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2026-05-27 - 05:37
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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 10 highest latencies:
System rack4slot4.osadl.org (updated Wed May 27, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
180592900chrt46450irq/118-QMan10:48:552
180592900chrt46450irq/118-QMan10:48:552
99750510irq/38-i2c-mpc6864-21cyclictest00:33:083
99750510irq/38-i2c-mpc6864-21cyclictest00:33:083
71490rcu_preempt24470-1kworker/0:3H20:18:310
71490rcu_preempt24470-1kworker/0:3H20:18:310
71490rcu_preempt24470-1kworker/0:3H20:18:310
46050460irq/122-QManpo2176-2110:48:550
46050460irq/122-QManpo2176-2110:48:550
71440rcu_preempt29920-1kworker/0:1H00:13:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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