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2026-01-20 - 14:37
[ 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 Jan 20, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161839911851147,21cyclictest0-21swapper/019:25:170
161849911231114,6cyclictest29915-21ssh21:15:221
161849910961082,11cyclictest0-21swapper/119:25:151
159752575508,52sleep10-21swapper/119:23:221
161152564516,31sleep00-21swapper/019:24:520
1618399219209,7cyclictest0-21swapper/021:15:220
11342980,7sleep11618499cyclictest00:40:011
60782810,9sleep0111rcuc/022:30:250
126622810,4sleep1211ktimersoftd/100:52:211
178682690,3sleep1211ktimersoftd/123:15:391
190232580,8sleep01618399cyclictest20:55:190
103342560,8sleep11618499cyclictest20:30:271
16184994711,5cyclictest40550irq/92-i91522:53:561
1618499458,5cyclictest5891-21ntp_states22:30:231
1618499456,13cyclictest11267-21ssh22:02:511
1618499451,8cyclictest0-21swapper/121:45:221
252012440,8sleep01618399cyclictest23:56:550
1618499441,9cyclictest0-21swapper/122:19:301
1618499441,8cyclictest0-21swapper/122:48:061
61422430,4sleep041ktimersoftd/000:10:280
1618499432,9cyclictest0-21swapper/122:25:251
1618499431,9cyclictest0-21swapper/123:50:111
1618499431,9cyclictest0-21swapper/123:50:101
1618499427,5cyclictest16550-21ssh23:48:251
1618499427,5cyclictest11997-21if_eth021:30:191
1618499425,5cyclictest29735-21ssh22:21:281
1618499425,5cyclictest20995-21ssh21:40:031
1618499425,33cyclictest0-21swapper/100:46:161
1618499423,19cyclictest23191-21sshd23:21:181
1618499423,10cyclictest0-21swapper/121:29:131
1618499421,9cyclictest0-21swapper/122:41:141
290222410,8sleep01618399cyclictest21:47:520
1618499417,6cyclictest7710-21mailstats23:05:281
1618499416,6cyclictest22-21ksoftirqd/123:27:191
1618499416,6cyclictest22-21ksoftirqd/100:19:381
1618499416,5cyclictest27249-21ssh21:12:451
1618499415,5cyclictest5122-21sshd23:03:161
1618499413,10cyclictest0-21swapper/100:42:161
1618499411,8cyclictest0-21swapper/123:31:301
1618499411,8cyclictest0-21swapper/100:09:491
16184994117,6cyclictest22-21ksoftirqd/100:01:321
1618499407,6cyclictest22-21ksoftirqd/100:21:451
1618499406,5cyclictest23574-21memory23:55:241
1618499405,5cyclictest5071-21ssh21:55:571
1618499405,5cyclictest5071-21ssh21:55:571
1618499405,5cyclictest4606-21ssh21:22:421
1618499405,5cyclictest16861-21ssh21:35:191
1618499402,9cyclictest0-21swapper/122:10:521
1618499402,9cyclictest0-21swapper/100:28:141
1618499401,9cyclictest0-21swapper/100:32:521
1618499401,8cyclictest0-21swapper/122:35:401
1618499401,8cyclictest0-21swapper/120:20:121
1618499401,8cyclictest0-21swapper/100:10:091
16184994016,5cyclictest22-21ksoftirqd/123:43:591
16184994011,7cyclictest22-21ksoftirqd/119:55:021
16184994011,6cyclictest22-21ksoftirqd/119:35:181
1618499394,4cyclictest81rcu_preempt22:58:061
1618499391,9cyclictest0-21swapper/122:06:021
1618499391,8cyclictest0-21swapper/121:50:291
16184993911,4cyclictest22-21ksoftirqd/119:54:331
1618499384,7cyclictest4041-21ssh23:35:181
16184993820,4cyclictest22-21ksoftirqd/123:10:061
1618499381,9cyclictest0-21swapper/121:00:121
16184993813,4cyclictest22-21ksoftirqd/120:15:541
16184993811,4cyclictest22-21ksoftirqd/119:31:361
1618399381,15cyclictest12644-21taskset22:37:310
1618499373,9cyclictest0-21swapper/121:09:461
1618499371,8cyclictest0-21swapper/119:44:521
16184993712,4cyclictest22-21ksoftirqd/120:29:191
16184993712,4cyclictest22-21ksoftirqd/120:11:441
16184993712,4cyclictest22-21ksoftirqd/119:49:021
16184993711,4cyclictest22-21ksoftirqd/120:59:041
1618399377,14cyclictest11663-21df_inode21:30:150
1618399372,9cyclictest81rcu_preempt00:50:580
16183993727,7cyclictest0-21swapper/022:29:160
16183993710,13cyclictest17620-21swap20:50:270
16184993614,3cyclictest22-21ksoftirqd/120:41:031
16184993612,13cyclictest22-21ksoftirqd/120:45:041
16184993611,3cyclictest22-21ksoftirqd/120:36:371
16184993610,4cyclictest22-21ksoftirqd/120:51:351
1618399362,30cyclictest0-21swapper/000:22:360
1618399361,22cyclictest0-21swapper/023:31:440
290902351,30sleep029230-21tr00:35:110
16184993526,5cyclictest32306-21diskstats20:05:151
1618499351,8cyclictest211ktimersoftd/120:00:181
1618399352,29cyclictest0-21swapper/022:19:560
1618399352,29cyclictest0-21swapper/000:04:350
1618399351,4cyclictest81rcu_preempt00:18:370
1618399351,19cyclictest25018-21sh21:10:210
64292341,23sleep00-21swapper/021:25:080
206212341,29sleep020714-21sensors_temp22:45:280
1618399344,4cyclictest81rcu_preempt23:46:110
1618399341,29cyclictest17569-21ssh22:42:350
1618399341,16cyclictest28799-21ssh00:35:000
1618399341,12cyclictest0-21swapper/019:54:400
16183993410,6cyclictest0-21swapper/023:07:110
307782330,8sleep00-21swapper/021:50:100
1618399334,4cyclictest81rcu_preempt22:12:400
1618399333,4cyclictest81rcu_preempt21:38:400
16183993325,5cyclictest29629-21fschecks_count22:55:150
1618399332,28cyclictest0-21swapper/022:20:350
1618399332,28cyclictest0-21swapper/021:56:360
1618399332,28cyclictest0-21swapper/021:56:350
1618399331,30cyclictest0-21swapper/019:49:560
1618399331,29cyclictest2403-21irqbalance23:41:160
1618399331,20cyclictest8071-21ssh00:46:280
1618399329,8cyclictest2337-21ssh00:40:220
1618399325,4cyclictest0-21swapper/023:53:260
1618399325,4cyclictest0-21swapper/023:53:260
1618399323,7cyclictest81rcu_preempt23:19:340
1618399323,4cyclictest81rcu_preempt23:28:520
16183993225,5cyclictest0-21swapper/023:11:550
1618399321,5cyclictest0-21swapper/019:40:360
1618399321,28cyclictest0-21swapper/020:20:360
1618399318,19cyclictest9902-21ntp_states20:30:240
1618399312,4cyclictest81rcu_preempt23:38:060
16183993124,4cyclictest3-21ksoftirqd/022:06:370
1618399312,17cyclictest0-21swapper/021:22:220
1618399311,5cyclictest81rcu_preempt20:48:120
1618399311,4cyclictest81rcu_preempt21:01:440
228482301,25sleep022852-21irqstats21:05:200
1618399306,5cyclictest81rcu_preempt23:00:110
1618399304,4cyclictest81rcu_preempt00:25:200
1618399303,13cyclictest7889-21memory20:25:220
16183993022,5cyclictest0-21swapper/020:43:550
1618399302,14cyclictest23876-21ssh21:42:260
1618399302,14cyclictest18922-21aten_r4power_po19:30:100
1618399301,8cyclictest8228-21ssh22:00:120
1618399301,4cyclictest81rcu_preempt23:21:550
1618399301,4cyclictest81rcu_preempt20:39:330
1618399301,4cyclictest81rcu_preempt19:37:450
1618399301,27cyclictest0-21swapper/022:51:160
1618399301,27cyclictest0-21swapper/019:59:560
1618399301,15cyclictest696-21timerwakeupswit20:05:290
1618399299,5cyclictest31156-21swap20:00:280
1618399291,4cyclictest81rcu_preempt20:17:130
1618399291,17cyclictest0-21swapper/000:05:150
1618399271,15cyclictest2796-21users20:10:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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