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2026-02-04 - 14:31
[ 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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  TQ-Systems
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 376 highest latencies:
System rack3slot3s.osadl.org (updated Wed Feb 04, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
331480022590,2sleep03314798-21diskstats11:20:130
2961666213160,66sleep30-21swapper/307:05:113
296631527964,9sleep10-21swapper/107:06:061
296649027754,6sleep00-21swapper/007:08:170
296166527761,10sleep20-21swapper/207:05:102
32913762288,10sleep23293152-21cut11:05:172
2966940992522,1cyclictest0-21swapper/309:05:013
296694099242,17cyclictest3230413-21turbostat10:30:003
2966940992421,1cyclictest0-21swapper/310:15:003
296694099241,19cyclictest3330119-21taskset11:29:103
296694099231,18cyclictest3398139-21taskset12:11:073
296694099231,18cyclictest0-21swapper/311:15:413
296694099222,14cyclictest3168273-21taskset09:50:203
296694099222,13cyclictest3372717-21taskset11:55:363
2966940992219,1cyclictest0-21swapper/312:05:003
2966940992217,2cyclictest0-21swapper/309:24:093
2966940992216,3cyclictest34276852sleep312:30:163
296694099221,3cyclictest0-21swapper/309:16:213
296694099221,17cyclictest3151360-21taskset09:40:183
296694099212,12cyclictest3155773-21taskset09:45:073
2966940992119,1cyclictest0-21swapper/311:00:163
2966940992119,1cyclictest0-21swapper/309:13:223
2966940992118,1cyclictest0-21swapper/311:12:373
2966940992118,1cyclictest0-21swapper/308:05:203
2966940992116,3cyclictest0-21swapper/311:22:453
2966940992116,2cyclictest0-21swapper/309:27:333
2966940992116,2cyclictest0-21swapper/309:27:333
296694099211,17cyclictest3212267-21taskset10:17:423
296694099211,17cyclictest0-21swapper/312:08:353
296694099211,16cyclictest3245320-21taskset10:37:023
31111572202,2sleep00-21swapper/009:17:310
296694099209,8cyclictest3344319-21chrt11:35:313
296694099207,6cyclictest3058737-21taskset08:30:353
296694099202,13cyclictest3331027-21taskset11:30:103
2966940992017,2cyclictest0-21swapper/311:55:003
2966940992017,1cyclictest0-21swapper/308:55:153
296694099201,15cyclictest3255376-21chrt10:44:323
296694099201,14cyclictest3195802-21chrt10:08:043
296694099201,14cyclictest0-21swapper/311:41:343
32961852191,4sleep03096161-21diskmemload11:08:190
31956482191,5sleep23096161-21diskmemload10:07:522
296694099192,12cyclictest3414198-21taskset12:20:293
2966940991916,1cyclictest0-21swapper/308:00:143
2966940991916,1cyclictest0-21swapper/307:10:133
2966940991915,2cyclictest0-21swapper/307:25:173
296694099191,3cyclictest31809132sleep310:00:113
2966940991911,5cyclictest0-21swapper/312:35:113
296694099191,15cyclictest0-21swapper/312:25:213
296694099191,14cyclictest3280312-21chrt10:59:433
296694099191,14cyclictest3236313-21chrt10:31:293
296694099191,13cyclictest0-21swapper/308:40:123
32212572181,12sleep13221271-21ssh10:23:501
32035022181,5sleep03096161-21diskmemload10:12:190
30968562181,6sleep23097029-21sed09:10:152
296694099182,12cyclictest3269677-21taskset10:51:303
296694099182,12cyclictest3053840-21turbostat08:30:003
296694099182,11cyclictest3176906-21taskset09:55:253
2966940991815,1cyclictest0-21swapper/308:10:173
296694099181,14cyclictest0-21swapper/311:45:113
296694099181,14cyclictest0-21swapper/311:05:053
296694099181,14cyclictest0-21swapper/310:47:203
296694099181,14cyclictest0-21swapper/309:31:393
296694099181,13cyclictest3138872-21chrt09:35:013
296694099181,13cyclictest0-21swapper/310:21:423
296694099180,15cyclictest0-21swapper/308:51:283
296694099180,14cyclictest0-21swapper/312:16:013
34342722171,4sleep03096161-21diskmemload12:35:100
33379612171,4sleep03096161-21diskmemload11:33:290
332812121710,2sleep13313235-21kworker/u16:1-rpciod11:26:161
33047312171,10sleep03096161-21diskmemload11:13:360
32468452171,8sleep13246855-21ssh10:39:141
296694099177,7cyclictest3016936-21sleep07:55:003
2966940991714,1cyclictest0-21swapper/308:45:163
2966940991714,1cyclictest0-21swapper/308:20:193
2966940991712,2cyclictest0-21swapper/309:09:123
296694099171,13cyclictest0-21swapper/307:15:153
34071722161,2sleep10-21swapper/112:17:241
33814292160,1sleep20-21swapper/212:01:052
33123912161,5sleep03096161-21diskmemload11:17:330
32687102161,10sleep03268967-21grep10:50:270
32456842161,3sleep20-21swapper/210:37:342
32380252161,10sleep03238038-21ssh10:34:080
31871782161,9sleep03096161-21diskmemload10:02:330
31444682161,10sleep03144481-21sh09:36:230
31294322161,10sleep03129443-21ssh09:29:090
31294322161,10sleep03129443-21ssh09:29:090
296694099161,9cyclictest3038237-21taskset08:15:043
2966940991611,3cyclictest0-21swapper/307:40:093
296694099160,13cyclictest0-21swapper/308:35:173
296694099160,10cyclictest3000785-21taskset07:37:053
33683662151,9sleep13369287-21kthreadcore11:55:151
33393792151,2sleep10-21swapper/111:35:101
33349102151,9sleep13335094-21grep11:30:171
32453732152,8sleep03096161-21diskmemload10:37:080
32113422151,9sleep23211355-21sh10:16:262
32035742151,3sleep23096161-21diskmemload10:12:252
31557622151,2sleep20-21swapper/209:45:072
31541802151,9sleep23154192-21ssh09:43:142
31386142151,2sleep20-21swapper/209:35:012
30929162151,6sleep13094705-21kthreadcore09:05:171
30013112150,3sleep23001330-21apt-get07:40:092
296694099151,9cyclictest2995310-21taskset07:30:313
296694099151,3cyclictest0-21swapper/307:20:123
296694099151,11cyclictest3022233-21sleep08:00:013
33729582140,9sleep03096161-21diskmemload11:55:580
33558552141,9sleep03356031-21ssh11:45:230
33506852141,7sleep23096161-21diskmemload11:44:452
33043352141,9sleep23096161-21diskmemload11:13:022
32964332141,9sleep13296444-21ssh11:08:401
32375482140,2sleep10-21swapper/110:33:251
32278732141,6sleep23096161-21diskmemload10:26:202
32270862146,4sleep13227262-21vmstat10:25:271
32117142142,7sleep12831240-21snmpd10:16:571
32116532141,3sleep03096161-21diskmemload10:16:520
31942112141,8sleep03096161-21diskmemload10:05:450
31718352141,3sleep03096161-21diskmemload09:54:550
31285192141,9sleep13128531-21ssh09:27:501
31285192141,9sleep13128531-21ssh09:27:501
31276202141,9sleep23127633-21sh09:26:312
31276202141,9sleep23127633-21sh09:26:312
31209302141,8sleep13120941-21ssh09:24:211
30862332141,8sleep23087746-21tr09:00:162
30701452141,4sleep23070355-21hddtemp_smartct08:45:142
30546532141,8sleep23055578-21cat08:30:142
296694099140,12cyclictest0-21swapper/307:45:233
34421422131,7sleep13442153-21ssh12:39:491
34339042131,7sleep23434015-21ls12:35:002
34314932131,8sleep13431505-21ssh12:31:231
34189072131,7sleep23420594-21kthreadcore12:25:182
34082702130,1sleep20-21swapper/212:19:012
33811752131,8sleep13381183-21ssh12:00:441
33463232131,3sleep03346333-21ssh11:38:260
33446172131,6sleep23096161-21diskmemload11:35:592
33032182131,8sleep13303232-21ssh11:11:211
32808402131,5sleep23280871-21ssh11:00:112
32780992131,8sleep23278110-21sh10:56:232
32718812131,8sleep13271894-21sh10:54:491
31808682131,7sleep13180880-21ssh10:00:091
31712122130,1sleep10-21swapper/109:54:001
31613732131,8sleep03161385-21modprobe09:46:330
30897702135,5sleep03089895-21wc09:00:230
30649152130,1sleep00-21swapper/008:40:150
30286242131,7sleep03030303-21kthreadcore08:05:160
29999492131,8sleep03000003-21ld07:35:180
34397492121,6sleep23096161-21diskmemload12:36:212
34305452121,7sleep03430794-21unixbench_multi12:30:250
33592052121,2sleep10-21swapper/111:50:011
33377052121,5sleep23096161-21diskmemload11:33:072
33230262121,7sleep23323154-21fschecks_time11:25:132
33223572122,5sleep13322387-21munin-run11:25:001
32648482121,6sleep23265922-21kthreadcore10:50:172
32188762121,7sleep23219049-21/usr/sbin/munin10:20:272
31616732121,5sleep10-21swapper/109:47:021
31349762121,7sleep13135132-21ssh09:30:231
31337892121,7sleep03134670-21/usr/sbin/munin09:30:180
31201132120,8sleep03096161-21diskmemload09:23:120
31105042125,3sleep23110513-21sh09:16:372
30075112121,7sleep13009218-21kthreadcore07:45:171
29707422122,6sleep02971205-21needreboot07:10:170
34256272111,6sleep13425639-21ssh12:29:581
34143512111,3sleep00-21swapper/012:20:430
34063412111,4sleep03096161-21diskmemload12:16:060
33990152111,4sleep03096161-21diskmemload12:12:250
33988912111,3sleep10-21swapper/112:12:141
33983042111,4sleep23096161-21diskmemload12:11:232
33922552111,5sleep03096161-21diskmemload12:09:370
33820562111,4sleep03096161-21diskmemload12:01:590
33727042111,4sleep23096161-21diskmemload11:55:362
33498642111,3sleep10-21swapper/111:43:281
33277592111,4sleep03096161-21diskmemload11:25:430
33212242111,3sleep20-21swapper/211:23:252
33134342111,4sleep23096161-21diskmemload11:19:042
33100322111,3sleep10-21swapper/111:15:181
32882422111,4sleep03096161-21diskmemload11:04:020
32851332111,2sleep10-21swapper/111:00:221
32778252111,6sleep03277835-21ssh10:55:570
32625972111,4sleep23096161-21diskmemload10:47:572
32619012111,4sleep03096161-21diskmemload10:46:550
32530112111,3sleep10-21swapper/110:40:581
32303772110,5sleep20-21swapper/210:30:012
32223022111,3sleep00-21swapper/010:25:020
32212932111,3sleep00-21swapper/010:23:530
32037012111,3sleep10-21swapper/110:12:361
31793602110,1sleep00-21swapper/009:58:440
31539612111,3sleep00-21swapper/009:42:560
31439122110,1sleep10-21swapper/109:35:361
31029082111,6sleep03102919-21sh09:12:460
30476012111,5sleep03047655-21ntpq08:20:230
30007542110,5sleep13000737-31find07:37:001
29841852111,5sleep22984239-21ntpq07:20:212
29804822111,6sleep02980695-21if_enp1s007:20:150
29712822111,5sleep22971330-21ntpq07:10:182
34223052101,3sleep03096161-21diskmemload12:25:280
34166362101,3sleep20-21swapper/212:24:062
34161732101,3sleep10-21swapper/112:23:261
33899082103,1sleep1321rcuc/112:06:171
33659652101,3sleep20-21swapper/211:52:552
33644652100,5sleep00-21swapper/011:50:380
33569182101,2sleep20-21swapper/211:46:462
33555982101,2sleep10-21swapper/111:45:201
33481392101,3sleep03096161-21diskmemload11:40:390
32785112100,1sleep10-21swapper/110:56:581
32531402101,2sleep00-21swapper/010:41:090
32528822101,3sleep23096161-21diskmemload10:40:472
31967452101,5sleep13096161-21diskmemload10:09:311
31857742101,5sleep23096161-21diskmemload10:00:302
31798562101,3sleep10-21swapper/109:59:291
31774732101,2sleep20-21swapper/209:56:012
31641312102,4sleep23164155-21apt-get09:50:122
31515692104,2sleep13151629-21ntpq09:40:211
31355872101,3sleep23096161-21diskmemload09:30:322
31118102101,2sleep10-21swapper/109:18:281
31038572101,4sleep13096161-21diskmemload09:14:111
30379852100,6sleep23037997-21latency_hist08:15:002
30123702100,1sleep20-21swapper/207:50:152
29858232101,5sleep02985974-21/usr/sbin/munin07:25:160
29854152101,4sleep12985433-21apt-get07:25:131
29792532101,4sleep02979497-21users07:15:260
3392319291,2sleep20-21swapper/212:09:432
3261583290,1sleep10-21swapper/110:46:271
3120284291,2sleep23096161-21diskmemload09:23:262
3080413291,4sleep13080539-21grep08:55:111
3073823291,4sleep03073875-21ld08:45:200
3054372291,3sleep03054496-21perl08:30:130
3040004291,4sleep23041814-21tr08:15:162
3038814291,4sleep13040003-21cat08:15:151
3030307291,3sleep13031568-21memory08:05:171
3017175291,2sleep20-21swapper/207:55:122
3006378291,4sleep03006405-21perf07:45:000
2991843291,5sleep00-21swapper/007:30:170
2974813291,3sleep12974832-21apt-get07:15:111
3095830280,1sleep20-21swapper/209:06:022
3085234281,1sleep20-21swapper/208:58:212
3084318281,3sleep03084366-21ntpq08:55:180
3074602280,2sleep10-21swapper/108:47:101
3065198281,4sleep20-21swapper/208:40:172
3064018280,1sleep20-21swapper/208:35:562
3063467282,3sleep13063593-21/usr/sbin/munin08:35:231
3059634281,3sleep03059828-21head08:35:140
3049918281,3sleep13051643-21kthreadcore08:25:171
3048299280,3sleep20-21swapper/208:21:542
3027411280,1sleep20-21swapper/208:04:342
3013590280,1sleep00-21swapper/007:50:170
3007194281,3sleep03007510-21grep07:45:160
3006179280,1sleep10-21swapper/107:42:331
3000942280,2sleep20-21swapper/207:38:532
2980157280,3sleep12980176-21apt-get07:20:121
3095975270,1sleep00-21swapper/009:07:530
3085651270,2sleep10-21swapper/109:00:121
3079238270,4sleep20-21swapper/208:50:232
3064626270,2sleep10-21swapper/108:40:121
3047895271,3sleep13048133-21unixbench_singl08:20:281
3033271270,4sleep00-21swapper/008:10:130
3032633270,1sleep20-21swapper/208:08:472
3023088271,3sleep13024755-21kthreadcore08:00:161
3022476271,1sleep00-21swapper/008:00:110
3075672261,2sleep00-21swapper/008:50:170
3075259261,2sleep10-21swapper/108:50:141
3049357260,2sleep00-21swapper/008:25:160
3048805260,4sleep20-21swapper/208:25:102
3022181260,1sleep00-21swapper/007:59:510
3021844260,1sleep10-21swapper/107:55:351
3012204261,2sleep10-21swapper/107:50:141
3010966261,2sleep20-21swapper/207:45:262
2995643260,1sleep10-21swapper/107:34:431
2975416261,2sleep20-21swapper/207:15:162
2971209260,2sleep10-21swapper/107:10:181
3057987250,1sleep10-21swapper/108:30:181
3042891250,3sleep00-21swapper/008:15:340
2995387250,3sleep20-21swapper/207:31:322
2986860250,2sleep20-21swapper/207:25:182
3033375240,1sleep10-21swapper/108:10:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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