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2026-01-27 - 08:30
[ 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 Tue Jan 27, 2026 00:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
82439912261207,15cyclictest211ktimersoftd/119:25:121
82439911151078,33cyclictest20898-21latency_hist21:15:011
78482688644,29sleep10-21swapper/119:21:261
80452591546,30sleep00-21swapper/019:23:290
824299202183,14cyclictest0-21swapper/021:15:010
824299122112,7cyclictest0-21swapper/019:25:130
269702970,4sleep00-21swapper/020:10:550
187132870,6sleep018708-21switchtime23:25:290
315802830,7sleep0824299cyclictest00:12:310
326862800,7sleep0824299cyclictest22:33:550
50702780,4sleep1201rcuc/123:45:171
824299741,5cyclictest2918-21ssh21:29:470
8242997410,29cyclictest280112chrt21:21:160
824299711,6cyclictest8274-21seq20:47:400
824299702,4cyclictest0-21swapper/021:47:500
824299692,5cyclictest0-21swapper/023:48:060
824299692,4cyclictest0-21swapper/022:07:440
824299682,4cyclictest0-21swapper/000:06:010
824299681,44cyclictest20485-21ssh00:35:020
66732680,4sleep16675-21/usr/sbin/munin22:40:141
824299659,43cyclictest0-21swapper/022:00:180
824299651,5cyclictest12619-21sh23:53:060
824299651,42cyclictest28162-21ssh00:42:210
824299651,42cyclictest16030-21diskmemload23:33:220
824299638,35cyclictest24677-21uname20:05:220
824299636,40cyclictest0-21swapper/022:54:400
824299632,39cyclictest0-21swapper/000:48:390
824299631,41cyclictest14278-21latency_hist21:05:010
72852630,7sleep1824399cyclictest21:34:061
824299626,37cyclictest24816-1kworker/0:1H22:18:040
824299622,6cyclictest16030-21diskmemload23:40:050
824299621,49cyclictest0-21swapper/021:50:300
824299619,34cyclictest0-21swapper/022:14:380
824299612,5cyclictest16030-21diskmemload22:21:360
824299612,5cyclictest0-21swapper/021:55:370
824299612,4cyclictest0-21swapper/021:36:270
824299612,4cyclictest0-21swapper/000:32:020
824299612,4cyclictest0-21swapper/000:20:410
824299612,41cyclictest0-21swapper/023:17:170
824299611,56cyclictest3302-21runrttasks19:55:300
824299611,4cyclictest16030-21diskmemload22:37:170
824299611,46cyclictest15139-21/usr/sbin/munin21:05:220
8242996114,34cyclictest16161-21seq19:42:410
824299611,37cyclictest3302-21runrttasks19:37:440
8242996113,31cyclictest0-21swapper/021:17:380
824299602,5cyclictest0-21swapper/000:51:540
824299602,4cyclictest0-21swapper/022:46:540
824299602,4cyclictest0-21swapper/000:25:310
8242996016,37cyclictest21718-21ntp_states22:55:240
824299601,5cyclictest25924-21diskstats23:00:140
824299601,5cyclictest19050-21chrt00:00:100
824299601,46cyclictest28345-21switchtime23:35:260
8242996013,29cyclictest11179-21df19:30:130
8242996012,30cyclictest0-21swapper/023:11:300
824299599,33cyclictest0-21swapper/022:40:030
824299592,5cyclictest16030-21diskmemload23:20:390
824299592,43cyclictest15174-21ntp_states23:55:260
824299592,40cyclictest0-21swapper/000:16:050
8242995910,30cyclictest0-21swapper/023:06:020
824299582,39cyclictest0-21swapper/021:42:270
824299581,6cyclictest3376-21cut21:30:100
824299562,8cyclictest0-21swapper/022:28:570
824299561,7cyclictest28106-21df20:15:130
824299561,6cyclictest3816-21seq20:35:220
824299561,6cyclictest11602-21wc20:55:290
824299561,37cyclictest2617-21seq20:33:280
824299557,31cyclictest31906-21taskset20:25:160
824299551,6cyclictest30083-21cut20:20:150
824299542,6cyclictest17867-21taskset19:45:570
824299541,7cyclictest5705-21seq20:40:220
824299541,5cyclictest8987-21cut20:50:160
824299531,6cyclictest22303-21grep20:00:100
824299531,5cyclictest18409-21taskset19:50:010
56462430,4sleep1824399cyclictest00:19:481
8243994020,16cyclictest0-21swapper/122:15:551
824399387,3cyclictest0-21swapper/100:42:361
824399386,28cyclictest0-21swapper/123:15:561
824399368,4cyclictest81rcu_preempt22:55:001
824399364,5cyclictest81rcu_preempt00:12:311
8243993628,5cyclictest22-21ksoftirqd/119:40:001
824399357,10cyclictest81rcu_preempt22:06:181
824399355,4cyclictest81rcu_preempt21:50:271
824399353,5cyclictest81rcu_preempt00:28:221
824399351,6cyclictest22-21ksoftirqd/122:35:241
824399351,5cyclictest2058-21fschecks_count00:50:151
824399351,30cyclictest26368-21fschecks_count21:20:151
824399351,19cyclictest14989-21uniq19:40:151
8243993511,4cyclictest81rcu_preempt00:39:281
824399349,4cyclictest81rcu_preempt23:14:461
824399349,4cyclictest22-21ksoftirqd/123:05:181
824399348,6cyclictest22-21ksoftirqd/123:59:251
824399348,4cyclictest81rcu_preempt23:35:231
824399344,4cyclictest81rcu_preempt23:25:181
824399344,4cyclictest81rcu_preempt00:20:561
824399343,4cyclictest81rcu_preempt21:55:381
824399341,9cyclictest32744-21cut22:00:161
271212341,29sleep127133-21ssh22:27:491
824399335,24cyclictest0-21swapper/122:10:201
824399334,4cyclictest81rcu_preempt23:20:431
824399333,4cyclictest81rcu_preempt00:30:461
824399332,4cyclictest0-21swapper/121:26:161
824399331,4cyclictest81rcu_preempt21:47:081
824399331,4cyclictest81rcu_preempt00:07:121
824399331,29cyclictest0-21swapper/122:49:551
8243993312,4cyclictest81rcu_preempt21:35:051
223532330,4sleep122-21ksoftirqd/100:03:111
824399328,4cyclictest81rcu_preempt22:20:411
824399327,4cyclictest81rcu_preempt23:02:001
824399326,4cyclictest81rcu_preempt23:50:411
824399325,4cyclictest81rcu_preempt19:45:301
824399323,4cyclictest81rcu_preempt23:40:491
8243993212,4cyclictest81rcu_preempt22:30:371
119472321,5sleep10-21swapper/120:56:531
824399318,4cyclictest81rcu_preempt23:32:131
824399313,4cyclictest81rcu_preempt21:17:391
8243993118,10cyclictest22-21ksoftirqd/120:40:211
824399311,4cyclictest81rcu_preempt21:02:561
824399311,3cyclictest81rcu_preempt20:04:231
824399311,28cyclictest0-21swapper/121:44:551
824399307,4cyclictest81rcu_preempt20:05:331
824399306,12cyclictest81rcu_preempt21:05:131
824399303,23cyclictest0-21swapper/120:51:131
824399302,4cyclictest81rcu_preempt00:45:251
8243993013,14cyclictest22-21ksoftirqd/122:55:151
824399301,16cyclictest20023-21taskset19:53:521
8243992911,14cyclictest27823-21/usr/sbin/munin20:15:111
824399281,5cyclictest81rcu_preempt20:25:311
824399281,4cyclictest81rcu_preempt20:32:401
273942281,5sleep10-21swapper/120:12:171
8243992718,6cyclictest22-21ksoftirqd/120:22:231
8243992716,7cyclictest12131-21grep19:30:281
8243992618,4cyclictest7246-21fschecks_time20:45:161
8243992614,10cyclictest22-21ksoftirqd/119:55:291
8243992418,4cyclictest22-21ksoftirqd/120:35:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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