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2026-01-18 - 07:23
[ 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 -
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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 376 highest latencies:
System rack3slot3s.osadl.org (updated Sun Jan 18, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3047346212159,57sleep30-21swapper/319:08:463
304730928251,9sleep10-21swapper/119:08:161
304731527963,10sleep20-21swapper/219:08:212
304713227551,6sleep00-21swapper/019:06:020
3047570992420,2cyclictest0-21swapper/320:55:123
3047570992219,1cyclictest0-21swapper/321:30:193
304757099221,17cyclictest3344716-21taskset23:52:503
304757099220,18cyclictest3143535-21taskset20:37:033
304757099217,11cyclictest0-21swapper/319:30:113
3047570992118,1cyclictest0-21swapper/322:10:203
3047570992118,1cyclictest0-21swapper/320:15:163
3047570992117,1cyclictest0-21swapper/320:45:003
3047570992111,7cyclictest15850irq/127-ahci[0000:00:17.0]19:39:553
3047570992017,1cyclictest0-21swapper/300:10:243
3047570992017,1cyclictest0-21swapper/300:05:183
3047570992016,2cyclictest0-21swapper/319:10:263
3047570991916,1cyclictest0-21swapper/322:15:163
3047570991916,1cyclictest0-21swapper/322:05:003
3047570991916,1cyclictest0-21swapper/321:50:263
3047570991916,1cyclictest0-21swapper/320:25:003
3047570991915,2cyclictest0-21swapper/323:45:003
3047570991915,2cyclictest0-21swapper/323:05:133
304757099191,14cyclictest0-21swapper/322:20:113
304757099191,13cyclictest3350165-21sleep00:00:003
304757099188,7cyclictest3223140-21chrt21:58:033
304757099188,6cyclictest3133115-21taskset20:27:413
3047570991815,1cyclictest0-21swapper/323:15:153
3047570991815,1cyclictest0-21swapper/322:55:193
3047570991815,1cyclictest0-21swapper/322:50:173
3047570991815,1cyclictest0-21swapper/322:05:163
3047570991814,2cyclictest0-21swapper/323:05:003
304757099181,14cyclictest3154101-21chrt20:47:413
3047570991811,4cyclictest15850irq/127-ahci[0000:00:17.0]21:05:003
304757099181,14cyclictest0-21swapper/300:25:103
304757099181,13cyclictest3065582-21chrt19:25:123
304757099181,13cyclictest0-21swapper/323:10:123
31997592171,11sleep13201162-21/usr/sbin/munin21:35:171
31997592171,11sleep13201162-21/usr/sbin/munin21:35:171
3047570991715,1cyclictest0-21swapper/322:30:123
3047570991714,1cyclictest0-21swapper/323:20:243
3047570991714,1cyclictest0-21swapper/321:39:163
3047570991714,1cyclictest0-21swapper/321:39:163
3047570991714,1cyclictest0-21swapper/320:00:173
3047570991714,1cyclictest0-21swapper/319:20:153
3047570991713,2cyclictest0-21swapper/320:05:123
3047570991713,2cyclictest0-21swapper/300:20:003
3047570991713,2cyclictest0-21swapper/300:00:223
304757099171,13cyclictest3187201-21taskset21:25:123
304757099171,13cyclictest0-21swapper/323:30:133
304757099171,13cyclictest0-21swapper/320:50:263
304757099171,13cyclictest0-21swapper/319:55:263
304757099171,12cyclictest3339647-21turbostat23:50:003
304757099171,10cyclictest3266582-21taskset22:40:113
33545762161,11sleep03354663-21/usr/sbin/munin00:00:220
31321362161,10sleep03132276-21nfs4_client20:25:180
30799232161,9sleep03080036-21ntpq19:35:200
304757099169,4cyclictest3207823-21taskset21:45:083
304757099162,11cyclictest3383210-21turbostat00:40:003
304757099161,9cyclictest3165890-21taskset21:05:043
304757099161,3cyclictest0-21swapper/320:10:113
3047570991613,1cyclictest0-21swapper/321:10:213
3047570991613,1cyclictest0-21swapper/319:50:123
3047570991613,1cyclictest0-21swapper/319:45:233
3047570991612,2cyclictest0-21swapper/323:35:123
3047570991612,2cyclictest0-21swapper/322:35:253
3047570991612,2cyclictest0-21swapper/322:35:253
304757099160,12cyclictest0-21swapper/321:40:193
304757099160,10cyclictest3181239-21taskset21:17:433
33617872151,9sleep13363474-21cut00:10:161
33544622151,10sleep20-21swapper/200:00:192
33073552151,10sleep03307401-21pmu-power23:15:200
32663252151,4sleep23266581-21df22:40:112
32505962151,9sleep03250746-21head22:25:140
32396842151,9sleep23239272-21apt-get22:15:022
31218302151,3sleep03121887-21ntpq20:15:200
304757099151,9cyclictest3254581-21taskset22:25:243
304757099151,9cyclictest3086233-21taskset19:44:043
3047570991513,1cyclictest0-21swapper/321:20:183
3047570991512,1cyclictest0-21swapper/323:25:113
3047570991512,1cyclictest0-21swapper/320:30:173
3047570991512,1cyclictest0-21swapper/319:15:183
3047570991512,1cyclictest0-21swapper/300:20:153
304757099151,10cyclictest3271910-21chrt22:45:123
31114432141,9sleep23111495-21ld20:05:202
3047570991411,2cyclictest0-21swapper/300:30:013
33088312131,7sleep23309041-21/usr/sbin/munin23:20:152
31926722131,8sleep03192852-21kthreadcore21:30:150
31641022130,9sleep23164246-21mailstats20:55:222
33614702121,7sleep03361786-21kthreadcore00:10:150
33469582121,7sleep13348756-21tr23:55:171
33420312121,7sleep23343720-21latency23:50:172
32276162121,7sleep03227676-21cut22:00:210
31761842121,7sleep13176430-21latency_hist21:15:011
31542852121,7sleep13154296-21dump-pmu-power20:50:001
30971552121,6sleep23097278-21diskstats19:55:142
33813062111,4sleep172-21kcompactd000:25:511
33812792110,2sleep00-21swapper/000:25:300
33693422112,5sleep13369998-21/usr/sbin/munin00:15:171
33352312114,3sleep13335288-21kthreadcore23:45:151
33300772111,6sleep23331663-21kthreadcore23:40:152
32928272111,5sleep13292846-21apt-get23:05:111
32648052111,5sleep03264858-21ntp_states22:35:200
32648052111,5sleep03264858-21ntp_states22:35:200
32128012111,5sleep13212825-21munin-run21:50:001
32092842111,6sleep03211040-21kthreadcore21:45:180
31869262111,5sleep13186945-21apt-get21:25:111
31114102111,4sleep13111441-21ntpq20:05:191
30766112111,6sleep13077315-21cat19:35:171
30594062111,6sleep23059644-21unixbench_singl19:15:262
32969082101,6sleep03296995-21proc_pri23:05:220
32928492101,5sleep23292966-21tr23:05:122
32919502101,4sleep13292194-21users23:00:261
32875932101,4sleep23287612-21apt-get23:00:112
32770652101,4sleep13277084-21apt-get22:50:121
32662902100,4sleep13265756-21apt-get22:40:021
32651542101,5sleep13265371-21/usr/sbin/munin22:35:251
32651542101,5sleep13265371-21/usr/sbin/munin22:35:251
32437622100,1sleep00-21swapper/022:15:200
32139382104,3sleep20-21swapper/221:50:172
32013462100,1sleep00-21swapper/021:35:200
32013462100,1sleep00-21swapper/021:35:200
31751852101,4sleep23175233-21ntpq21:10:212
31649672100,3sleep00-21swapper/020:59:570
31436462100,2sleep20-21swapper/220:38:272
31323192101,4sleep23132366-21ntpq20:25:202
31283472102,3sleep13128366-21apt-get20:25:111
31280872101,5sleep20-21swapper/220:25:002
30644292101,6sleep10-21swapper/119:20:221
3371408291,4sleep03371661-21df00:20:130
3340501291,4sleep13342030-21cut23:50:161
3329473291,3sleep13329492-21apt-get23:40:101
3308555291,4sleep03308764-21expr23:20:130
3303277291,4sleep23303295-21grep23:15:102
3264697291,3sleep23264745-21ntpq22:35:182
3264697291,3sleep23264745-21ntpq22:35:182
3260165290,1sleep10-21swapper/122:30:401
3218327291,3sleep13218581-21df_inode21:55:131
3187697291,4sleep23189363-21grep21:25:162
3166429291,4sleep23166893-21cat21:05:122
3165607290,1sleep10-21swapper/121:04:391
3144614291,4sleep23144894-21kthreadcore20:40:152
3144052291,3sleep13144071-21apt-get20:40:101
3112974293,3sleep23113085-21fschecks_time20:10:132
3093274291,4sleep23095033-21cut19:50:172
3069549291,4sleep23069587-21ntpq19:25:202
3064281291,4sleep23064318-21ntpq19:20:192
3063100291,3sleep03064140-21memory19:20:170
3052744291,4sleep03052910-21munin-node19:15:000
3382211280,2sleep20-21swapper/200:30:412
3369999281,3sleep23370087-21ntpq00:15:182
3367585281,3sleep00-21swapper/000:15:160
3365648280,1sleep20-21swapper/200:12:012
3345725281,3sleep03345758-21kthreadcore23:55:160
3339897281,2sleep03339916-21apt-get23:50:110
3339323280,1sleep20-21swapper/223:46:042
3324191281,2sleep00-21swapper/023:35:120
3319531281,3sleep23320085-21kthreadcore23:30:172
3314353281,3sleep13315932-21kthreadcore23:25:151
3301974281,3sleep00-21swapper/023:10:190
3286361281,2sleep23286414-21ntpq22:55:222
3282065280,1sleep00-21swapper/022:54:560
3275515281,3sleep03275565-21ntpq22:45:180
3255534281,1sleep20-21swapper/222:30:092
3254228281,3sleep13254272-21modprobe22:25:191
3249924280,1sleep20-21swapper/222:23:282
3243813281,3sleep13243872-21ld22:15:211
3239263281,4sleep13239681-21awk22:15:011
3234289281,2sleep00-21swapper/022:10:110
3223577281,2sleep20-21swapper/222:00:112
3218858281,3sleep00-21swapper/021:55:160
3213062281,2sleep10-21swapper/121:50:121
3212180280,1sleep20-21swapper/221:45:282
3207558281,3sleep03207560-21sshd21:44:580
3202608280,3sleep23202627-21apt-get21:40:112
3192854281,3sleep13194504-21kthreadcore21:30:161
3186049281,3sleep23186294-21users21:20:272
3176944281,3sleep03177015-21irqstats21:15:160
3154545281,2sleep00-21swapper/020:50:110
3139048281,3sleep03138772-21/usr/sbin/munin20:35:120
3138475280,1sleep20-21swapper/220:34:342
3133562281,2sleep10-21swapper/120:30:121
3123571280,1sleep10-21swapper/120:20:141
3119361281,3sleep13121109-21grep20:15:171
3117640281,3sleep03117884-21latency_hist20:15:000
3107734280,4sleep03107955-21basename20:05:140
3106281281,3sleep13106372-21ps20:00:221
3103662281,3sleep03105412-21cut20:00:170
3092323281,3sleep13092361-21kthreadcore19:50:161
3091328281,2sleep00-21swapper/019:47:550
3085616280,1sleep00-21swapper/019:40:250
3074827281,2sleep23074848-21ntpq19:30:492
3059902281,4sleep13059903-21sshd19:17:581
3059061281,2sleep00-21swapper/019:15:200
3359674270,3sleep23359723-21ntpq00:05:202
3359579271,1sleep10-21swapper/100:05:191
3329769271,3sleep03329981-21smartctl23:40:130
3323573270,1sleep00-21swapper/023:30:310
3313741270,2sleep00-21swapper/023:25:100
3298666271,3sleep10-21swapper/123:10:161
3287122270,1sleep10-21swapper/122:57:421
3282336270,2sleep00-21swapper/022:55:120
3260257270,5sleep00-21swapper/022:31:510
3249425270,1sleep10-21swapper/122:20:261
3246681271,3sleep00-21swapper/022:20:170
3232931270,4sleep00-21swapper/022:05:180
3230606271,2sleep20-21swapper/222:05:162
3228227270,1sleep10-21swapper/122:01:141
3223092270,1sleep20-21swapper/221:57:312
3191954270,4sleep20-21swapper/221:30:012
3181416270,4sleep20-21swapper/221:19:592
3169863271,2sleep00-21swapper/021:05:300
3159263270,1sleep20-21swapper/220:52:262
3133863270,3sleep0221rcuc/020:30:150
3077317271,2sleep20-21swapper/219:35:182
3052453270,1sleep20-21swapper/219:11:222
3383072260,1sleep10-21swapper/100:38:261
3382869260,1sleep20-21swapper/200:35:542
3382831260,1sleep00-21swapper/000:35:240
3382288260,1sleep10-21swapper/100:31:401
3381469260,1sleep20-21swapper/200:27:572
3360480260,1sleep00-21swapper/000:07:340
3348757260,2sleep23349074-21strings23:55:182
3323745260,1sleep10-21swapper/123:32:451
3318698260,1sleep20-21swapper/223:29:492
3313425260,1sleep10-21swapper/123:24:191
3307901260,1sleep10-21swapper/123:15:411
3302911260,1sleep20-21swapper/223:13:462
3277973261,2sleep20-21swapper/222:50:172
3272765261,2sleep10-21swapper/122:45:151
3271810261,2sleep20-21swapper/222:45:122
3270954260,1sleep00-21swapper/022:41:010
3250324260,3sleep20-21swapper/222:25:122
3239256260,1sleep20-21swapper/222:14:582
3229630261,2sleep10-21swapper/122:05:151
3197714260,3sleep20-21swapper/221:35:142
3197714260,3sleep20-21swapper/221:35:142
3191690260,1sleep00-21swapper/021:27:230
3183558261,2sleep10-21swapper/121:20:181
3176012260,1sleep00-21swapper/021:12:520
3155876261,2sleep10-21swapper/120:50:161
3149288260,1sleep20-21swapper/220:45:122
3148335260,3sleep00-21swapper/020:40:250
3113971261,2sleep10-21swapper/120:10:161
3102200261,2sleep20-21swapper/220:00:112
3097011260,3sleep10-21swapper/119:55:131
3096989260,2sleep00-21swapper/019:55:120
3091187260,4sleep20-21swapper/219:46:082
3090548260,1sleep10-21swapper/119:45:231
3081334260,2sleep20-21swapper/219:40:112
3071388261,2sleep00-21swapper/019:30:150
3070902260,2sleep10-21swapper/119:30:121
3069651260,2sleep00-21swapper/019:25:210
3069427261,2sleep10-21swapper/119:25:191
3047447261,2sleep10-21swapper/119:10:001
3382409250,3sleep00-21swapper/000:33:120
3376380250,2sleep20-21swapper/200:25:002
3354664250,1sleep10-21swapper/100:00:221
3328946250,1sleep20-21swapper/223:36:582
3324213251,1sleep10-21swapper/123:35:131
3292403250,3sleep00-21swapper/023:02:580
3202902250,1sleep10-21swapper/121:40:141
3185677250,1sleep00-21swapper/021:20:210
3171618250,1sleep10-21swapper/121:10:161
3169919250,1sleep10-21swapper/121:05:311
3165340250,3sleep20-21swapper/221:01:152
3164741251,2sleep1331ktimers/120:57:061
3154123250,1sleep00-21swapper/020:47:590
3139073250,1sleep10-21swapper/120:35:131
3121110250,1sleep20-21swapper/220:15:182
3081625250,1sleep10-21swapper/119:40:141
3371316240,1sleep10-21swapper/100:20:021
3335010240,1sleep00-21swapper/023:45:140
3213388240,1sleep00-21swapper/021:50:150
3165451240,1sleep00-21swapper/021:02:420
3123056240,1sleep00-21swapper/020:20:010
3091756240,1sleep00-21swapper/019:50:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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