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2026-02-15 - 04:30
[ 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 #7, slot #7

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 100 highest latencies:
System rack7slot7s.osadl.org (updated Sun Feb 15, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1075929986,9sleep00-21swapper/019:08:380
1079628762,9sleep20-21swapper/219:09:092
1064628066,9sleep30-21swapper/319:07:133
956427665,6sleep10-21swapper/119:05:171
10950992624,1cyclictest39-21ksoftirqd/300:13:103
10939992423,1cyclictest0-21swapper/021:47:220
10939992423,1cyclictest0-21swapper/021:47:210
1093999241,2cyclictest2872-21apt-get22:45:150
1094099220,1cyclictest0-21swapper/100:20:431
1095099214,15cyclictest141rcu_preempt00:09:163
10950992120,1cyclictest39-21ksoftirqd/323:35:553
10950992114,3cyclictest39-21ksoftirqd/321:31:333
1095099210,21cyclictest0-21swapper/321:29:553
1095099210,20cyclictest0-21swapper/323:40:473
1095099210,1cyclictest0-21swapper/321:44:583
1094099210,2cyclictest0-21swapper/123:56:391
1094099210,20cyclictest0-21swapper/122:50:141
1095099200,2cyclictest0-21swapper/300:25:053
1094499200,8cyclictest0-21swapper/222:26:452
1093999200,19cyclictest0-21swapper/023:13:570
1093999200,19cyclictest0-21swapper/023:13:570
1095099199,2cyclictest39-21ksoftirqd/321:59:433
1095099195,10cyclictest39-21ksoftirqd/322:14:403
10950991918,1cyclictest39-21ksoftirqd/321:11:103
10950991918,1cyclictest39-21ksoftirqd/300:36:483
1095099190,3cyclictest141rcu_preempt23:27:213
10940991919,0cyclictest0-21swapper/122:11:281
10940991919,0cyclictest0-21swapper/121:38:451
10950991816,1cyclictest381rcuc/322:56:013
10950991811,7cyclictest39-21ksoftirqd/323:30:143
10944991814,3cyclictest4450-21diskmemload23:53:122
10940991816,1cyclictest0-21swapper/121:23:381
10940991815,3cyclictest0-21swapper/122:42:221
1094099180,13cyclictest0-21swapper/119:15:141
1094099180,0cyclictest0-21swapper/121:48:291
1094099180,0cyclictest0-21swapper/121:48:291
10939991817,1cyclictest0-21swapper/023:42:590
10939991817,1cyclictest0-21swapper/023:07:100
1093999180,18cyclictest0-21swapper/021:20:160
10950991716,1cyclictest0-21swapper/319:25:143
10950991715,2cyclictest39-21ksoftirqd/323:07:373
10950991715,1cyclictest358-21apt-get00:20:143
10950991713,3cyclictest4450-21diskmemload23:56:493
1095099170,2cyclictest141rcu_preempt22:20:393
1094499173,11cyclictest0-21swapper/220:05:142
1094499170,17cyclictest0-21swapper/222:17:392
10940991717,0cyclictest0-21swapper/121:59:011
10940991717,0cyclictest0-21swapper/100:16:491
1094099170,1cyclictest141rcu_preempt00:00:451
1094099170,1cyclictest12491-21ssh00:26:531
1094099170,1cyclictest0-21swapper/123:38:011
1094099170,1cyclictest0-21swapper/122:46:241
1093999175,6cyclictest15175-21munin-run21:55:010
10939991717,0cyclictest0-21swapper/023:55:360
1093999171,2cyclictest141rcu_preempt23:37:530
1093999171,14cyclictest26761-21ntp_states22:20:190
1093999170,17cyclictest0-21swapper/021:38:520
1095099169,7cyclictest39-21ksoftirqd/323:02:023
1095099169,6cyclictest39-21ksoftirqd/323:53:333
1095099165,1cyclictest141rcu_preempt00:30:483
1095099161,8cyclictest39-21ksoftirqd/322:30:203
10950991614,2cyclictest39-21ksoftirqd/322:47:043
1094499163,12cyclictest7256-21ssh00:05:152
1094499162,5cyclictest4450-21diskmemload00:36:262
1094499161,1cyclictest4517-21ssh21:48:142
1094499161,1cyclictest4517-21ssh21:48:132
1094499160,13cyclictest0-21swapper/223:41:112
1094099160,2cyclictest0-21swapper/100:32:451
1094099160,16cyclictest0-21swapper/123:20:511
1093999164,7cyclictest14942-21idleruntime-cro20:25:010
1093999162,13cyclictest489-21cron23:54:590
114262150,2sleep013-21ksoftirqd/020:15:200
1095099159,3cyclictest39-21ksoftirqd/300:19:383
1095099159,2cyclictest39-21ksoftirqd/320:27:283
1095099158,3cyclictest39-21ksoftirqd/323:20:443
1095099151,4cyclictest141rcu_preempt23:16:323
10950991513,1cyclictest0-21swapper/321:35:283
10950991511,4cyclictest39-21ksoftirqd/323:45:053
10950991511,2cyclictest39-21ksoftirqd/321:04:593
10950991510,4cyclictest2326-21cron22:45:003
1095099150,12cyclictest0-21swapper/300:00:303
1095099150,11cyclictest0-21swapper/323:12:423
1095099150,11cyclictest0-21swapper/323:12:413
10944991511,3cyclictest29591-21sendmail23:40:002
10944991511,2cyclictest1393-21tail19:55:202
1094499150,15cyclictest0-21swapper/221:59:312
1094099152,9cyclictest23585-21/usr/sbin/munin21:40:171
10940991513,1cyclictest0-21swapper/122:05:131
1094099150,2cyclictest0-21swapper/123:31:021
1094099150,1cyclictest0-21swapper/121:33:441
1094099150,1cyclictest0-21swapper/121:10:301
1094099150,14cyclictest0-21swapper/122:03:401
10939991513,1cyclictest0-21swapper/000:39:400
1093999150,8cyclictest23054-21awk19:35:000
1093999150,2cyclictest0-21swapper/023:31:200
1093999150,1cyclictest0-21swapper/022:07:560
1093999150,15cyclictest0-21swapper/023:01:210
1095099148,4cyclictest39-21ksoftirqd/322:16:313
1095099147,6cyclictest381rcuc/321:15:123
1095099141,12cyclictest0-21swapper/321:52:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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