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2026-02-28 - 08:46
[ 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 20 highest latencies:
System rack5slot3.osadl.org (updated Sat Feb 28, 2026 00:51:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21089961054,381cyclictest0-21swapper/300:09:103
21059960148,381cyclictest0-21swapper/000:29:270
2109995930,84cyclictest0-21swapper/400:18:084
21059957123,380cyclictest0-21swapper/000:18:510
210599543117,423cyclictest0-21swapper/023:05:180
21089953927,126cyclictest0-21swapper/323:33:423
21069951911,253cyclictest0-21swapper/100:28:551
21129951811,84cyclictest0-21swapper/723:44:357
21119951450,126cyclictest0-21swapper/623:24:236
2108995131,126cyclictest9087-21taskset23:03:473
2108995131,126cyclictest9087-21taskset23:03:473
210599506166,338cyclictest2103-21cyclictest22:43:210
21079950174,169cyclictest33-21ksoftirqd/223:44:282
210899499158,338cyclictest22723-1kworker/u17:023:13:583
21079949730,127cyclictest642-21nscd00:29:272
21079948621,262cyclictest0-21swapper/222:43:032
21109948521,298cyclictest0-21swapper/500:29:015
21079948516,211cyclictest0-21swapper/223:33:262
21089948113,465cyclictest0-21swapper/300:29:283
21069948014,84cyclictest0-21swapper/123:45:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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