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2026-01-18 - 22:04
[ 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 Sun Jan 18, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
380958025419,30sleep70-21swapper/707:03:457
380958025419,30sleep70-21swapper/707:03:457
380059825342,7sleep40-21swapper/407:02:384
380059825342,7sleep40-21swapper/407:02:384
3810140995149,2cyclictest95804-21kworker/u16:1+events_unbound11:37:296
3810145995045,4cyclictest4191580-21latency_hist10:17:297
2810082480,0sleep7281006-21ssh12:12:377
3810136994543,2cyclictest219149-21kworker/u16:4+events_unbound11:56:195
3810128994543,2cyclictest4008828-21kworker/u16:4+events_unbound10:11:404
3810136994240,2cyclictest4154740-21kworker/u16:3+events_unbound10:51:165
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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