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2026-02-09 - 12:06
[ 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 09, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591225163,21phc2sys0-21swapper/319:05:333
129232206173,22sleep20-21swapper/219:08:302
129842205171,23sleep10-21swapper/119:09:181
129162203170,22sleep00-21swapper/019:08:240
2097221750,4sleep21333399cyclictest19:25:142
13334996933,7cyclictest41-21ksoftirqd/300:40:003
13334996530,9cyclictest41-21ksoftirqd/300:20:273
13334996530,4cyclictest41-21ksoftirqd/319:50:273
13334996523,8cyclictest41-21ksoftirqd/320:15:003
13334996431,9cyclictest41-21ksoftirqd/300:15:293
13334996430,7cyclictest41-21ksoftirqd/321:10:173
13334996330,8cyclictest41-21ksoftirqd/323:00:243
13334996229,4cyclictest41-21ksoftirqd/321:55:013
13334996132,7cyclictest41-21ksoftirqd/320:50:133
13334996131,8cyclictest41-21ksoftirqd/319:20:233
13334996130,9cyclictest41-21ksoftirqd/323:15:193
13334996128,4cyclictest41-21ksoftirqd/300:00:293
13334996127,4cyclictest41-21ksoftirqd/322:00:013
13334996126,8cyclictest41-21ksoftirqd/300:05:123
13334996126,7cyclictest41-21ksoftirqd/322:40:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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