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2026-02-15 - 13:43
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, slot #7

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 100 highest latencies:
System rack2slot7s.osadl.org (updated Sun Feb 15, 2026 07:55:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2818875996741,4cyclictest3079247-21wc05:41:292
2818875996637,6cyclictest3131920-21needreboot05:55:142
2818875996336,5cyclictest3633887-21sh06:10:182
281887399623,31cyclictest3054134-21grep05:40:180
2818874996051,6cyclictest3635592-21sort06:10:221
2818873995732,5cyclictest3662183-21sh06:11:450
2818874995445,5cyclictest3579343-21sh06:08:081
2818874995145,3cyclictest0-21swapper/105:50:201
2818874995145,3cyclictest0-21swapper/105:40:201
2818875994942,4cyclictest0-21swapper/205:50:212
2818873994923,19cyclictest3129898-21execl05:50:270
2818875994738,5cyclictest3548907-21wc06:06:552
2818873994522,18cyclictest3600811-21sh06:08:590
2818874994334,6cyclictest3694627-21systemd-run06:20:011
281887499431,36cyclictest2823104-21execl05:20:171
2818874994233,5cyclictest3699101-21cron06:35:011
2818875994132,5cyclictest3129489-21execl05:50:012
2818874994133,5cyclictest3129499-21munin-plugin-st05:50:011
2818875993932,4cyclictest3353450-21spawn06:03:412
2818875993931,4cyclictest0-21swapper/205:20:192
2818873993933,4cyclictest2823403-21/usr/sbin/munin05:20:240
281887499382,30cyclictest2824001-21fstime05:25:191
2818873993830,5cyclictest3224414-21spawn06:03:100
2818873993825,11cyclictest3129303-21Run05:46:080
2818874993728,6cyclictest2820692-21systemd-run05:15:011
281887499371,31cyclictest3133541-21pipe06:00:161
2818873993731,4cyclictest3700623-21sendmail06:40:020
2818873993731,4cyclictest3700623-21sendmail06:40:020
281887399372,31cyclictest3017057-21syscall05:35:210
2818875993628,5cyclictest2825512-21munin-plugin-st05:30:002
2818875993628,4cyclictest2821772-21mailstats05:15:232
2818874993625,8cyclictest3050369-21tee05:40:011
2818875993530,2cyclictest0-21swapper/205:15:012
2818875993527,5cyclictest3026693-21sh05:38:002
2818874993426,5cyclictest3132659-21sh05:57:391
2818874993422,9cyclictest1167-21mta-sts-daemon06:35:171
2818874993422,9cyclictest1167-21mta-sts-daemon06:35:171
2818875993325,5cyclictest3699104-21idleruntime-cro06:35:012
2818873993327,4cyclictest1168-21mta-sts-daemon06:25:240
2818873993227,2cyclictest0-21swapper/005:57:030
2818875993124,4cyclictest2819228-21aten_r2power_en05:10:032
2818875993123,5cyclictest2699537-21cups-browsed06:25:192
2818874993125,3cyclictest2820677-21kworker/u8:5-xprtiod06:25:141
2818874993124,3cyclictest0-21swapper/105:34:061
2818874993122,6cyclictest2822125-21unixbench_singl05:15:281
2818874993023,4cyclictest3696114-21dpkg06:25:001
2818873993023,5cyclictest2699537-21cups-browsed06:19:590
2818873993023,4cyclictest3696098-21cron06:25:000
2818873992923,4cyclictest2824458-21fschecks_count05:25:110
2818873992922,5cyclictest2699537-21cups-browsed05:33:250
2818875992822,3cyclictest0-21swapper/205:05:022
2818875992820,5cyclictest3699337-21acpi06:35:062
2818875992820,5cyclictest3699337-21acpi06:35:062
2818873992719,6cyclictest812-21cron05:15:010
2818875992621,2cyclictest0-21swapper/206:15:072
2818873992620,4cyclictest3698986-21unixbench_multi06:30:270
2818873992618,6cyclictest0-21swapper/005:10:020
2818875992521,2cyclictest0-21swapper/206:25:002
2818875992519,3cyclictest1165-21mta-sts-daemon05:31:132
2818873992519,4cyclictest0-21swapper/005:20:010
2818874992314,6cyclictest1-21systemd05:10:021
281887699222,12cyclictest0-21swapper/306:10:293
281887699222,10cyclictest0-21swapper/305:55:193
281887699204,10cyclictest0-21swapper/305:50:173
281887699203,8cyclictest0-21swapper/305:45:203
281887699201,9cyclictest0-21swapper/305:25:223
281887699193,10cyclictest0-21swapper/305:20:233
281887699191,7cyclictest0-21swapper/305:30:153
281887399191,16cyclictest2818885-21munin-run05:05:020
281887699173,8cyclictest0-21swapper/306:00:093
281887699172,9cyclictest0-21swapper/305:40:163
281887499171,12cyclictest2818828-21munin-run05:05:011
281887699163,7cyclictest0-21swapper/306:25:003
281887699161,9cyclictest0-21swapper/305:15:013
281887699154,5cyclictest0-21swapper/306:30:173
281887699152,8cyclictest0-21swapper/306:05:053
281887699141,8cyclictest0-21swapper/306:15:103
281887699141,7cyclictest0-21swapper/306:25:233
281887699132,6cyclictest0-21swapper/305:37:253
281887699131,7cyclictest0-21swapper/306:35:173
281887699131,7cyclictest0-21swapper/306:35:173
281887699131,7cyclictest0-21swapper/305:15:153
281887699121,6cyclictest0-21swapper/305:10:033
28188769991,5cyclictest0-21swapper/305:05:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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