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2026-05-06 - 08:09
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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 Wed May 06, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3255421070chrt46050irq/122-QMan10:48:550
3255421070chrt46050irq/122-QMan10:48:550
70212670chrt46050irq/122-QMan10:48:550
70212670chrt46050irq/122-QMan10:48:550
71500rcu_preempt5987-1kworker/0:3H21:28:110
71500rcu_preempt5987-1kworker/0:3H21:28:110
71500rcu_preempt5987-1kworker/0:3H21:28:110
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
71440rcu_preempt5565-21grep19:08:191
71440rcu_preempt5565-21grep19:08:191
71410rcu_preempt4405-1kworker/0:2H22:08:310
71410rcu_preempt4405-1kworker/0:2H22:08:310
71400rcu_preempt4995-21sh00:03:481
71400rcu_preempt4995-21sh00:03:481
71400rcu_preempt32513-21copy21:57:453
71400rcu_preempt32513-21copy21:57:453
71400rcu_preempt0-21swapper/223:47:552
71400rcu_preempt0-21swapper/223:47:552
71400rcu_preempt0-21swapper/023:30:150
71400rcu_preempt0-21swapper/023:30:150
71400rcu_preempt0-21swapper/023:30:150
46250400irq/120-QManpo0-2110:48:551
46250400irq/120-QManpo0-2110:48:551
46250400irq/120-QManpo0-2110:48:551
46050400irq/122-QManpo28547-2110:48:550
46050400irq/122-QManpo28547-2110:48:550
71390rcu_preempt8462-21sh00:11:130
71390rcu_preempt8462-21sh00:11:130
71390rcu_preempt8462-21sh00:11:130
71390rcu_preempt0-21swapper/122:53:141
71390rcu_preempt0-21swapper/122:53:141
71390rcu_preempt0-21swapper/121:44:511
71390rcu_preempt0-21swapper/121:44:511
71390rcu_preempt0-21swapper/121:44:511
71390rcu_preempt0-21swapper/120:45:031
71390rcu_preempt0-21swapper/120:45:031
71390rcu_preempt0-21swapper/120:45:031
71390rcu_preempt0-21swapper/022:22:530
71390rcu_preempt0-21swapper/022:22:530
71390rcu_preempt0-21swapper/022:22:530
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
71380rcu_preempt3686-21sendmail-msp00:09:363
71380rcu_preempt3686-21sendmail-msp00:09:363
71380rcu_preempt3686-21sendmail-msp00:09:363
71380rcu_preempt3632-21sh23:02:582
71380rcu_preempt3632-21sh23:02:582
71380rcu_preempt3632-21sh23:02:582
71380rcu_preempt3325-21apt-get23:03:073
71380rcu_preempt3325-21apt-get23:03:073
71380rcu_preempt3325-21apt-get23:03:073
71380rcu_preempt20186-21sh21:33:470
71380rcu_preempt20186-21sh21:33:470
71380rcu_preempt0-21swapper/322:05:373
71380rcu_preempt0-21swapper/322:05:373
71380rcu_preempt0-21swapper/322:05:373
71380rcu_preempt0-21swapper/322:05:373
71380rcu_preempt0-21swapper/222:31:442
71380rcu_preempt0-21swapper/222:31:442
71380rcu_preempt0-21swapper/220:18:182
71380rcu_preempt0-21swapper/220:18:182
71380rcu_preempt0-21swapper/220:18:182
71380rcu_preempt0-21swapper/100:32:171
71380rcu_preempt0-21swapper/100:32:171
71380rcu_preempt0-21swapper/100:32:171
71380rcu_preempt0-21swapper/100:16:231
71380rcu_preempt0-21swapper/100:16:231
71380rcu_preempt0-21swapper/023:55:300
71380rcu_preempt0-21swapper/023:55:300
71380rcu_preempt0-21swapper/023:27:340
71380rcu_preempt0-21swapper/023:27:340
71380rcu_preempt0-21swapper/023:27:340
71380rcu_preempt0-21swapper/023:05:460
71380rcu_preempt0-21swapper/023:05:460
71380rcu_preempt0-21swapper/023:05:460
71380rcu_preempt0-21swapper/022:51:510
71380rcu_preempt0-21swapper/022:51:510
71380rcu_preempt0-21swapper/000:15:450
71380rcu_preempt0-21swapper/000:15:450
71380rcu_preempt0-21swapper/000:03:180
71380rcu_preempt0-21swapper/000:03:180
46650380irq/116-QManpo6763-2110:48:553
46650380irq/116-QManpo6763-2110:48:553
71370rcu_preempt15405-1kworker/1:1H23:25:001
71370rcu_preempt15405-1kworker/1:1H23:25:001
71370rcu_preempt15405-1kworker/1:1H23:25:001
71370rcu_preempt15095-21sendmail-msp19:43:422
71370rcu_preempt15095-21sendmail-msp19:43:422
71370rcu_preempt0-21swapper/323:54:093
71370rcu_preempt0-21swapper/323:54:093
71370rcu_preempt0-21swapper/123:55:501
71370rcu_preempt0-21swapper/123:55:501
71370rcu_preempt0-21swapper/123:33:481
71370rcu_preempt0-21swapper/123:33:481
71370rcu_preempt0-21swapper/123:33:481
71370rcu_preempt0-21swapper/023:20:000
71370rcu_preempt0-21swapper/023:20:000
71370rcu_preempt0-21swapper/023:12:310
71370rcu_preempt0-21swapper/023:12:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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