-21swapper/023:40:560
71480rcu_preempt0-21swapper/023:40:560
2100699462cyclictest1959-21runrttasks00:33:371
2100699462cyclictest1959-21runrttasks00:33:371
71440rcu_preempt0-21swapper/022:35:170
71440rcu_preempt0-21swapper/022:35:170
71440rcu_preempt0-21swapper/022:35:170
2100699433cyclictest0-21swapper/123:02:591
71420rcu_preempt28905-1kworker/3:2H21:33:223
71420rcu_preempt28905-1kworker/3:2H21:33:223
71410rcu_preempt21000-1kworker/1:0H22:12:571
71410rcu_preempt21000-1kworker/1:0H22:12:571
71410rcu_preempt21000-1kworker/1:0H22:12:571
71410rcu_preempt0-21swapper/022:08:020
71410rcu_preempt0-21swapper/022:08:020
71410rcu_preempt0-21swapper/022:08:020
71400rcu_preempt0-21swapper/221:31:112
71400rcu_preempt0-21swapper/221:31:112
71400rcu_preempt0-21swapper/221:31:112
71400rcu_preempt0-21swapper/023:30:350
71400rcu_preempt0-21swapper/023:30:350
71400rcu_preempt0-21swapper/023:30:350
71400rcu_preempt0-21swapper/022:47:410
71400rcu_preempt0-21swapper/022:47:410
71400rcu_preempt0-21swapper/000:12:170
71400rcu_preempt0-21swapper/000:12:170
71400rcu_preempt0-21swapper/000:12:170
46050400irq/122-QManpo9035-2110:48:550
46050400irq/122-QManpo9035-2110:48:550
46050400irq/122-QManpo20913-2110:48:550
46050400irq/122-QManpo20913-2110:48:550
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
71390rcu_preempt18370-1kworker/1:3H00:13:541
71390rcu_preempt18370-1kworker/1:3H00:13:541
71390rcu_preempt0-21swapper/322:05:583
71390rcu_preempt0-21swapper/322:05:583
71390rcu_preempt0-21swapper/322:05:583
71390rcu_preempt0-21swapper/300:13:433
71390rcu_preempt0-21swapper/300:13:433
71390rcu_preempt0-21swapper/121:25:311
71390rcu_preempt0-21swapper/121:25:311
71390rcu_preempt0-21swapper/021:27:580
71390rcu_preempt0-21swapper/021:27:580
71380rcu_preempt0-21swapper/323:33:213
71380rcu_preempt0-21swapper/323:33:213
71380rcu_preempt0-21swapper/322:11:143
71380rcu_preempt0-21swapper/322:11:143
71380rcu_preempt0-21swapper/322:11:143
71380rcu_preempt0-21swapper/223:05:012
71380rcu_preempt0-21swapper/223:05:012
71380rcu_preempt0-21swapper/222:03:042
71380rcu_preempt0-21swapper/222:03:042
71380rcu_preempt0-21swapper/222:03:042
71380rcu_preempt0-21swapper/221:33:252
71380rcu_preempt0-21swapper/221:33:252
71380rcu_preempt0-21swapper/100:30:521
71380rcu_preempt0-21swapper/100:30:521
71380rcu_preempt0-21swapper/022:20:500
71380rcu_preempt0-21swapper/022:20:500
71380rcu_preempt0-21swapper/022:20:500
46650380irq/116-QManpo20876-2110:48:553
46650380irq/116-QManpo20876-2110:48:553
46050380irq/122-QManpo32524-2110:48:550
46050380irq/122-QManpo32524-2110:48:550
46050380irq/122-QManpo32524-2110:48:550
46050380irq/122-QManpo31733-10
46050380irq/122-QManpo31733-10
46050380irq/122-QManpo17820-2110:48:550
46050380irq/122-QManpo17820-2110:48:550
46050380irq/122-QManpo17820-2110:48:550
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
21007993816cyclictest0-21swapper/220:32:552
21007993816cyclictest0-21swapper/220:32:552
21007993816cyclictest0-21swapper/220:32:552
71370rcu_preempt3318-21sh00:37:090
71370rcu_preempt3318-21sh00:37:090
71370rcu_preempt31181-21sh22:28:250
71370rcu_preempt31181-21sh22:28:250
71370rcu_preempt31181-21sh22:28:250
71370rcu_preempt3009-1kworker/1:1H21:47:191
71370rcu_preempt3009-1kworker/1:1H21:47:191
71370rcu_preempt27877-21sendmail-msp23:25:170
71370rcu_preempt27877-21sendmail-msp23:25:170
71370rcu_preempt27877-21sendmail-msp23:25:170
71370rcu_preempt24541-21192.168.115.40-00:16:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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