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2025-06-29 - 00:23
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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 28, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt29638-21sh11:41:421
81760rcu_preempt11756-21ssh10:14:241
81760rcu_preempt0-21swapper/109:50:401
81730rcu_preempt17495-21switchtime07:40:391
81720rcu_preempt4083-21munin-run11:55:131
81720rcu_preempt23285-21ssh10:34:531
81710rcu_preempt14751-21sh09:22:231
81710rcu_preempt13958-21rm11:15:211
81710rcu_preempt10755-21ls12:05:421
81700rcu_preempt14944-21ssh09:22:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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