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2026-03-05 - 08:46
[ 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 #7

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 rack7slot7s.osadl.org (updated Thu Mar 05, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2632221330,0sleep00-21swapper/023:26:580
3041829986,9sleep00-21swapper/019:09:390
3027629166,9sleep30-21swapper/319:07:503
3024328269,9sleep20-21swapper/219:07:242
3040227659,13sleep10-21swapper/119:09:281
3052899310,26cyclictest0-21swapper/023:09:480
30532992827,1cyclictest0-21swapper/100:38:041
3052899280,27cyclictest0-21swapper/022:40:260
3052899280,1cyclictest0-21swapper/023:10:120
3052899271,25cyclictest0-21swapper/020:00:150
3052899271,20cyclictest23113-21diskmemload21:45:160
3052899270,20cyclictest0-21swapper/000:05:110
3052899270,0cyclictest0-21swapper/023:17:570
3052899270,0cyclictest0-21swapper/000:27:280
3053899262,1cyclictest141rcu_preempt22:00:443
3053899260,1cyclictest0-21swapper/300:38:043
3052899261,24cyclictest23113-21diskmemload00:36:400
3052899261,19cyclictest23113-21diskmemload23:49:310
3052899260,25cyclictest23113-21diskmemload21:34:420
3052899260,25cyclictest0-21swapper/022:00:150
3052899260,22cyclictest0-21swapper/021:43:360
3053899253,21cyclictest1449-21ssh00:30:033
3053899250,24cyclictest0-21swapper/323:01:503
3053299250,1cyclictest0-21swapper/122:54:201
3052899252,22cyclictest23113-21diskmemload21:51:050
3052899252,20cyclictest23113-21diskmemload23:30:240
3052899252,19cyclictest0-21swapper/023:20:130
3052899251,21cyclictest23113-21diskmemload22:52:490
3052899251,21cyclictest0-21swapper/022:55:210
3052899250,20cyclictest0-21swapper/022:15:250
3052899250,1cyclictest0-21swapper/022:10:120
30538992423,1cyclictest0-21swapper/322:12:133
3053899241,1cyclictest141rcu_preempt22:59:383
30536992421,2cyclictest6560-21apache221:55:052
3053299240,3cyclictest0-21swapper/119:20:101
3053299240,23cyclictest0-21swapper/100:11:511
3052899240,23cyclictest0-21swapper/023:55:120
3052899240,1cyclictest0-21swapper/022:05:310
3052899240,19cyclictest0-21swapper/000:24:130
3052899240,18cyclictest0-21swapper/022:26:360
3052899240,14cyclictest0-21swapper/019:20:090
3053899230,1cyclictest0-21swapper/321:42:423
3053899230,0cyclictest141rcu_preempt21:25:473
30536992321,1cyclictest6568-21apache223:47:252
30536992321,1cyclictest6560-21apache223:28:222
30536992321,1cyclictest6560-21apache200:04:142
30536992320,2cyclictest6568-21apache223:19:092
3053299230,23cyclictest0-21swapper/123:48:231
3053299230,1cyclictest0-21swapper/123:55:221
3053299230,1cyclictest0-21swapper/123:08:551
30528992321,1cyclictest6568-21apache221:27:070
30528992321,1cyclictest6560-21apache223:42:130
3052899231,21cyclictest23113-21diskmemload22:48:060
3052899231,20cyclictest23113-21diskmemload23:52:420
3052899231,20cyclictest23113-21diskmemload22:22:550
3052899231,19cyclictest9672-21sed00:34:590
3052899230,4cyclictest23113-21diskmemload22:30:470
3053899223,19cyclictest23113-21diskmemload21:58:313
30538992216,4cyclictest39-21ksoftirqd/323:42:383
3053899221,13cyclictest141rcu_preempt22:45:423
30536992220,1cyclictest6568-21apache223:50:492
30536992220,1cyclictest6568-21apache222:57:452
30536992220,1cyclictest6568-21apache222:47:412
30536992220,1cyclictest6560-21apache223:01:212
30536992220,1cyclictest6560-21apache200:08:062
30536992219,2cyclictest30537-21apache200:12:402
3053299223,1cyclictest141rcu_preempt00:34:051
3053299221,20cyclictest23113-21diskmemload22:12:291
3053299220,3cyclictest0-21swapper/123:01:501
3053299220,2cyclictest0-21swapper/122:05:471
3052899226,15cyclictest328-21gltestperf21:15:160
3052899222,16cyclictest2021-21fschecks_time21:55:160
30528992220,1cyclictest6568-21apache200:02:360
3052899221,20cyclictest23113-21diskmemload22:35:290
3052899221,20cyclictest23113-21diskmemload22:35:290
3052899220,3cyclictest0-21swapper/019:40:130
3052899220,22cyclictest23113-21diskmemload23:00:440
3052899220,1cyclictest0-21swapper/000:17:400
30538992117,3cyclictest39-21ksoftirqd/323:58:533
30536992119,1cyclictest6568-21apache222:54:332
30536992119,1cyclictest6568-21apache222:35:062
30536992119,1cyclictest6568-21apache222:35:052
30536992119,1cyclictest6568-21apache222:31:062
30536992119,1cyclictest6560-21apache223:44:282
30536992119,1cyclictest6560-21apache223:22:572
30536992119,1cyclictest6560-21apache222:19:542
30536992119,1cyclictest6560-21apache222:02:012
30536992119,1cyclictest6560-21apache221:22:172
30536992119,1cyclictest30537-21apache200:34:342
30536992119,1cyclictest30537-21apache200:17:232
3053299219,2cyclictest25-21ksoftirqd/122:47:041
3053299211,19cyclictest6440-21kernelversion19:25:171
3053299210,3cyclictest0-21swapper/122:25:151
3052899212,18cyclictest0-21swapper/021:25:010
3052899211,18cyclictest23113-21diskmemload21:10:170
3052899210,20cyclictest8429-21expr23:35:240
3053899202,1cyclictest141rcu_preempt22:37:033
3053899202,1cyclictest141rcu_preempt22:37:033
30538992015,4cyclictest39-21ksoftirqd/321:30:163
30536992018,1cyclictest6568-21apache223:09:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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