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2026-02-23 - 06:26
[ 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 the highest latencies:
System rack9slot4s (updated Mon Feb 23, 2026 00:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311489912141205,6cyclictest0-21swapper/119:26:461
311479910941061,18cyclictest0-21swapper/019:26:410
307142512417,32sleep10-21swapper/119:21:021
310452466421,31sleep00-21swapper/019:24:300
71792840,5sleep17177-21df_inode21:10:131
225992780,3sleep00-21swapper/000:46:110
199622700,4sleep00-21swapper/023:03:300
199622700,4sleep00-21swapper/023:03:290
257432690,4sleep10-21swapper/100:15:301
17372620,3sleep1211ktimersoftd/123:18:041
84992510,3sleep0111rcuc/021:10:440
205562510,30sleep020553-21needreboot22:30:230
31148993813,6cyclictest205542uname22:30:231
3114799385,3cyclictest0-21swapper/000:06:360
31147993826,7cyclictest12876-21cron23:30:000
31147993729,5cyclictest0-21swapper/021:51:150
3114799371,13cyclictest3196-21tr23:20:000
3114899365,4cyclictest81rcu_preempt23:30:161
3114799365,19cyclictest0-21swapper/021:21:540
3114799362,30cyclictest0-21swapper/023:55:160
3114799362,30cyclictest0-21swapper/021:34:360
14742361,4sleep11486-21/usr/sbin/munin20:55:181
3114899356,5cyclictest81rcu_preempt23:35:131
3114899354,5cyclictest81rcu_preempt23:25:131
3114899354,4cyclictest81rcu_preempt22:00:351
3114899351,19cyclictest7706-21iostat19:45:191
3114799352,5cyclictest81rcu_preempt00:11:120
184722351,30sleep030496-21packagekitd22:28:380
161312351,3sleep116152-21ssh00:05:311
114282351,30sleep011442-21sh21:47:450
114282351,30sleep011442-21sh21:47:440
3114899344,4cyclictest81rcu_preempt23:14:361
3114899344,4cyclictest81rcu_preempt21:49:141
3114899344,4cyclictest81rcu_preempt21:49:131
3114899343,4cyclictest81rcu_preempt22:13:541
3114899341,7cyclictest11819-21wget21:15:111
3114899341,5cyclictest6524-21ssh23:55:361
3114899341,5cyclictest2476-21ssh21:38:551
3114899341,4cyclictest81rcu_preempt20:05:211
3114899341,29cyclictest2403-21irqbalance23:00:561
3114899341,29cyclictest2403-21irqbalance23:00:551
3114799348,11cyclictest3-21ksoftirqd/023:09:360
31147993426,4cyclictest12038-21tune2fs22:55:160
31147993425,5cyclictest5129-21ssh23:20:470
31147993425,5cyclictest2309-21cron21:40:010
3114799341,7cyclictest16208-21ssh23:32:500
3114799341,28cyclictest2309-21cron21:20:000
32952331,28sleep13307-21ssh00:25:451
3114899335,4cyclictest81rcu_preempt20:15:121
3114899334,4cyclictest81rcu_preempt00:33:491
3114899334,11cyclictest81rcu_preempt23:45:421
3114899333,4cyclictest81rcu_preempt23:41:501
3114899333,4cyclictest81rcu_preempt22:51:481
3114899333,4cyclictest81rcu_preempt21:51:011
3114899332,4cyclictest81rcu_preempt22:57:361
3114899332,4cyclictest0-21swapper/121:30:561
3114899332,28cyclictest0-21swapper/123:07:351
3114899331,4cyclictest81rcu_preempt23:24:231
3114899331,4cyclictest81rcu_preempt00:41:411
3114899331,4cyclictest81rcu_preempt00:24:241
3114899331,29cyclictest0-21swapper/122:26:161
3114799335,5cyclictest81rcu_preempt21:40:060
3114799334,4cyclictest81rcu_preempt22:05:260
3114799332,6cyclictest0-21swapper/022:39:190
3114799331,6cyclictest0-21swapper/019:46:550
3114799331,4cyclictest81rcu_preempt21:55:160
3114799331,30cyclictest0-21swapper/023:10:350
3114799331,30cyclictest0-21swapper/019:56:350
3114799331,28cyclictest2309-21cron22:50:010
3114799331,21cyclictest27548-21chrt20:39:150
250332331,28sleep06604-21diskmemload23:41:360
141482331,28sleep12206-21dbus-daemon20:01:391
126082331,5sleep00-21swapper/022:22:090
3114899326,4cyclictest81rcu_preempt19:44:071
3114899326,4cyclictest81rcu_preempt19:44:061
3114899323,4cyclictest81rcu_preempt21:40:201
3114899322,4cyclictest81rcu_preempt22:20:241
31148993224,5cyclictest8991-21/usr/sbin/munin19:50:151
3114899322,27cyclictest0-21swapper/121:27:361
3114899321,5cyclictest0-21swapper/122:16:151
3114899321,3cyclictest81rcu_preempt20:44:551
3114899321,29cyclictest0-21swapper/121:06:561
3114899321,18cyclictest5022-21ssh22:47:561
3114799326,13cyclictest15401-21netstat20:05:230
3114799324,4cyclictest81rcu_preempt22:50:400
3114799322,5cyclictest0-21swapper/021:06:160
31147993224,6cyclictest0-21swapper/020:12:560
31147993224,5cyclictest2309-21cron20:05:000
3114799322,15cyclictest18674-21df_inode20:15:140
3114799321,28cyclictest0-21swapper/022:19:180
31147993212,6cyclictest26310-21ssh00:50:300
3114799321,19cyclictest0-21swapper/022:43:580
31147993210,18cyclictest80432chrt00:30:360
7212311,3sleep0728-21irqstats23:50:210
39562311,4sleep03967-21sh22:13:400
3114899316,4cyclictest81rcu_preempt19:33:451
3114899315,4cyclictest81rcu_preempt21:01:341
3114899314,4cyclictest81rcu_preempt21:23:141
3114899313,4cyclictest81rcu_preempt00:47:361
3114899313,3cyclictest81rcu_preempt22:37:381
3114899312,4cyclictest81rcu_preempt22:07:401
3114899311,28cyclictest0-21swapper/120:12:061
3114899311,27cyclictest111-21usb-storage22:43:061
3114899310,4cyclictest81rcu_preempt00:50:091
3114799313,4cyclictest81rcu_preempt23:35:340
3114799313,4cyclictest81rcu_preempt21:26:390
3114799312,4cyclictest81rcu_preempt00:27:190
31147993123,6cyclictest0-21swapper/020:33:560
3114799311,5cyclictest0-21swapper/019:41:160
3114799311,5cyclictest0-21swapper/019:41:150
3114799311,4cyclictest81rcu_preempt20:21:450
3114799311,4cyclictest81rcu_preempt00:24:440
3114799311,4cyclictest0-21swapper/019:34:150
31147993114,5cyclictest3-21ksoftirqd/000:41:470
89782301,5sleep00-21swapper/019:50:040
3114899307,10cyclictest19506-21/usr/sbin/munin00:10:101
3114899304,3cyclictest81rcu_preempt23:50:231
3114899303,3cyclictest81rcu_preempt21:57:031
31148993015,8cyclictest10544-21iostat_ios00:00:201
3114899301,4cyclictest81rcu_preempt20:29:301
3114899301,4cyclictest81rcu_preempt20:29:291
3114899300,4cyclictest81rcu_preempt00:36:561
3114799301,27cyclictest0-21swapper/000:01:210
3114799301,26cyclictest0-21swapper/023:49:190
3114799301,24cyclictest23666-21ssh22:00:220
3114799301,20cyclictest0-21swapper/019:35:180
3114799301,13cyclictest31434-21sort20:50:000
236122301,5sleep00-21swapper/020:27:200
236122301,5sleep00-21swapper/020:27:200
10792301,3sleep01216-21cstates20:55:140
6912291,5sleep10-21swapper/120:53:431
3114899294,4cyclictest81rcu_preempt20:23:091
3114799292,4cyclictest81rcu_preempt00:15:580
31147992922,5cyclictest0-21swapper/020:42:160
3114799291,14cyclictest15245-21ssh00:39:010
312012281,5sleep10-21swapper/120:47:591
3114799281,15cyclictest0-21swapper/021:00:240
255432281,5sleep10-21swapper/120:32:561
48072271,5sleep10-21swapper/119:37:271
4092271,5sleep00-21swapper/020:50:480
3114899279,14cyclictest11464-21iostat_ios19:55:201
3114899242,9cyclictest26501-21iostat20:35:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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