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2026-08-18 - 06:22
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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 Tue Aug 18, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81890rcu_preempt30796-21ssh23:08:550
81750rcu_preempt9090-21strings19:19:371
81750rcu_preempt32503-21kernelversion00:14:391
81750rcu_preempt1452-21ssh23:14:311
81750rcu_preempt0-21swapper/100:29:351
81740rcu_preempt8362-21ssh23:27:510
81740rcu_preempt24577-21ssh23:59:311
81740rcu_preempt16889-21munin-run21:39:160
81730rcu_preempt0-21swapper/019:34:360
81710rcu_preempt9407-21ssh00:34:590
81710rcu_preempt0-21swapper/123:54:341
81710rcu_preempt0-21swapper/123:49:111
81710rcu_preempt0-21swapper/023:29:360
81710rcu_preempt0-21swapper/022:29:430
81700rcu_preempt14615-21munin-run19:44:151
81700rcu_preempt0-21swapper/119:14:361
81700rcu_preempt0-21swapper/022:24:450
81690rcu_preempt6293-21diskmemload21:46:200
81690rcu_preempt4252-21if_wlan023:19:370
81690rcu_preempt30652-21sh23:08:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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