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2026-01-14 - 09:09
[ 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 Wed Jan 14, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt0-21swapper/123:19:401
81770rcu_preempt3-21ksoftirqd/023:23:140
147850760irq/30-eth0-tx-181ktimersoftd/123:11:201
81750rcu_preempt0-21swapper/122:17:251
81740rcu_preempt0-21swapper/100:36:521
81730rcu_preempt18960-21ntpq22:11:461
81730rcu_preempt0-21swapper/123:53:241
81720rcu_preempt19-21ksoftirqd/100:22:391
81720rcu_preempt0-21swapper/122:46:431
89850710irq/17-ehci_hcd0-21swapper/122:25:031
89850700irq/17-ehci_hcd30312-1kworker/0:1H19:09:120
81700rcu_preempt17048-21diskmemload22:38:130
81680rcu_preempt0-21swapper/023:05:420
81670rcu_preempt28628-21apt-get21:31:350
81660rcu_preempt2138-21snmpd19:20:030
81660rcu_preempt13163-21munin-run00:01:240
81660rcu_preempt0-21swapper/022:58:510
81650rcu_preempt0-21swapper/022:12:560
81650rcu_preempt0-21swapper/000:31:480
89850640irq/17-ehci_hcd8422-21ssh22:51:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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