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2026-03-03 - 10:03
[ 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 Tue Mar 03, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
275842217172,35sleep20-21swapper/219:08:592
139591208174,23phc2sys0-21swapper/319:07:103
274462205171,23sleep00-21swapper/019:07:110
276352204170,23sleep10-21swapper/119:09:381
1139721630,7sleep02795599cyclictest00:10:240
180121550,4sleep02795599cyclictest21:35:230
1743221120,2sleep00-21swapper/019:55:140
139291560,1ptp4l401ktimersoftd/320:53:503
5652530,2sleep00-21swapper/023:50:140
2795699513,46cyclictest0-21swapper/123:45:451
27958994942,4cyclictest6245-21cron20:40:003
139291490,1ptp4l391rcuc/320:22:043
139291480,1ptp4l401ktimersoftd/320:41:173
272422460,2sleep20-21swapper/220:15:172
27955994433,6cyclictest9-21ksoftirqd/000:30:120
27956994226,13cyclictest25-21ksoftirqd/119:35:111
139291420,0ptp4l401ktimersoftd/322:11:173
139291420,0ptp4l401ktimersoftd/319:40:233
139291420,0ptp4l401ktimersoftd/300:19:553
27958994136,3cyclictest41-21ksoftirqd/320:20:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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