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2026-05-16 - 10:28
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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 Sat May 16, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200221130chrt46250irq/120-QMan10:48:551
200221130chrt46250irq/120-QMan10:48:551
71740rcu_preempt18958-21latency_hist23:03:071
71510rcu_preempt14207-21spawn19:12:401
71510rcu_preempt14207-21spawn19:12:401
71510rcu_preempt14207-21spawn19:12:401
71500rcu_preempt0-21swapper/022:59:070
71500rcu_preempt0-21swapper/022:59:070
71500rcu_preempt0-21swapper/022:59:070
71500rcu_preempt0-21swapper/022:59:070
765699483cyclictest0-21swapper/319:13:213
765699483cyclictest0-21swapper/319:13:213
765699483cyclictest0-21swapper/319:13:213
765699483cyclictest0-21swapper/319:13:213
46050470irq/122-QManpo14207-2110:48:550
46050470irq/122-QManpo14207-2110:48:550
46050470irq/122-QManpo14207-2110:48:550
765699463cyclictest0-21swapper/300:13:023
765699463cyclictest0-21swapper/300:13:023
765699462cyclictest3071-21ssh23:33:093
765699462cyclictest3071-21ssh23:33:093
765699462cyclictest3071-21ssh23:33:093
7656994414cyclictest8916-21ntp_states23:43:173
7656994414cyclictest8916-21ntp_states23:43:173
7656994414cyclictest8916-21ntp_states23:43:173
71440rcu_preempt19996-1kworker/0:1H19:20:440
71440rcu_preempt19996-1kworker/0:1H19:20:440
71440rcu_preempt19996-1kworker/0:1H19:20:440
71440rcu_preempt0-21swapper/322:01:373
71440rcu_preempt0-21swapper/322:01:373
765699434cyclictest0-21swapper/322:10:043
765699434cyclictest0-21swapper/322:10:043
7656994317cyclictest19038-21ssh00:02:583
7656994317cyclictest19038-21ssh00:02:583
7656994317cyclictest0-21swapper/323:10:163
7656994317cyclictest0-21swapper/323:10:163
7656994317cyclictest0-21swapper/323:10:163
7656994315cyclictest30007-21ssh22:22:533
7656994315cyclictest30007-21ssh22:22:533
71430rcu_preempt0-21swapper/023:32:120
71430rcu_preempt0-21swapper/023:32:120
71430rcu_preempt0-21swapper/023:32:120
765699424cyclictest0-21swapper/322:53:173
765699424cyclictest0-21swapper/322:53:173
765699424cyclictest0-21swapper/322:53:173
765699423cyclictest0-21swapper/322:46:363
765699423cyclictest0-21swapper/322:46:363
765699423cyclictest0-21swapper/322:46:363
765699423cyclictest0-21swapper/321:15:583
765699423cyclictest0-21swapper/321:15:583
765699423cyclictest0-21swapper/321:15:583
765699423cyclictest0-21swapper/300:03:353
765699423cyclictest0-21swapper/300:03:353
765699423cyclictest0-21swapper/300:03:353
71420rcu_preempt0-21swapper/222:49:312
71420rcu_preempt0-21swapper/222:49:312
71420rcu_preempt0-21swapper/222:49:312
71420rcu_preempt0-21swapper/222:49:312
71420rcu_preempt0-21swapper/123:32:571
71420rcu_preempt0-21swapper/123:32:571
71420rcu_preempt0-21swapper/123:32:571
71420rcu_preempt0-21swapper/119:21:531
71420rcu_preempt0-21swapper/119:21:531
71420rcu_preempt0-21swapper/119:21:531
71420rcu_preempt0-21swapper/019:13:360
71420rcu_preempt0-21swapper/019:13:360
71420rcu_preempt0-21swapper/019:13:360
71420rcu_preempt0-21swapper/019:13:360
765699414cyclictest0-21swapper/320:52:533
765699414cyclictest0-21swapper/320:52:533
765699414cyclictest0-21swapper/320:13:053
765699414cyclictest0-21swapper/320:13:053
765699413cyclictest0-21swapper/322:25:193
765699413cyclictest0-21swapper/322:25:193
765699413cyclictest0-21swapper/322:25:193
765699413cyclictest0-21swapper/322:05:493
765699413cyclictest0-21swapper/322:05:493
765699413cyclictest0-21swapper/322:05:493
765699413cyclictest0-21swapper/321:35:583
765699413cyclictest0-21swapper/321:35:583
765699413cyclictest0-21swapper/321:35:583
765699413cyclictest0-21swapper/300:36:373
765699413cyclictest0-21swapper/300:36:373
765699413cyclictest0-21swapper/300:36:373
765699413cyclictest0-21swapper/300:30:143
765699413cyclictest0-21swapper/300:30:143
765699413cyclictest0-21swapper/300:18:213
765699413cyclictest0-21swapper/300:18:213
765699413cyclictest0-21swapper/300:18:213
7656994117cyclictest0-21swapper/322:29:473
7656994117cyclictest0-21swapper/322:29:473
7656994117cyclictest0-21swapper/322:29:473
7656994116cyclictest0-21swapper/322:38:093
7656994116cyclictest0-21swapper/322:38:093
7656994115cyclictest0-21swapper/319:57:533
7656994115cyclictest0-21swapper/319:57:533
71410rcu_preempt0-21swapper/022:36:220
71410rcu_preempt0-21swapper/022:36:220
71410rcu_preempt0-21swapper/022:36:220
46450410irq/118-QManpo0-2110:48:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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