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2026-01-21 - 07:56
[ 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 #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 792 highest latencies:
System rack7slot4s.osadl.org (updated Wed Jan 21, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31409997740,28cyclictest28366irq/58-eth023:40:133
31409996044,8cyclictest28366irq/58-eth023:15:113
31409995231,12cyclictest28366irq/58-eth023:50:133
31398995119,13cyclictest27-21ksoftirqd/223:55:142
3138899491,44cyclictest23112-21apt-get19:35:131
3138899481,42cyclictest30434-21apt-get20:50:111
3138899481,42cyclictest30434-21apt-get20:50:111
3139899460,20cyclictest20372-21ssh23:00:122
31409994523,10cyclictest28366irq/58-eth023:30:123
3139899452,22cyclictest6508-21ssh00:05:132
3138899452,39cyclictest0-21swapper/123:50:121
3138899451,40cyclictest21156-21apt-get23:55:141
3138899451,39cyclictest0-21swapper/100:20:131
3138899451,2cyclictest2805-21apt-get20:55:131
3140999442,23cyclictest28366irq/58-eth021:25:123
3138899442,39cyclictest22187-21apt-get22:25:121
3138899441,29cyclictest32459-21/usr/sbin/munin20:15:361
3138899440,39cyclictest32728-21apt-get19:45:121
31409994328,7cyclictest28366irq/58-eth023:55:133
3138899439,18cyclictest0-21swapper/123:20:541
3138899431,29cyclictest11559-21ntp_192.168.11422:35:241
3140999424,27cyclictest28366irq/58-eth022:10:133
3138899424,34cyclictest5684-21ssh23:10:111
3138899421,36cyclictest27819-21apt-get22:10:121
3138899421,35cyclictest0-21swapper/119:40:111
3138899421,26cyclictest15095-21ssh22:01:091
3138899421,24cyclictest0-21swapper/100:35:231
3140999413,26cyclictest28366irq/58-eth000:15:133
3138899411,37cyclictest18702-21apt-get00:30:121
3138899411,36cyclictest0-21swapper/119:50:131
3138899410,26cyclictest24912-21ssh21:13:461
3138899401,36cyclictest11468-21ssh22:55:121
3138899401,35cyclictest0-21swapper/119:10:131
3138899401,22cyclictest10004-21df19:55:141
3138899400,33cyclictest0-21swapper/100:00:141
31381994011,20cyclictest12-21ksoftirqd/021:15:140
3139899392,29cyclictest3699-21ssh21:37:402
3139899392,29cyclictest3699-21ssh21:37:402
3138899392,25cyclictest13359-21missed_timers00:25:241
3138899391,36cyclictest0-21swapper/123:25:101
3138899391,35cyclictest0-21swapper/121:00:131
3138899391,34cyclictest8708-21apt-get19:20:111
3138899391,33cyclictest6497-21apt-get00:05:141
3138899390,26cyclictest916-21diskstats21:55:151
3138899390,26cyclictest17031-21diskmemload23:08:431
3138899390,25cyclictest20455-21users20:35:301
3138899382,30cyclictest13278-21apt-get22:20:111
3138899381,22cyclictest32744-21ssh00:19:561
3138899380,2cyclictest0-21swapper/121:35:111
3138899380,2cyclictest0-21swapper/121:35:111
3138899380,24cyclictest22142-21sh00:12:551
3138899371,33cyclictest24223-21apt-get21:50:151
3138899371,26cyclictest6319-21kthreadcore19:15:201
3138899371,24cyclictest6028-21users20:20:301
3138899371,24cyclictest4316-21kthreadcore21:20:191
3138899370,3cyclictest0-21swapper/120:25:121
3138899370,24cyclictest17031-21diskmemload23:30:341
3138899370,24cyclictest1240-21sh21:18:321
3140999366,18cyclictest28366irq/58-eth021:40:133
3140999361,22cyclictest28366irq/58-eth020:55:123
3138899362,30cyclictest0-21swapper/123:40:131
3138899361,24cyclictest19143-21kthreadcore19:30:171
3138899361,24cyclictest16315-21grep21:05:291
3138899361,23cyclictest26925-21ssh23:02:411
3138899361,22cyclictest15104-21apt-get21:45:121
3138899360,24cyclictest23495-21ssh22:42:311
3138899360,24cyclictest17031-21diskmemload22:46:081
3139899352,17cyclictest27831-21ssh22:10:122
3138899351,30cyclictest3302-21apt-get23:45:141
3138899350,2cyclictest0-21swapper/120:00:111
3138899350,10cyclictest20578-21apt-get21:30:121
3140999342,17cyclictest28366irq/58-eth021:50:133
3138899341,22cyclictest6836-21ssh22:34:171
3138899341,22cyclictest12329-21ssh22:19:191
3138899340,2cyclictest0-21swapper/120:05:111
3139899331,27cyclictest11030-21ssh21:24:402
3139899331,17cyclictest2606-21ssh00:38:402
3138899330,2cyclictest15597-21ssh21:25:271
3140999322,18cyclictest28366irq/58-eth000:30:123
31409993210,9cyclictest28366irq/58-eth023:05:113
3138899321,28cyclictest27361-21latency_hist22:10:011
3138899320,5cyclictest6083-21apt-get21:40:131
3138899320,2cyclictest17911-21ssh23:35:111
3138899320,2cyclictest0-21swapper/120:40:131
3138899320,2cyclictest0-21swapper/120:30:111
3138899320,2cyclictest0-21swapper/119:25:111
3140999311,23cyclictest28366irq/58-eth000:10:143
3139899314,8cyclictest27-21ksoftirqd/221:30:272
3138899311,27cyclictest16842-21kthreadcore23:15:201
3138899311,25cyclictest2761-21idleruntime22:50:171
3138899310,2cyclictest0-21swapper/120:45:121
3138199312,24cyclictest27846-21ssh22:10:130
3140999302,15cyclictest28366irq/58-eth000:05:143
3139899309,13cyclictest0-21swapper/223:34:272
3139899304,5cyclictest271ksoftirqd/222:15:272
31398993015,3cyclictest27-21ksoftirqd/219:30:262
31398993013,11cyclictest0-21swapper/223:29:512
31398993011,11cyclictest0-21swapper/221:57:332
31398993010,13cyclictest0-21swapper/222:07:102
3139899299,12cyclictest27-21ksoftirqd/223:09:372
3139899299,11cyclictest0-21swapper/219:25:242
3139899294,18cyclictest22346irq/40-dwc2_hso22:25:132
3139899293,18cyclictest0-21swapper/220:15:172
31398992914,8cyclictest0-21swapper/219:20:112
3138199294,12cyclictest12-21ksoftirqd/000:10:010
3139899289,7cyclictest0-21swapper/200:13:372
3139899289,4cyclictest27-21ksoftirqd/222:20:212
3139899289,12cyclictest0-21swapper/221:17:442
3139899287,11cyclictest27-21ksoftirqd/200:26:432
3139899286,15cyclictest0-21swapper/223:20:542
3139899283,15cyclictest22346irq/40-dwc2_hso21:50:142
3139899282,11cyclictest18277-21ssh21:27:402
31398992813,3cyclictest0-21swapper/223:40:322
31398992811,11cyclictest0-21swapper/200:03:302
31398992810,7cyclictest0-21swapper/221:46:372
3138199287,13cyclictest151rcuc/021:20:110
3138199282,20cyclictest6087-21ssh21:40:140
31381992815,7cyclictest0-21swapper/000:25:140
31381992810,8cyclictest0-21swapper/021:48:430
3140999273,21cyclictest28366irq/58-eth000:00:133
3139899279,7cyclictest0-21swapper/223:50:032
3139899279,11cyclictest0-21swapper/222:51:252
3139899275,8cyclictest27-21ksoftirqd/222:01:392
3139899274,4cyclictest271ksoftirqd/220:00:202
31398992711,10cyclictest0-21swapper/222:45:452
31398992710,11cyclictest27-21ksoftirqd/223:10:442
31398992710,11cyclictest0-21swapper/223:49:012
31398992710,10cyclictest131rcu_preempt00:19:552
3138899271,23cyclictest24339-21cpuspeed20:10:141
3138199276,3cyclictest131rcu_preempt23:35:120
31381992721,4cyclictest151rcuc/020:20:220
3138199271,19cyclictest13305-21ssh22:20:120
3140999262,17cyclictest28366irq/58-eth021:37:403
3140999262,17cyclictest28366irq/58-eth021:37:403
3139899269,11cyclictest0-21swapper/222:33:252
3139899268,12cyclictest0-21swapper/223:18:032
3139899266,9cyclictest27-21ksoftirqd/220:25:172
3139899266,14cyclictest0-21swapper/222:36:462
3139899265,2cyclictest131rcu_preempt20:55:132
3139899264,20cyclictest28657-1kworker/2:2H20:50:112
3139899264,20cyclictest28657-1kworker/2:2H20:50:112
3139899262,16cyclictest18727-21ssh00:30:122
3139899260,19cyclictest26512-21sendmail23:40:012
3138199265,3cyclictest131rcu_preempt22:40:300
3138199261,20cyclictest22214-21ssh22:25:150
3140999253,11cyclictest28366irq/58-eth019:55:123
3140999252,14cyclictest28366irq/58-eth022:40:133
3139899251,16cyclictest11234-21sort20:30:122
31398992510,5cyclictest27-21ksoftirqd/200:23:342
3138199251,7cyclictest12-21ksoftirqd/000:20:160
3138199251,15cyclictest3318-21sh23:45:130
3140999243,15cyclictest28366irq/58-eth020:20:123
3140999242,11cyclictest28366irq/58-eth021:30:123
3139899247,11cyclictest131rcu_preempt22:59:242
3139899246,12cyclictest0-21swapper/222:40:082
3139899245,8cyclictest27-21ksoftirqd/221:10:182
3139899245,12cyclictest27-21ksoftirqd/221:44:092
3139899244,11cyclictest131rcu_preempt19:45:192
3139899243,3cyclictest131rcu_preempt21:00:282
3138899241,21cyclictest31374-21cyclictest19:10:011
3138899241,21cyclictest31374-21cyclictest19:10:011
3138199248,4cyclictest12-21ksoftirqd/022:08:330
3138199245,3cyclictest131rcu_preempt19:55:150
3138199244,4cyclictest12-21ksoftirqd/019:40:170
3138199244,3cyclictest131rcu_preempt21:10:020
3138199242,5cyclictest12-21ksoftirqd/019:45:260
3138199241,6cyclictest3867-21ssh23:25:250
3138199241,6cyclictest12-21ksoftirqd/023:22:030
31381992415,5cyclictest11158-21apt-get20:30:110
31381992411,4cyclictest12-21ksoftirqd/000:33:290
31381992410,4cyclictest12-21ksoftirqd/000:00:060
3140999233,13cyclictest0-21swapper/322:25:403
3139899234,14cyclictest27-21ksoftirqd/220:07:052
3139899231,15cyclictest0-21swapper/219:18:402
3138199239,9cyclictest12-21ksoftirqd/020:55:130
3138199237,7cyclictest12-21ksoftirqd/022:36:350
3138199235,3cyclictest131rcu_preempt23:15:120
3138199235,3cyclictest131rcu_preempt23:05:010
3138199235,3cyclictest131rcu_preempt22:50:020
3138199234,5cyclictest12-21ksoftirqd/020:35:220
3138199234,3cyclictest131rcu_preempt23:55:160
3138199232,3cyclictest131rcu_preempt19:50:220
3138199232,16cyclictest3696-21ssh21:37:400
3138199232,16cyclictest3696-21ssh21:37:400
3138199231,6cyclictest12-21ksoftirqd/022:50:180
31381992311,3cyclictest12-21ksoftirqd/023:51:330
31381992310,7cyclictest12-21ksoftirqd/021:14:260
31381992310,7cyclictest12-21ksoftirqd/000:39:270
3140999229,10cyclictest0-21swapper/300:25:203
3140999225,10cyclictest28366irq/58-eth019:30:113
3140999223,13cyclictest0-21swapper/323:10:133
3139899228,11cyclictest25594-21df20:45:142
3139899226,8cyclictest27-21ksoftirqd/219:10:262
3139899225,7cyclictest27-21ksoftirqd/219:40:192
3139899224,11cyclictest131rcu_preempt20:20:272
3139899221,15cyclictest0-21swapper/220:11:402
3139899220,5cyclictest17047-21kthreadcore20:35:202
3138199229,7cyclictest12-21ksoftirqd/021:31:500
3138199229,3cyclictest131rcu_preempt21:55:240
3138199228,7cyclictest12-21ksoftirqd/022:01:170
3138199228,4cyclictest12-21ksoftirqd/020:25:140
3138199227,7cyclictest12-21ksoftirqd/020:10:140
3138199225,3cyclictest131rcu_preempt23:40:120
3138199224,5cyclictest12-21ksoftirqd/022:32:210
3138199224,3cyclictest131rcu_preempt20:20:010
3138199224,3cyclictest131rcu_preempt20:00:260
3138199223,5cyclictest12-21ksoftirqd/023:08:350
3138199223,5cyclictest12-21ksoftirqd/000:15:200
3138199222,5cyclictest12-21ksoftirqd/022:55:220
3138199222,5cyclictest12-21ksoftirqd/020:05:290
3140999213,12cyclictest0-21swapper/300:38:403
31409992111,8cyclictest0-21swapper/322:16:393
3139899213,9cyclictest27-21ksoftirqd/219:50:122
3138199218,4cyclictest12-21ksoftirqd/023:11:370
3138199214,4cyclictest12-21ksoftirqd/021:50:030
3138199213,2cyclictest131rcu_preempt19:30:250
31381992116,3cyclictest0-21swapper/019:35:120
3138199211,4cyclictest12-21ksoftirqd/021:25:240
31381992112,3cyclictest12-21ksoftirqd/022:15:230
3138199210,6cyclictest11436-21/usr/sbin/munin21:00:290
3138199210,4cyclictest15353-21apt-get00:10:140
3140999209,9cyclictest0-21swapper/323:20:323
3140999209,8cyclictest0-21swapper/323:47:473
3140999203,12cyclictest0-21swapper/300:24:413
3140999201,6cyclictest0-21swapper/322:35:113
31409992011,4cyclictest0-21swapper/323:03:413
31409992010,8cyclictest0-21swapper/321:24:353
31409992010,6cyclictest28366irq/58-eth021:45:113
3139899202,9cyclictest23749-21kthreadcore20:40:222
3139899201,12cyclictest0-21swapper/219:55:122
3139899200,11cyclictest17020-21latency_hist21:10:022
3138199206,5cyclictest12-21ksoftirqd/020:45:180
3138199205,3cyclictest131rcu_preempt19:10:150
3138199203,3cyclictest131rcu_preempt20:50:170
3138199203,3cyclictest131rcu_preempt20:50:170
3138199202,5cyclictest12-21ksoftirqd/023:31:270
3138199202,5cyclictest12-21ksoftirqd/019:20:130
3138199202,3cyclictest13815-21if_err_eth119:25:150
3138199201,10cyclictest21239-21irqrtprio20:40:180
3138199200,4cyclictest91-21pr/ttyS019:10:010
3138199200,4cyclictest91-21pr/ttyS019:10:010
3140999199,6cyclictest0-21swapper/321:19:023
3140999198,8cyclictest0-21swapper/322:00:293
3140999196,8cyclictest28366irq/58-eth022:50:143
3140999192,10cyclictest0-21swapper/320:40:163
31409991911,6cyclictest0-21swapper/322:05:243
3140999191,12cyclictest0-21swapper/320:55:013
3140999191,12cyclictest0-21swapper/320:55:013
3140999191,12cyclictest0-21swapper/320:45:223
3140999191,11cyclictest0-21swapper/320:00:133
31409991910,6cyclictest28366irq/58-eth022:30:133
31409991910,6cyclictest0-21swapper/323:35:063
31409991910,6cyclictest0-21swapper/323:27:213
31409991910,6cyclictest0-21swapper/322:48:573
31409991910,6cyclictest0-21swapper/322:20:303
3139899191,12cyclictest0-21swapper/219:38:402
3138199193,3cyclictest131rcu_preempt19:15:200
3140999182,10cyclictest0-21swapper/321:00:143
3140999182,10cyclictest0-21swapper/320:25:133
31409991810,6cyclictest28366irq/58-eth022:55:133
31409991810,3cyclictest0-21swapper/321:59:113
3140999176,8cyclictest28366irq/58-eth021:10:133
3140999172,10cyclictest0-21swapper/320:15:133
3140999172,10cyclictest0-21swapper/319:20:113
3140999162,9cyclictest0-21swapper/319:40:133
3140999162,9cyclictest0-21swapper/319:35:133
3140999162,9cyclictest0-21swapper/319:25:123
3140999161,10cyclictest0-21swapper/320:35:273
3140999151,11cyclictest0-21swapper/320:30:273
3140999141,11cyclictest0-21swapper/319:15:273
3140999138,3cyclictest0-21swapper/319:47:323
3140999132,7cyclictest0-21swapper/320:05:123
3140999131,8cyclictest0-21swapper/319:50:133
3139899131,9cyclictest31480-21latency_hist19:10:012
3139899131,9cyclictest31480-21latency_hist19:10:012
3140999128,2cyclictest0-21swapper/320:10:123
3140999122,4cyclictest0-21swapper/321:05:133
3140999121,8cyclictest0-21swapper/319:10:123
3140999101,6cyclictest0-21swapper/319:10:013
3140999101,6cyclictest0-21swapper/319:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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