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2025-04-02 - 08:27
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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 50 highest latencies:
System rack4slot4.osadl.org (updated Wed Apr 02, 2025 00:52:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71700rcu_preempt0-21swapper/323:52:013
71700rcu_preempt0-21swapper/323:52:013
71580rcu_preempt0-21swapper/020:03:440
71580rcu_preempt0-21swapper/020:03:440
71500rcu_preempt0-21swapper/101:00:071
71500rcu_preempt0-21swapper/101:00:071
71450rcu_preempt6529-21/usr/sbin/munin00:13:290
71450rcu_preempt6529-21/usr/sbin/munin00:13:290
46250450irq/120-QManpo484-2109:24:361
46250450irq/120-QManpo484-2109:24:361
46250450irq/120-QManpo484-2109:24:361
46250450irq/120-QManpo484-2109:24:361
46050450irq/122-QManpo397-2109:24:360
46050450irq/122-QManpo397-2109:24:360
46050450irq/122-QManpo397-2109:24:360
46050450irq/122-QManpo397-2109:24:360
2482099433cyclictest0-21swapper/121:13:471
2482099433cyclictest0-21swapper/121:13:471
24820994321cyclictest0-21swapper/122:47:081
24820994321cyclictest0-21swapper/122:47:081
24820994321cyclictest0-21swapper/122:47:081
24820994221cyclictest0-21swapper/121:38:401
24820994221cyclictest0-21swapper/121:38:401
2482099421cyclictest8626-21runrttasks21:36:401
2482099421cyclictest8626-21runrttasks21:36:401
2482099421cyclictest7286-21/usr/sbin/munin20:33:361
2482099421cyclictest7286-21/usr/sbin/munin20:33:361
71410rcu_preempt0-21swapper/200:23:412
71410rcu_preempt0-21swapper/200:23:412
71410rcu_preempt0-21swapper/100:17:231
71410rcu_preempt0-21swapper/100:17:231
2482099413cyclictest0-21swapper/119:58:221
2482099413cyclictest0-21swapper/119:58:221
2482099412cyclictest9093-21ssh22:08:381
2482099412cyclictest9093-21ssh22:08:381
2482099412cyclictest9093-21ssh22:08:381
2482099412cyclictest771-21ssh00:01:061
2482099412cyclictest771-21ssh00:01:061
2482099412cyclictest24834-21ssh00:50:391
2482099412cyclictest24834-21ssh00:50:391
2482099412cyclictest24834-21ssh00:50:391
2482099412cyclictest18406-21ssh22:26:551
2482099412cyclictest18406-21ssh22:26:551
2482099412cyclictest18406-21ssh22:26:551
2482099412cyclictest0-21swapper/100:18:431
2482099412cyclictest0-21swapper/100:18:431
2482099412cyclictest0-21swapper/100:18:431
24820994120cyclictest0-21swapper/121:03:451
24820994120cyclictest0-21swapper/121:03:451
2482099411cyclictest8626-21runrttasks23:03:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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