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2026-01-23 - 06:30
[ 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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot8.osadl.org (updated Fri Jan 23, 2026 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3040277992421,1cyclictest0-21swapper/323:25:003
3040277992320,1cyclictest0-21swapper/322:50:013
3040277992118,1cyclictest0-21swapper/319:55:003
3040277992118,1cyclictest0-21swapper/319:55:003
3040277992118,1cyclictest0-21swapper/300:00:003
304027799201,15cyclictest3196959-21taskset21:10:123
3040277991917,0cyclictest0-21swapper/320:10:013
3040277991916,1cyclictest0-21swapper/323:05:013
3040277991916,1cyclictest0-21swapper/322:00:003
3040277991916,1cyclictest0-21swapper/322:00:003
3040277991916,1cyclictest0-21swapper/321:50:213
3040277991916,1cyclictest0-21swapper/321:49:593
3040277991916,1cyclictest0-21swapper/320:30:253
31650932180,9sleep13165107-21fschecks_count20:45:151
304027799181,13cyclictest3267765-21taskset22:05:153
304027799181,13cyclictest3113429-21taskset20:05:003
304027799176,8cyclictest3357979-21sleep23:15:003
3040277991714,1cyclictest0-21swapper/323:35:003
3040277991714,1cyclictest0-21swapper/321:25:183
3040277991714,1cyclictest0-21swapper/321:25:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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