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2026-02-21 - 19:47
[ 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 Feb 21, 2026 12:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7529912511217,18cyclictest0-21swapper/007:26:460
7539911091100,6cyclictest0-21swapper/107:26:501
3022565519,31sleep10-21swapper/107:20:561
327632562517,30sleep00-21swapper/007:20:500
310712760,4sleep041ktimersoftd/011:12:140
101332570,5sleep110121-21ssh12:30:291
306422500,3sleep0111rcuc/011:45:200
255222460,7sleep175399cyclictest12:13:561
752994525,5cyclictest3-21ksoftirqd/012:40:360
752994424,8cyclictest3-21ksoftirqd/012:00:300
194712440,5sleep1211ktimersoftd/112:07:101
75299439,30cyclictest0-21swapper/010:15:160
752994324,9cyclictest3-21ksoftirqd/009:39:490
752994323,9cyclictest3-21ksoftirqd/010:20:190
75399416,4cyclictest81rcu_preempt11:13:321
752994126,5cyclictest3-21ksoftirqd/009:50:210
752994124,5cyclictest3-21ksoftirqd/010:02:370
752994123,5cyclictest3-21ksoftirqd/012:06:570
752994121,8cyclictest3-21ksoftirqd/010:06:340
112072410,2sleep00-21swapper/007:50:120
752994026,4cyclictest3-21ksoftirqd/011:18:330
752994025,5cyclictest3-21ksoftirqd/010:47:390
752994024,5cyclictest3-21ksoftirqd/010:13:050
752994023,6cyclictest3-21ksoftirqd/010:55:280
752994023,6cyclictest3-21ksoftirqd/009:59:400
752994022,8cyclictest3-21ksoftirqd/012:31:100
75399392,34cyclictest0-21swapper/110:20:561
753993910,4cyclictest81rcu_preempt10:48:441
752993924,5cyclictest3-21ksoftirqd/009:31:510
752993923,5cyclictest3-21ksoftirqd/009:15:370
752993923,4cyclictest3-21ksoftirqd/012:11:110
752993922,6cyclictest3-21ksoftirqd/011:05:500
752993922,6cyclictest3-21ksoftirqd/008:50:250
752993922,5cyclictest3-21ksoftirqd/008:59:120
752993921,8cyclictest3-21ksoftirqd/011:29:000
752993920,8cyclictest3-21ksoftirqd/012:23:400
752993917,12cyclictest3-21ksoftirqd/012:15:060
75399386,4cyclictest81rcu_preempt11:20:371
752993824,4cyclictest3-21ksoftirqd/010:54:290
752993823,5cyclictest3-21ksoftirqd/012:37:110
752993823,5cyclictest3-21ksoftirqd/012:29:130
752993823,5cyclictest3-21ksoftirqd/010:40:240
752993823,5cyclictest3-21ksoftirqd/010:36:330
752993823,5cyclictest3-21ksoftirqd/009:11:420
752993818,8cyclictest3-21ksoftirqd/009:41:400
752993818,8cyclictest3-21ksoftirqd/009:25:480
752993818,10cyclictest3-21ksoftirqd/011:36:180
75399378,4cyclictest81rcu_preempt11:02:571
752993723,4cyclictest3-21ksoftirqd/010:32:560
752993723,4cyclictest3-21ksoftirqd/010:25:440
752993723,4cyclictest3-21ksoftirqd/009:47:470
752993722,5cyclictest3-21ksoftirqd/011:56:330
752993722,5cyclictest3-21ksoftirqd/011:56:320
752993721,6cyclictest3-21ksoftirqd/008:30:080
752993718,8cyclictest3-21ksoftirqd/011:24:190
752993717,9cyclictest3-21ksoftirqd/011:00:220
752993717,8cyclictest3-21ksoftirqd/011:50:310
299732371,32sleep029983-21ssh12:53:050
75399366,27cyclictest22032-21sh09:22:561
753993623,9cyclictest0-21swapper/111:07:351
75399362,30cyclictest0-21swapper/112:01:361
75399361,6cyclictest4590-21ssh11:51:351
75399361,5cyclictest15116-21ssh12:35:361
75399361,4cyclictest81rcu_preempt11:45:321
752993618,8cyclictest3-21ksoftirqd/011:43:030
752993618,8cyclictest3-21ksoftirqd/009:20:250
752993616,8cyclictest3-21ksoftirqd/011:32:310
75399353,6cyclictest0-21swapper/109:48:551
75399353,30cyclictest0-21swapper/108:32:561
753993510,4cyclictest81rcu_preempt10:50:341
752993520,6cyclictest3-21ksoftirqd/007:58:580
752993519,5cyclictest3-21ksoftirqd/008:23:350
752993519,5cyclictest3-21ksoftirqd/007:49:500
752993518,6cyclictest3-21ksoftirqd/008:37:150
75399348,22cyclictest0-21swapper/110:39:321
75399347,4cyclictest81rcu_preempt11:25:361
75399346,18cyclictest0-21swapper/109:59:341
75399345,4cyclictest81rcu_preempt09:15:501
75399342,29cyclictest0-21swapper/112:16:561
75399342,29cyclictest0-21swapper/109:54:571
75399342,28cyclictest0-21swapper/109:11:361
75399341,11cyclictest81rcu_preempt12:54:291
752993420,4cyclictest3-21ksoftirqd/012:46:160
288272342,28sleep128229-21/usr/sbin/munin08:35:211
75399335,4cyclictest81rcu_preempt10:07:381
75399334,5cyclictest81rcu_preempt11:39:461
75399334,4cyclictest81rcu_preempt11:56:571
75399334,4cyclictest81rcu_preempt11:56:561
75399334,4cyclictest81rcu_preempt09:39:051
75399333,4cyclictest81rcu_preempt12:25:381
753993328,3cyclictest22-21ksoftirqd/109:40:131
75399332,4cyclictest81rcu_preempt12:24:321
75399331,4cyclictest81rcu_preempt11:40:291
75399331,4cyclictest81rcu_preempt08:08:031
75399331,3cyclictest0-21swapper/110:43:351
75399331,16cyclictest3045-21chrt08:52:581
75299334,4cyclictest81rcu_preempt08:25:110
752993318,5cyclictest3-21ksoftirqd/007:42:570
752993317,5cyclictest3-21ksoftirqd/008:14:540
187722331,4sleep118789-21ssh12:40:151
75399322,4cyclictest22-21ksoftirqd/108:03:071
753993223,5cyclictest7194-21ssh10:14:581
75399321,5cyclictest0-21swapper/111:18:151
75399321,5cyclictest0-21swapper/108:55:351
75399321,4cyclictest81rcu_preempt09:25:591
75399321,29cyclictest0-21swapper/107:48:561
753993210,5cyclictest22-21ksoftirqd/112:45:031
75399320,4cyclictest81rcu_preempt08:25:421
752993217,5cyclictest3-21ksoftirqd/008:46:050
752993216,6cyclictest3-21ksoftirqd/008:07:510
75299321,3cyclictest0-21swapper/009:04:580
165182321,9sleep00-21swapper/008:02:100
132182321,4sleep113280-21df07:55:131
75399318,6cyclictest30497-21gdbus08:18:441
75399314,4cyclictest81rcu_preempt10:25:271
75399312,4cyclictest81rcu_preempt09:31:371
75399311,4cyclictest81rcu_preempt10:58:351
75399311,3cyclictest0-21swapper/109:01:561
75399311,27cyclictest0-21swapper/107:37:421
752993115,5cyclictest3-21ksoftirqd/007:30:390
75399302,6cyclictest81rcu_preempt10:17:441
753993022,5cyclictest0-21swapper/110:30:161
753993020,6cyclictest16537-21/usr/sbin/munin11:30:251
75399301,4cyclictest81rcu_preempt10:00:271
75399301,4cyclictest81rcu_preempt08:11:431
75399301,4cyclictest81rcu_preempt07:32:531
75399301,27cyclictest0-21swapper/108:48:051
752993015,5cyclictest3-21ksoftirqd/008:16:540
752993010,11cyclictest3-21ksoftirqd/008:42:140
75399292,8cyclictest22-21ksoftirqd/109:08:321
75399291,8cyclictest11432-21fschecks_count07:50:141
75299291,26cyclictest0-21swapper/009:08:160
753992817,7cyclictest2206-21dbus-daemon08:40:311
88772271,5sleep10-21swapper/107:42:571
75299275,6cyclictest5612-21cpu07:35:110
240382271,5sleep10-21swapper/108:22:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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