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2026-01-14 - 07:56
[ 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 highest latencies:
System rack3slot3s.osadl.org (updated Wed Jan 14, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
346759922430,2sleep00-21swapper/019:35:140
3437647212156,60sleep30-21swapper/319:08:303
343759228853,9sleep10-21swapper/119:07:461
343750728158,6sleep00-21swapper/019:06:410
343768427458,10sleep20-21swapper/219:08:572
3437916992623,1cyclictest0-21swapper/319:49:593
3437916992320,1cyclictest0-21swapper/323:59:593
3437916992320,1cyclictest0-21swapper/323:15:003
3437916992320,1cyclictest0-21swapper/300:35:113
3437916992219,1cyclictest0-21swapper/320:40:123
3437916992219,1cyclictest0-21swapper/300:00:213
3437916992118,1cyclictest0-21swapper/322:50:193
3437916992118,1cyclictest0-21swapper/321:05:213
34974142201,10sleep03497527-21sort20:00:250
3437916992016,2cyclictest0-21swapper/323:15:143
36815192190,10sleep03681557-21ntpq22:55:190
3437916991916,1cyclictest0-21swapper/322:30:123
3437916991916,1cyclictest0-21swapper/300:30:163
3437916991916,1cyclictest0-21swapper/300:05:123
3437916991915,2cyclictest0-21swapper/322:45:143
343791699191,15cyclictest0-21swapper/319:35:103
343791699191,14cyclictest3693024-21turbostat23:10:003
343791699190,14cyclictest0-21swapper/322:15:253
37641952180,3sleep1321rcuc/100:15:161
35989732180,11sleep13598458-21apt-get21:40:021
343791699182,12cyclictest3472179-21taskset19:40:113
343791699182,11cyclictest3724998-21taskset23:40:103
343791699182,10cyclictest3493108-21taskset20:00:103
3437916991816,1cyclictest0-21swapper/321:50:163
3437916991815,1cyclictest0-21swapper/319:30:183
343791699181,4cyclictest0-21swapper/323:22:363
343791699181,3cyclictest3514042-21taskset20:19:503
343791699181,13cyclictest0-21swapper/323:30:073
343791699181,12cyclictest3666876-21turbostat22:44:593
343791699181,10cyclictest3762038-21taskset00:15:053
343791699181,10cyclictest3714405-21taskset23:30:013
343791699173,6cyclictest3550903-21taskset20:55:053
343791699171,4cyclictest0-21swapper/320:10:123
3437916991714,1cyclictest0-21swapper/300:25:133
3437916991712,2cyclictest0-21swapper/322:00:223
343791699171,13cyclictest0-21swapper/323:49:293
343791699171,13cyclictest0-21swapper/321:45:233
343791699171,12cyclictest3492839-21turbostat20:00:013
343791699171,12cyclictest3456129-21chrt19:25:113
343791699171,12cyclictest0-21swapper/321:55:123
343791699171,12cyclictest0-21swapper/321:55:113
343791699171,12cyclictest0-21swapper/319:15:113
343791699171,10cyclictest3760526-21taskset00:10:173
343791699171,10cyclictest3441219-21taskset19:10:123
343791699170,14cyclictest0-21swapper/300:20:213
343791699170,13cyclictest0-21swapper/320:25:123
343791699170,10cyclictest3587912-21taskset21:30:043
37460502161,4sleep23746069-21apt-get00:00:112
36711002161,4sleep23671148-21ntpq22:45:192
35079562161,10sleep03508013-21cut20:10:230
343791699161,9cyclictest3593408-21taskset21:35:103
343791699161,3cyclictest0-21swapper/323:00:113
343791699161,3cyclictest0-21swapper/323:00:103
3437916991613,1cyclictest0-21swapper/321:40:213
3437916991613,1cyclictest0-21swapper/319:50:163
3437916991613,1cyclictest0-21swapper/319:50:153
3437916991612,2cyclictest0-21swapper/323:50:173
343791699161,12cyclictest3503664-21sleep20:10:013
343791699161,11cyclictest3724703-21turbostat23:40:013
343791699161,11cyclictest3534065-21chrt20:35:213
343791699161,10cyclictest3454912-21taskset19:20:183
343791699160,13cyclictest0-21swapper/321:10:013
343791699160,13cyclictest0-21swapper/321:00:123
36772632150,3chrt14-21ksoftirqd/022:54:070
36721012151,10sleep13672118-21munin-run22:49:591
36659142150,9sleep13665957-21ntp_states22:40:221
36626062157,4sleep03664266-21cut22:40:170
36467822151,3sleep00-21swapper/022:25:170
343791699151,9cyclictest3660860-21taskset22:35:223
343791699151,9cyclictest3635092-21taskset22:10:523
343791699151,9cyclictest3629484-21taskset22:05:243
343791699151,9cyclictest3582077-21taskset21:20:383
343791699151,9cyclictest3529580-21taskset20:33:023
343791699151,9cyclictest3518966-21taskset20:20:393
343791699151,8cyclictest3677588-21taskset22:55:063
3437916991511,2cyclictest0-21swapper/320:50:123
343791699151,11cyclictest3577202-21turbostat21:20:013
343791699150,12cyclictest0-21swapper/321:25:183
37831342141,9sleep23783142-21/usr/sbin/munin00:35:102
37798312141,8sleep23781649-21grep00:30:162
343791699141,9cyclictest3646199-21chrt22:25:123
3437916991410,2cyclictest0-21swapper/322:20:123
343791699140,12cyclictest0-21swapper/320:46:463
37845392131,7sleep03786288-21grep00:35:160
36100002131,7sleep13610935-21kthreadcore21:50:161
35921452131,8sleep03587920-21/usr/sbin/munin21:30:230
36359632121,7sleep23636088-21gltestperf22:15:142
36310402121,7sleep13632454-21kthreadcore22:10:151
35765312121,7sleep23576768-21unixbench_singl21:15:262
34880072121,5sleep23488114-21df_inode19:55:142
34865962121,6sleep23486645-21ntpq19:50:212
34865962121,6sleep23486645-21ntpq19:50:202
34462012120,8sleep03447707-21cut19:15:150
34380592122,5sleep13438078-21apt-get19:10:081
37731582111,6sleep23773190-21kthreadcore00:25:162
37725852111,5sleep13772604-21apt-get00:25:111
37199982116,1sleep10-21swapper/123:35:121
37040092111,6sleep03704196-21head23:20:130
37028482111,5sleep23703061-21users23:15:262
36081882112,5sleep03608234-21ntpq21:45:210
35946602111,6sleep03596371-21kthreadcore21:35:150
35866762111,5sleep13586723-21ntpq21:25:191
35470382111,7sleep20-21swapper/220:50:172
35235502111,5sleep03523604-21ntpq20:25:210
34918022111,4sleep13491851-21ntpq19:55:201
37570002101,4sleep23757123-21diskstats00:10:132
37463762101,5sleep13746584-21if_enp1s000:00:141
37302322101,4sleep13730251-21apt-get23:45:101
37249762101,3sleep23724995-21apt-get23:40:112
37092402101,3sleep00-21swapper/023:25:090
37024472101,5sleep03702499-21ld23:15:190
36923962101,4sleep03692640-21users23:05:260
36886112102,4sleep23689866-21cut23:05:162
36151442101,4sleep03615215-21irqstats21:55:160
36151442101,4sleep03615215-21irqstats21:55:150
35936892101,5sleep13593792-21perl21:35:131
35814222101,4sleep03581473-21ntpq21:20:210
35534922101,4sleep13554722-21memory20:55:171
35392782101,5sleep03539332-21ntpq20:40:200
35302852101,4sleep23530494-21hddtemp_smartct20:35:132
35300172101,5sleep03530147-21cut20:35:120
35287362101,4sleep23528785-21ntpq20:30:212
35148032101,4sleep23514907-21irqstats20:20:152
35130522101,4sleep23513101-21ntpq20:15:212
35078512101,4sleep23507897-21ntpq20:10:212
34975282101,4sleep13497734-21users20:00:261
34831352101,5sleep13483364-21tr19:50:161
34831352101,5sleep13483364-21tr19:50:161
34615202101,4sleep23461655-21diskstats19:30:132
34605152101,4sleep13460732-21users19:25:261
34600612101,4sleep23460115-21ntpq19:25:192
34496662101,4sleep13449722-21ntp_states19:15:201
3762066291,4sleep03762319-21df00:15:120
3755620291,3sleep23755676-21ntpq00:05:192
3752168291,4sleep13752936-21cut00:05:141
3741058291,4sleep23741268-21hddtemp_smartct23:55:132
3724693290,5sleep03724777-21ls23:40:000
3716005291,4sleep13717751-21kthreadcore23:30:161
3704290291,4sleep23705450-21cut23:20:142
3693273291,3sleep03693292-21apt-get23:10:110
3682844291,4sleep23682854-21grep23:00:112
3682844291,4sleep23682854-21grep23:00:102
3672913291,4sleep23673497-21cut22:50:172
3655135291,5sleep20-21swapper/222:30:162
3651983291,4sleep03653429-21tr22:30:150
3641315291,4sleep23641512-21if_enp1s022:20:142
3637293291,4sleep13639060-21grep22:15:171
3634725291,4sleep23634842-21sed22:10:242
3630467291,3sleep03630486-21apt-get22:10:100
3629298290,1sleep10-21swapper/122:05:231
3615216291,4sleep13616504-21grep21:55:171
3615216291,4sleep13616504-21grep21:55:161
3610937291,4sleep23612701-21cut21:50:172
3602946291,4sleep23602992-21ntpq21:40:182
3574036291,4sleep13575848-21cut21:15:171
3565659291,4sleep03565679-21sort21:05:260
3556164291,3sleep03556183-21apt-get21:00:080
3549552291,3sleep03549633-21ntpq20:50:180
3540985291,3sleep13541056-21irqstats20:45:151
3540507291,4sleep23540570-21cpuspeed_turbos20:45:112
3533960291,4sleep13534010-21ntpq20:35:201
3523402291,4sleep23523491-21ntpq20:25:192
3500140291,4sleep23501880-21cut20:05:152
3497085291,3sleep23497125-21ntpq20:00:192
3465317291,3sleep03465365-21ntpq19:30:190
3461939291,4sleep13463322-21grep19:30:161
3781830281,3sleep00-21swapper/000:30:180
3760739280,3sleep03760787-21ntpq00:10:180
3740791280,1sleep00-21swapper/023:55:110
3736252281,3sleep13737917-21tr23:50:161
3723560281,3sleep23723681-21ntpq23:35:182
3714220280,4sleep23714404-21sed23:30:012
3708336280,5sleep10-21swapper/123:20:301
3702741281,3sleep13702847-21timerandwakeup23:15:251
3688539280,1sleep10-21swapper/123:05:151
3687156281,4sleep13687323-21awk23:00:261
3687156281,4sleep13687323-21awk23:00:251
3661402280,1sleep10-21swapper/122:37:411
3646490280,1sleep20-21swapper/222:25:162
3624772280,4sleep10-21swapper/122:03:021
3624735280,1sleep20-21swapper/222:02:352
3609054280,1sleep10-21swapper/121:48:311
3609015280,1sleep20-21swapper/221:48:012
3587658281,3sleep21-21systemd21:30:012
3581531281,3sleep23581616-21ps21:20:222
3567187281,3sleep00-21swapper/021:10:140
3566896281,2sleep13566915-21apt-get21:10:111
3565234281,3sleep23565343-21ntpq21:05:202
3554911281,3sleep03554959-21ntpq20:55:200
3545706281,3sleep13545718-21apt-get20:50:111
3544135280,1sleep00-21swapper/020:45:180
3524763281,3sleep13524782-21apt-get20:30:121
3508577280,1sleep10-21swapper/120:11:241
3498612281,3sleep13498116-21apt-get20:05:021
3477405280,3sleep13477424-21apt-get19:45:101
3476825280,1sleep00-21swapper/019:40:560
3472157280,2sleep20-21swapper/219:40:112
3450673280,1sleep10-21swapper/119:20:021
3443113281,3sleep23443786-21sort19:15:012
3439466281,4sleep23441218-21tr19:10:132
3771346271,2sleep20-21swapper/200:20:192
3767604270,4sleep00-21swapper/000:20:120
3757407271,3sleep10-21swapper/100:10:161
3734366271,2sleep03734479-21ps23:45:210
3730254271,2sleep23708760-21kworker/2:0-events23:45:112
3729744270,4sleep10-21swapper/123:42:071
3729687270,1sleep00-21swapper/023:41:260
3719368270,1sleep20-21swapper/223:33:542
3715048271,3sleep00-21swapper/023:30:150
3710730270,3sleep13712508-21cut23:25:141
3698105270,1sleep10-21swapper/123:13:321
3697294270,4sleep20-21swapper/223:10:202
3672362270,1sleep10-21swapper/122:50:121
3661256270,1sleep20-21swapper/222:35:502
3645719270,1sleep10-21swapper/122:22:141
3639628270,2sleep00-21swapper/022:15:190
3625188270,2sleep20-21swapper/222:05:122
3593393270,2sleep20-21swapper/221:35:022
3587941270,3sleep13588194-21df21:30:111
3582681270,2sleep03582700-21apt-get21:25:090
3561069270,1sleep10-21swapper/121:04:261
3561012270,1sleep20-21swapper/221:03:432
3535253270,2sleep20-21swapper/220:40:112
3529632270,1sleep00-21swapper/020:33:430
3509125270,2sleep10-21swapper/120:15:121
3492804271,3sleep03492969-21latency_hist20:00:000
3476851270,1sleep10-21swapper/119:41:181
3471247270,1sleep10-21swapper/119:35:361
3788078260,4sleep10-21swapper/100:39:381
3778440261,2sleep10-21swapper/100:30:151
3777506260,4sleep00-21swapper/000:28:470
3767814261,2sleep10-21swapper/100:20:131
3751577260,2sleep03751081-21apt-get00:05:020
3750766260,1sleep00-21swapper/000:01:100
3742650261,2sleep13742815-21kthreadcore23:55:161
3735513260,1sleep03735532-21apt-get23:50:110
3683114261,2sleep00-21swapper/023:00:130
3683114261,2sleep00-21swapper/023:00:120
3678391261,2sleep10-21swapper/122:55:161
3666842260,2sleep20-21swapper/222:45:002
3656029260,4sleep10-21swapper/122:30:481
3642005261,2sleep00-21swapper/022:20:170
3624627260,4sleep00-21swapper/022:01:120
3619479260,1sleep20-21swapper/221:58:352
3619479260,1sleep20-21swapper/221:58:342
3603699260,4sleep00-21swapper/021:41:410
3578959261,2sleep10-21swapper/121:20:171
3572739261,2sleep00-21swapper/021:15:160
3564432261,2sleep10-21swapper/121:05:191
3555743260,1sleep20-21swapper/220:58:152
3519078260,1sleep10-21swapper/120:22:021
3516055261,2sleep00-21swapper/020:20:170
3498640261,2sleep00-21swapper/020:05:090
3487302260,4sleep00-21swapper/019:51:390
3487302260,4sleep00-21swapper/019:51:380
3481198260,2sleep00-21swapper/019:45:180
3478536261,2sleep20-21swapper/219:45:152
3460999260,1sleep00-21swapper/019:28:420
3451467261,2sleep20-21swapper/219:20:152
3762344250,2sleep20-21swapper/200:15:132
3670595251,1sleep00-21swapper/022:45:170
3650458250,1sleep10-21swapper/122:25:271
3629242250,2sleep00-21swapper/022:05:220
3609845250,2sleep00-21swapper/021:50:150
3570908250,1sleep20-21swapper/221:10:202
3540169250,3sleep10-21swapper/120:44:191
3523606250,1sleep10-21swapper/120:25:221
3509421250,1sleep00-21swapper/020:15:150
3471282251,2sleep23437910-21cyclictest19:36:012
3735303240,1sleep20-21swapper/223:50:012
3677870240,1sleep20-21swapper/222:55:132
3656788240,1sleep00-21swapper/022:35:110
3587911240,1sleep20-21swapper/221:30:042
3451184240,1sleep00-21swapper/019:20:130
3441965240,1sleep00-21swapper/019:10:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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