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2026-02-11 - 16:59
[ 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 Wed Feb 11, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131089912791242,32cyclictest14080-21ntp_states07:25:250
131099912191163,41cyclictest13680-21grep07:25:171
130232607560,32sleep10-21swapper/107:24:441
128732589484,89sleep00-21swapper/007:23:090
2980421090,7sleep01310899cyclictest12:05:160
1628621040,7sleep01310899cyclictest08:55:210
127292970,4sleep00-21swapper/008:45:240
74082940,8sleep11310999cyclictest11:41:451
65392880,3sleep1201rcuc/110:35:001
38282840,8sleep01310899cyclictest12:11:190
85432780,4sleep0111rcuc/012:50:270
1310999581,19cyclictest22269-21ntp_states10:50:241
22132550,7sleep00-21swapper/012:43:590
1310999555,15cyclictest26012-21/usr/sbin/munin12:35:281
1310999544,16cyclictest9851-21sh10:05:001
1310999543,16cyclictest2257-21ssh12:44:031
1310999533,15cyclictest3302-21runrttasks11:20:231
1310999532,17cyclictest18432-21runrttasks10:46:141
1310999531,17cyclictest2932-21taskset11:04:361
280052520,7sleep00-21swapper/011:30:120
1310999525,15cyclictest8998-21hddtemp_smartct09:30:141
1310999524,16cyclictest14870-21taskset11:15:521
1310999524,15cyclictest27416-21sh10:22:321
1310999524,15cyclictest13970-21sh10:09:051
1310999524,14cyclictest10191-21chrt11:11:041
1310999523,15cyclictest20359-21ssh09:41:321
1310999523,15cyclictest14002-21iostat_ios09:35:201
1310999522,18cyclictest12566-21ssh11:47:141
1310999522,16cyclictest24783-21ssh09:45:561
1310999521,15cyclictest624-21fschecks_count09:55:141
1310999521,15cyclictest21182-21diskmemload10:15:251
1310999516,14cyclictest27707-21/usr/sbin/munin11:30:151
1310999514,16cyclictest28406-21smartctl09:50:171
1310999513,15cyclictest30090-21ssh10:59:061
1310999513,15cyclictest18209-21chrt11:53:241
1310999513,15cyclictest15682-21ssh10:44:141
1310999512,16cyclictest4060-21ssh12:11:411
1310999512,16cyclictest25105-21sh09:13:411
1310999512,16cyclictest23451-21sh12:31:401
1310999512,15cyclictest9733-21ssh12:17:531
1310999512,15cyclictest9733-21ssh12:17:531
1310999512,15cyclictest2645-21snmpd08:48:451
1310999512,15cyclictest15632-21munin-node07:30:061
1310999512,13cyclictest21182-21diskmemload11:55:421
1310999511,15cyclictest17013-21iostat12:25:191
1310999503,17cyclictest30168-21sh09:19:011
1310999502,16cyclictest26291-21taskset11:28:191
1310999502,15cyclictest5720-21rm12:47:371
1310999502,15cyclictest3728-21taskset11:05:121
1310999502,15cyclictest14807-21sh10:10:061
1310999502,15cyclictest14375-21ssh12:22:341
1310999501,15cyclictest20537-21grep07:40:221
1310999500,15cyclictest1426-21chrt10:29:521
1310999494,15cyclictest1410-21sh09:22:201
1310999491,16cyclictest25440-21ssh12:00:271
1310999491,16cyclictest19172-21chrt09:03:471
1310999491,15cyclictest1684-21chrt11:35:401
1310999490,15cyclictest7405-21grep08:30:291
1310999490,15cyclictest18183-21fschecks_time07:35:151
1310999484,14cyclictest7567-21memory10:35:231
1310999483,19cyclictest31652-21cat08:10:181
1310999482,14cyclictest32254-21ssh12:07:391
1310999482,11cyclictest4935-21idleruntime08:25:161
1310999481,14cyclictest5742-21sh09:26:261
1310999472,16cyclictest8875-21ssh12:50:541
1310999471,14cyclictest28933-21chrt08:03:461
307132460,2sleep030714-21latency_hist12:40:010
166272461,41sleep016634-21ssh11:18:240
1310999463,15cyclictest1068-21cat08:15:181
1310999451,11cyclictest9418-21users08:35:321
1310999441,15cyclictest30641-21runrttasks08:07:001
1310999432,14cyclictest3889-21runrttasks08:21:201
174402420,3sleep00-21swapper/010:12:070
256232411,5sleep025634-21ssh09:47:100
1310999406,15cyclictest25448-21munin-node07:55:101
1310999404,9cyclictest40550irq/92-i91507:50:221
1310999401,8cyclictest0-21swapper/109:08:011
1310999401,8cyclictest0-21swapper/109:08:001
1310999392,8cyclictest0-21swapper/107:49:091
1310999391,8cyclictest0-21swapper/108:56:431
200142380,8sleep01310899cyclictest11:21:150
1310999384,11cyclictest15170-21runrttasks08:51:241
1310899382,4cyclictest81rcu_preempt09:35:220
13108993824,5cyclictest3-21ksoftirqd/010:58:330
220642371,4sleep021187-21/usr/sbin/munin12:30:240
1310999373,15cyclictest10224-21cat08:40:121
1310899379,14cyclictest17578-21/usr/sbin/munin09:00:260
1310899376,27cyclictest0-21swapper/010:35:160
1310899375,5cyclictest81rcu_preempt09:30:140
1310899363,29cyclictest0-21swapper/011:43:560
1310899362,30cyclictest0-21swapper/009:57:150
1310899361,31cyclictest3450-21df12:45:140
1310899361,31cyclictest0-21swapper/012:16:360
1310899361,31cyclictest0-21swapper/012:16:350
1310899361,14cyclictest0-21swapper/011:12:340
317092350,7sleep00-21swapper/009:20:180
145542351,30sleep014566-21ssh12:22:500
1310899359,14cyclictest0-21swapper/011:27:020
1310899357,5cyclictest81rcu_preempt10:08:360
1310899354,4cyclictest81rcu_preempt11:50:130
240512341,3sleep024066-21smartctl07:50:160
223252341,4sleep022383-21memory07:45:190
1310899344,4cyclictest81rcu_preempt10:45:190
13108993424,6cyclictest27363-21ssh09:15:270
1310899342,29cyclictest0-21swapper/012:25:550
1310899341,5cyclictest2403-21irqbalance10:23:150
1310899341,5cyclictest0-21swapper/008:35:550
58722331,28sleep05882-21iostat_ios10:00:200
1310899334,5cyclictest81rcu_preempt10:15:200
1310899333,7cyclictest81rcu_preempt09:42:110
1310899333,4cyclictest81rcu_preempt09:28:110
1310899332,4cyclictest81rcu_preempt08:20:110
13108993323,6cyclictest23215-21ssh11:58:390
1310899332,28cyclictest0-21swapper/011:07:150
1310899331,29cyclictest0-21swapper/010:41:560
22342321,4sleep030497-21gdbus08:19:560
1310899323,4cyclictest81rcu_preempt07:35:110
1310899323,17cyclictest0-21swapper/007:40:210
1310899321,29cyclictest0-21swapper/011:37:560
1310899321,19cyclictest31680-21irqstats11:00:200
251352310,8sleep01310899cyclictest12:00:200
13108993123,6cyclictest0-21swapper/010:53:150
13108993123,5cyclictest32727-21runrttasks10:28:120
1310899312,14cyclictest6880-21irqstats08:30:210
1310899311,4cyclictest81rcu_preempt09:10:310
1310899311,4cyclictest81rcu_preempt07:56:440
1310899311,28cyclictest0-21swapper/008:03:160
1310899311,18cyclictest81rcu_preempt10:30:230
1310899311,18cyclictest2329-21NetworkManager07:33:310
1310899304,19cyclictest20289-21ntp_states09:05:260
1310899304,19cyclictest20289-21ntp_states09:05:250
13108993017,10cyclictest3-21ksoftirqd/011:45:530
1310899301,4cyclictest81rcu_preempt08:09:380
325502291,5sleep00-21swapper/008:12:200
1310899294,17cyclictest5231-21ntp_states08:25:230
1310899291,4cyclictest81rcu_preempt09:50:510
1310899291,4cyclictest81rcu_preempt08:40:120
155132281,5sleep00-21swapper/008:54:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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