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2026-01-29 - 21:06
[ 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 Thu Jan 29, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222480921040,1sleep72224810-21ssh09:29:407
245654021010,1sleep72456541-21sh11:05:017
25046902980,1sleep72504691-21sh11:24:007
26030492550,0sleep72603050-21sh12:05:447
192898825420,30sleep70-21swapper/707:06:307
192897724939,7sleep50-21swapper/507:06:205
192899424837,8sleep40-21swapper/407:06:354
192894024535,7sleep60-21swapper/607:05:496
1929301994442,2cyclictest2237053-21kworker/u16:1+flush-8:011:12:104
1929307994139,2cyclictest2186164-21kworker/u16:3+flush-8:009:27:126
1929301993937,2cyclictest2491533-21kworker/u16:2+events_unbound11:17:564
1929301993937,2cyclictest2237053-21kworker/u16:1+events_unbound11:41:084
1929301993937,2cyclictest1930332-21kworker/u16:0+flush-8:008:11:454
1929307993735,2cyclictest2237053-21kworker/u16:1+events_unbound10:43:116
1929301993634,2cyclictest2334490-21kworker/u16:0+events_unbound12:24:564
1929301993634,2cyclictest2334490-21kworker/u16:0+events_unbound12:24:564
1929301993533,2cyclictest2334490-21kworker/u16:0+events_unbound10:29:564
1929301993533,2cyclictest2237053-21kworker/u16:1+events_unbound11:43:524
1929301993533,2cyclictest2237053-21kworker/u16:1+events_unbound09:48:574
1929301993432,2cyclictest2334490-21kworker/u16:0+events_unbound10:17:564
1929301993432,2cyclictest2237053-21kworker/u16:1+events_unbound11:22:164
1929307993331,2cyclictest2554960-21kworker/u16:5+events_unbound12:14:196
1929307993331,2cyclictest2530587-21kworker/u16:3+events_unbound12:09:516
1929307993331,2cyclictest2491533-21kworker/u16:2+events_unbound11:20:156
1929307993331,2cyclictest2155409-21kworker/u16:2+events_unbound10:29:036
1929301993331,2cyclictest2554960-21kworker/u16:5+events_unbound11:53:244
1929301993331,2cyclictest2334490-21kworker/u16:0+events_unbound12:00:564
1929301993331,2cyclictest2334490-21kworker/u16:0+events_unbound10:37:154
1929301993331,2cyclictest2260449-21kworker/u16:3+events_unbound09:58:414
1929301993331,2cyclictest2186164-21kworker/u16:3+events_unbound09:25:054
1929301993331,2cyclictest2186164-21kworker/u16:3+events_unbound09:14:454
1929301993330,3cyclictest2443173-21kworker/u16:4+flush-8:011:11:454
1929301993330,2cyclictest1930332-21kworker/u16:0+flush-8:007:11:474
1929307993230,2cyclictest2334490-21kworker/u16:0+events_unbound10:14:516
1929307993230,2cyclictest2260449-21kworker/u16:3+events_unbound10:03:196
1929307993230,2cyclictest2189307-21kworker/u16:4+events_unbound09:19:196
1929301993230,2cyclictest2334490-21kworker/u16:0+events_unbound12:32:554
1929301993230,2cyclictest2237053-21kworker/u16:1+events_unbound10:59:574
1929301993230,2cyclictest2155409-21kworker/u16:2+events_unbound10:02:574
1929301993229,3cyclictest2237053-21kworker/u16:1+events_unbound11:28:244
192931199310,30cyclictest650-21systemd-journal11:56:457
1929307993129,2cyclictest2491533-21kworker/u16:2+events_unbound11:45:556
1929307993129,2cyclictest2334490-21kworker/u16:0+events_unbound11:59:596
1929307993129,2cyclictest2334490-21kworker/u16:0+events_unbound11:25:556
1929307993129,2cyclictest2334490-21kworker/u16:0+events_unbound10:51:396
1929307993129,2cyclictest2260449-21kworker/u16:3+events_unbound09:53:076
1929307993129,2cyclictest2237053-21kworker/u16:1+events_unbound11:00:076
1929301993129,2cyclictest2237053-21kworker/u16:1+events_unbound09:52:574
1929301993129,2cyclictest2155409-21kworker/u16:2+events_unbound09:09:054
1929307993028,2cyclictest2554960-21kworker/u16:5+events_unbound12:35:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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