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2026-01-26 - 03:28
[ 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 Mon Jan 26, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2925329466,8sleep00-21swapper/019:05:260
2995128666,9sleep20-21swapper/219:09:252
2964027942,33sleep10-21swapper/119:05:541
2919627766,6sleep30-21swapper/319:05:243
3008899300,29cyclictest0-21swapper/200:30:012
3008399301,25cyclictest27144-21mailstats21:50:231
3008399300,29cyclictest22482-21diskmemload23:33:241
3008899290,29cyclictest0-21swapper/223:20:002
3008899290,28cyclictest0-21swapper/222:58:062
3008399291,27cyclictest13905-21latency_hist23:00:001
3008899283,24cyclictest0-21swapper/222:26:262
3008899280,27cyclictest0-21swapper/221:43:032
3008399282,25cyclictest22482-21diskmemload23:39:101
3008399280,27cyclictest553-21sshd00:08:311
3008399280,27cyclictest553-21sshd00:08:301
3008399280,27cyclictest0-21swapper/123:00:141
3008399280,1cyclictest0-21swapper/122:35:141
3008899274,22cyclictest0-21swapper/200:00:432
3008899270,2cyclictest0-21swapper/200:13:462
3008399273,22cyclictest22482-21diskmemload23:45:081
3007999273,1cyclictest0-21swapper/021:29:190
3007999270,6cyclictest13-21ksoftirqd/021:15:020
229382270,0sleep00-21swapper/023:05:140
3008899260,24cyclictest0-21swapper/221:45:502
3008399260,3cyclictest0-21swapper/100:19:091
3008899250,25cyclictest0-21swapper/222:14:082
3008399252,1cyclictest22482-21diskmemload23:25:061
3008399250,3cyclictest0-21swapper/122:25:171
3008399250,23cyclictest0-21swapper/123:10:391
3008399250,1cyclictest0-21swapper/122:52:311
30079992524,1cyclictest0-21swapper/000:09:280
30079992524,1cyclictest0-21swapper/000:09:270
3008899248,12cyclictest0-21swapper/221:53:352
30088992422,1cyclictest22482-21diskmemload00:08:302
30088992422,1cyclictest22482-21diskmemload00:08:302
30088992417,7cyclictest26842-21kworker/u8:323:42:002
3008399242,19cyclictest0-21swapper/121:28:431
3008399240,3cyclictest0-21swapper/123:55:121
3008399240,22cyclictest0-21swapper/123:08:221
3008399240,22cyclictest0-21swapper/121:44:341
3008899233,19cyclictest0-21swapper/223:35:102
30088992313,9cyclictest55650irq/127-enp2s0-22:45:372
3008899230,23cyclictest0-21swapper/222:01:542
3008399231,1cyclictest22482-21diskmemload22:14:381
3008399230,1cyclictest0-21swapper/123:40:091
3008399230,1cyclictest0-21swapper/123:20:171
30079992318,1cyclictest0-21swapper/023:01:550
3008899229,12cyclictest0-21swapper/221:11:352
3008899227,15cyclictest0-21swapper/223:09:402
3008899222,2cyclictest0-21swapper/223:34:572
30088992220,2cyclictest22482-21diskmemload23:13:562
30088992218,3cyclictest0-21swapper/223:55:122
30088992214,7cyclictest0-21swapper/223:21:172
3008899221,17cyclictest0-21swapper/222:36:332
3008899220,21cyclictest0-21swapper/221:26:552
3008399222,17cyclictest0-21swapper/121:46:391
3008399221,1cyclictest22482-21diskmemload22:06:581
3008399221,1cyclictest22482-21diskmemload00:20:501
30079992221,1cyclictest0-21swapper/023:35:300
3007999220,21cyclictest0-21swapper/021:50:070
3007999220,0cyclictest0-21swapper/021:59:090
30088992119,1cyclictest22482-21diskmemload23:46:182
30088992115,2cyclictest0-21swapper/222:52:542
30088992114,7cyclictest22482-21diskmemload21:24:412
30088992112,8cyclictest16731-21cron19:49:592
30088992110,8cyclictest22482-21diskmemload21:18:012
3008399212,1cyclictest22482-21diskmemload23:18:581
30083992112,8cyclictest0-21swapper/121:36:201
3008399211,1cyclictest0-21swapper/120:40:131
3008399211,18cyclictest0-21swapper/100:10:141
3008399210,4cyclictest23953-21perl21:10:151
3008399210,3cyclictest0-21swapper/100:25:171
3008399210,2cyclictest0-21swapper/100:32:401
3008399210,20cyclictest0-21swapper/121:20:131
3008399210,1cyclictest0-21swapper/123:51:191
3008399210,1cyclictest0-21swapper/120:10:211
3007999215,4cyclictest13-21ksoftirqd/023:41:490
3007999212,19cyclictest0-21swapper/023:18:530
3007999210,21cyclictest0-21swapper/021:43:250
3007999210,20cyclictest0-21swapper/000:13:450
3007999210,18cyclictest0-21swapper/021:45:500
3007999210,0cyclictest0-21swapper/023:12:110
3007999210,0cyclictest0-21swapper/021:39:130
3008999200,19cyclictest0-21swapper/322:40:393
3008899200,20cyclictest0-21swapper/200:26:122
3008899200,13cyclictest0-21swapper/222:05:152
3008399205,14cyclictest0-21swapper/122:41:471
3008399203,13cyclictest22482-21diskmemload22:45:141
3008399200,3cyclictest0-21swapper/121:18:271
3008399200,2cyclictest0-21swapper/122:03:521
3008399200,1cyclictest0-21swapper/122:30:511
3008399200,19cyclictest0-21swapper/121:59:121
3008399200,16cyclictest0-21swapper/122:16:151
3008399200,0cyclictest0-21swapper/100:35:311
3008399200,0cyclictest0-21swapper/100:00:561
30079992018,2cyclictest13-21ksoftirqd/023:51:060
30079992016,3cyclictest2795-21taskset22:52:540
3008999190,19cyclictest0-21swapper/323:30:373
3008899196,2cyclictest0-21swapper/200:23:242
3008899193,7cyclictest0-21swapper/222:22:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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