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2026-03-25 - 17:14
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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 Mar 25, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46050480irq/122-QManpo0-210
46050480irq/122-QManpo0-210
71440rcu_preempt0-21swapper/107:12:111
71440rcu_preempt0-21swapper/107:12:111
71440rcu_preempt0-21swapper/107:12:111
46050440irq/122-QManpo23673-10
46050440irq/122-QManpo23673-10
328999444cyclictest0-21swapper/311:56:533
328999444cyclictest0-21swapper/311:56:533
328999444cyclictest0-21swapper/307:47:193
328999444cyclictest0-21swapper/307:47:193
71430rcu_preempt0-21swapper/212:10:392
71430rcu_preempt0-21swapper/212:10:392
71430rcu_preempt0-21swapper/212:10:392
71430rcu_preempt0-21swapper/012:11:480
71430rcu_preempt0-21swapper/012:11:480
71430rcu_preempt0-21swapper/012:11:480
328999433cyclictest0-21swapper/311:03:043
328999433cyclictest0-21swapper/311:03:043
328999433cyclictest0-21swapper/311:03:043
328999432cyclictest27168-21meminfo09:52:183
328999432cyclictest27168-21meminfo09:52:183
328999432cyclictest19128-21ntp_states08:07:213
328999432cyclictest19128-21ntp_states08:07:213
71420rcu_preempt0-21swapper/209:21:562
71420rcu_preempt0-21swapper/209:21:562
71420rcu_preempt0-21swapper/209:21:562
328999424cyclictest0-21swapper/311:21:223
328999424cyclictest0-21swapper/311:21:223
328999423cyclictest0-21swapper/312:02:293
328999423cyclictest0-21swapper/312:02:293
328999423cyclictest0-21swapper/312:02:293
328999423cyclictest0-21swapper/311:47:503
328999423cyclictest0-21swapper/311:47:503
328999423cyclictest0-21swapper/311:27:263
328999423cyclictest0-21swapper/311:27:263
328999423cyclictest0-21swapper/311:27:263
3289994217cyclictest0-21swapper/310:02:003
3289994217cyclictest0-21swapper/310:02:003
3289994217cyclictest0-21swapper/310:02:003
71410rcu_preempt0-21swapper/010:27:210
71410rcu_preempt0-21swapper/010:27:210
71410rcu_preempt0-21swapper/010:27:210
328999416cyclictest5851-21sshd07:20:193
328999416cyclictest5851-21sshd07:20:193
328999413cyclictest0-21swapper/310:22:243
328999413cyclictest0-21swapper/310:22:243
328999412cyclictest3596-21diskstats07:12:143
328999412cyclictest3596-21diskstats07:12:143
328999412cyclictest3596-21diskstats07:12:143
328999412cyclictest24414-21ssh11:42:263
328999412cyclictest24414-21ssh11:42:263
328999412cyclictest24414-21ssh11:42:263
328999412cyclictest18971-21ntp_states12:32:213
328999412cyclictest18971-21ntp_states12:32:213
328999411cyclictest1578-21sshd10:34:193
328999411cyclictest1578-21sshd10:34:193
328999411cyclictest1578-21sshd10:34:193
3289994117cyclictest0-21swapper/308:32:223
3289994117cyclictest0-21swapper/308:32:223
3289994116cyclictest0-21swapper/312:37:093
3289994116cyclictest0-21swapper/312:37:093
3289994116cyclictest0-21swapper/312:37:093
3289994116cyclictest0-21swapper/312:21:583
3289994116cyclictest0-21swapper/312:21:583
3289994116cyclictest0-21swapper/312:21:583
71400rcu_preempt23690-21taskset09:46:470
71400rcu_preempt23690-21taskset09:46:470
71400rcu_preempt23690-21taskset09:46:470
71400rcu_preempt22402-21apt-get10:42:210
71400rcu_preempt22402-21apt-get10:42:210
71400rcu_preempt0-21swapper/209:57:022
71400rcu_preempt0-21swapper/209:57:022
71400rcu_preempt0-21swapper/109:51:181
71400rcu_preempt0-21swapper/109:51:181
71400rcu_preempt0-21swapper/109:51:181
46450400irq/118-QManpo3199-2110:48:552
46450400irq/118-QManpo3199-2110:48:552
46250400irq/120-QManpo3221-2110:48:551
46250400irq/120-QManpo3221-2110:48:551
328999405cyclictest12465-1kworker/3:0H10:42:223
328999405cyclictest12465-1kworker/3:0H10:42:223
328999404cyclictest0-21swapper/312:01:323
328999404cyclictest0-21swapper/312:01:323
328999404cyclictest0-21swapper/312:01:323
328999403cyclictest0-21swapper/312:24:123
328999403cyclictest0-21swapper/312:24:123
328999403cyclictest0-21swapper/312:24:123
328999403cyclictest0-21swapper/311:22:213
328999403cyclictest0-21swapper/311:22:213
328999403cyclictest0-21swapper/311:22:213
328999403cyclictest0-21swapper/308:02:103
328999403cyclictest0-21swapper/308:02:103
328999403cyclictest0-21swapper/307:27:203
328999403cyclictest0-21swapper/307:27:203
328999403cyclictest0-21swapper/307:22:223
328999403cyclictest0-21swapper/307:22:223
328999403cyclictest0-21swapper/307:22:223
328999402cyclictest28723-21meminfo08:42:173
328999402cyclictest28723-21meminfo08:42:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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