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2025-12-05 - 08:42
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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 Dec 05, 2025 00:54:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71720rcu_preempt0-21swapper/301:04:143
71720rcu_preempt0-21swapper/301:04:143
254899462cyclictest10930-21/usr/sbin/munin21:53:203
254899462cyclictest10930-21/usr/sbin/munin21:53:203
254899461cyclictest8765-21/usr/sbin/munin22:48:103
254899461cyclictest8765-21/usr/sbin/munin22:48:103
254899454cyclictest0-21swapper/300:33:203
254899454cyclictest0-21swapper/300:33:203
254899454cyclictest0-21swapper/300:33:203
254899451cyclictest9933-21/usr/sbin/munin20:08:073
254899451cyclictest9933-21/usr/sbin/munin20:08:073
254899451cyclictest19658-21/usr/sbin/munin20:43:203
254899451cyclictest19658-21/usr/sbin/munin20:43:203
254899451cyclictest19658-21/usr/sbin/munin20:43:203
71440rcu_preempt0-21swapper/100:17:551
71440rcu_preempt0-21swapper/100:17:551
254899444cyclictest0-21swapper/322:04:183
254899444cyclictest0-21swapper/322:04:183
254899444cyclictest0-21swapper/322:04:183
254899444cyclictest0-21swapper/321:33:143
254899444cyclictest0-21swapper/321:33:143
254899444cyclictest0-21swapper/300:17:573
254899444cyclictest0-21swapper/300:17:573
254899443cyclictest18098-21unixbench_multi01:08:183
254899443cyclictest18098-21unixbench_multi01:08:183
254899443cyclictest0-21swapper/322:18:163
254899443cyclictest0-21swapper/322:18:163
254899443cyclictest0-21swapper/322:18:163
254899442cyclictest8626-21runrttasks00:08:013
254899442cyclictest8626-21runrttasks00:08:013
254899442cyclictest21065-21/usr/sbin/munin20:48:053
254899442cyclictest21065-21/usr/sbin/munin20:48:053
71430rcu_preempt24036-21ssh00:18:002
71430rcu_preempt24036-21ssh00:18:002
71430rcu_preempt0-21swapper/222:54:572
71430rcu_preempt0-21swapper/222:54:572
71430rcu_preempt0-21swapper/023:21:490
71430rcu_preempt0-21swapper/023:21:490
254899434cyclictest0-21swapper/323:43:013
254899434cyclictest0-21swapper/323:43:013
254899434cyclictest0-21swapper/321:51:063
254899434cyclictest0-21swapper/321:51:063
254899434cyclictest0-21swapper/321:51:063
254899433cyclictest0-21swapper/323:41:463
254899433cyclictest0-21swapper/323:41:463
254899433cyclictest0-21swapper/323:03:073
254899433cyclictest0-21swapper/323:03:073
254899433cyclictest0-21swapper/321:43:303
254899433cyclictest0-21swapper/321:43:303
254899433cyclictest0-21swapper/321:38:163
254899433cyclictest0-21swapper/321:38:163
254899433cyclictest0-21swapper/320:32:533
254899433cyclictest0-21swapper/320:32:533
254899433cyclictest0-21swapper/320:17:493
254899433cyclictest0-21swapper/320:17:493
254899432cyclictest6985-21ssh00:46:413
254899432cyclictest6985-21ssh00:46:413
254899432cyclictest6511-21sed22:43:093
254899432cyclictest6511-21sed22:43:093
254899432cyclictest3446-21/usr/sbin/munin22:38:223
254899432cyclictest3446-21/usr/sbin/munin22:38:223
254899432cyclictest21831-21apt-get22:13:133
254899432cyclictest21831-21apt-get22:13:133
254899431cyclictest30277-21/usr/sbin/munin22:28:123
254899431cyclictest30277-21/usr/sbin/munin22:28:123
254899431cyclictest30277-21/usr/sbin/munin22:28:123
71420rcu_preempt0-21swapper/223:13:182
71420rcu_preempt0-21swapper/223:13:182
71420rcu_preempt0-21swapper/023:04:210
71420rcu_preempt0-21swapper/023:04:210
254899424cyclictest0-21swapper/323:13:093
254899424cyclictest0-21swapper/323:13:093
254899424cyclictest0-21swapper/300:05:133
254899424cyclictest0-21swapper/300:05:133
254899423cyclictest0-21swapper/322:58:103
254899423cyclictest0-21swapper/322:58:103
254899423cyclictest0-21swapper/322:58:103
254899423cyclictest0-21swapper/322:37:503
254899423cyclictest0-21swapper/322:37:503
254899423cyclictest0-21swapper/322:23:073
254899423cyclictest0-21swapper/322:23:073
254899423cyclictest0-21swapper/322:23:073
254899423cyclictest0-21swapper/322:01:093
254899423cyclictest0-21swapper/322:01:093
254899423cyclictest0-21swapper/321:12:493
254899423cyclictest0-21swapper/321:12:493
254899423cyclictest0-21swapper/301:00:413
254899423cyclictest0-21swapper/301:00:413
254899422cyclictest8626-21runrttasks21:20:023
254899422cyclictest8626-21runrttasks21:20:023
254899422cyclictest8124-21/usr/sbin/munin23:48:163
254899422cyclictest8124-21/usr/sbin/munin23:48:163
254899422cyclictest8124-21/usr/sbin/munin23:48:163
254899422cyclictest7142-21/usr/sbin/munin19:58:073
254899422cyclictest7142-21/usr/sbin/munin19:58:073
254899422cyclictest25655-21users23:18:203
254899422cyclictest25655-21users23:18:203
254899422cyclictest25215-21/usr/sbin/munin21:03:093
254899422cyclictest25215-21/usr/sbin/munin21:03:093
254899422cyclictest0-21swapper/323:58:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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