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2026-01-28 - 08:40
[ 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 Wed Jan 28, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315789912791237,31cyclictest0-21swapper/019:25:150
315799912211205,13cyclictest0-21swapper/121:15:171
315799911601116,24cyclictest31831-21cpu19:25:121
312582591510,65sleep00-21swapper/019:22:110
313002439338,31sleep10-21swapper/119:22:391
3157899225219,3cyclictest0-21swapper/021:15:170
199982960,3sleep03157899cyclictest21:55:340
49142830,7sleep13157999cyclictest19:35:281
26352790,4sleep10-21swapper/122:45:161
324612720,4sleep0111rcuc/000:22:590
70702700,5sleep10-21swapper/121:10:011
3157999513,12cyclictest0-21swapper/122:18:551
298852450,7sleep13157999cyclictest00:20:171
31579994416,7cyclictest22-21ksoftirqd/123:20:561
24002440,4sleep1211ktimersoftd/119:30:191
225002440,3sleep0111rcuc/023:39:360
31579994326,6cyclictest22-21ksoftirqd/121:39:251
31579994317,7cyclictest22-21ksoftirqd/123:52:491
3157899432,22cyclictest22556-21memory21:25:200
31579994225,5cyclictest22-21ksoftirqd/122:40:301
31579994216,6cyclictest22-21ksoftirqd/121:28:151
19202420,4sleep041ktimersoftd/023:50:480
31579994114,16cyclictest22-21ksoftirqd/123:45:221
3157899412,21cyclictest5861-21iostat_ios23:55:210
3157899412,21cyclictest25248-21memory00:15:250
3157899412,21cyclictest25248-21memory00:15:240
3157899411,13cyclictest1107-21taskset20:53:270
31579994025,5cyclictest22-21ksoftirqd/120:52:281
31579994017,8cyclictest22-21ksoftirqd/120:30:171
31579994015,7cyclictest22-21ksoftirqd/123:44:411
31579994015,7cyclictest22-21ksoftirqd/123:18:081
31579994015,7cyclictest22-21ksoftirqd/122:37:571
31578994013,7cyclictest18395-21users21:20:310
3157899401,22cyclictest2970-21ssh21:38:580
181872407,29sleep018196-21sh21:54:580
98632391,35sleep19877-21ssh21:12:081
98632391,35sleep19877-21ssh21:12:071
31579993924,5cyclictest22-21ksoftirqd/119:55:051
31579993918,7cyclictest22-21ksoftirqd/123:05:301
31579993917,8cyclictest22-21ksoftirqd/123:00:311
31579993917,8cyclictest22-21ksoftirqd/100:44:421
31579993917,7cyclictest22-21ksoftirqd/119:47:271
31579993916,9cyclictest22-21ksoftirqd/121:41:161
3157899391,21cyclictest7064-21grep00:30:160
3157999386,20cyclictest0-21swapper/122:29:201
31579993816,8cyclictest22-21ksoftirqd/120:41:211
31579993816,7cyclictest22-21ksoftirqd/122:56:071
31579993816,7cyclictest22-21ksoftirqd/100:16:021
31579993816,7cyclictest22-21ksoftirqd/100:16:021
31579993816,7cyclictest22-21ksoftirqd/100:13:171
31579993814,5cyclictest18235-1kworker/1:1H00:01:281
31579993813,8cyclictest22-21ksoftirqd/122:31:401
31579993811,7cyclictest22-21ksoftirqd/122:24:141
3157899382,17cyclictest0-21swapper/000:45:420
31579993717,6cyclictest22-21ksoftirqd/123:28:041
31579993716,7cyclictest22-21ksoftirqd/100:06:071
31579993715,7cyclictest22-21ksoftirqd/123:11:561
31579993715,7cyclictest22-21ksoftirqd/121:03:591
31579993712,15cyclictest22-21ksoftirqd/123:33:161
31579993711,7cyclictest22-21ksoftirqd/100:27:191
31578993728,5cyclictest0-21swapper/022:09:160
31579993615,7cyclictest22-21ksoftirqd/122:10:061
31579993615,7cyclictest22-21ksoftirqd/121:57:351
31579993615,6cyclictest22-21ksoftirqd/123:35:581
31579993615,6cyclictest22-21ksoftirqd/121:34:371
31579993614,7cyclictest22-21ksoftirqd/122:09:331
31579993610,11cyclictest22-21ksoftirqd/100:31:171
3157899361,32cyclictest0-21swapper/023:41:550
31579993514,7cyclictest22-21ksoftirqd/100:52:361
31579993514,6cyclictest22-21ksoftirqd/123:59:571
31579993512,10cyclictest22-21ksoftirqd/122:52:111
31578993514,18cyclictest3-21ksoftirqd/000:09:510
3157899351,17cyclictest26780-21ssh00:51:040
31579993413,7cyclictest22-21ksoftirqd/120:38:431
31579993413,6cyclictest22-21ksoftirqd/121:49:201
3157999341,19cyclictest22289-21grep00:45:311
3157999341,10cyclictest24368-21awk22:00:281
3157899342,29cyclictest0-21swapper/023:09:560
3157899342,29cyclictest0-21swapper/021:41:150
185252341,29sleep17035-21diskmemload21:20:421
108402341,30sleep010843-21ssh21:46:190
31579993326,5cyclictest0-21swapper/120:55:161
3157999331,7cyclictest13269-21ssh00:36:011
3157999331,5cyclictest0-21swapper/119:50:161
3157999331,30cyclictest0-21swapper/120:02:351
31578993326,5cyclictest0-21swapper/020:14:150
31578993325,5cyclictest9651-21ssh22:52:060
31578993323,7cyclictest4913-21wc19:35:280
301372331,28sleep030151-21ssh23:46:410
199862330,3sleep0111rcuc/023:03:040
31579993218,4cyclictest22-21ksoftirqd/120:13:591
3157999321,19cyclictest30354-21ls20:45:121
31579993210,6cyclictest22-21ksoftirqd/121:51:311
3157899321,4cyclictest81rcu_preempt00:44:410
3157899321,29cyclictest0-21swapper/022:46:360
3157899321,29cyclictest0-21swapper/019:40:350
31578993210,18cyclictest0-21swapper/022:02:550
3157999319,12cyclictest22-21ksoftirqd/120:15:071
3157999318,7cyclictest21778-21switchtime20:20:291
31579993110,6cyclictest22-21ksoftirqd/120:05:541
3157899313,4cyclictest81rcu_preempt00:28:540
3157899312,4cyclictest81rcu_preempt23:20:370
3157899312,4cyclictest81rcu_preempt22:40:470
3157899312,4cyclictest81rcu_preempt00:13:170
31578993124,5cyclictest0-21swapper/019:30:360
31578993124,4cyclictest3-21ksoftirqd/022:17:530
31578993118,9cyclictest3-21ksoftirqd/022:31:550
3157899311,4cyclictest81rcu_preempt22:36:470
3157899311,4cyclictest81rcu_preempt21:34:370
3157899311,4cyclictest81rcu_preempt19:47:280
31578993112,15cyclictest3-21ksoftirqd/023:10:160
3157999301,9cyclictest7379-21cron19:45:001
3157999301,27cyclictest0-21swapper/120:27:561
3157899302,4cyclictest81rcu_preempt22:22:110
3157899302,4cyclictest81rcu_preempt22:10:060
31578993020,6cyclictest9605-21ssh23:25:240
3157899301,5cyclictest81rcu_preempt23:31:360
3157899301,4cyclictest81rcu_preempt23:18:090
3157899301,4cyclictest81rcu_preempt22:56:070
3157899301,4cyclictest81rcu_preempt21:04:000
3157899301,4cyclictest81rcu_preempt20:30:170
3157899301,3cyclictest81rcu_preempt20:41:210
31578992922,5cyclictest0-21swapper/020:08:560
31578992921,5cyclictest0-21swapper/020:17:360
31578992919,6cyclictest16580-21unixbench_multi22:25:280
240042291,5sleep00-21swapper/020:26:530
3157899288,16cyclictest0-21swapper/000:38:200
3157899288,14cyclictest2845-21taskset20:55:570
31578992816,9cyclictest3-21ksoftirqd/000:00:300
3157899281,25cyclictest0-21swapper/020:45:360
277372281,5sleep00-21swapper/020:36:430
128382281,5sleep00-21swapper/019:58:150
107832281,5sleep00-21swapper/019:51:250
31578992718,5cyclictest3-21ksoftirqd/020:23:450
3157899263,4cyclictest0-21swapper/020:00:250
3157899263,17cyclictest5901-21iostat_ios21:05:170
31578992617,6cyclictest3-21ksoftirqd/021:11:370
31578992617,6cyclictest3-21ksoftirqd/021:11:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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