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2026-02-02 - 11:52
[ 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 Mon Feb 02, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32846626150,7sleep40-21swapper/419:05:084
32886899550,53cyclictest851583-21latency_hist23:11:317
328866995351,2cyclictest801356-21kworker/u16:0+flush-8:022:51:326
328861995350,2cyclictest666181-21kworker/u16:4+flush-8:022:46:475
32840425318,30sleep70-21swapper/719:04:157
328861995250,2cyclictest763593-21kworker/u16:3+flush-8:000:01:585
32886899490,47cyclictest827334-21latency_hist23:01:317
328861994947,2cyclictest801356-21kworker/u16:0+flush-8:023:12:025
328861994947,2cyclictest763593-21kworker/u16:3+flush-8:023:02:065
328861994947,2cyclictest462344-21kworker/u16:0+events_unbound21:56:555
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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