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2026-04-04 - 17:37
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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 rackcslot3.osadl.org (updated Sat Apr 04, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81710rcu_preempt0-21swapper/011:52:440
81710rcu_preempt0-21swapper/010:12:380
147950710irq/31-eth0-tx-945-21usb-storage12:19:171
81700rcu_preempt0-21swapper/109:00:291
81700rcu_preempt0-21swapper/012:44:310
81700rcu_preempt0-21swapper/012:12:480
81700rcu_preempt0-21swapper/011:43:000
81700rcu_preempt0-21swapper/010:45:160
81690rcu_preempt11374-21ssh09:58:001
81690rcu_preempt0-21swapper/112:10:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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