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2026-01-30 - 11:10
[ 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 Fri Jan 30, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
49817425419,30sleep70-21swapper/719:03:527
49815425443,7sleep50-21swapper/519:03:345
49819224836,8sleep40-21swapper/419:04:054
498687994745,2cyclictest1059465-21kworker/u16:1+events_unbound23:31:436
498688994438,5cyclictest1240129-21latency_hist00:36:437
498688994037,2cyclictest124-21kswapd022:07:067
498688994035,4cyclictest1179869-21latency_hist00:11:447
498688994034,5cyclictest1047423-21latency_hist23:16:437
498688994034,5cyclictest1047423-21latency_hist23:16:437
498682994036,3cyclictest830854-21kworker/u16:1+flush-8:022:11:445
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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