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2026-01-20 - 01:44
[ 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 #3, slot #3

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 rack3slot3s.osadl.org (updated Tue Jan 20, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2912350212651,70sleep30-21swapper/319:09:103
291213828669,10sleep20-21swapper/219:06:292
290791528352,10sleep10-21swapper/119:05:151
291218727754,6sleep00-21swapper/019:07:070
2912542992318,2cyclictest0-21swapper/300:35:003
2912542992219,1cyclictest0-21swapper/322:45:253
291254299219,3cyclictest0-21swapper/321:22:453
2912542992118,1cyclictest0-21swapper/321:25:133
2912542992118,1cyclictest0-21swapper/320:04:593
291254299207,6cyclictest3249252-21taskset00:25:163
2912542992017,1cyclictest0-21swapper/300:35:233
2912542992017,1cyclictest0-21swapper/300:35:233
291254299201,15cyclictest3013409-21chrt20:40:193
291254299201,15cyclictest0-21swapper/323:23:433
291254299200,17cyclictest0-21swapper/321:45:483
291254299197,1cyclictest0-21swapper/322:10:163
291254299192,11cyclictest2962300-21taskset19:55:103
2912542991916,1cyclictest0-21swapper/322:50:173
2912542991915,2cyclictest0-21swapper/320:45:163
291254299191,14cyclictest3224037-21taskset00:00:223
291254299191,14cyclictest2987940-21taskset20:17:113
291254299191,14cyclictest0-21swapper/320:25:133
291254299191,14cyclictest0-21swapper/319:25:323
291254299190,15cyclictest0-21swapper/322:03:033
2912542991815,1cyclictest0-21swapper/323:40:163
2912542991815,1cyclictest0-21swapper/321:15:183
2912542991815,1cyclictest0-21swapper/319:30:163
2912542991815,1cyclictest0-21swapper/300:10:163
2912542991812,3cyclictest0-21swapper/300:07:483
291254299181,14cyclictest3093135-21chrt21:56:183
291254299181,13cyclictest0-21swapper/323:16:103
291254299181,13cyclictest0-21swapper/323:00:213
30730372171,7sleep23074666-21kthreadcore21:40:142
2912542991715,1cyclictest0-21swapper/321:35:163
2912542991714,1cyclictest0-21swapper/322:15:153
2912542991714,1cyclictest0-21swapper/322:05:243
2912542991714,1cyclictest0-21swapper/321:10:173
2912542991714,1cyclictest0-21swapper/300:20:183
2912542991713,2cyclictest0-21swapper/323:25:173
2912542991713,2cyclictest0-21swapper/322:35:163
2912542991713,2cyclictest0-21swapper/321:00:163
2912542991713,2cyclictest0-21swapper/320:50:163
2912542991711,3cyclictest2956795-21sleep19:50:013
291254299171,12cyclictest0-21swapper/322:40:123
291254299170,13cyclictest0-21swapper/322:20:103
29166232161,10sleep02916711-21ntpq19:10:180
291254299161,9cyclictest3193265-21taskset23:35:063
291254299161,9cyclictest2940998-21taskset19:35:053
2912542991614,1cyclictest0-21swapper/319:40:133
2912542991613,1cyclictest0-21swapper/323:05:163
2912542991613,1cyclictest0-21swapper/321:30:193
2912542991613,1cyclictest0-21swapper/320:35:143
291254299161,12cyclictest3219610-21sleep00:00:013
291254299161,12cyclictest3214352-21turbostat23:55:003
291254299161,12cyclictest0-21swapper/322:58:583
291254299161,12cyclictest0-21swapper/319:10:133
291254299161,11cyclictest3125274-21chrt22:30:093
291254299161,11cyclictest0-21swapper/320:20:113
291254299161,10cyclictest3188026-21chrt23:30:013
291254299161,10cyclictest3077364-21taskset21:44:243
291254299160,13cyclictest0-21swapper/321:05:183
291254299160,13cyclictest0-21swapper/320:55:163
291254299160,10cyclictest2930068-21taskset19:22:243
291254299160,10cyclictest2930068-21taskset19:22:233
29859072150,4sleep2421rcuc/220:15:172
29831892152,8sleep02983208-21apt-get20:15:110
29240552151,10sleep22924103-21/usr/sbin/munin19:15:222
291254299151,9cyclictest3124788-21taskset22:27:253
291254299151,9cyclictest3087973-21taskset21:52:253
2912542991512,2cyclictest0-21swapper/320:10:223
2912542991512,1cyclictest0-21swapper/300:15:163
291254299151,11cyclictest0-21swapper/323:45:123
291254299151,11cyclictest0-21swapper/320:05:173
291254299150,12cyclictest0-21swapper/323:10:263
291254299150,12cyclictest0-21swapper/319:50:133
291254299150,12cyclictest0-21swapper/319:15:213
291254299150,11cyclictest0-21swapper/320:30:183
31147782142,7sleep23114797-21apt-get22:20:112
30204382141,8sleep13020925-21cut20:50:161
31257612131,8sleep23125253-21/usr/sbin/munin22:30:132
30994902131,8sleep13099628-21grep22:05:151
30819722131,4sleep03082182-21grep21:45:260
30301532131,8sleep03030229-21wc21:00:010
29468462131,8sleep02948455-21cut19:40:160
29204822130,8sleep02920906-21cut19:15:160
32469692126,2sleep10-21swapper/100:25:141
32364942121,6sleep03237834-21kthreadcore00:15:150
31892382121,2sleep20-21swapper/223:30:172
31711162120,8sleep23171174-21ntp_offset23:10:212
31452602120,8sleep03145359-21cat22:45:260
30831972121,6sleep03083216-21apt-get21:50:110
30399262121,7sleep23035683-21/usr/sbin/munin21:05:232
30035672120,1sleep10-21swapper/120:30:361
29575852125,3sleep12958360-21kthreadcore19:50:151
29570462120,1sleep20-21swapper/219:50:122
32412282111,6sleep03241406-21expr00:20:130
32291262111,5sleep03229172-21ntpq00:05:210
32262972114,3sleep13227202-21kthreadcore00:05:191
31988062110,2sleep20-21swapper/223:40:102
31781382111,6sleep03179102-21kthreadcore23:20:160
31727152110,7sleep23172884-21if_err_enp1s023:15:142
31030172111,5sleep23103064-21ntpq22:05:202
30605602111,4sleep23060606-21ntpq21:25:202
30209262111,6sleep23022652-21kthreadcore20:50:172
30152522110,7sleep23016126-21kthreadcore20:45:152
29785942111,6sleep20-21swapper/220:10:162
29557922111,4sleep22955841-21ntpq19:45:202
29292732111,5sleep22929323-21ntpq19:20:192
29292732111,5sleep22929323-21ntpq19:20:182
32556652101,4sleep23255721-21ntp_states00:30:212
32504282101,4sleep23250482-21ntpq00:25:202
32195752101,4sleep03219655-21munin-run00:00:010
31670992101,4sleep13167117-21apt-get23:10:121
31623172101,4sleep23162433-21irqstats23:05:152
31530672101,6sleep10-21swapper/122:55:171
31467102101,4sleep13146781-21irqstats22:50:161
31111092101,4sleep03112888-21tr22:15:150
30889482101,5sleep13089113-21tr21:55:171
30711922101,4sleep13071249-21ntpq21:35:211
30628722100,6sleep23064577-21kthreadcore21:30:172
30409362101,4sleep13041192-21df21:10:121
30394902101,4sleep13039631-21ntpq21:05:191
30307252101,4sleep23030938-21hddtemp_smartct21:00:152
30292162101,4sleep23029269-21ntp_states20:55:212
30251622101,4sleep13025415-21df20:55:121
29892962101,2sleep00-21swapper/020:20:170
29725332100,1sleep20-21swapper/220:04:592
29622782101,4sleep22962297-21apt-get19:55:102
29505492101,3sleep12950620-21find19:40:251
29410052101,3sleep02941024-21apt-get19:35:120
29397462101,4sleep12939795-21ntpq19:30:201
29349072101,4sleep22935138-21users19:25:272
3245286291,4sleep23245403-21sendmail_mailqu00:20:232
3241408291,4sleep13241500-21cat00:20:141
3219884291,3sleep03219902-21apt-get00:00:130
3209366291,3sleep03209385-21apt-get23:50:110
3201542291,4sleep03202659-21memory23:40:170
3188039291,2sleep10-21swapper/123:30:111
3187053291,4sleep23182802-21/usr/sbin/munin23:25:242
3170942291,4sleep03171066-21ntpq23:10:180
3141479291,4sleep23141555-21kernelversion22:45:152
3120591291,4sleep03121529-21kthreadcore22:25:130
3103379291,4sleep03103623-21users22:05:250
3067703291,4sleep03069025-21tr21:35:160
3061847290,3sleep10-21swapper/121:30:111
3061479290,2sleep10-21swapper/121:28:401
3050145291,3sleep03050195-21ntpq21:15:200
3041464291,4sleep03042112-21tr21:10:140
3014369291,4sleep03014370-21sshd20:44:180
2988750291,4sleep22988980-21basename20:20:152
2981892291,4sleep12981943-21ntpq20:10:201
2971376291,3sleep12971517-21ntpq20:00:171
2967279292,3sleep0248-21systemd-journal20:00:010
2935771291,3sleep02935789-21apt-get19:30:100
2920907291,4sleep12922599-21cut19:15:171
3231190281,3sleep13231436-21grep00:10:161
3230660281,2sleep00-21swapper/000:10:030
3225427281,3sleep23225526-21fschecks_time00:05:162
3219296280,1sleep20-21swapper/223:56:302
3214340281,3sleep13214447-21date23:55:001
3213393280,3sleep23213447-21ntpq23:50:202
3193564281,3sleep23193778-21smartctl23:35:142
3179105281,4sleep13180890-21cut23:20:171
3162153280,1sleep10-21swapper/123:05:151
3157810281,3sleep03159517-21kthreadcore23:00:170
3156372281,3sleep00-21swapper/023:00:010
3150278281,4sleep03150367-21uname22:50:230
3140358280,1sleep00-21swapper/022:40:290
3132584280,4sleep13134287-21cat22:35:161
3131089281,3sleep03132581-21kthreadcore22:35:150
3124718280,1sleep20-21swapper/222:26:322
3117268281,3sleep03118607-21memory22:20:170
3105858281,3sleep23107634-21kthreadcore22:10:172
3104822281,3sleep13105856-21cut22:10:161
3089114281,3sleep23090773-21grep21:55:182
3082662281,3sleep23083017-21grep21:50:012
3072425280,2sleep10-21swapper/121:40:091
2998059280,1sleep10-21swapper/120:25:261
2990999281,3sleep12992286-21memory20:20:181
2987851280,1sleep10-21swapper/120:16:051
2972960280,3sleep02973083-21diskstats20:05:140
2939798281,2sleep22939851-21ntpq19:30:212
2914188280,4sleep20-21swapper/219:10:162
3256364270,1sleep00-21swapper/000:31:590
3230695271,2sleep20-21swapper/200:10:132
3224798270,1sleep20-21swapper/200:03:592
3224720270,1sleep10-21swapper/100:03:031
3218702271,3sleep10-21swapper/123:55:251
3209068270,1sleep00-21swapper/023:49:310
3204659270,4sleep20-21swapper/223:45:162
3193012270,1sleep00-21swapper/023:34:590
3187617270,1sleep00-21swapper/023:28:030
3182430270,1sleep20-21swapper/223:23:362
3177114270,1sleep00-21swapper/023:17:530
3163550271,2sleep00-21swapper/023:05:180
3161434270,1sleep10-21swapper/123:02:551
3160468271,2sleep20-21swapper/223:00:192
3146782271,2sleep20-21swapper/222:50:172
3140526270,1sleep20-21swapper/222:42:402
3135170270,1sleep20-21swapper/222:36:052
3098397270,1sleep20-21swapper/222:00:542
3096836271,2sleep10-21swapper/122:00:181
3093428271,3sleep03093498-21systemd-run22:00:010
3088178271,2sleep10-21swapper/121:55:001
3072129270,1sleep20-21swapper/221:39:512
3066659270,1sleep00-21swapper/021:32:190
3056159270,1sleep00-21swapper/021:22:490
3051900271,2sleep20-21swapper/221:20:152
3050811270,1sleep20-21swapper/221:16:182
3008465271,3sleep23008656-21timerwakeupswit20:35:252
3005053271,2sleep10-21swapper/120:35:161
3004189271,2sleep00-21swapper/020:35:110
3003878270,1sleep20-21swapper/220:34:222
2998442270,4sleep00-21swapper/020:27:020
2982629270,1sleep00-21swapper/020:11:150
2972476271,3sleep02972477-21sshd20:04:180
2951773270,2sleep10-21swapper/119:45:111
2951006270,1sleep20-21swapper/219:42:072
2944991270,3sleep12945045-21ntpq19:35:211
2943999270,4sleep20-21swapper/219:35:182
2935251270,1sleep1331ktimers/119:26:481
2916718270,2sleep12916767-21ntpq19:10:191
3261528260,1sleep20-21swapper/200:36:222
3261528260,1sleep20-21swapper/200:36:212
3259913261,2sleep10-21swapper/100:35:171
3259913261,2sleep10-21swapper/100:35:161
3246769261,2sleep03246966-21if_enp1s000:25:130
3239662260,2sleep23239865-21strings00:15:182
3237837261,2sleep10-21swapper/100:15:161
3208059260,2sleep10-21swapper/123:45:191
3197555261,2sleep10-21swapper/123:35:251
3193875261,2sleep00-21swapper/023:35:160
3177095260,4sleep10-21swapper/123:17:381
3151705261,2sleep20-21swapper/222:55:132
3144741261,2sleep10-21swapper/122:45:181
3140359260,1sleep10-21swapper/122:40:301
3125548261,2sleep10-21swapper/122:30:121
3119505260,1sleep10-21swapper/122:21:421
3113443261,2sleep20-21swapper/222:15:182
3108893260,4sleep00-21swapper/022:10:350
3095077260,2sleep00-21swapper/022:00:170
3087959260,1sleep20-21swapper/221:52:172
3051685260,2sleep13051899-21smartctl21:20:131
3046395261,2sleep10-21swapper/121:15:131
3045656260,1sleep20-21swapper/221:12:302
3040479260,1sleep00-21swapper/021:07:510
3035149260,4sleep00-21swapper/021:01:330
3035097260,4sleep10-21swapper/121:00:541
3014107260,1sleep10-21swapper/120:40:581
3009740260,2sleep20-21swapper/220:40:152
2998542260,4sleep20-21swapper/220:28:172
2977721261,2sleep10-21swapper/120:10:001
2972793260,1sleep20-21swapper/220:05:122
2956687260,1sleep00-21swapper/019:49:030
2930197260,1sleep10-21swapper/119:24:031
2930197260,1sleep10-21swapper/119:24:021
3256886250,1sleep00-21swapper/000:35:120
3256886250,1sleep00-21swapper/000:35:120
3251676250,1sleep10-21swapper/100:30:121
3187593251,2sleep12912537-21cyclictest23:27:441
3125245250,3sleep00-21swapper/022:30:030
3124032250,1sleep10-21swapper/122:25:181
3081797250,1sleep10-21swapper/121:45:231
3060895250,1sleep00-21swapper/021:25:260
3024017250,1sleep00-21swapper/020:50:230
2934525250,2sleep00-21swapper/019:25:220
2928629250,2sleep00-21swapper/019:20:170
2928629250,2sleep00-21swapper/019:20:160
3202660240,1sleep10-21swapper/123:40:171
3109787240,1sleep10-21swapper/122:15:131
3072144240,1sleep00-21swapper/021:40:000
3014971240,1sleep00-21swapper/020:45:140
3014680240,1sleep10-21swapper/120:45:061
2998962240,1sleep00-21swapper/020:30:110
2962577240,1sleep10-21swapper/119:55:131
2957410240,1sleep00-21swapper/019:50:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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