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2026-01-29 - 11:04
[ 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 Thu Jan 29, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35038042650,0sleep73503806-21cut20:17:107
3356719995452,2cyclictest3750148-21kworker/u16:1+events_unbound22:27:135
3356719995148,2cyclictest3701610-21kworker/u16:0+events_unbound22:47:035
3356719995148,2cyclictest3701610-21kworker/u16:0+events_unbound22:47:035
335629625117,30sleep70-21swapper/719:04:597
3356719995047,2cyclictest3846371-21kworker/u16:1+events_unbound22:57:035
3356719994947,2cyclictest4003818-21kworker/u16:4+events_unbound00:32:025
3356717994945,3cyclictest3810280-21kworker/u16:2+flush-8:023:12:044
3356719994745,2cyclictest3701610-21kworker/u16:0+events_unbound23:02:225
3356719994745,2cyclictest3583120-21kworker/u16:1+events_unbound21:27:215
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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