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2026-01-14 - 18:03
[ 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.
Unexpectedly long latencies may be caused by SMIs
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 10 highest latencies:
System rack0slot2.osadl.org (updated Wed Jan 14, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
249967525319,30sleep70-21swapper/707:06:207
249950325241,8sleep40-21swapper/407:03:524
249957924939,7sleep60-21swapper/607:04:596
2500087994846,2cyclictest2771108-21kworker/u16:0+events_unbound09:37:585
250009699460,44cyclictest2925707-21latency_hist10:27:457
249956924434,7sleep50-21swapper/507:04:505
2500087994341,2cyclictest3173206-21kworker/u16:2+flush-8:012:25:075
2500087994341,2cyclictest2938149-21kworker/u16:4+events_unbound10:37:585
2500087994341,2cyclictest2938149-21kworker/u16:4+events_unbound10:36:595
2500087994341,2cyclictest2678997-21kworker/u16:3+events_unbound09:52:295
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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