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2026-02-12 - 02:23
[ 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 #5, slot #3

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 50 highest latencies:
System rack5slot3s.osadl.org (updated Wed Feb 11, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232932235161,24sleep00-21swapper/007:07:270
232932235161,24sleep00-21swapper/007:07:270
232732235163,23sleep20-21swapper/207:07:122
232732235163,23sleep20-21swapper/207:07:122
215322207169,26sleep30-21swapper/307:05:073
215322207169,26sleep30-21swapper/307:05:073
234662205168,24sleep10-21swapper/107:09:411
234662205168,24sleep10-21swapper/107:09:401
23589999992,4cyclictest4091-21sort08:50:163
23589999896,1cyclictest0-21swapper/310:40:013
23589999896,1cyclictest0-21swapper/310:40:013
266132580,2sleep00-21swapper/007:15:040
60932510,4sleep011-21rcuc/007:40:170
173372430,1sleep30-21swapper/310:35:013
104002430,1sleep00-21swapper/011:30:200
295892420,4sleep230-21rcuc/211:00:212
2358999321,14cyclictest11895-21df_inode11:35:143
2358999321,11cyclictest19688-21/usr/sbin/munin09:25:173
2358999311,4cyclictest0-21swapper/307:20:203
2358999300,16cyclictest0-21swapper/307:17:543
2356999302,13cyclictest29258-21munin-run08:35:010
326252290,2sleep339-21rcuc/307:25:273
2357799290,27cyclictest0-21swapper/109:15:191
23569992911,15cyclictest31453-21munin-run08:40:010
2358999281,13cyclictest0-21swapper/312:14:373
2358999281,12cyclictest0-21swapper/310:00:373
2358999281,11cyclictest7492-21df11:25:123
2357799284,14cyclictest31306-21sshd08:38:201
23577992824,3cyclictest0-21swapper/112:35:201
318132270,4sleep031817-21cpuspeed_turbos08:40:120
261862270,8sleep339-21rcuc/309:40:163
2358999271,13cyclictest0-21swapper/309:31:463
2358999271,12cyclictest0-21swapper/307:57:493
2357799279,4cyclictest31224-21tr07:25:131
2357799272,11cyclictest25758-21perf07:15:011
2356999273,11cyclictest12920-21awk10:25:010
2358999261,13cyclictest0-21swapper/312:34:213
2358999261,13cyclictest0-21swapper/311:59:493
2358999261,13cyclictest0-21swapper/307:12:593
2358999261,12cyclictest0-21swapper/310:58:133
2358999260,13cyclictest0-21swapper/307:36:023
2358999260,12cyclictest0-21swapper/307:44:173
2358999260,10cyclictest0-21swapper/312:05:123
2358399261,15cyclictest0-21swapper/211:22:392
23577992622,3cyclictest0-21swapper/111:39:441
23577992622,3cyclictest0-21swapper/109:28:121
2357799261,16cyclictest16385-21fschecks_count11:45:141
2356999267,3cyclictest21036-21kworker/0:008:20:020
2356999267,3cyclictest21036-21kworker/0:008:20:010
23589992513,8cyclictest0-21swapper/310:28:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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