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2026-01-16 - 07:36
[ 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
Characteristics of the 20 highest latencies:
System rackdslot2.osadl.org (updated Fri Jan 16, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129252230201,19sleep30-21swapper/319:06:583
129252230201,19sleep30-21swapper/319:06:583
130752207173,23sleep20-21swapper/219:08:552
130752207173,23sleep20-21swapper/219:08:552
130742205171,23sleep10-21swapper/119:08:531
130742205171,23sleep10-21swapper/119:08:531
128582203170,22sleep00-21swapper/019:06:080
128582203170,22sleep00-21swapper/019:06:080
139291660,1ptp4l401ktimersoftd/320:57:143
139291650,1ptp4l401ktimersoftd/321:25:593
318002620,2sleep30-21swapper/323:10:023
1345499603,55cyclictest0-21swapper/121:02:051
13455995825,3cyclictest33-21ksoftirqd/219:40:122
1345599543,6cyclictest321ktimersoftd/223:05:272
13455995330,11cyclictest33-21ksoftirqd/223:25:132
1345399531,20cyclictest0-21swapper/020:30:430
139291520,1ptp4l401ktimersoftd/321:45:153
1345599521,6cyclictest321ktimersoftd/200:15:262
1345699519,6cyclictest41-21ksoftirqd/322:10:243
1345599514,7cyclictest321ktimersoftd/222:55:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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