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2025-11-14 - 07:06
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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 20 highest latencies:
System rack4slot4.osadl.org (updated Fri Nov 14, 2025 00:54:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71750rcu_preempt0-21swapper/223:31:012
71750rcu_preempt0-21swapper/223:31:012
71750rcu_preempt0-21swapper/223:31:012
71660rcu_preempt0-21swapper/322:51:543
71660rcu_preempt0-21swapper/322:51:543
71660rcu_preempt0-21swapper/322:51:543
71600rcu_preempt0-21swapper/223:03:182
71600rcu_preempt0-21swapper/223:03:182
71490rcu_preempt0-21swapper/100:17:411
71490rcu_preempt0-21swapper/100:17:411
71440rcu_preempt0-21swapper/321:39:093
71440rcu_preempt0-21swapper/321:39:093
71420rcu_preempt0-21swapper/221:48:252
71420rcu_preempt0-21swapper/221:48:252
71410rcu_preempt24104-21runrttasks21:32:380
71410rcu_preempt24104-21runrttasks21:32:380
71410rcu_preempt24104-21runrttasks21:32:380
71410rcu_preempt0-21swapper/322:42:373
71410rcu_preempt0-21swapper/322:42:373
71410rcu_preempt0-21swapper/020:33:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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