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2026-01-19 - 02:29
[ 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 Sun Jan 18, 2026 12:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
175082235168,22sleep10-21swapper/107:08:261
1604222160,18sleep20-21swapper/207:05:162
139591213166,36phc2sys0-21swapper/307:07:583
176152207173,22sleep00-21swapper/007:09:460
17933997135,8cyclictest41-21ksoftirqd/312:20:013
17933996935,7cyclictest41-21ksoftirqd/311:50:013
17933996730,7cyclictest41-21ksoftirqd/311:25:003
17933996627,8cyclictest41-21ksoftirqd/309:40:003
17933996535,7cyclictest41-21ksoftirqd/311:20:003
17933996528,6cyclictest41-21ksoftirqd/308:40:003
1793099651,21cyclictest18019-21date11:50:010
17933996427,8cyclictest41-21ksoftirqd/307:55:003
17933996426,9cyclictest41-21ksoftirqd/309:50:123
1793099641,29cyclictest4290-21cat10:14:590
1793099640,20cyclictest31814-21cat08:55:160
17933996331,8cyclictest41-21ksoftirqd/311:40:273
17933996330,8cyclictest41-21ksoftirqd/308:33:443
17933996330,8cyclictest41-21ksoftirqd/308:33:443
17933996330,4cyclictest41-21ksoftirqd/310:35:003
1793099630,21cyclictest7080-21date12:35:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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