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2026-01-21 - 16:13
[ 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 Jan 21, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377708526452,8sleep50-21swapper/507:03:565
377708526452,8sleep50-21swapper/507:03:565
377732725443,8sleep60-21swapper/607:07:186
377732725443,8sleep60-21swapper/607:07:186
377729625319,30sleep70-21swapper/707:06:557
377729625319,30sleep70-21swapper/707:06:557
3777614994946,2cyclictest3848971-21kworker/u16:3+flush-8:007:47:184
3777614994744,2cyclictest172294-21kworker/u16:3+flush-8:011:57:174
3777629994035,4cyclictest27220-21latency_hist10:32:187
3777624993836,2cyclictest4110899-21kworker/u16:4+events_unbound10:28:256
377711323828,7sleep40-21swapper/407:04:194
377711323828,7sleep40-21swapper/407:04:194
3777629993732,4cyclictest88411-21latency_hist10:57:177
3777624993735,2cyclictest4157617-21kworker/u16:1+events_unbound11:12:556
3777624993735,2cyclictest235435-21kworker/u16:1+events_unbound12:15:356
3777629993631,4cyclictest4025425-21latency_hist09:12:187
3777624993634,2cyclictest4157618-21kworker/u16:3+events_unbound10:05:166
3777624993634,2cyclictest235435-21kworker/u16:1+events_unbound12:09:396
3777614993634,2cyclictest151163-21kworker/u16:0+events_unbound11:29:184
3777624993533,2cyclictest11871-21kworker/u16:0+events_unbound10:51:376
3777614993533,2cyclictest3810296-21kworker/u16:0+flush-8:007:32:174
3777614993533,2cyclictest3810296-21kworker/u16:0+flush-8:007:32:174
3777614993532,2cyclictest4157618-21kworker/u16:3+flush-8:010:12:284
3777624993432,2cyclictest88434-21kworker/u16:2+events_unbound11:33:036
3777624993432,2cyclictest4157617-21kworker/u16:1+events_unbound10:19:536
3777624993432,2cyclictest11871-21kworker/u16:0+flush-8:010:37:596
3777629993327,5cyclictest2439-21latency_hist10:22:177
3777624993331,2cyclictest4003575-21kworker/u16:0+flush-8:009:32:456
3777620993331,2cyclictest3917837-21kworker/u16:3+flush-8:009:07:175
3777624993230,2cyclictest4157617-21kworker/u16:1+events_unbound10:13:386
3777624993230,2cyclictest3766494-21kworker/u16:2+events_unbound09:45:416
3777624993230,2cyclictest185230-21kworker/u16:0+events_unbound11:41:506
3777614993230,2cyclictest3917837-21kworker/u16:3+flush-8:009:02:174
3777624993129,2cyclictest27264-21kworker/u16:2+events_unbound10:44:096
3777624993129,2cyclictest172294-21kworker/u16:3+events_unbound11:59:376
3777624993028,2cyclictest4157618-21kworker/u16:3+events_unbound10:10:386
3777624993028,2cyclictest4157617-21kworker/u16:1+events_unbound11:07:256
3777624993028,2cyclictest283256-21kworker/u16:2+events_unbound12:33:046
3777624993028,2cyclictest235435-21kworker/u16:1+events_unbound12:23:326
3777624993028,2cyclictest235435-21kworker/u16:1+events_unbound12:05:156
3777624993028,2cyclictest172294-21kworker/u16:3+events_unbound11:56:266
3777624992927,2cyclictest4110899-21kworker/u16:4+events_unbound10:55:536
3777624992927,2cyclictest4003575-21kworker/u16:0+events_unbound09:48:396
3777624992927,2cyclictest3917837-21kworker/u16:3+events_unbound09:10:546
3777624992927,2cyclictest3786347-21kworker/u16:4+events_unbound07:40:376
3777624992927,2cyclictest172294-21kworker/u16:3+events_unbound11:31:376
3777624992926,2cyclictest4110899-21kworker/u16:4+events_unbound11:17:266
3777624992924,2cyclictest4110899-21kworker/u16:4+events_unbound11:47:136
3777614992927,2cyclictest4003575-21kworker/u16:0+flush-8:009:17:334
3777624992826,2cyclictest88434-21kworker/u16:2+flush-8:011:03:056
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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