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2026-01-27 - 10:15
[ 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 Tue Jan 27, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
637361996361,2cyclictest1030180-21kworker/u16:2+events_unbound22:22:135
63677325418,31sleep70-21swapper/719:02:477
63677325418,31sleep70-21swapper/719:02:477
637361995250,2cyclictest804946-21kworker/u16:4+flush-8:022:02:245
637365995048,2cyclictest589112-21kworker/u16:2+events_unbound20:47:126
637365995048,2cyclictest1343634-21kworker/u16:3+flush-8:000:27:246
637361995048,2cyclictest636767-21kworker/u16:0+flush-8:019:37:235
637365994947,2cyclictest921127-21kworker/u16:0+events_unbound21:37:246
637365994947,2cyclictest921127-21kworker/u16:0+events_unbound21:37:246
637365994947,2cyclictest1039037-21kworker/u16:5+events_unbound23:37:106
637365994946,2cyclictest1039037-21kworker/u16:5+flush-8:023:52:106
637361994745,2cyclictest589112-21kworker/u16:2+events_unbound19:17:225
637361994745,2cyclictest1317289-21kworker/u16:1+events_unbound00:12:245
63686524737,7sleep40-21swapper/419:04:044
63686524737,7sleep40-21swapper/419:04:044
637365994644,2cyclictest1331044-21kworker/u16:2+events_unbound00:17:296
637361994644,2cyclictest589112-21kworker/u16:2+events_unbound20:42:275
637361994643,3cyclictest804946-21kworker/u16:4+flush-8:021:17:115
637367994544,0cyclictest0-21swapper/723:27:247
637367994542,2cyclictest823865-21sed20:37:247
637367994542,2cyclictest1202186-21kthreadcore23:22:157
637365994543,2cyclictest804946-21kworker/u16:4+events_unbound21:17:286
637365994543,2cyclictest589112-21kworker/u16:2+events_unbound19:57:206
637365994543,2cyclictest1039037-21kworker/u16:5+events_unbound00:07:256
637361994543,2cyclictest853914-21kworker/u16:1+events_unbound22:12:255
626589450,38rtkit-daemon0-21swapper/519:04:115
626589450,38rtkit-daemon0-21swapper/519:04:115
637365994442,2cyclictest589112-21kworker/u16:2+flush-8:019:12:116
637367994341,1cyclictest1053270-21ssh22:20:397
637361994340,2cyclictest804946-21kworker/u16:4+events_unbound21:22:095
637361994340,2cyclictest1067374-21kworker/u16:1+events_unbound22:47:165
637361994240,2cyclictest921127-21kworker/u16:0+events_unbound21:52:235
637361994240,2cyclictest589112-21kworker/u16:2+events_unbound20:27:245
637367994139,1cyclictest1160900-21ssh23:03:437
637367994136,4cyclictest872893-21diskmemload22:52:097
637365994139,2cyclictest992452-21kworker/u16:2+flush-8:021:57:106
637365994139,2cyclictest1039037-21kworker/u16:5+events_unbound23:47:296
637367994039,0cyclictest0-21swapper/722:23:187
637365994038,2cyclictest804946-21kworker/u16:4+events_unbound21:12:256
637365994038,2cyclictest589112-21kworker/u16:2+flush-8:020:57:196
637365994038,2cyclictest1305167-21kworker/u16:0+events_unbound00:04:516
637361994038,2cyclictest1317289-21kworker/u16:1+events_unbound00:17:235
637361994038,2cyclictest1067374-21kworker/u16:1+events_unbound22:27:205
637361994038,2cyclictest1030180-21kworker/u16:2+flush-8:022:32:255
63736799390,37cyclictest709451-21cat19:42:067
637365993937,2cyclictest804946-21kworker/u16:4+flush-8:021:42:246
637365993937,2cyclictest589112-21kworker/u16:2+events_unbound19:22:206
637365993937,2cyclictest1067374-21kworker/u16:1+events_unbound22:52:236
637361993937,2cyclictest689058-21kworker/u16:1+events_unbound20:17:225
637361993937,2cyclictest1331044-21kworker/u16:2+events_unbound00:32:245
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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