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2026-09-24 - 19:53
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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 Thu Sep 24, 2026 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950840irq/17-ehci_hcd945-21usb-storage11:39:531
81770rcu_preempt0-21swapper/007:05:110
81760rcu_preempt26623-21cron09:54:561
81730rcu_preempt0-21swapper/107:05:021
81700rcu_preempt0-21swapper/012:25:190
81690rcu_preempt0-21swapper/011:05:120
81680rcu_preempt0-21swapper/010:18:180
81670rcu_preempt0-21swapper/011:55:170
81660rcu_preempt8913-21munin-run07:24:550
81660rcu_preempt0-21swapper/110:20:141
81660rcu_preempt0-21swapper/009:20:270
81660rcu_preempt0-21swapper/009:17:440
81650rcu_preempt0-21swapper/110:35:321
81650rcu_preempt0-21swapper/110:12:031
81650rcu_preempt0-21swapper/110:09:361
81650rcu_preempt0-21swapper/011:39:100
81650rcu_preempt0-21swapper/011:27:530
81640rcu_preempt0-21swapper/112:23:361
81640rcu_preempt0-21swapper/111:25:511
81640rcu_preempt0-21swapper/110:52:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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