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2026-05-02 - 14:45
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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 Sat May 02, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt10250-21cron19:40:111
81760rcu_preempt10357-21/usr/sbin/munin23:15:301
81740rcu_preempt0-21swapper/119:05:531
81730rcu_preempt0-21swapper/021:41:430
81720rcu_preempt0-21swapper/023:08:320
81700rcu_preempt32489-21diskmemload23:53:230
81700rcu_preempt0-21swapper/022:30:300
81690rcu_preempt29721-21ssh23:48:571
81680rcu_preempt0-21swapper/023:39:260
81680rcu_preempt0-21swapper/021:32:090
81670rcu_preempt533-21diskmemload21:45:180
81670rcu_preempt28739-21sh23:46:070
81660rcu_preempt0-21swapper/023:00:550
81650rcu_preempt0-21swapper/123:55:071
81650rcu_preempt0-21swapper/123:36:241
81650rcu_preempt0-21swapper/123:21:191
81650rcu_preempt0-21swapper/121:48:581
81650rcu_preempt0-21swapper/120:25:361
81650rcu_preempt0-21swapper/100:25:341
81650rcu_preempt0-21swapper/000:39:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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