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2026-03-03 - 23:33
[ 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 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176872208141,22sleep00-21swapper/007:07:280
139591207162,33phc2sys0-21swapper/307:07:483
178692204170,23sleep20-21swapper/207:09:432
177602204170,22sleep10-21swapper/107:08:261
972621640,7sleep21818599cyclictest12:30:102
254782710,5sleep31818699cyclictest10:45:253
18184996529,7cyclictest25-21ksoftirqd/109:00:011
7592640,3sleep30-21swapper/312:10:183
18184996132,4cyclictest25-21ksoftirqd/107:15:221
18184996131,4cyclictest25-21ksoftirqd/111:40:151
18184996130,4cyclictest25-21ksoftirqd/110:45:141
18183996127,4cyclictest9-21ksoftirqd/009:15:160
18183996127,4cyclictest9-21ksoftirqd/009:15:150
18184995928,4cyclictest25-21ksoftirqd/110:00:011
18184995912,8cyclictest25-21ksoftirqd/107:40:191
18184995828,4cyclictest25-21ksoftirqd/110:25:171
18184995827,4cyclictest25-21ksoftirqd/111:10:141
18184995827,10cyclictest25-21ksoftirqd/107:30:181
18184995826,9cyclictest25-21ksoftirqd/111:00:171
139291580,1ptp4l401ktimersoftd/311:01:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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