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2026-03-04 - 23:26
[ 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 100 highest latencies:
System rack9slot4s (updated Wed Mar 04, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284149911691159,7cyclictest0-21swapper/007:26:410
279712759714,30sleep00-21swapper/007:20:570
274582576530,30sleep10-21swapper/107:20:231
28415992371,5cyclictest0-21swapper/107:26:401
1414521250,8sleep02841499cyclictest11:33:320
98862910,3sleep1211ktimersoftd/110:21:541
32682860,4sleep041ktimersoftd/009:41:260
28415995515,5cyclictest22-21ksoftirqd/110:50:111
28415995512,6cyclictest22-21ksoftirqd/109:16:081
28415995512,6cyclictest22-21ksoftirqd/109:16:071
28415995411,6cyclictest22-21ksoftirqd/112:47:301
82462530,8sleep12841599cyclictest09:46:381
28415995316,6cyclictest22-21ksoftirqd/111:00:261
28415995315,6cyclictest22-21ksoftirqd/111:10:131
28415995314,6cyclictest22-21ksoftirqd/109:40:221
28415995312,6cyclictest22-21ksoftirqd/112:01:261
28415995310,6cyclictest22-21ksoftirqd/110:43:251
28415995215,16cyclictest22-21ksoftirqd/112:25:161
28415995214,5cyclictest22-21ksoftirqd/111:05:111
28415995212,18cyclictest22-21ksoftirqd/109:25:301
2841599516,6cyclictest22-21ksoftirqd/109:33:301
28415995118,4cyclictest22-21ksoftirqd/109:54:441
28415995114,6cyclictest22-21ksoftirqd/109:05:271
28415995113,6cyclictest22-21ksoftirqd/108:30:121
28415995113,6cyclictest22-21ksoftirqd/108:20:251
28415995110,6cyclictest22-21ksoftirqd/110:28:041
28415995020,4cyclictest22-21ksoftirqd/109:10:261
28415995019,8cyclictest22-21ksoftirqd/112:20:151
28415995018,8cyclictest22-21ksoftirqd/110:45:221
28415995017,10cyclictest22-21ksoftirqd/111:45:161
28415995017,10cyclictest22-21ksoftirqd/111:45:151
28415995014,6cyclictest22-21ksoftirqd/112:30:321
28415995012,6cyclictest22-21ksoftirqd/112:40:141
28415995012,6cyclictest22-21ksoftirqd/112:35:101
28415995012,6cyclictest22-21ksoftirqd/110:05:111
28415995012,6cyclictest22-21ksoftirqd/108:55:271
28415994923,4cyclictest22-21ksoftirqd/110:55:141
28415994917,4cyclictest22-21ksoftirqd/109:39:291
28415994916,4cyclictest22-21ksoftirqd/111:16:441
28415994915,6cyclictest22-21ksoftirqd/108:51:411
28415994915,6cyclictest22-21ksoftirqd/108:05:171
28415994914,6cyclictest22-21ksoftirqd/112:13:321
28415994913,18cyclictest22-21ksoftirqd/111:22:001
28415994912,7cyclictest22-21ksoftirqd/110:17:561
2841499491,15cyclictest31687-21ssh10:10:360
28415994818,10cyclictest22-21ksoftirqd/110:00:541
28415994817,9cyclictest22-21ksoftirqd/111:43:301
28415994813,5cyclictest22-21ksoftirqd/108:25:121
28415994812,6cyclictest22-21ksoftirqd/111:25:101
28415994812,6cyclictest22-21ksoftirqd/110:33:261
28415994812,6cyclictest22-21ksoftirqd/110:12:381
28415994812,6cyclictest22-21ksoftirqd/107:45:211
28415994811,6cyclictest22-21ksoftirqd/111:56:001
28415994811,5cyclictest22-21ksoftirqd/112:50:131
28415994811,5cyclictest22-21ksoftirqd/107:50:191
2841499481,17cyclictest0-21swapper/012:54:000
2841599479,6cyclictest22-21ksoftirqd/107:55:111
28415994621,10cyclictest22-21ksoftirqd/111:32:271
2841599461,7cyclictest22-21ksoftirqd/112:08:371
28415994615,10cyclictest22-21ksoftirqd/107:40:191
28415994611,6cyclictest22-21ksoftirqd/108:00:211
28415994611,15cyclictest22-21ksoftirqd/110:39:341
28415994610,6cyclictest22-21ksoftirqd/111:50:361
2841599459,6cyclictest22-21ksoftirqd/107:35:161
2841599458,6cyclictest22-21ksoftirqd/109:58:421
28415994524,10cyclictest22-21ksoftirqd/109:20:251
28415994520,4cyclictest22-21ksoftirqd/108:15:211
28415994510,6cyclictest22-21ksoftirqd/112:18:151
28415994323,4cyclictest22-21ksoftirqd/108:45:251
28415994320,4cyclictest22-21ksoftirqd/111:38:231
2841599426,12cyclictest22-21ksoftirqd/108:40:021
28415994219,4cyclictest22-21ksoftirqd/108:10:211
823524121,14sleep03-21ksoftirqd/009:46:370
2841599419,9cyclictest22-21ksoftirqd/107:30:021
28415994123,4cyclictest22-21ksoftirqd/108:40:151
2841599407,6cyclictest22-21ksoftirqd/109:00:171
2841499398,3cyclictest0-21swapper/012:10:000
2841499381,24cyclictest9298-21ssh10:21:020
2841499361,4cyclictest81rcu_preempt12:25:270
2841499351,30cyclictest12775-21tune2fs10:25:150
2171923510,7sleep03-21ksoftirqd/012:48:390
297932341,29sleep029807-21ssh12:22:560
2841499342,17cyclictest0-21swapper/009:33:000
2841499341,6cyclictest0-21swapper/010:04:430
2841499336,4cyclictest81rcu_preempt10:45:170
2841499335,4cyclictest81rcu_preempt11:18:010
2841499335,15cyclictest24818-21/usr/sbin/munin11:10:290
2841499333,4cyclictest81rcu_preempt12:40:510
2841499333,4cyclictest81rcu_preempt12:34:430
2841499332,7cyclictest0-21swapper/011:21:550
2841499332,4cyclictest81rcu_preempt12:15:160
28414993323,6cyclictest10246-21ssh12:35:290
2841499332,18cyclictest0-21swapper/009:55:030
2841499331,20cyclictest26303-21/usr/sbin/munin11:45:260
2841499331,20cyclictest26303-21/usr/sbin/munin11:45:260
2841499329,11cyclictest17879-21sh11:04:140
2841499327,4cyclictest81rcu_preempt10:15:240
2841499321,5cyclictest0-21swapper/009:14:350
2841499321,29cyclictest0-21swapper/007:47:560
2841499321,18cyclictest0-21swapper/011:25:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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