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2026-01-15 - 18:59
[ 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 Thu Jan 15, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
177172226167,47sleep30-21swapper/307:07:233
176242209175,23sleep20-21swapper/207:06:102
177442206172,22sleep00-21swapper/007:07:450
177402204170,23sleep10-21swapper/107:07:421
3237521380,4sleep31821999cyclictest09:52:593
1395918762,16phc2sys0-21swapper/307:10:013
91332780,6sleep01821699cyclictest07:55:250
18217996120,9cyclictest25-21ksoftirqd/110:05:121
18217995420,3cyclictest25-21ksoftirqd/112:10:291
139291540,1ptp4l401ktimersoftd/307:57:093
139291510,1ptp4l401ktimersoftd/309:31:223
18216995019,4cyclictest9-21ksoftirqd/011:50:170
18217994814,7cyclictest25-21ksoftirqd/109:45:261
18216994717,4cyclictest9-21ksoftirqd/011:20:260
18217994620,4cyclictest25-21ksoftirqd/108:20:131
1821799456,9cyclictest25-21ksoftirqd/111:50:141
1821799456,8cyclictest25-21ksoftirqd/111:00:171
18217994512,7cyclictest25-21ksoftirqd/107:40:191
18216994513,3cyclictest9-21ksoftirqd/010:35:150
18216994438,3cyclictest9-21ksoftirqd/012:20:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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