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2026-02-15 - 16:34
[ 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 #e, 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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackeslot4s.osadl.org (updated Sun Feb 15, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2922866994137,3cyclictest2975626-21apt-get08:00:101
2922866993936,2cyclictest3068581-21kworker/u8:2+flush-259:009:35:251
2922866993935,3cyclictest2938857-21base6407:25:011
2922866993833,4cyclictest3011774-21apt-get08:35:111
2922866993733,3cyclictest3240787-21apt-get12:15:121
2922872993632,3cyclictest2959900-21kworker/u8:2+flush-259:007:55:253
2922866993633,2cyclictest3162652-21apt-get11:00:101
2922872993430,3cyclictest3194428-21kworker/u8:1+flush-259:011:55:133
2922866993329,3cyclictest3183260-21kworker/u8:2+flush-259:012:05:251
2922872993128,2cyclictest3194428-21kworker/u8:1+flush-259:011:30:243
2922872993127,3cyclictest3001158-21kworker/u8:4+events_unbound09:05:133
2922872993124,4cyclictest3126145-21/usr/sbin/munin10:25:143
2922872993123,5cyclictest3136341-21cat10:35:013
2922872993024,4cyclictest2944194-21apt-get07:30:123
2922872992926,2cyclictest3183260-21kworker/u8:2+flush-259:011:20:243
2922872992926,2cyclictest3022066-21kworker/u8:0+events_unbound09:15:003
2922872992923,4cyclictest3204922-21diskstats11:40:143
2922870992924,3cyclictest3042468-21latency_hist09:05:012
2922862992926,2cyclictest3104870-21kworker/u8:3+flush-259:011:15:170
2922872992821,3cyclictest3084438-21kworker/u8:4+events_unbound09:45:163
2922870992822,4cyclictest2980493-21latency_hist08:05:002
2922862992823,3cyclictest3152293-21kworker/u8:1+flush-259:011:10:200
2922872992724,2cyclictest3194428-21kworker/u8:1+flush-259:011:50:133
2922862992723,3cyclictest3120971-21kworker/u8:1+flush-259:010:30:270
2922872992622,3cyclictest3047663-21kworker/u8:3+events_unbound09:15:133
2922872992620,4cyclictest252-21systemd-journal11:50:003
2922872992619,5cyclictest3104850-21latency_hist10:05:013
2922862992622,3cyclictest3245403-21kworker/u8:0+events_unbound12:20:120
2922872992522,2cyclictest2878467-21kworker/u8:1+flush-259:007:45:263
2922872992521,3cyclictest3104870-21kworker/u8:3+flush-259:011:00:233
2922872992521,3cyclictest2959900-21kworker/u8:2+flush-259:008:40:253
2922870992519,4cyclictest3001131-21latency_hist08:25:012
2922870992519,4cyclictest3001131-21latency_hist08:25:002
2922862992520,4cyclictest3068581-21kworker/u8:2+flush-259:009:30:220
2922872992421,2cyclictest3131084-21kworker/u8:0+flush-259:010:55:153
2922872992421,2cyclictest3120971-21kworker/u8:1+events_unbound10:20:113
2922872992420,3cyclictest2980535-21kworker/u8:3+flush-259:008:10:203
2922866992416,6cyclictest252-21systemd-journal07:55:001
2922862992420,3cyclictest2980535-21kworker/u8:3+flush-259:008:05:140
2922872992320,2cyclictest3104870-21kworker/u8:3+flush-259:010:15:243
2922872992319,3cyclictest3194428-21kworker/u8:1+flush-259:012:10:263
2922872992318,4cyclictest3245403-21kworker/u8:0+flush-259:012:30:213
2922872992318,3cyclictest509-21rs:main3
2922866992318,4cyclictest3183694-21apt-get11:20:111
2922866992317,4cyclictest252-21systemd-journal07:59:081
2922872992218,3cyclictest2943943-21kworker/u8:4+events_unbound07:45:003
2922870992218,3cyclictest2938363-21kworker/u8:0+flush-259:007:25:172
2922866992219,2cyclictest2949391-21/usr/sbin/munin07:35:151
2922866992217,4cyclictest3120745-21latency_hist10:20:001
2922862992218,3cyclictest3194428-21kworker/u8:1+events_unbound11:40:200
2922862992218,3cyclictest3068581-21kworker/u8:2+flush-259:010:05:240
2922862992218,3cyclictest2959900-21kworker/u8:2+flush-259:008:35:240
2922862992217,4cyclictest3084438-21kworker/u8:4+events_unbound09:45:190
2922872992118,2cyclictest3245403-21kworker/u8:0+events_unbound12:20:213
2922872992117,3cyclictest3131084-21kworker/u8:0+flush-259:010:39:593
2922870992117,3cyclictest3001157-21kworker/u8:3+flush-259:008:45:002
2922870992115,4cyclictest3157675-21diskstats10:55:152
2922866992116,4cyclictest3152329-21apt-get10:50:111
2922866992115,4cyclictest3162396-21latency_hist11:00:011
2922862992117,3cyclictest3225361-21apt-get12:00:130
2922862992117,3cyclictest2943943-21kworker/u8:4+events_unbound07:40:010
2922872992017,2cyclictest3183260-21kworker/u8:2+events_unbound11:35:263
2922872992016,3cyclictest3068581-21kworker/u8:2+events_unbound09:35:253
2922872992016,3cyclictest2878467-21kworker/u8:1+events_unbound07:10:543
2922872992013,5cyclictest2933152-21latency_hist07:20:013
2922870992016,3cyclictest3137293-21irqcore10:35:172
2922866992016,3cyclictest3120971-21kworker/u8:1+flush-259:010:20:161
2922862992017,1cyclictest0-21swapper/011:10:010
2922862992016,3cyclictest2917913-21kworker/u8:0+flush-259:007:10:010
2922862992015,4cyclictest3104870-21kworker/u8:3+flush-259:011:00:180
2922862992015,3cyclictest3183260-21kworker/u8:2+flush-259:011:25:120
2922862992015,3cyclictest2959900-21kworker/u8:2+flush-259:008:15:210
2922862992014,4cyclictest3047809-21base6409:10:000
2922872991917,2cyclictest3183260-21kworker/u8:2+events_unbound12:35:243
2922872991917,1cyclictest2995743-21kworker/u8:1+events_unbound08:20:233
2922872991917,1cyclictest2995743-21kworker/u8:1+events_unbound08:20:233
2922872991916,2cyclictest3183260-21kworker/u8:2+flush-259:012:05:243
2922872991916,2cyclictest3131084-21kworker/u8:0+events_unbound10:40:143
2922872991916,2cyclictest3095209-21irqcore09:55:163
2922872991916,2cyclictest3068581-21kworker/u8:2+events_unbound09:50:233
2922872991915,3cyclictest3022066-21kworker/u8:0+flush-259:008:45:243
2922872991914,4cyclictest2939019-21apt-get07:25:123
2922872991914,3cyclictest507-21in:imuxsock11:10:003
2922866991915,3cyclictest3194428-21kworker/u8:1+flush-259:011:55:151
2922862991915,3cyclictest3245403-21kworker/u8:0+events_unbound12:30:140
2922862991915,3cyclictest3245403-21kworker/u8:0+events_unbound12:25:180
2922862991915,3cyclictest3104870-21kworker/u8:3+flush-259:010:15:160
2922862991915,3cyclictest3001158-21kworker/u8:4+events_unbound08:50:230
2922862991913,4cyclictest509-21rs:main0
2922862991913,4cyclictest3204495-21latency_hist11:40:000
2922872991816,2cyclictest3105081-21kworker/u8:4+flush-259:010:05:193
292287299181,15cyclictest1-21systemd09:00:003
2922870991814,3cyclictest3047663-21kworker/u8:3+flush-259:009:15:252
2922870991813,4cyclictest2959900-21kworker/u8:2+flush-259:008:15:252
2922870991812,4cyclictest252-21systemd-journal11:39:472
2922866991812,4cyclictest3193776-21latency_hist11:30:001
2922866991812,4cyclictest2959885-21latency_hist07:45:011
2922866991811,5cyclictest2938328-21latency_hist07:25:011
2922862991815,2cyclictest3194428-21kworker/u8:1+events_unbound11:45:130
2922862991815,2cyclictest3022066-21kworker/u8:0+flush-259:008:45:260
2922862991815,1cyclictest0-21swapper/010:25:000
2922862991815,1cyclictest0-21swapper/007:40:000
2922862991814,3cyclictest3105081-21kworker/u8:4+flush-259:010:50:160
2922862991814,3cyclictest3022066-21kworker/u8:0+events_unbound09:44:370
2922862991814,3cyclictest2980535-21kworker/u8:3+flush-259:008:10:230
2922862991813,4cyclictest3047663-21kworker/u8:3+events_unbound09:25:200
2922862991812,4cyclictest3048228-21base6409:10:020
2922872991714,3cyclictest3183260-21kworker/u8:2+events_unbound11:25:093
2922872991714,2cyclictest3245403-21kworker/u8:0+events_unbound12:25:193
2922872991714,2cyclictest2878467-21kworker/u8:1+events_unbound07:35:133
2922870991714,2cyclictest3205782-21kthreadcore11:40:162
2922870991714,2cyclictest3068581-21kworker/u8:2+flush-259:009:45:272
2922870991713,3cyclictest3068581-21kworker/u8:2+flush-259:010:09:592
2922870991711,4cyclictest3146926-21latency_hist10:45:012
2922870991711,4cyclictest252-21systemd-journal12:00:002
2922866991712,4cyclictest252-21systemd-journal07:34:161
2922862991713,3cyclictest3001157-21kworker/u8:3+flush-259:008:30:000
2922872991613,2cyclictest3001158-21kworker/u8:4+flush-259:009:00:183
2922872991613,2cyclictest2959900-21kworker/u8:2+flush-259:008:50:163
2922872991610,2cyclictest3104870-21kworker/u8:3+events_unbound10:45:123
2922870991613,2cyclictest2965040-21cron07:49:592
2922870991612,3cyclictest3183260-21kworker/u8:2+flush-259:012:25:242
2922866991613,2cyclictest3148211-21kthreadcore10:45:171
2922866991612,3cyclictest3120971-21kworker/u8:1+flush-259:010:30:241
2922866991611,4cyclictest3225336-21/usr/sbin/munin12:00:161
2922866991611,4cyclictest3068581-21kworker/u8:2+flush-259:009:55:171
2922862991614,1cyclictest60350irq/132-enp0s29f1:rx-007:47:220
2922862991614,1cyclictest60350irq/132-enp0s29f1:rx-007:11:140
2922862991613,2cyclictest60350irq/132-enp0s29f1:rx-009:00:150
2922862991613,2cyclictest60350irq/132-enp0s29f1:rx-007:25:020
2922862991613,2cyclictest3167570-21kworker/u8:0+flush-259:011:30:020
2922862991613,2cyclictest3131084-21kworker/u8:0+flush-259:010:40:150
2922862991612,3cyclictest2959900-21kworker/u8:2+flush-259:008:55:160
2922862991612,2cyclictest61150irq/133-enp0s29f1:tx-010:10:140
2922862991610,4cyclictest3194428-21kworker/u8:1+flush-259:012:15:200
292287099157,7cyclictest2878467-21kworker/u8:1+flush-259:007:15:152
2922870991512,2cyclictest3245648-21sh12:20:002
2922870991511,3cyclictest3245403-21kworker/u8:0+flush-259:012:20:242
2922870991511,3cyclictest3151165-21ntp_kernel_pll_10:45:202
2922870991510,4cyclictest3193877-21cp11:30:012
292286699159,4cyclictest3167790-21/usr/sbin/munin11:05:161
292286699153,2cyclictest30946832ls09:55:001
2922866991512,2cyclictest3027700-21irqcore08:50:151
2922866991511,2cyclictest3059094-21irqcore09:20:151
2922862991513,1cyclictest60350irq/132-enp0s29f1:rx-012:10:160
2922862991513,1cyclictest60350irq/132-enp0s29f1:rx-008:41:430
2922862991513,1cyclictest60350irq/132-enp0s29f1:rx-008:33:560
2922862991513,1cyclictest60350irq/132-enp0s29f1:rx-008:00:220
2922862991513,1cyclictest60350irq/132-enp0s29f1:rx-007:30:160
2922862991512,2cyclictest61150irq/133-enp0s29f1:tx-010:00:190
2922862991512,2cyclictest60350irq/132-enp0s29f1:rx-009:55:020
2922862991512,2cyclictest60350irq/132-enp0s29f1:rx-009:20:110
2922862991512,2cyclictest0-21swapper/010:35:210
2922862991511,3cyclictest60350irq/132-enp0s29f1:rx-009:50:190
2922862991511,3cyclictest3194428-21kworker/u8:1+flush-259:011:55:240
2922862991511,3cyclictest3047663-21kworker/u8:3+flush-259:009:15:170
292287299148,2cyclictest2980535-21kworker/u8:3+events_unbound08:05:173
2922872991411,2cyclictest2966341-21kthreadcore07:50:163
2922872991411,2cyclictest2878467-21kworker/u8:1+flush-259:007:21:283
292287099149,4cyclictest3104870-21kworker/u8:3+flush-259:010:50:252
2922870991412,1cyclictest3037327-21idleruntime-cro09:00:002
2922870991411,2cyclictest2878467-21kworker/u8:1+flush-259:007:35:252
292286699148,4cyclictest252-21systemd-journal12:15:001
2922866991412,1cyclictest3037335-21systemd-run09:00:001
2922862991413,1cyclictest60350irq/132-enp0s29f1:rx-011:20:330
2922862991412,1cyclictest60350irq/132-enp0s29f1:rx-008:24:000
2922862991412,1cyclictest60350irq/132-enp0s29f1:rx-008:23:590
2922862991412,1cyclictest60350irq/132-enp0s29f1:rx-007:55:230
2922862991411,2cyclictest60350irq/132-enp0s29f1:rx-012:05:230
2922862991411,2cyclictest3079072-21cron09:40:000
2922862991410,3cyclictest2932652-21kworker/u8:3+flush-259:007:18:480
2922872991311,1cyclictest0-21swapper/312:20:003
2922872991310,2cyclictest3022066-21kworker/u8:0+events_unbound09:40:123
2922872991310,2cyclictest2995743-21kworker/u8:1+events_unbound08:19:463
2922872991310,2cyclictest2959900-21kworker/u8:2+events_unbound08:26:353
2922872991310,1cyclictest0-21swapper/312:00:253
2922870991310,2cyclictest3234910-21unixbench_multi12:05:252
292286699139,3cyclictest3001158-21kworker/u8:4+flush-259:009:00:221
292286699138,4cyclictest252-21systemd-journal07:15:001
2922866991310,2cyclictest3141760-21sh10:40:001
2922866991310,1cyclictest0-21swapper/109:30:001
292287299129,3cyclictest3131084-21kworker/u8:0+events_unbound10:52:153
292287299129,2cyclictest3104870-21kworker/u8:3+events_unbound11:15:203
292287299129,2cyclictest2878467-21kworker/u8:1+events_unbound08:00:523
292287299128,3cyclictest3068581-21kworker/u8:2+events_unbound09:31:443
292287099129,2cyclictest3265850-21unixbench_singl12:35:262
292287099129,2cyclictest0-21swapper/209:20:242
292287099127,4cyclictest3172710-21apt-get11:10:012
292287099127,3cyclictest2938310-21cron07:25:002
292286699129,2cyclictest509-21rs:main1
292286699129,2cyclictest509-21rs:main1
292286699129,2cyclictest3250344-21unixbench_multi12:20:241
292286699129,2cyclictest3204015-21unixbench_multi11:35:251
292286699129,2cyclictest2962447-21kthreadcore07:45:181
292286699129,1cyclictest0-21swapper/111:10:161
2922862991211,1cyclictest60350irq/132-enp0s29f1:rx-010:25:030
2922862991210,1cyclictest60350irq/132-enp0s29f1:rx-011:50:070
292287099118,2cyclictest3210894-21kthreadcore11:45:182
292287099118,2cyclictest3126276-21cpuspeed_turbos10:25:142
292287099118,2cyclictest2984767-21ntp_kernel_err08:05:202
292287099117,3cyclictest3178517-21apt-get11:15:112
292287099117,3cyclictest3073486-21unixbench_singl09:30:232
292286699119,1cyclictest0-21swapper/111:45:001
292286699119,1cyclictest0-21swapper/109:45:181
292286699119,1cyclictest0-21swapper/107:20:001
292286699118,2cyclictest3003712-21kthreadcore08:25:191
292286699118,2cyclictest2989941-21ntp_kernel_err08:10:191
292286699117,3cyclictest3017970-21tr08:40:171
292286699115,4cyclictest3110706-21apt-get10:10:121
292286699111,2cyclictest3053272-21awk09:15:001
292287099107,2cyclictest0-21swapper/209:10:002
292286699107,2cyclictest0-21swapper/109:15:141
292286699106,3cyclictest3006772-21fschecks_count08:30:151
292286699106,2cyclictest3146002-21ntpq10:40:211
292286699105,4cyclictest3255126-21ntpq12:25:211
292286699104,4cyclictest3079337-21apt-get09:40:121
29228669997,1cyclictest0-21swapper/109:05:161
29228669982,4cyclictest273-21systemd-udevd12:36:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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