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2026-01-31 - 07:39
[ 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 Sat Jan 31, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29359912011168,28cyclictest0-21swapper/019:25:170
29369911281103,19cyclictest0-21swapper/119:25:121
24522904850,40sleep00-21swapper/019:21:140
24622493446,32sleep10-21swapper/119:21:221
293599200181,14cyclictest21129-21ssh21:20:160
293599200181,14cyclictest21129-21ssh21:20:150
175972840,7sleep0293599cyclictest22:23:200
75772730,4sleep130497-21gdbus21:00:151
259932500,25sleep03-21ksoftirqd/000:45:260
148292441,26sleep010741-21diskmemload23:26:490
50152420,2sleep00-21swapper/021:36:280
2935994226,5cyclictest3-21ksoftirqd/021:11:120
2935994221,6cyclictest3-21ksoftirqd/021:15:020
2936994120,7cyclictest22-21ksoftirqd/100:10:271
293699394,4cyclictest81rcu_preempt23:57:541
293699394,31cyclictest0-21swapper/121:45:151
2935993917,6cyclictest24260-21munin-run20:20:010
308732381,33sleep030888-21ssh00:16:510
293699387,3cyclictest0-21swapper/100:08:361
293699386,4cyclictest81rcu_preempt21:59:541
293599381,14cyclictest0-21swapper/022:35:510
293699374,5cyclictest0-21swapper/122:47:151
2935993723,5cyclictest3-21ksoftirqd/023:24:180
293599371,6cyclictest18806-21sh00:38:160
2935993710,12cyclictest30788-21fschecks_count21:30:150
173532370,22sleep122-21ksoftirqd/100:36:081
293699367,5cyclictest81rcu_preempt21:36:481
2936993619,5cyclictest22-21ksoftirqd/122:30:091
293599365,5cyclictest81rcu_preempt21:55:100
293599364,16cyclictest2206-21dbus-daemon19:49:110
293599363,29cyclictest0-21swapper/022:44:560
293599363,29cyclictest0-21swapper/000:40:150
2935993621,12cyclictest27942-21ssh22:00:210
293599361,32cyclictest0-21swapper/023:12:150
325482351,4sleep031852-21/usr/sbin/munin23:45:220
293699353,6cyclictest0-21swapper/119:54:151
293699353,5cyclictest81rcu_preempt21:28:191
293699353,30cyclictest0-21swapper/120:28:351
2936993526,6cyclictest24118-21ssh21:23:191
2936993526,6cyclictest24118-21ssh21:23:191
293699352,29cyclictest0-21swapper/100:20:351
293699352,11cyclictest0-21swapper/121:53:431
2936993516,4cyclictest81rcu_preempt22:21:581
293599357,25cyclictest25848-21cron20:21:590
293599352,29cyclictest0-21swapper/023:55:350
2935993514,9cyclictest86582chrt22:47:070
288772351,5sleep130496-21packagekitd00:15:151
251632351,30sleep02206-21dbus-daemon23:37:450
234812350,7sleep1293699cyclictest20:15:271
293699348,13cyclictest163102ssh22:55:171
293699345,5cyclictest81rcu_preempt20:20:221
293699341,15cyclictest11324-21diskstats21:10:131
293699341,14cyclictest0-21swapper/123:42:001
293599345,16cyclictest0-21swapper/000:51:510
293599341,5cyclictest2403-21irqbalance21:28:160
293599341,30cyclictest0-21swapper/019:32:160
293599341,21cyclictest28938-21sh23:08:270
2935993412,10cyclictest0-21swapper/021:40:390
293599341,10cyclictest0-21swapper/022:31:420
21182341,29sleep12212-21grep22:40:261
46652330,4sleep041ktimersoftd/023:50:130
293699336,5cyclictest81rcu_preempt22:10:031
293699336,4cyclictest81rcu_preempt22:25:161
293699334,4cyclictest81rcu_preempt23:15:231
293699333,4cyclictest81rcu_preempt22:02:081
2936993325,6cyclictest0-21swapper/122:17:161
293699332,4cyclictest0-21swapper/123:47:151
293699331,5cyclictest138250irq/90-eth023:23:091
2936993313,4cyclictest81rcu_preempt00:27:321
293699331,29cyclictest28700-21/usr/sbin/munin22:35:151
2936993312,4cyclictest81rcu_preempt23:10:021
293599339,6cyclictest19486-21grep22:25:160
293599334,4cyclictest81rcu_preempt23:00:190
293599334,4cyclictest81rcu_preempt00:10:250
293599333,4cyclictest81rcu_preempt22:11:320
293599332,27cyclictest2403-21irqbalance22:56:550
293599331,29cyclictest0-21swapper/021:02:570
2935993312,16cyclictest20012-21sh23:32:170
13802331,28sleep01479-21cpu20:45:110
13802331,28sleep01479-21cpu20:45:110
313152321,26sleep10-21swapper/123:10:271
293699328,4cyclictest81rcu_preempt00:49:231
2936993221,6cyclictest15183-21cron00:35:001
293699321,5cyclictest81rcu_preempt23:27:001
293699321,4cyclictest81rcu_preempt23:35:551
2936993213,3cyclictest81rcu_preempt21:40:141
293699321,28cyclictest0-21swapper/121:30:361
293599329,5cyclictest15596-21grep22:55:010
293599329,5cyclictest14826-21ssh00:34:280
293599326,5cyclictest81rcu_preempt00:00:230
293599322,13cyclictest0-21swapper/000:28:230
293599321,29cyclictest0-21swapper/020:07:160
293599321,29cyclictest0-21swapper/020:07:160
293599321,27cyclictest1968-21lldpad23:16:310
2935993212,6cyclictest14646-21ssh21:46:220
293599321,17cyclictest9647-21awk22:15:140
293599321,13cyclictest0-21swapper/021:50:280
308632311,4sleep130883-21ntp_states20:35:241
298432311,5sleep00-21swapper/020:34:340
293699318,4cyclictest81rcu_preempt00:50:251
293699314,5cyclictest81rcu_preempt22:05:261
293699312,4cyclictest81rcu_preempt21:17:351
2936993119,10cyclictest32451-21kworker/1:122:52:281
293699311,4cyclictest81rcu_preempt20:55:111
293699311,4cyclictest81rcu_preempt20:52:591
293699311,4cyclictest81rcu_preempt19:58:431
2936993114,6cyclictest22-21ksoftirqd/120:31:531
293699311,16cyclictest20131-21ssh23:32:281
293699311,16cyclictest13967-21ssh00:00:031
293599314,4cyclictest81rcu_preempt23:41:360
2935993113,5cyclictest1383-21ssh22:06:060
293599311,28cyclictest0-21swapper/020:36:350
293599311,15cyclictest9127-21/usr/sbin/munin21:05:100
293599311,12cyclictest21877-21ssh00:07:460
67402301,5sleep00-21swapper/020:57:440
293699308,4cyclictest81rcu_preempt20:07:371
293699308,4cyclictest81rcu_preempt20:07:361
293699303,17cyclictest0-21swapper/120:40:261
293699302,4cyclictest81rcu_preempt20:02:481
293699301,4cyclictest81rcu_preempt23:50:131
2936993010,4cyclictest81rcu_preempt23:03:351
293599303,14cyclictest16019-21python19:55:270
293599301,27cyclictest0-21swapper/000:22:550
71182291,5sleep10-21swapper/119:32:571
293699293,3cyclictest81rcu_preempt00:41:251
293699291,4cyclictest81rcu_preempt19:41:381
293599299,7cyclictest18081-21sed20:00:280
293599294,11cyclictest32343-21grep20:40:160
293599292,14cyclictest2329-21NetworkManager19:36:490
2935992912,5cyclictest3957-21iostat20:50:170
2935992911,6cyclictest10209-21ntp_states19:40:240
131222291,5sleep00-21swapper/019:50:070
293699284,15cyclictest0-21swapper/120:11:571
2936992814,4cyclictest81rcu_preempt20:45:261
2936992814,4cyclictest81rcu_preempt20:45:251
293699281,15cyclictest12188-21gzip19:45:251
2935992811,5cyclictest27126-21ntp_states20:25:230
222432281,5sleep00-21swapper/020:13:460
103632271,5sleep10-21swapper/121:06:131
2936992619,4cyclictest22-21ksoftirqd/119:35:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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