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2026-05-29 - 16:40
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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 Fri May 29, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71460rcu_preempt0-21swapper/309:18:193
71460rcu_preempt0-21swapper/309:18:193
99750450irq/38-i2c-mpc8884-1ssh10:18:410
99750450irq/38-i2c-mpc8884-1ssh10:18:410
99750450irq/38-i2c-mpc8884-1ssh10:18:410
71440rcu_preempt17880-21ssh09:35:202
71440rcu_preempt17880-21ssh09:35:202
71440rcu_preempt17880-21ssh09:35:202
71440rcu_preempt17880-21ssh09:35:202
71420rcu_preempt0-21swapper/107:08:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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