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2026-01-23 - 14:35
[ 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 rackeslot3.osadl.org (updated Fri Jan 23, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3020980996662,2cyclictest0-21swapper/100:23:051
3020980996461,2cyclictest0-21swapper/119:33:411
3020980996336,25cyclictest3103074-21kworker/1:222:05:161
302098099630,62cyclictest0-21swapper/122:47:051
3020980996240,20cyclictest3117175-21kworker/1:222:20:161
3020980996142,18cyclictest3102358-21kworker/1:122:05:001
3020980996142,17cyclictest3147744-21kworker/1:022:55:131
3020980996141,18cyclictest3050959-21kworker/1:220:45:141
3020980996139,20cyclictest3103074-21kworker/1:222:10:141
302098099611,58cyclictest26-21ksoftirqd/119:42:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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