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2026-02-18 - 14:04
[ 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 50 highest latencies:
System rack0slot2.osadl.org (updated Wed Feb 18, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40495692990,1sleep74049572-21sort12:00:507
37612512650,1sleep73761252-21cat10:01:007
3385797996058,2cyclictest3513685-21kworker/u16:2+events_unbound08:37:326
338539825949,7sleep50-21swapper/507:03:425
3385797995452,2cyclictest3980661-21kworker/u16:2+events_unbound12:00:396
3385797995250,2cyclictest4000037-21kworker/u16:5+events_unbound12:10:586
3385797995149,2cyclictest3726780-21kworker/u16:2+events_unbound10:15:526
338534625140,7sleep40-21swapper/407:03:004
3385797994845,2cyclictest3872691-21kworker/u16:2+events_unbound11:10:416
338546424736,8sleep60-21swapper/607:04:396
3385797994644,2cyclictest3980661-21kworker/u16:2+events_unbound11:57:476
3385797994442,2cyclictest3968574-21kworker/u16:0+events_unbound12:05:516
3385797994441,2cyclictest3763789-21kworker/u16:4+events_unbound10:10:436
3385801994237,4cyclictest3872273-21latency_hist10:50:267
3385797994240,2cyclictest3475235-21kworker/u16:0+flush-8:007:55:266
3385797994139,2cyclictest3894105-21kworker/u16:3+events_unbound11:15:596
3385797994139,2cyclictest3894105-21kworker/u16:3+events_unbound11:15:596
3385797994139,2cyclictest3872691-21kworker/u16:2+events_unbound11:09:526
3385797994139,2cyclictest3872691-21kworker/u16:2+events_unbound10:51:326
3385797994139,2cyclictest3821701-21kworker/u16:4+events_unbound10:31:366
3385797994139,2cyclictest3691521-21kworker/u16:0+flush-8:009:45:426
3385795994138,2cyclictest1925032-21kworker/u16:5+events_unbound07:10:285
3385797994038,2cyclictest4000037-21kworker/u16:5+events_unbound12:30:236
3385797994038,2cyclictest3968574-21kworker/u16:0+events_unbound11:44:396
3385797994038,2cyclictest3714189-21kworker/u16:3+events_unbound10:00:536
33764562403,31sleep70-21swapper/707:00:397
3385797993937,2cyclictest3955653-21kworker/u16:1+events_unbound11:24:286
3385797993937,2cyclictest3872691-21kworker/u16:2+flush-8:010:55:366
3385797993937,2cyclictest3714189-21kworker/u16:3+events_unbound10:42:366
3385797993937,2cyclictest3631571-21kworker/u16:1+events_unbound09:50:516
3385797993837,1cyclictest3955653-21kworker/u16:1+events_unbound11:29:076
3385797993735,2cyclictest4074476-21kworker/u16:0+events_unbound12:33:116
3385797993735,2cyclictest4074476-21kworker/u16:0+events_unbound12:33:116
3385797993735,2cyclictest4062047-21kworker/u16:1+events_unbound12:20:396
3385797993735,2cyclictest3821661-21kworker/u16:1+events_unbound10:35:446
3385797993634,2cyclictest4000037-21kworker/u16:5+events_unbound11:49:366
3385797993634,2cyclictest3821661-21kworker/u16:1+events_unbound11:00:556
3385797993634,2cyclictest3714189-21kworker/u16:3+events_unbound10:06:356
3385797993634,2cyclictest3691521-21kworker/u16:0+flush-8:009:55:596
3385797993634,2cyclictest3691521-21kworker/u16:0+flush-8:009:36:006
3385797993634,2cyclictest3691521-21kworker/u16:0+events_unbound10:26:006
3385797993634,2cyclictest3631571-21kworker/u16:1+flush-8:009:26:086
3385797993634,2cyclictest3551852-21kworker/u16:6+events_unbound09:15:236
3385797993634,2cyclictest3551852-21kworker/u16:6+events_unbound09:15:236
3385797993634,2cyclictest3513685-21kworker/u16:2+events_unbound09:42:356
3385797993634,2cyclictest3513685-21kworker/u16:2+events_unbound09:24:366
3385797993533,2cyclictest3590590-21kworker/u16:3+events_unbound09:19:476
3385797993533,2cyclictest3513685-21kworker/u16:2+events_unbound09:31:076
3385797993432,2cyclictest4062047-21kworker/u16:1+events_unbound12:18:436
3385797993432,2cyclictest3590590-21kworker/u16:3+events_unbound09:10:246
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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