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2026-05-29 - 22:39
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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 rackcslot3.osadl.org (updated Fri May 29, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146250740irq/28-eth0-rx-0-21swapper/107:11:001
81730rcu_preempt17419-21ssh11:07:500
81720rcu_preempt18336-21diskmemload12:26:370
81720rcu_preempt10991-21ssh10:56:140
81720rcu_preempt0-21swapper/108:52:561
81710rcu_preempt16197-21ssh10:06:310
81710rcu_preempt0-21swapper/011:19:040
81710rcu_preempt0-21swapper/011:19:040
81700rcu_preempt8116-21sh10:50:401
81700rcu_preempt0-21swapper/112:02:401
81700rcu_preempt0-21swapper/111:06:531
81700rcu_preempt0-21swapper/109:48:001
81700rcu_preempt0-21swapper/011:44:450
81700rcu_preempt0-21swapper/011:27:460
81700rcu_preempt0-21swapper/011:27:460
81700rcu_preempt0-21swapper/011:13:310
81690rcu_preempt25944-21sh09:24:191
81690rcu_preempt20978-21ssh12:11:320
81690rcu_preempt0-21swapper/011:02:520
81690rcu_preempt0-21swapper/009:30:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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