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2026-02-12 - 03:51
[ 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 792 highest latencies:
System rack9slot4s (updated Thu Feb 12, 2026 00:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263709911911158,28cyclictest19088-21unixbench_singl23:40:301
263699911571110,34cyclictest27337-21ntp_states19:25:250
263709910901063,23cyclictest26926-21fschecks_time19:25:161
261142562517,30sleep00-21swapper/019:22:590
262162540488,31sleep10-21swapper/119:24:021
2636999254228,21cyclictest19088-21sed23:40:290
254052950,5sleep0111rcuc/021:34:100
85192880,4sleep00-21swapper/000:04:030
270782740,4sleep1201rcuc/120:50:141
2637099723,13cyclictest0-21swapper/122:15:181
252042700,5sleep1201rcuc/121:33:541
2637099686,5cyclictest0-21swapper/123:32:161
157222670,4sleep041ktimersoftd/000:45:110
157222670,4sleep041ktimersoftd/000:45:110
2637099632,56cyclictest30856-21diskstats21:00:161
2637099632,10cyclictest0-21swapper/121:22:401
2637099622,5cyclictest0-21swapper/122:24:431
2637099611,7cyclictest6443-21diskmemload21:14:421
2637099602,15cyclictest0-21swapper/121:49:321
26370996013,6cyclictest22-21ksoftirqd/123:27:321
26370995916,38cyclictest27578-21runrttasks22:43:021
26370995911,43cyclictest0-21swapper/100:19:241
2637099582,14cyclictest16189-21ssh21:57:411
2637099581,15cyclictest3084-21grep19:45:211
2637099579,8cyclictest2206-21dbus-daemon21:39:221
2637099564,8cyclictest29097-21diskstats00:25:141
2637099562,15cyclictest29562-21ssh23:18:481
26370995612,3cyclictest0-21swapper/100:44:451
26370995611,4cyclictest0-21swapper/100:00:021
26370995610,11cyclictest1703-21diskmemload23:47:351
2637099557,14cyclictest0-21swapper/122:12:381
2637099553,9cyclictest31624-21ntp_states23:20:231
2637099551,18cyclictest24878-21cat20:45:011
2637099551,14cyclictest32667-21cstates21:05:121
26370995511,4cyclictest0-21swapper/121:17:191
2637099542,11cyclictest0-21swapper/100:33:281
26370995412,4cyclictest0-21swapper/123:36:001
26370995410,4cyclictest0-21swapper/122:02:451
2637099539,12cyclictest0-21swapper/121:26:031
2637099532,18cyclictest0-21swapper/122:57:351
2637099531,4cyclictest14948-21ssh23:03:361
26370995310,4cyclictest0-21swapper/122:34:041
2637099526,13cyclictest0-21swapper/100:45:351
2637099526,13cyclictest0-21swapper/100:45:341
2637099522,17cyclictest0-21swapper/100:05:361
2637099521,6cyclictest6084-21/usr/sbin/munin00:35:281
2637099521,47cyclictest31961-21ssh22:47:221
26370995213,4cyclictest0-21swapper/121:43:281
26370995212,5cyclictest32316-21cstates23:55:101
26370995212,5cyclictest17392-21switchtime23:05:271
2637099521,12cyclictest27448-21grep23:50:111
2637099521,10cyclictest0-21swapper/121:50:081
2637099518,12cyclictest0-21swapper/122:07:161
2637099512,16cyclictest6796-21/usr/sbin/munin19:55:211
2637099511,20cyclictest0-21swapper/122:35:341
26370995111,9cyclictest0-21swapper/122:53:211
2637099506,11cyclictest0-21swapper/100:14:421
2637099506,11cyclictest0-21swapper/100:14:421
2637099503,7cyclictest10419-21hddtemp_smartct22:25:181
2637099503,5cyclictest0-21swapper/123:10:061
2637099502,9cyclictest0-21swapper/100:20:111
291082491,3sleep029255-21fschecks_time00:25:160
2637099498,12cyclictest30497-21gdbus20:18:301
2637099492,12cyclictest0-21swapper/120:10:501
2637099491,8cyclictest20369-21expr00:50:111
2637099491,8cyclictest10191-21tune2fs20:05:141
26370994911,5cyclictest32487-21runrttasks19:38:421
2637099484,9cyclictest4508-21diskstats19:50:141
2637099482,14cyclictest29534-21/usr/sbin/munin19:30:171
26370994811,4cyclictest3302-21runrttasks20:47:191
26370994810,4cyclictest0-21swapper/120:59:301
2637099475,9cyclictest8670-21memory20:00:221
2637099473,7cyclictest21430-21diskstats20:35:141
2637099472,14cyclictest16670-21/usr/sbin/munin20:20:291
2637099472,14cyclictest16670-21/usr/sbin/munin20:20:281
2637099471,13cyclictest20966-21taskset20:34:581
2637099465,14cyclictest0-21swapper/119:40:151
2637099461,15cyclictest18248-21/usr/sbin/munin20:25:251
74912391,4sleep07503-21ssh21:49:060
2636999396,29cyclictest3302-21runrttasks21:10:360
26369993914,21cyclictest9322-21ls23:30:300
2636999391,35cyclictest0-21swapper/023:04:360
2636999383,21cyclictest3080-21needreboot19:45:200
26369993826,7cyclictest28545-21ssh23:17:180
95242370,22sleep03-21ksoftirqd/022:24:530
2636999373,31cyclictest0-21swapper/019:59:360
2636999372,20cyclictest0-21swapper/000:33:090
2636999371,33cyclictest0-21swapper/022:53:560
298672360,4sleep041ktimersoftd/022:11:320
28882360,3sleep02898-21ssh21:44:250
2636999362,12cyclictest0-21swapper/021:19:370
2636999358,4cyclictest0-21swapper/022:18:120
2636999358,23cyclictest0-21swapper/000:20:560
26369993526,5cyclictest0-21swapper/020:15:160
2636999351,30cyclictest6486-21fschecks_count00:35:150
122402351,4sleep012256-21ssh00:07:270
2636999349,13cyclictest0-21swapper/022:55:070
2636999345,5cyclictest81rcu_preempt22:34:140
2636999344,4cyclictest81rcu_preempt00:42:410
2636999342,28cyclictest0-21swapper/021:50:360
26369993416,5cyclictest21154-21cron21:30:010
2636999338,12cyclictest23522-21if_eth022:05:180
2636999335,4cyclictest81rcu_preempt21:20:090
2636999335,4cyclictest81rcu_preempt00:50:100
2636999335,20cyclictest23155-21iostat_ios23:45:200
2636999334,4cyclictest81rcu_preempt23:10:220
2636999334,4cyclictest81rcu_preempt23:06:520
2636999333,4cyclictest81rcu_preempt21:39:560
26369993325,4cyclictest32337-21ssh22:47:550
26369993319,5cyclictest3-21ksoftirqd/020:51:140
26369993311,5cyclictest29243-21ssh23:51:130
246792330,8sleep02636999cyclictest22:40:130
186912331,4sleep018705-21ssh00:14:500
186912331,4sleep018705-21ssh00:14:500
2636999328,4cyclictest81rcu_preempt22:25:360
2636999324,4cyclictest81rcu_preempt00:16:370
2636999323,4cyclictest81rcu_preempt23:38:480
26369993225,5cyclictest0-21swapper/020:03:550
2636999322,4cyclictest81rcu_preempt22:39:230
2636999321,19cyclictest2509-21ssh23:57:290
26369993211,8cyclictest16736-21ssh21:58:300
2636999311,4cyclictest1968-21lldpad23:21:590
2636999311,3cyclictest0-21swapper/023:26:360
26369993112,6cyclictest21824-21memory20:35:210
2636999311,19cyclictest19741-21ssh22:00:500
26369993111,6cyclictest18649-21users20:25:290
26369993110,5cyclictest307682grep19:35:010
2636999304,18cyclictest0-21swapper/020:09:540
9342291,3sleep0938-21irqstats19:40:200
26369992921,4cyclictest29125-21tune2fs20:55:150
2636999292,13cyclictest3302-21runrttasks20:40:430
2636999292,13cyclictest12030-21diskstats20:10:160
169882291,5sleep00-21swapper/020:22:370
169882291,5sleep00-21swapper/020:22:360
2636999282,13cyclictest462-21hddtemp_smartct21:05:160
2636999282,13cyclictest20527-21users20:30:300
2636999281,16cyclictest0-21swapper/019:50:120
2636999281,15cyclictest25716-21ntp_kernel_pll_20:45:230
26369992617,6cyclictest3-21ksoftirqd/021:00:490
2636999251,15cyclictest0-21swapper/019:37:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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