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2026-02-06 - 04:49
[ 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 Fri Feb 06, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147150121820,13sleep60-21swapper/619:01:516
21879832980,0sleep60-21swapper/600:26:376
18429592960,1sleep60-21swapper/622:01:326
147207325948,8sleep50-21swapper/519:04:315
1472490995047,2cyclictest1601564-21kworker/u16:1+flush-8:020:46:456
1472490994543,2cyclictest755113-21kworker/u16:3+flush-8:019:11:446
1472489994543,2cyclictest1828178-21kworker/u16:4+flush-8:022:06:155
626589440,37rtkit-daemon0-21swapper/419:02:234
1472490994239,2cyclictest1621252-21kworker/u16:3+flush-8:021:06:476
14719502427,31sleep70-21swapper/719:02:497
1472490994139,2cyclictest1688755-21kworker/u16:2+events_unbound22:08:396
1472490994139,2cyclictest1688755-21kworker/u16:2+events_unbound21:20:396
1472490994139,2cyclictest1688755-21kworker/u16:2+events_unbound21:20:396
1472490994038,2cyclictest2121024-21kworker/u16:3+events_unbound00:18:066
1472489994038,2cyclictest1942021-21kworker/u16:3+events_unbound22:53:425
1472494993933,5cyclictest2038858-21latency_hist23:26:157
1472494993933,5cyclictest2038858-21latency_hist23:26:157
1472494993933,5cyclictest1792934-21latency_hist21:41:167
1472490993937,2cyclictest1899836-21kworker/u16:5+events_unbound22:22:026
1472489993937,2cyclictest1942021-21kworker/u16:3+events_unbound23:02:435
1472490993836,2cyclictest2096029-21kworker/u16:0+events_unbound00:35:356
1472490993836,2cyclictest2096029-21kworker/u16:0+events_unbound00:02:556
1472490993836,2cyclictest2096029-21kworker/u16:0+events_unbound00:02:556
1472490993836,2cyclictest1942021-21kworker/u16:3+events_unbound23:18:476
1472490993836,2cyclictest1688755-21kworker/u16:2+events_unbound21:44:516
1472490993836,2cyclictest1621252-21kworker/u16:3+events_unbound21:54:026
1472489993836,2cyclictest1913999-21kworker/u16:1+events_unbound22:45:435
1472489993836,2cyclictest1913999-21kworker/u16:1+events_unbound22:45:435
1472489993836,2cyclictest1688755-21kworker/u16:2+events_unbound21:01:435
1472489993836,2cyclictest1621252-21kworker/u16:3+events_unbound21:32:515
1472489993835,2cyclictest1688755-21kworker/u16:2+events_unbound22:06:175
1472490993735,2cyclictest1942021-21kworker/u16:3+events_unbound23:03:386
1472490993735,2cyclictest1899836-21kworker/u16:5+events_unbound23:29:106
1472490993735,2cyclictest1899836-21kworker/u16:5+events_unbound23:29:106
1472490993735,2cyclictest1899836-21kworker/u16:5+events_unbound22:49:346
1472490993735,2cyclictest1698673-21kworker/u16:0+events_unbound21:38:516
1472490993735,2cyclictest1688755-21kworker/u16:2+events_unbound00:00:346
1472489993735,2cyclictest2121024-21kworker/u16:3+events_unbound00:19:355
1472489993735,2cyclictest2108893-21kworker/u16:1+events_unbound00:33:065
1472489993735,2cyclictest2096029-21kworker/u16:0+events_unbound00:24:345
1472489993735,2cyclictest2026847-21kworker/u16:0+events_unbound23:23:425
1472489993735,2cyclictest2026847-21kworker/u16:0+events_unbound23:23:425
1472489993735,2cyclictest1698673-21kworker/u16:0+events_unbound21:29:305
1472489993735,2cyclictest1688755-21kworker/u16:2+events_unbound21:08:305
1472494993629,6cyclictest650-21systemd-journal21:56:117
1472490993634,2cyclictest2096029-21kworker/u16:0+events_unbound23:53:556
1472490993634,2cyclictest2048661-21kworker/u16:1+events_unbound23:43:036
1472490993634,2cyclictest1899836-21kworker/u16:5+events_unbound23:00:386
1472490993634,2cyclictest1899836-21kworker/u16:5+events_unbound22:40:036
1472490993634,2cyclictest1698673-21kworker/u16:0+events_unbound21:29:586
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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