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2026-01-23 - 08:50
[ 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 rackfslot7.osadl.org (updated Fri Jan 23, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1800740995232,1cyclictest5150ktimers/320:25:043
1800745994930,19cyclictest0-21swapper/721:50:167
1800743994810,19cyclictest0-21swapper/600:15:166
180074399420,18cyclictest0-21swapper/621:05:166
1800737994241,1cyclictest1949245-21kworker/u32:4+events_unbound00:05:060
180074099414,0cyclictest0-21swapper/319:20:243
180074099404,0cyclictest0-21swapper/320:30:203
180074099401,37cyclictest90650irq/68-eno6-TxRx-623:30:033
180074399390,34cyclictest0-21swapper/621:10:156
180074099391,1cyclictest1918694-21/usr/sbin/munin22:45:123
180074099391,0cyclictest0-21swapper/320:05:123
180074099390,37cyclictest90650irq/68-eno6-TxRx-622:40:243
180073999391,19cyclictest0-21swapper/223:20:162
180073999390,20cyclictest0-21swapper/219:35:162
1800740993838,0cyclictest0-21swapper/323:41:043
1800740993838,0cyclictest0-21swapper/322:31:553
1800740993838,0cyclictest0-21swapper/322:12:043
1800740993838,0cyclictest0-21swapper/321:00:563
1800740993837,0cyclictest0-21swapper/323:05:083
1800740993837,0cyclictest0-21swapper/320:18:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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