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2026-05-22 - 18:46
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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 22, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt0-21swapper/300:07:003
71730rcu_preempt0-21swapper/300:07:003
71730rcu_preempt0-21swapper/300:07:003
289712720sleep146250irq/120-QMan10:48:551
289712720sleep146250irq/120-QMan10:48:551
71690rcu_preempt0-21swapper/222:19:402
71690rcu_preempt0-21swapper/222:19:402
71620rcu_preempt0-21swapper/222:58:192
71620rcu_preempt0-21swapper/222:58:192
46050480irq/122-QManpo0-210
46050480irq/122-QManpo0-210
46050480irq/122-QManpo0-210
71460rcu_preempt0-21swapper/321:32:163
71460rcu_preempt0-21swapper/321:32:163
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
429699456cyclictest0-21swapper/321:58:143
429699456cyclictest0-21swapper/321:58:143
4296994418cyclictest14056-21/usr/sbin/munin19:48:093
4296994418cyclictest14056-21/usr/sbin/munin19:48:093
71430rcu_preempt15897-21sh21:32:512
71430rcu_preempt15897-21sh21:32:512
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
71420rcu_preempt30039-1kworker/1:3H22:06:311
71420rcu_preempt30039-1kworker/1:3H22:06:311
71420rcu_preempt30039-1kworker/1:3H22:06:311
71420rcu_preempt0-21swapper/219:23:532
71420rcu_preempt0-21swapper/219:23:532
429699423cyclictest0-21swapper/320:23:253
429699423cyclictest0-21swapper/320:23:253
429699423cyclictest0-21swapper/320:23:253
429699422cyclictest0-21swapper/323:38:263
429699422cyclictest0-21swapper/323:38:263
429699422cyclictest0-21swapper/320:43:243
429699422cyclictest0-21swapper/320:43:243
429699422cyclictest0-21swapper/320:43:243
4296994217cyclictest0-21swapper/300:36:233
4296994217cyclictest0-21swapper/300:36:233
4296994217cyclictest0-21swapper/300:36:233
71410rcu_preempt9659-21sendmail-msp00:27:481
71410rcu_preempt9659-21sendmail-msp00:27:481
71410rcu_preempt0-21swapper/123:23:421
71410rcu_preempt0-21swapper/123:23:421
71410rcu_preempt0-21swapper/123:09:071
71410rcu_preempt0-21swapper/123:09:071
71410rcu_preempt0-21swapper/123:09:071
429699414cyclictest0-21swapper/322:26:103
429699414cyclictest0-21swapper/322:26:103
429699414cyclictest0-21swapper/322:26:103
429699414cyclictest0-21swapper/322:26:103
429699414cyclictest0-21swapper/321:23:123
429699414cyclictest0-21swapper/321:23:123
429699414cyclictest0-21swapper/321:23:123
429699413cyclictest0-21swapper/323:16:313
429699413cyclictest0-21swapper/323:16:313
429699413cyclictest0-21swapper/323:16:313
429699413cyclictest0-21swapper/320:23:003
429699413cyclictest0-21swapper/320:23:003
429699413cyclictest0-21swapper/320:23:003
4296994117cyclictest0-21swapper/323:26:273
4296994117cyclictest0-21swapper/323:26:273
4296994117cyclictest0-21swapper/323:09:563
4296994117cyclictest0-21swapper/323:09:563
4296994117cyclictest0-21swapper/323:09:563
4296994116cyclictest0-21swapper/322:30:143
4296994116cyclictest0-21swapper/322:30:143
1599410migration/031818-21runrttasks20:51:240
1599410migration/031818-21runrttasks20:51:240
1599410migration/031818-21runrttasks20:51:240
46050400irq/122-QManpo29826-2110:48:550
46050400irq/122-QManpo29826-2110:48:550
46050400irq/122-QManpo29826-2110:48:550
46050400irq/122-QManpo15368-2110:48:550
46050400irq/122-QManpo15368-2110:48:550
46050400irq/122-QManpo15368-2110:48:550
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
429699404cyclictest0-21swapper/322:03:253
429699404cyclictest0-21swapper/322:03:253
429699404cyclictest0-21swapper/322:03:253
429699403cyclictest0-21swapper/323:54:553
429699403cyclictest0-21swapper/323:54:553
429699403cyclictest0-21swapper/323:45:023
429699403cyclictest0-21swapper/323:45:023
429699403cyclictest0-21swapper/323:19:363
429699403cyclictest0-21swapper/323:19:363
429699403cyclictest0-21swapper/323:19:363
429699403cyclictest0-21swapper/323:06:153
429699403cyclictest0-21swapper/323:06:153
429699403cyclictest0-21swapper/323:06:153
429699403cyclictest0-21swapper/322:57:233
429699403cyclictest0-21swapper/322:57:233
429699403cyclictest0-21swapper/321:40:163
429699403cyclictest0-21swapper/321:40:163
429699403cyclictest0-21swapper/321:40:163
429699403cyclictest0-21swapper/321:37:443
429699403cyclictest0-21swapper/321:37:443
429699403cyclictest0-21swapper/321:13:363
429699403cyclictest0-21swapper/321:13:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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