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2026-01-25 - 20:06
[ 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 Sun Jan 25, 2026 12:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139859912291189,36cyclictest30273-21kworker/0:107:25:230
139869911801161,16cyclictest0-21swapper/107:25:201
139869911421133,6cyclictest0-21swapper/109:30:261
137022519474,31sleep10-21swapper/107:22:411
136792464417,31sleep00-21swapper/007:22:250
1398599115108,4cyclictest10346-21ssh09:30:260
278072940,3sleep127806-21ssh10:22:061
273202770,4sleep041ktimersoftd/012:02:020
192482730,2sleep019247-21ssh10:13:390
43042700,3sleep1211ktimersoftd/111:05:111
183922700,4sleep0111rcuc/009:39:290
230022550,2sleep123003-21switchtime10:50:271
304842510,7sleep01398599cyclictest09:50:590
118142500,3sleep111816-21rm10:05:261
97992460,8sleep11398699cyclictest12:52:031
13985994418,16cyclictest3-21ksoftirqd/010:09:080
13985994324,8cyclictest3-21ksoftirqd/012:28:020
13985994323,5cyclictest3-21ksoftirqd/010:01:120
13985994222,5cyclictest3-21ksoftirqd/009:29:390
13985994125,5cyclictest3-21ksoftirqd/012:20:160
13985994125,5cyclictest3-21ksoftirqd/010:48:120
13985994124,6cyclictest3-21ksoftirqd/012:31:330
13985994124,5cyclictest3-21ksoftirqd/010:35:390
13985994121,5cyclictest3-21ksoftirqd/011:35:400
13985994121,5cyclictest3-21ksoftirqd/009:21:390
1398599411,36cyclictest0-21swapper/011:24:360
1398699401,34cyclictest111-21usb-storage09:20:151
13985994024,6cyclictest3-21ksoftirqd/012:44:500
13985994024,5cyclictest3-21ksoftirqd/012:18:190
13985994024,5cyclictest3-21ksoftirqd/012:18:180
13985994022,8cyclictest3-21ksoftirqd/011:17:540
54272391,3sleep15437-21ssh12:13:101
200182391,34sleep12403-21irqbalance07:37:061
166282391,34sleep116638-21ssh10:44:531
155782396,29sleep115588-21ssh11:16:081
13985993922,5cyclictest3-21ksoftirqd/009:58:350
13985993920,9cyclictest3-21ksoftirqd/010:26:300
13985993918,8cyclictest3-21ksoftirqd/010:54:230
13985993823,5cyclictest3-21ksoftirqd/011:30:230
13985993823,5cyclictest3-21ksoftirqd/011:28:240
13985993822,6cyclictest3-21ksoftirqd/008:20:210
13985993822,5cyclictest3-21ksoftirqd/011:41:360
13985993822,5cyclictest3-21ksoftirqd/011:41:360
13985993819,9cyclictest3-21ksoftirqd/012:45:430
13986993718,15cyclictest22-21ksoftirqd/109:05:111
13986993718,15cyclictest22-21ksoftirqd/109:05:101
13985993722,5cyclictest3-21ksoftirqd/011:48:570
13985993722,5cyclictest3-21ksoftirqd/010:24:170
13985993722,5cyclictest3-21ksoftirqd/009:47:170
13985993722,5cyclictest3-21ksoftirqd/009:41:530
13985993722,5cyclictest3-21ksoftirqd/009:16:300
13985993721,6cyclictest3-21ksoftirqd/008:48:300
13985993721,6cyclictest3-21ksoftirqd/007:56:180
13985993720,6cyclictest3-21ksoftirqd/008:35:090
13985993718,8cyclictest3-21ksoftirqd/011:51:040
13985993718,5cyclictest3-21ksoftirqd/011:55:010
13985993715,11cyclictest3-21ksoftirqd/012:51:140
1398699363,6cyclictest0-21swapper/111:38:161
13986993628,5cyclictest0-21swapper/111:58:151
1398699362,30cyclictest0-21swapper/110:30:151
1398699362,30cyclictest0-21swapper/108:30:151
1398599369,11cyclictest16887-21grep07:30:120
13985993621,5cyclictest3-21ksoftirqd/012:14:550
13985993621,5cyclictest3-21ksoftirqd/010:16:230
13985993621,5cyclictest3-21ksoftirqd/009:13:510
13985993621,5cyclictest3-21ksoftirqd/007:41:250
13985993620,5cyclictest3-21ksoftirqd/011:11:210
13985993619,5cyclictest3-21ksoftirqd/010:44:280
13985993618,6cyclictest3-21ksoftirqd/008:02:070
209392350,4sleep020935-21kernelversion09:05:200
209392350,4sleep020935-21kernelversion09:05:200
1398699351,6cyclictest17789-21kworker/1:112:00:551
1398699351,31cyclictest0-21swapper/111:29:351
13986993510,10cyclictest10117-21ls08:35:261
13985993521,4cyclictest3-21ksoftirqd/011:00:160
13985993519,6cyclictest3-21ksoftirqd/008:26:340
13985993519,5cyclictest3-21ksoftirqd/011:07:470
13985993519,5cyclictest3-21ksoftirqd/008:41:590
1398699348,5cyclictest81rcu_preempt10:46:151
1398699345,26cyclictest22-21ksoftirqd/112:42:301
13986993427,4cyclictest0-21swapper/110:04:561
13986993425,5cyclictest0-21swapper/109:59:361
1398699342,29cyclictest0-21swapper/112:32:151
13986993422,6cyclictest2148-21cron10:30:001
13985993420,4cyclictest3-21ksoftirqd/010:59:020
13985993419,5cyclictest3-21ksoftirqd/012:36:000
13985993415,5cyclictest3-21ksoftirqd/012:06:220
304172331,3sleep130428-21ssh10:58:511
1398699334,4cyclictest81rcu_preempt11:31:091
1398699334,4cyclictest81rcu_preempt09:37:061
1398699333,27cyclictest0-21swapper/109:19:361
1398699331,9cyclictest23689-21ssh10:18:061
1398699331,4cyclictest81rcu_preempt11:20:591
1398699331,30cyclictest0-21swapper/108:17:551
1398699331,29cyclictest0-21swapper/111:48:551
1398699331,16cyclictest0-21swapper/112:05:091
13985993318,5cyclictest3-21ksoftirqd/008:12:430
13985993318,5cyclictest3-21ksoftirqd/007:53:560
13985993316,6cyclictest3-21ksoftirqd/008:05:050
93582321,4sleep19372-21ssh11:44:011
93582321,4sleep19372-21ssh11:44:001
1398699326,4cyclictest81rcu_preempt09:44:461
1398699324,4cyclictest81rcu_preempt11:12:191
1398699324,4cyclictest81rcu_preempt11:01:531
13986993224,6cyclictest0-21swapper/108:57:161
13986993215,13cyclictest3302-21runrttasks11:50:051
1398699321,4cyclictest81rcu_preempt08:42:011
13985993216,5cyclictest3-21ksoftirqd/007:49:570
50732311,5sleep10-21swapper/108:24:331
1398699316,4cyclictest81rcu_preempt09:10:211
1398699314,4cyclictest81rcu_preempt07:53:591
1398699313,4cyclictest81rcu_preempt12:16:261
1398699313,4cyclictest81rcu_preempt12:16:261
1398699312,5cyclictest81rcu_preempt09:50:261
13986993122,5cyclictest0-21swapper/112:37:361
1398699311,4cyclictest81rcu_preempt09:27:551
1398699311,4cyclictest81rcu_preempt08:50:111
13985993116,5cyclictest3-21ksoftirqd/008:51:570
13985993111,7cyclictest3-21ksoftirqd/010:33:460
277332301,5sleep10-21swapper/107:56:551
1398699301,5cyclictest81rcu_preempt12:22:571
1398699301,4cyclictest81rcu_preempt10:35:041
1398699300,4cyclictest81rcu_preempt10:14:401
86672291,5sleep00-21swapper/008:32:570
69782291,5sleep10-21swapper/108:29:541
58632291,3sleep15873-21ssh12:47:241
1398699292,22cyclictest14536-21munin-run08:50:001
1398699291,4cyclictest81rcu_preempt07:41:091
1398699291,15cyclictest25233-21grep09:45:281
1398699291,13cyclictest32620-21ls08:10:211
1398599299,9cyclictest0-21swapper/007:35:250
1398599292,13cyclictest2230-21ntp_states08:15:220
13985992914,5cyclictest3-21ksoftirqd/009:02:070
197512281,5sleep10-21swapper/109:00:401
1398699282,5cyclictest40550irq/92-i91512:25:201
1398699282,21cyclictest0-21swapper/107:48:121
1398699281,24cyclictest111-21usb-storage07:33:571
1398599281,8cyclictest18297-21pidof09:00:000
315682271,5sleep10-21swapper/108:07:291
295412271,5sleep10-21swapper/108:00:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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