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2026-02-09 - 00:52
[ 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 #c, 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 rackcslot7s.osadl.org (updated Sun Feb 08, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
380517799508501,4cyclictest3839160-21turbostat08:49:552
380518299506498,5cyclictest3854729-21turbostat09:34:553
380518299505498,4cyclictest3882770-21turbostat10:54:543
380518299472449,20cyclictest3896621-21turbostat11:34:553
380518299468445,20cyclictest3894887-21turbostat11:29:553
380517799463454,6cyclictest3844343-21turbostat09:04:552
380518299459452,4cyclictest3853017-21turbostat09:25:003
380518299458450,5cyclictest3902112-21turbostat11:44:593
380517799458451,4cyclictest3810801-21turbostat07:29:552
380517499458450,5cyclictest3821860-21turbostat07:59:551
380518299455448,4cyclictest3858544-21turbostat09:40:003
380518299454447,4cyclictest3832239-21turbostat08:24:593
380518299454446,5cyclictest3835700-21turbostat08:35:003
380517799453445,5cyclictest3827045-21turbostat08:14:552
380518299452445,4cyclictest3887966-21turbostat11:09:553
380518299452442,7cyclictest3847814-21turbostat09:10:003
380518299452428,21cyclictest3887966-21turbostat11:05:003
380518299450443,4cyclictest3877580-21turbostat10:39:553
380518299445438,4cyclictest3821860-21turbostat07:54:593
380518299444437,4cyclictest3862005-21turbostat09:50:003
380518299442434,5cyclictest3877580-21turbostat10:35:003
380518299442434,5cyclictest3877580-21turbostat10:35:003
380518299441434,4cyclictest3842623-21turbostat08:55:013
380518299441434,4cyclictest3833965-21turbostat08:30:013
380518299441433,5cyclictest3900085-21turbostat11:40:003
380518299439432,4cyclictest3851280-21turbostat09:20:013
380518299438430,4cyclictest3816052-21turbostat07:40:013
380518299436429,4cyclictest3917704-21turbostat12:30:013
380518299435427,5cyclictest3840893-21turbostat08:50:003
380518299432423,6cyclictest3814257-21turbostat07:35:003
380518299431422,6cyclictest3816052-21turbostat07:44:563
380518299431411,17cyclictest3872391-21turbostat10:24:553
380518299430421,5cyclictest3882770-21turbostat10:49:593
380518299429421,5cyclictest3858544-21turbostat09:44:563
380518299427420,4cyclictest3907314-21turbostat12:00:013
380518299427391,32cyclictest3865468-21turbostat10:00:003
380518299426418,5cyclictest3870658-21turbostat10:15:003
380518299425416,6cyclictest3902112-21turbostat11:49:553
380518299425416,6cyclictest3819817-21turbostat07:50:003
380518299424388,32cyclictest3875846-21turbostat10:30:003
380518299422413,6cyclictest3872391-21turbostat10:20:003
380518299421412,5cyclictest3846083-21turbostat09:05:003
380518299418411,4cyclictest3828776-21turbostat08:19:543
380518299415405,6cyclictest3919438-21turbostat12:35:003
380518299408400,4cyclictest3914239-21turbostat12:20:003
380517799408385,8cyclictest3837438-21turbostat08:44:552
380518299407385,18cyclictest3863738-21turbostat09:55:003
380517799407400,4cyclictest3805053-21turbostat07:14:552
380518299403396,4cyclictest3889691-21turbostat11:14:543
380517799402394,5cyclictest3879303-21turbostat10:44:552
380518299401377,21cyclictest3823583-21turbostat08:00:003
380518299397388,6cyclictest3915977-21turbostat12:25:013
380518299396389,4cyclictest3909049-21turbostat12:05:013
380518299394382,9cyclictest3809070-21turbostat07:20:003
380518299392383,6cyclictest3837438-21turbostat08:40:003
380517799392369,20cyclictest3917704-21turbostat12:34:562
380518299391383,5cyclictest3903848-21turbostat11:54:553
380517799385378,4cyclictest3865468-21turbostat10:04:552
380518299382375,4cyclictest3881036-21turbostat10:45:003
380518299382375,4cyclictest3847814-21turbostat09:14:543
380517799380372,5cyclictest3842623-21turbostat08:59:552
380518299379371,5cyclictest3886222-21turbostat11:00:013
380518299371364,4cyclictest3828776-21turbostat08:15:003
380517799371347,21cyclictest3893155-21turbostat11:24:552
380518299369362,4cyclictest3921167-21turbostat12:39:593
380517799368360,5cyclictest3833965-21turbostat08:34:562
380518299366360,3cyclictest3894887-21turbostat11:25:003
380518299365359,3cyclictest3910777-21turbostat12:09:593
380518299365358,4cyclictest3823583-21turbostat08:04:553
380517799365358,4cyclictest3812528-21turbostat07:34:552
380518299363356,4cyclictest3867194-21turbostat10:09:563
380518299363356,4cyclictest3867194-21turbostat10:09:563
380518299363355,5cyclictest3844343-21turbostat09:00:003
380517799363354,6cyclictest3912510-21turbostat12:19:542
380517799358351,4cyclictest3907314-21turbostat12:04:562
380517799358330,25cyclictest3891422-21turbostat11:19:552
380518299356348,5cyclictest3812528-21turbostat07:29:593
380518299353344,5cyclictest3839160-21turbostat08:45:003
380517799352346,3cyclictest3862005-21turbostat09:54:552
380518299349326,19cyclictest3854729-21turbostat09:30:003
380518299346339,4cyclictest3910777-21turbostat12:14:553
380518299343335,5cyclictest3809070-21turbostat07:24:553
380517799337329,5cyclictest3886222-21turbostat11:04:552
380518299335328,4cyclictest3806849-21turbostat07:15:013
380518299319312,4cyclictest3825320-21turbostat08:09:563
380518299257249,5cyclictest3893155-21turbostat11:20:003
380518299150134,12cyclictest3867194-21turbostat10:05:003
3804973213372,23sleep30-21swapper/307:09:123
3803563213268,54sleep20-21swapper/207:05:092
384439421200,5sleep14497-21PK-Backend09:00:011
3804721211178,23sleep00-21swapper/007:05:560
3804692210673,23sleep10-21swapper/107:05:321
381888621030,7sleep10-21swapper/107:45:191
1973991020,31rtkit-daemon4497-21PK-Backend09:34:551
38051779910090,7cyclictest3919438-21turbostat12:39:552
38402992990,8sleep14497-21PK-Backend08:45:281
197399910,15rtkit-daemon3888873-21cat11:05:211
197399890,4rtkit-daemon4497-21PK-Backend10:29:511
38418182860,6sleep04497-21PK-Backend08:50:220
197399810,5rtkit-daemon4497-21PK-Backend07:34:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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