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2026-02-09 - 00:53
[ 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 10 highest latencies:
System rack0slot2.osadl.org (updated Sun Feb 08, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267687925949,7sleep40-21swapper/407:03:354
267700725319,30sleep70-21swapper/707:05:237
267684325343,7sleep60-21swapper/607:03:056
2677356995144,5cyclictest2874369-21latency_hist08:46:067
2677342994544,1cyclictest3360085-21kworker/u16:2+flush-8:012:31:054
2677342994544,1cyclictest3360085-21kworker/u16:2+flush-8:012:31:054
267703424131,7sleep50-21swapper/507:05:455
2677356993833,4cyclictest3300884-21latency_hist11:46:057
2677342993735,2cyclictest2865100-21kworker/u16:2+flush-8:009:16:284
29372052350,0chrt0-21swapper/609:16:056
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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