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2026-02-11 - 15:41
[ 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 Wed Feb 11, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
300522521020,0sleep50-21swapper/511:01:145
248053325420,29sleep70-21swapper/707:03:427
2480968994440,3cyclictest2513718-21kworker/u16:3+flush-8:007:28:086
2480967994442,2cyclictest3133097-21kworker/u16:3+flush-8:012:31:235
2480967994341,2cyclictest3096090-21kworker/u16:3+events_unbound11:41:195
248040624232,7sleep40-21swapper/407:01:544
2480973994136,4cyclictest650-21systemd-journal10:15:537
2480967994139,2cyclictest2963427-21kworker/u16:0+events_unbound11:21:175
247147424129,8sleep50-21swapper/507:00:595
2480967994038,2cyclictest2963427-21kworker/u16:0+flush-8:011:16:155
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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