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2026-06-14 - 00:26
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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 rackcslot3.osadl.org (updated Sat Jun 13, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81890rcu_preempt32280-21missed_timers07:09:081
81770rcu_preempt0-21swapper/111:30:031
81740rcu_preempt5974-21sh11:26:561
81710rcu_preempt13938-21ssh10:40:420
81710rcu_preempt0-21swapper/109:42:001
81710rcu_preempt0-21swapper/008:29:090
81700rcu_preempt0-21swapper/112:04:021
81700rcu_preempt0-21swapper/111:34:121
81700rcu_preempt0-21swapper/111:23:261
81690rcu_preempt3939-21latency_hist11:23:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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