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2026-02-10 - 15:15
[ 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 #9, slot #4

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 all highest latencies:
System rack9slot4s (updated Tue Feb 10, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72849912171207,7cyclictest0-21swapper/007:25:100
72859911971144,31cyclictest11787-21latency_hist07:35:011
72859911641145,16cyclictest0-21swapper/107:25:101
69942564519,30sleep00-21swapper/007:22:370
68272561518,29sleep10-21swapper/107:20:511
728499234200,27cyclictest11722-21apt-get07:35:000
143772840,8sleep1728599cyclictest07:40:201
728599783,5cyclictest0-21swapper/110:44:361
728599681,15cyclictest22252-21ssh12:03:511
7285996417,30cyclictest22-21ksoftirqd/108:08:001
728599632,8cyclictest28733-21df_inode10:30:141
728599632,8cyclictest28733-21df_inode10:30:131
7285996213,4cyclictest0-21swapper/112:27:101
728599621,14cyclictest8447-21taskset10:09:311
728599621,13cyclictest22673-21iostat09:50:201
728599621,13cyclictest22673-21iostat09:50:191
728599602,13cyclictest15332-21diskmemload11:52:591
728599597,8cyclictest0-21swapper/111:55:531
7285995910,5cyclictest29067-21wget08:20:111
728599587,11cyclictest15332-21diskmemload12:14:351
7285995816,36cyclictest27255-21iostat_ios11:35:191
7285995810,6cyclictest178872chrt09:11:421
728599572,14cyclictest30312-21diskstats11:05:161
728599572,14cyclictest30312-21diskstats11:05:151
7285995715,37cyclictest2183-21tail10:35:301
728599563,8cyclictest30775-21iostat09:25:171
728599563,14cyclictest31659-21ssh10:00:071
728599561,15cyclictest12239-21grep07:35:141
728599561,14cyclictest18352-21ssh12:33:001
7285995512,4cyclictest0-21swapper/110:52:201
7285995410,3cyclictest0-21swapper/112:22:351
69592540,2sleep06960-21ssh11:47:450
728599537,5cyclictest0-21swapper/112:41:021
728599534,8cyclictest13618-21munin-run10:15:011
728599532,47cyclictest0-21swapper/111:13:531
728599531,15cyclictest26200-21cat08:10:281
728599531,13cyclictest2645-21snmpd12:39:371
7285995311,3cyclictest0-21swapper/111:46:231
728599531,12cyclictest0-21swapper/110:20:261
728599523,13cyclictest0-21swapper/112:48:581
7285995214,5cyclictest28182-21awk10:30:001
7285995213,5cyclictest3302-21runrttasks09:40:181
728599521,16cyclictest26906-21ssh12:08:361
7285995210,5cyclictest10656-21/usr/sbin/munin10:45:111
7285995210,4cyclictest0-21swapper/111:32:321
7285995210,4cyclictest0-21swapper/109:35:061
728599514,9cyclictest2054-21ntp_states12:50:261
728599513,13cyclictest0-21swapper/112:16:331
7285995122,24cyclictest17371-21tune2fs11:25:151
7285995111,8cyclictest2206-21dbus-daemon09:47:471
7285995111,7cyclictest2206-21dbus-daemon11:01:061
728599511,15cyclictest3531-21sh09:30:231
728599511,14cyclictest31268-21ssh09:59:481
728599511,14cyclictest24841-21ssh10:59:581
7285995111,3cyclictest0-21swapper/111:43:471
7285995110,3cyclictest0-21swapper/109:22:311
728599508,3cyclictest0-21swapper/111:21:381
728599507,39cyclictest0-21swapper/110:17:041
728599502,43cyclictest0-21swapper/109:15:031
7285995013,5cyclictest0-21swapper/111:17:501
728599498,4cyclictest40550irq/92-i91508:35:001
728599496,5cyclictest40550irq/92-i91507:45:221
728599496,5cyclictest40550irq/92-i91507:45:221
728599494,13cyclictest0-21swapper/109:00:201
728599492,15cyclictest8447-21/usr/sbin/munin08:50:161
7285994914,5cyclictest3819-21cron08:37:591
728599491,14cyclictest14537-21ps09:05:271
7285994911,4cyclictest0-21swapper/108:45:151
728599482,5cyclictest21487-21/usr/sbin/munin08:00:111
728599482,16cyclictest27602-21perl08:15:151
728599482,13cyclictest19705-21/usr/sbin/munin07:55:141
7285994810,5cyclictest19563-21cat07:55:001
175602480,8sleep00-21swapper/007:50:100
158952480,9sleep0728499cyclictest10:16:170
728599472,9cyclictest32619-21munin-run08:30:011
728599472,15cyclictest4807-21/usr/sbin/munin08:40:211
7285994714,5cyclictest9854-21cut08:55:111
217472420,31sleep00-21swapper/010:22:460
728499419,28cyclictest0-21swapper/010:50:560
728499394,17cyclictest2206-21dbus-daemon10:10:200
728499375,20cyclictest0-21swapper/012:24:340
728499373,31cyclictest0-21swapper/012:36:150
7284993725,9cyclictest0-21swapper/007:39:560
728499371,11cyclictest9459-21iostat_ios11:50:200
728499365,17cyclictest0-21swapper/010:30:130
728499365,17cyclictest0-21swapper/010:30:130
728499364,28cyclictest0-21swapper/012:06:560
728499363,6cyclictest24735-21ssh09:19:380
728499363,31cyclictest0-21swapper/010:07:360
728499363,30cyclictest0-21swapper/008:56:150
728499362,21cyclictest28143-21ssh11:35:380
728499361,31cyclictest25545-21cut11:00:160
728499361,22cyclictest7717-21expr09:35:130
728499352,29cyclictest0-21swapper/011:29:350
728499352,29cyclictest0-21swapper/009:45:360
728499351,12cyclictest26209-21sed12:40:300
728499344,4cyclictest81rcu_preempt10:00:300
728499344,4cyclictest81rcu_preempt09:52:280
728499344,4cyclictest81rcu_preempt09:52:280
7284993427,4cyclictest0-21swapper/012:19:360
7284993425,5cyclictest0-21swapper/011:34:550
728499342,28cyclictest0-21swapper/009:28:150
728499342,14cyclictest30675-21iostat_ios11:05:210
728499342,14cyclictest30675-21iostat_ios11:05:200
209742340,4sleep0111rcuc/010:55:200
728499336,11cyclictest0-21swapper/008:02:120
728499335,4cyclictest81rcu_preempt12:26:340
728499333,28cyclictest0-21swapper/012:13:350
728499333,15cyclictest2897-21irqstats08:35:210
7284993326,4cyclictest0-21swapper/011:10:550
7284993313,6cyclictest8251-21diskstats08:50:140
728499331,30cyclictest0-21swapper/008:21:160
7284993312,7cyclictest3302-21runrttasks08:28:110
728499331,19cyclictest17434-21latency_hist07:50:020
728499331,19cyclictest17434-21latency_hist07:50:010
728499331,11cyclictest0-21swapper/009:55:020
247822331,4sleep024784-21sh08:07:010
132432331,4sleep013290-21ntp_states09:40:240
728499324,4cyclictest81rcu_preempt11:58:340
728499323,4cyclictest81rcu_preempt12:47:400
728499323,4cyclictest81rcu_preempt12:04:270
7284993225,4cyclictest31465-21/usr/sbin/munin11:40:150
728499321,29cyclictest0-21swapper/010:27:350
728499321,29cyclictest0-21swapper/009:09:360
728499321,28cyclictest11563-21ssh11:19:350
7284993211,6cyclictest17834-21ssh12:32:160
728499321,12cyclictest2833-21tr09:30:120
11562321,28sleep01325-21cut10:35:170
728499315,11cyclictest0-21swapper/008:10:160
728499312,13cyclictest12428-21df11:20:140
728499311,28cyclictest0-21swapper/008:33:160
728499311,27cyclictest27964-21ssh09:22:150
728499305,4cyclictest81rcu_preempt10:40:250
728499301,4cyclictest81rcu_preempt10:45:480
7284993013,5cyclictest6903-21ntp_states08:45:230
728499301,15cyclictest1782-21/usr/sbin/munin12:50:210
728499293,13cyclictest12567-21ntp_states09:00:270
728499292,13cyclictest4296-21aten_r4power_vo08:40:120
7284992910,6cyclictest14382-21irqstats07:40:210
7284992910,5cyclictest2329-21NetworkManager09:10:180
7284992820,6cyclictest0-21swapper/007:58:570
7284992810,15cyclictest27657-21if_err_eth008:15:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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