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2026-02-14 - 16:48
[ 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 Sat Feb 14, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
228915721630,3sleep40-21swapper/407:01:074
2292491995149,2cyclictest2525450-21kworker/u16:0+events_unbound10:01:086
229202124636,7sleep60-21swapper/607:03:106
2292495994540,4cyclictest3018293-21latency_hist12:30:417
2292491994543,2cyclictest2728074-21kworker/u16:6+events_unbound12:29:246
2292486994543,2cyclictest2910291-21kworker/u16:1+events_unbound12:34:565
2292486994543,2cyclictest2728074-21kworker/u16:6+flush-8:011:56:125
2292486994442,2cyclictest2525450-21kworker/u16:0+events_unbound10:32:525
2292491994341,2cyclictest2910291-21kworker/u16:1+events_unbound12:09:246
2292491994240,2cyclictest2838136-21kworker/u16:1+events_unbound11:32:246
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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