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2026-02-16 - 12:13
[ 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 Mon Feb 16, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591229168,50phc2sys0-21swapper/319:09:403
198052207174,22sleep20-21swapper/219:07:592
197782204168,24sleep00-21swapper/019:07:360
197222203172,19sleep10-21swapper/119:06:521
1395918564,12phc2sys0-21swapper/319:10:003
139291820,1ptp4l391rcuc/320:25:253
20257996826,9cyclictest41-21ksoftirqd/320:30:263
20257996430,9cyclictest41-21ksoftirqd/323:05:003
20257996428,8cyclictest41-21ksoftirqd/322:05:253
20257996026,9cyclictest41-21ksoftirqd/300:30:173
20257995924,8cyclictest41-21ksoftirqd/323:40:003
20257995923,7cyclictest41-21ksoftirqd/319:25:223
20257995920,8cyclictest41-21ksoftirqd/319:35:283
20257995920,7cyclictest41-21ksoftirqd/320:44:373
20257995825,8cyclictest41-21ksoftirqd/322:00:253
20254995825,7cyclictest9-21ksoftirqd/019:45:010
20254995823,6cyclictest9-21ksoftirqd/000:30:290
20257995728,9cyclictest41-21ksoftirqd/320:39:593
20257995727,8cyclictest41-21ksoftirqd/320:45:193
20257995726,10cyclictest41-21ksoftirqd/319:50:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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