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2025-05-03 - 01:06
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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 rackcslot3.osadl.org (updated Fri May 02, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81730rcu_preempt20896-21diskmemload10:11:040
81730rcu_preempt10689-21ssh09:53:320
89850720irq/17-ehci_hcd14962-21rm10:59:181
81720rcu_preempt18319-21sh10:06:261
81720rcu_preempt10832-21latency_hist09:53:521
81720rcu_preempt0-21swapper/010:34:030
81710rcu_preempt851-21ssh09:34:210
81700rcu_preempt32038-21sh11:31:061
81700rcu_preempt0-21swapper/111:59:171
81700rcu_preempt0-21swapper/110:26:461
81700rcu_preempt0-21swapper/012:37:450
81700rcu_preempt0-21swapper/011:46:510
81700rcu_preempt0-21swapper/011:39:120
81700rcu_preempt0-21swapper/011:24:400
81700rcu_preempt0-21swapper/011:09:180
81690rcu_preempt27168-21sh11:22:591
81690rcu_preempt0-21swapper/109:25:061
81690rcu_preempt0-21swapper/011:55:030
81680rcu_preempt4513-21ssh10:39:380
81680rcu_preempt24478-21apt-get07:19:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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