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2026-01-13 - 20:01
[ 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 #3, slot #6

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6s.osadl.org (updated Tue Jan 13, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1475521430,1sleep014754-21hwlatdetect09:45:140
576211797,15sleep30-21swapper/307:07:313
31233211696,12sleep10-21swapper/107:05:011
451211589,21sleep00-21swapper/007:05:520
31452211395,12sleep20-21swapper/207:05:102
64382830,0sleep00-21swapper/007:20:250
42792760,0sleep20-21swapper/210:10:122
241352750,0sleep30-21swapper/310:31:433
90712720,0sleep00-21swapper/009:39:320
126352550,1sleep10-21swapper/109:42:591
813993717,19cyclictest0-21swapper/310:20:103
39052250,0sleep10-21swapper/111:59:111
813992114,2cyclictest0-21swapper/311:39:043
811992117,2cyclictest0-21swapper/109:00:111
81199210,19cyclictest0-21swapper/112:10:101
80799210,16cyclictest0-21swapper/008:40:050
81199200,18cyclictest0-21swapper/110:15:121
80799200,18cyclictest0-21swapper/009:10:130
80799200,18cyclictest0-21swapper/007:15:100
813991916,2cyclictest31372-21kworker/u8:010:05:043
813991916,2cyclictest24820-21kworker/u8:010:37:043
813991815,2cyclictest2684-21kworker/u8:112:03:043
813991815,2cyclictest21666-21kworker/u8:012:20:053
813991815,2cyclictest13701-21kworker/u8:210:42:053
813991815,2cyclictest12110-21kworker/u8:011:07:053
81199182,14cyclictest0-21swapper/110:20:101
193292180,0sleep10-21swapper/111:40:031
813991714,2cyclictest6014-21kworker/u8:210:57:053
813991714,2cyclictest25376-21kworker/u8:209:21:053
813991714,2cyclictest12110-21kworker/u8:011:01:053
81399170,2cyclictest0-21swapper/309:39:053
81399170,15cyclictest0-21swapper/307:10:113
812991714,2cyclictest12110-21kworker/u8:011:06:052
81299171,2cyclictest806-21cyclictest11:56:052
81299170,2cyclictest0-21swapper/209:39:052
813991613,2cyclictest31372-21kworker/u8:010:10:053
813991613,2cyclictest2684-21kworker/u8:112:06:053
813991613,2cyclictest25376-21kworker/u8:209:26:053
813991613,2cyclictest25376-21kworker/u8:209:26:053
813991613,2cyclictest21666-21kworker/u8:012:29:043
813991613,2cyclictest18419-21kworker/u8:109:53:053
813991613,2cyclictest17485-21kworker/u8:011:40:053
813991613,2cyclictest13258-21kworker/u8:009:47:043
813991613,2cyclictest12844-21kworker/u8:107:57:053
813991613,2cyclictest1241-21kworker/u8:110:45:053
813991613,2cyclictest12152-21kworker/u8:109:15:043
813991613,2cyclictest1181-21kworker/u8:007:27:053
81399160,11cyclictest0-21swapper/310:15:053
81299161,3cyclictest8226-21ssh11:26:202
812991613,2cyclictest15662-21kworker/u8:009:32:052
812991613,2cyclictest15662-21kworker/u8:009:32:052
81399151,2cyclictest8751-21iostat08:50:153
813991512,2cyclictest3922-21kworker/u8:108:41:053
813991512,2cyclictest17485-21kworker/u8:012:10:053
813991512,2cyclictest17485-21kworker/u8:011:52:053
813991512,2cyclictest13258-21kworker/u8:009:57:043
813991512,2cyclictest12151-21kworker/u8:212:17:043
813991512,2cyclictest1181-21kworker/u8:007:21:053
813991511,2cyclictest472-21apt-get09:30:113
813991511,2cyclictest472-21apt-get09:30:113
813991511,2cyclictest25850-21kworker/u8:210:00:053
813991510,3cyclictest15127-21apt-get07:44:203
812991512,2cyclictest8177-21kworker/u8:209:41:052
812991512,2cyclictest3922-21kworker/u8:108:49:052
812991512,2cyclictest24180-21kworker/u8:311:13:052
812991512,2cyclictest23090-21kworker/u8:111:49:052
812991512,2cyclictest19121-21kworker/u8:008:12:052
812991512,2cyclictest18419-21kworker/u8:109:51:052
812991512,2cyclictest15662-21kworker/u8:009:17:042
812991512,2cyclictest1181-21kworker/u8:007:30:052
81299150,2cyclictest0-21swapper/210:03:052
81199150,3cyclictest0-21swapper/112:08:411
81199150,2cyclictest0-21swapper/111:10:131
81199150,13cyclictest15921-21diskmemload10:09:231
81199150,13cyclictest0-21swapper/108:25:001
80799150,13cyclictest0-21swapper/009:40:170
81399149,3cyclictest1142-21ssh12:31:353
813991411,2cyclictest6014-21kworker/u8:210:50:053
813991411,2cyclictest5432-21kworker/u8:212:38:053
813991411,2cyclictest3922-21kworker/u8:108:46:053
813991411,2cyclictest18483-21kworker/u8:207:18:053
813991411,2cyclictest1622-21kworker/u8:211:26:053
813991411,2cyclictest12110-21kworker/u8:011:23:053
813991410,2cyclictest0-21swapper/311:15:523
81399140,3cyclictest890-21sendmail_mailtr08:30:243
81399140,2cyclictest0-21swapper/309:10:193
81399140,12cyclictest15561-21apt-get07:45:113
81399140,12cyclictest0-21swapper/308:55:093
81399140,10cyclictest0-21swapper/311:47:053
812991411,2cyclictest27142-21kworker/u8:112:26:052
812991411,2cyclictest2684-21kworker/u8:112:07:042
812991411,2cyclictest2684-21kworker/u8:112:04:052
812991411,2cyclictest21666-21kworker/u8:012:21:052
812991411,2cyclictest17485-21kworker/u8:011:54:042
812991411,2cyclictest1622-21kworker/u8:211:41:052
812991411,2cyclictest15662-21kworker/u8:009:07:042
812991411,2cyclictest1241-21kworker/u8:110:43:052
812991411,2cyclictest1181-21kworker/u8:007:22:052
81299140,2cyclictest0-21swapper/210:09:052
81299140,12cyclictest15921-21diskmemload10:38:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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