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2026-02-07 - 14:00
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 Feb 07, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811020rcu_preempt23942-21ssh23:57:441
81870rcu_preempt12593-21ssh23:37:050
81830rcu_preempt19-21ksoftirqd/100:29:341
81790rcu_preempt0-21swapper/119:09:381
89850730irq/17-ehci_hcd945-21usb-storage19:08:000
81730rcu_preempt19-21ksoftirqd/123:00:531
81720rcu_preempt20520-21sh23:51:350
89850710irq/17-ehci_hcd945-21usb-storage00:18:411
89850710irq/17-ehci_hcd945-21usb-storage00:18:411
81710rcu_preempt5816-21ssh21:21:370
81710rcu_preempt0-21swapper/023:57:510
81710rcu_preempt0-21swapper/022:57:560
81710rcu_preempt0-21swapper/000:27:560
81710rcu_preempt0-21swapper/000:13:400
81700rcu_preempt0-21swapper/023:55:030
81700rcu_preempt0-21swapper/019:32:530
81670rcu_preempt23816-21ssh22:53:470
81670rcu_preempt0-21swapper/022:39:000
81650rcu_preempt19632-21ssh22:47:410
81650rcu_preempt0-21swapper/022:22:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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