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2026-08-24 - 17:25
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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 Mon Aug 24, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81880rcu_preempt23084-21ssh10:55:111
81840rcu_preempt0-21swapper/107:17:001
81790rcu_preempt0-21swapper/111:24:101
81770rcu_preempt26081-21if_wlan012:05:090
81770rcu_preempt22260-21df_abs08:15:031
81760rcu_preempt14389-21ssh11:41:391
81750rcu_preempt0-21swapper/111:05:151
81750rcu_preempt0-21swapper/108:45:041
81740rcu_preempt1604-21needreboot12:20:111
81730rcu_preempt15645-21sh12:48:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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