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2026-01-22 - 00:54
[ 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 Wed Jan 21, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23064211897,16sleep00-21swapper/007:09:030
23064211897,16sleep00-21swapper/007:09:020
23110211293,13sleep20-21swapper/207:09:382
23110211293,13sleep20-21swapper/207:09:372
22891210897,6sleep10-21swapper/107:06:481
22891210897,6sleep10-21swapper/107:06:471
22360210179,15sleep30-21swapper/307:05:223
22360210179,15sleep30-21swapper/307:05:213
268832790,5sleep32317099cyclictest12:26:343
233322730,0sleep00-21swapper/012:23:140
68812690,5sleep02316799cyclictest12:05:140
93302560,1sleep10-21swapper/109:10:501
2316799300,16cyclictest0-21swapper/012:25:100
2316999230,21cyclictest1319-21ssh12:35:132
23169992218,2cyclictest0-21swapper/208:40:112
2316899221,19cyclictest0-21swapper/108:45:101
38542210,0sleep10-21swapper/110:50:391
2316899210,19cyclictest0-21swapper/110:40:111
2316899210,12cyclictest0-21swapper/110:25:011
2316999200,2cyclictest0-21swapper/207:40:132
23168992010,8cyclictest4696-21sh09:41:131
2316799200,2cyclictest0-21swapper/008:15:110
2316799200,18cyclictest0-21swapper/012:00:110
2316799200,18cyclictest0-21swapper/011:50:120
2316899198,2cyclictest0-21swapper/111:02:491
2316899191,3cyclictest0-21swapper/109:35:261
23168991910,7cyclictest14166-21ssh11:37:451
2316899190,17cyclictest0-21swapper/108:15:201
228852190,1sleep1221ktimersoftd/110:00:411
278802180,0sleep00-21swapper/011:17:160
23170991815,2cyclictest4649-21kworker/u8:012:04:043
2316899183,7cyclictest0-21swapper/112:28:561
2316899181,9cyclictest20534-21munin-run10:35:001
2316899181,7cyclictest11041-21grep11:35:001
2316899181,3cyclictest15303-21cat12:15:001
2316899181,3cyclictest0-21swapper/112:15:131
2316899181,15cyclictest0-21swapper/110:15:121
2316899180,3cyclictest0-21swapper/112:20:231
2316899180,16cyclictest0-21swapper/111:55:221
2316899180,11cyclictest0-21swapper/109:45:161
2316899180,11cyclictest0-21swapper/109:31:231
23170991714,2cyclictest31755-21kworker/u8:112:19:043
23170991712,3cyclictest30876-21sh11:55:233
23170991712,3cyclictest11756-21cpuspeed_turbos11:00:133
2316899177,2cyclictest0-21swapper/111:26:371
2316899176,2cyclictest0-21swapper/109:25:011
2316899174,3cyclictest20491-21sh11:45:121
2316899174,11cyclictest7497-21gdm-simple-gree08:02:581
2316899171,6cyclictest7152-21diskmemload11:43:471
2316899171,6cyclictest29781-21munin-node1
2316899171,6cyclictest0-21swapper/109:55:181
2316899171,4cyclictest7893-21diskmemload12:05:241
2316899171,3cyclictest29423-21munin-node1
2316899171,3cyclictest0-21swapper/111:10:151
2316899171,3cyclictest0-21swapper/111:05:271
2316899171,3cyclictest0-21swapper/110:55:161
2316899171,3cyclictest0-21swapper/109:15:151
2316899171,3cyclictest0-21swapper/109:00:001
2316899171,3cyclictest0-21swapper/108:35:121
23168991710,6cyclictest0-21swapper/109:25:531
2316899170,9cyclictest0-21swapper/107:35:181
2316899170,8cyclictest0-21swapper/109:50:111
2316899170,8cyclictest0-21swapper/107:40:251
2316899170,2cyclictest0-21swapper/108:25:161
2316899170,16cyclictest0-21swapper/110:13:431
20742170,0sleep20-21swapper/208:55:172
2317099161,13cyclictest14736-21chrt10:27:533
2316999161,3cyclictest14137-21ssh09:51:252
2316999160,14cyclictest0-21swapper/212:20:052
2316999160,14cyclictest0-21swapper/212:00:112
2316899168,2cyclictest0-21swapper/110:36:191
2316899167,2cyclictest0-21swapper/112:00:521
2316899166,2cyclictest0-21swapper/108:50:161
2316899166,2cyclictest0-21swapper/108:10:121
2316899164,3cyclictest7458-21runrttasks07:17:401
2316899164,3cyclictest27323-21munin-node1
2316899163,4cyclictest6192-21wc07:45:231
2316899161,7cyclictest0-21swapper/111:15:121
2316899161,5cyclictest0-21swapper/107:35:001
2316899161,3cyclictest0-21swapper/110:45:161
2316899161,13cyclictest0-21swapper/111:50:161
2316899160,7cyclictest0-21swapper/110:25:141
2316899160,6cyclictest0-21swapper/108:20:241
2316899160,10cyclictest0-21swapper/111:24:511
23170991512,2cyclictest4649-21kworker/u8:012:05:003
23170991512,2cyclictest23449-21kworker/u8:010:09:053
23170991512,2cyclictest10414-21kworker/u8:212:14:053
23170991511,2cyclictest23086-21ssh09:25:503
2317099150,13cyclictest0-21swapper/311:50:133
2317099150,13cyclictest0-21swapper/311:35:143
2317099150,13cyclictest0-21swapper/310:40:133
2317099150,13cyclictest0-21swapper/310:12:533
2317099150,13cyclictest0-21swapper/309:39:433
2316999151,3cyclictest0-21swapper/208:35:002
23169991510,3cyclictest6961-21iostat12:05:152
23169991510,3cyclictest0-21swapper/212:31:152
23169991510,3cyclictest0-21swapper/210:50:542
2316999150,13cyclictest7152-21diskmemload10:44:452
2316999150,13cyclictest0-21swapper/211:37:162
2316999150,13cyclictest0-21swapper/210:02:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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