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2026-02-02 - 20:53
[ 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 Mon Feb 02, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3057417994436,5cyclictest3114953-21latency_hist08:05:002
3057421994034,4cyclictest3099849-21diskstats07:50:143
3057421993834,3cyclictest3047239-21kworker/u8:0+flush-259:007:25:233
3057421993833,3cyclictest3125937-21/usr/sbin/munin08:15:143
3057411993832,4cyclictest3259027-21ntpq10:20:200
3057417993732,3cyclictest3229304-21apt-get09:55:132
3057417993732,3cyclictest3229304-21apt-get09:55:132
3057417993629,5cyclictest252-21systemd-journal07:20:002
3057413993630,5cyclictest3285954-21ntpq10:50:161
3057421993429,4cyclictest3254755-21kworker/u8:2+flush-259:010:45:003
3057413993430,3cyclictest3115217-21apt-get08:05:111
3057417993328,3cyclictest3313007-21latency_hist11:20:012
3057417993227,4cyclictest252-21systemd-journal11:15:012
3057411993228,3cyclictest3254755-21kworker/u8:2+flush-259:011:35:160
3057421993126,3cyclictest3083852-21apt-get07:35:133
3057421993125,4cyclictest3317283-21ntpq11:20:233
3057421993124,5cyclictest3156068-21ntpq08:40:213
3057421993124,5cyclictest252-21systemd-journal09:00:003
3057411993127,3cyclictest3047239-21kworker/u8:0+events_unbound07:45:140
3057411993124,5cyclictest3354254-21latency_hist12:00:000
3057413993024,4cyclictest3203302-21latency_hist09:30:001
3057411993026,3cyclictest3254755-21kworker/u8:2+flush-259:010:50:130
3057421992921,5cyclictest252-21systemd-journal09:35:003
3057417992926,2cyclictest3047239-21kworker/u8:0+flush-259:007:50:172
3057411992925,3cyclictest3125724-21kworker/u8:0+events_unbound08:40:220
3057411992924,4cyclictest3302639-21kworker/u8:4+flush-259:011:25:160
3057411992922,5cyclictest3264144-21ntpq10:25:220
3057421992823,4cyclictest252-21systemd-journal07:23:343
3057421992823,3cyclictest3323378-21kworker/u8:3+events_unbound12:10:223
3057417992824,3cyclictest3287500-21/usr/sbin/munin10:55:142
3057413992822,4cyclictest3281159-21cp10:45:011
3057411992825,2cyclictest3083818-21kworker/u8:2+events_unbound08:35:140
3057411992823,3cyclictest3302639-21kworker/u8:4+flush-259:011:15:210
3057411992822,4cyclictest3275875-21diskstats10:40:140
3057411992820,6cyclictest3192109-21ntpq09:15:210
3057421992722,4cyclictest3083818-21kworker/u8:2+flush-259:007:40:223
3057417992721,4cyclictest3177556-21latency_hist09:05:012
3057413992721,4cyclictest3369835-21latency_hist12:15:001
3057411992723,3cyclictest3333605-21kworker/u8:0+flush-259:012:00:210
3057411992722,3cyclictest252-21systemd-journal10:13:340
3057413992623,2cyclictest3254755-21kworker/u8:2+flush-259:011:55:161
3057413992622,3cyclictest3073574-21apt-get07:25:121
3057411992623,2cyclictest3047239-21kworker/u8:0+events_unbound07:15:240
3057411992622,3cyclictest3083818-21kworker/u8:2+flush-259:009:05:170
3057411992622,3cyclictest3083818-21kworker/u8:2+flush-259:007:40:250
3057411992621,3cyclictest3083818-21kworker/u8:2+events_unbound08:10:240
3057411992619,5cyclictest3202477-21ntpq09:25:230
3057421992521,3cyclictest3344170-21apt-get11:50:133
3057421992521,3cyclictest3218738-21kworker/u8:3+flush-259:010:05:203
3057421992521,3cyclictest3193018-21kworker/u8:1+flush-259:009:25:223
3057421992521,3cyclictest3093886-21kworker/u8:3+flush-259:008:25:233
3057421992520,4cyclictest3193018-21kworker/u8:1+flush-259:009:40:013
3057417992520,3cyclictest252-21systemd-journal12:08:352
3057417992519,4cyclictest3151503-21cp08:40:012
3057413992521,3cyclictest3297827-21apt-get11:05:131
3057413992521,3cyclictest252-21systemd-journal11:24:561
3057413992520,4cyclictest252-21systemd-journal08:42:341
3057413992519,4cyclictest252-21systemd-journal07:10:161
3057411992521,3cyclictest3218738-21kworker/u8:3+flush-259:010:30:250
3057411992520,4cyclictest3218738-21kworker/u8:3+flush-259:010:05:220
3057411992519,5cyclictest3083818-21kworker/u8:2+events_unbound08:05:150
3057411992519,4cyclictest3203323-21kworker/u8:2+flush-259:009:55:190
3057411992519,4cyclictest3203323-21kworker/u8:2+flush-259:009:55:190
3057411992518,5cyclictest3374075-21ntpq12:15:200
3057411992518,4cyclictest3062585-21apt-get07:15:000
3057417992418,4cyclictest252-21systemd-journal12:27:332
3057413992418,4cyclictest3212723-21ntpq09:35:211
3057411992420,3cyclictest3270237-21kworker/u8:0+flush-259:011:00:230
3057411992420,3cyclictest3254755-21kworker/u8:2+flush-259:010:50:000
3057411992420,3cyclictest3083818-21kworker/u8:2+flush-259:008:15:210
3057411992419,3cyclictest3125724-21kworker/u8:0+events_unbound08:30:230
3057411992417,5cyclictest3337882-21ntpq11:40:210
3057421992319,3cyclictest3083818-21kworker/u8:2+flush-259:009:15:263
3057421992317,4cyclictest3224115-21/usr/sbin/munin09:50:153
3057417992318,3cyclictest509-21rs:main2
3057417992318,3cyclictest509-21rs:main2
3057413992318,4cyclictest3333605-21kworker/u8:0+flush-259:011:50:001
3057413992318,3cyclictest3136238-21apt-get08:25:121
3057413992317,4cyclictest252-21systemd-journal07:15:171
3057411992319,3cyclictest3323378-21kworker/u8:3+flush-259:012:20:170
3057411992319,3cyclictest3323378-21kworker/u8:3+flush-259:011:30:250
3057411992319,3cyclictest3193018-21kworker/u8:1+events_unbound09:45:170
3057411992319,3cyclictest3068403-21kworker/u8:1+events_unbound07:55:020
3057411992318,3cyclictest252-21systemd-journal11:10:580
3057411992317,4cyclictest3083818-21kworker/u8:2+flush-259:008:20:240
3057421992218,3cyclictest3083818-21kworker/u8:2+events_unbound08:10:223
3057417992216,4cyclictest3239360-21latency_hist10:05:002
3057413992219,2cyclictest3151427-21gpgv08:40:001
3057413992218,3cyclictest3292616-21/usr/sbin/munin11:00:121
3057411992219,2cyclictest3047239-21kworker/u8:0+flush-259:007:50:190
3057411992218,3cyclictest3354278-21kworker/u8:5+events_unbound12:35:150
3057411992217,4cyclictest3302639-21kworker/u8:4+flush-259:011:20:170
3057411992217,3cyclictest3068403-21kworker/u8:1+flush-259:007:20:150
3057421992117,3cyclictest3083818-21kworker/u8:2+flush-259:008:05:213
3057421992116,4cyclictest3083818-21kworker/u8:2+flush-259:009:05:233
3057421992115,4cyclictest3338748-21latency_hist11:45:013
3057417992118,2cyclictest3254755-21kworker/u8:2+flush-259:011:45:232
3057417992115,4cyclictest252-21systemd-journal08:55:002
3057411992117,3cyclictest3083818-21kworker/u8:2+flush-259:009:00:170
3057411992117,3cyclictest3068403-21kworker/u8:1+events_unbound07:35:230
3057411992115,4cyclictest252-21systemd-journal11:05:350
3057421992017,2cyclictest3234224-21kworker/u8:1+flush-259:010:10:183
3057421992016,3cyclictest3083818-21kworker/u8:2+flush-259:008:35:243
3057421992016,3cyclictest3047239-21kworker/u8:0+events_unbound07:45:223
3057421992015,3cyclictest3380325-21/usr/sbin/munin12:25:143
3057421992015,3cyclictest3218738-21kworker/u8:3+flush-259:010:15:173
3057417992014,4cyclictest252-21systemd-journal09:10:432
3057413992016,3cyclictest3328494-21munin-run11:34:591
3057413992016,3cyclictest3131100-21apt-get08:20:121
3057413992016,3cyclictest3109768-21latency_hist08:00:011
3057413992015,4cyclictest3089012-21apt-get07:40:121
3057413992014,4cyclictest252-21systemd-journal07:40:001
3057411992016,3cyclictest3254755-21kworker/u8:2+events_unbound11:50:140
3057411992016,3cyclictest3218738-21kworker/u8:3+flush-259:010:00:240
3057421991916,2cyclictest3218738-21kworker/u8:3+events_unbound10:00:193
3057421991915,3cyclictest3093886-21kworker/u8:3+events_unbound07:55:153
3057421991915,3cyclictest3083818-21kworker/u8:2+flush-259:008:50:163
3057421991914,3cyclictest3203323-21kworker/u8:2+flush-259:009:55:153
3057421991914,3cyclictest3203323-21kworker/u8:2+flush-259:009:55:153
3057421991913,4cyclictest252-21systemd-journal09:40:343
3057417991917,1cyclictest3286847-21/usr/sbin/munin10:55:002
3057413991914,4cyclictest252-21systemd-journal10:20:001
3057411991917,1cyclictest3083818-21kworker/u8:2+events_unbound08:50:260
3057411991915,3cyclictest3323378-21kworker/u8:3+events_unbound12:10:120
3057411991915,3cyclictest3218738-21kworker/u8:3+flush-259:010:15:190
3057411991915,3cyclictest3125724-21kworker/u8:0+events_unbound08:55:130
3057411991915,3cyclictest3125724-21kworker/u8:0+events_unbound08:45:220
3057411991914,3cyclictest3151423-21kworker/u8:3+flush-259:009:20:210
3057411991913,4cyclictest3291497-21ntpq10:55:200
3057421991814,3cyclictest3323378-21kworker/u8:3+events_unbound12:35:243
305741799187,9cyclictest3125698-21awk08:15:002
305741799187,1cyclictest0-21swapper/210:50:002
305741399185,5cyclictest3337938-21grep11:40:221
305741399183,5cyclictest3145013-21cut08:30:201
3057411991815,2cyclictest3323378-21kworker/u8:3+events_unbound12:05:230
3057411991815,2cyclictest3254755-21kworker/u8:2+events_unbound11:45:270
3057411991814,3cyclictest3083818-21kworker/u8:2+flush-259:009:10:240
3057421991714,2cyclictest3323378-21kworker/u8:3+flush-259:011:30:173
3057421991714,2cyclictest3093886-21kworker/u8:3+flush-259:008:25:003
3057421991711,4cyclictest3308311-21diskstats11:15:133
305741799175,9cyclictest3182697-21latency_hist09:10:002
305741799175,3cyclictest3145439-21ntpq08:30:242
3057417991714,2cyclictest3344582-21irqcore11:50:182
3057417991714,2cyclictest3193331-21cpuspeed_turbos09:20:132
305741399174,8cyclictest3239143-21seq10:02:301
305741399174,4cyclictest3364642-21modprobe12:09:341
3057413991715,1cyclictest3114960-21munin-run08:05:001
3057413991715,1cyclictest0-21swapper/109:05:001
3057413991713,3cyclictest3354278-21kworker/u8:5+flush-259:012:30:171
3057413991713,2cyclictest3303034-21cpuspeed_turbos11:10:131
3057413991712,4cyclictest3166389-21ntpq08:50:211
3057411991714,2cyclictest3382638-21kthreadcore12:25:180
3057411991714,2cyclictest3151423-21kworker/u8:3+flush-259:009:30:270
3057411991713,3cyclictest3093886-21kworker/u8:3+events_unbound08:25:210
3057411991713,3cyclictest3047239-21kworker/u8:0+flush-259:007:25:210
3057411991712,3cyclictest3354278-21kworker/u8:5+events_unbound12:30:140
3057411991710,4cyclictest3203323-21kworker/u8:2+events_unbound09:40:180
3057421991613,2cyclictest3234224-21kworker/u8:1+flush-259:010:20:163
3057421991612,3cyclictest3270237-21kworker/u8:0+flush-259:010:55:253
3057421991611,4cyclictest3082786-21smartctl07:30:223
305741799167,6cyclictest3094377-21tune2fs07:45:142
305741799163,4cyclictest3333379-21taskset11:37:402
3057417991613,2cyclictest3224549-21irqcore09:50:172
3057417991613,2cyclictest3128242-21kthreadcore08:15:172
3057417991613,1cyclictest0-21swapper/207:15:002
3057417991610,4cyclictest3072413-21ntpq07:20:232
305741399164,5cyclictest3279837-21proc_pri10:40:251
305741399164,4cyclictest3244356-21seq10:08:431
305741399163,5cyclictest3270012-21chrt10:32:041
3057413991612,3cyclictest3083818-21kworker/u8:2+flush-259:008:10:171
3057411991613,2cyclictest60350irq/132-enp0s29f1:rx-010:38:010
3057411991611,4cyclictest3193018-21kworker/u8:1+flush-259:009:35:200
3057421991513,1cyclictest0-21swapper/309:20:193
3057421991511,3cyclictest3354278-21kworker/u8:5+flush-259:012:15:153
3057421991511,3cyclictest3047239-21kworker/u8:0+flush-259:007:15:153
305741799153,3cyclictest3279723-21ntpq10:40:222
3057417991512,2cyclictest3125724-21kworker/u8:0+events_unbound09:15:192
3057417991511,3cyclictest3354278-21kworker/u8:5+flush-259:012:15:212
305741399159,4cyclictest3229041-21latency_hist09:55:001
305741399158,5cyclictest3344592-21tr11:50:181
305741399157,6cyclictest3218799-21cat09:45:001
305741399154,4cyclictest3248810-21nvmesmart_nvme010:10:251
305741399154,3cyclictest3259756-21taskset10:23:121
305741399154,3cyclictest3098681-21chrt07:46:111
305741399153,4cyclictest3182938-21/usr/sbin/munin09:10:221
3057413991512,2cyclictest3193676-21irqcore09:20:171
3057411991514,1cyclictest60350irq/132-enp0s29f1:rx-009:53:040
3057411991512,2cyclictest60350irq/132-enp0s29f1:rx-007:32:310
3057421991411,2cyclictest3323378-21kworker/u8:3+events_unbound12:20:173
3057421991411,2cyclictest0-21swapper/307:14:593
305741799149,3cyclictest3254724-21awk10:20:002
305741799149,3cyclictest3208767-21cpuspeed_turbos09:35:132
305741799148,4cyclictest3354258-21apt11:59:592
305741799148,4cyclictest3120404-21dpkg08:10:012
305741799147,5cyclictest3161179-21grep08:45:202
305741799145,6cyclictest3323527-21sed11:30:002
3057417991411,2cyclictest3317739-21unixbench_singl11:20:282
305741399149,4cyclictest3385232-21apt12:30:001
305741399149,4cyclictest3177796-21/usr/sbin/munin09:05:161
305741399149,3cyclictest3223108-21ps09:45:251
305741399148,5cyclictest3270948-21grep10:35:151
305741399148,4cyclictest3395498-21awk12:40:001
305741399148,4cyclictest3100100-21tr07:50:161
305741399147,5cyclictest3072514-21tr07:20:251
305741399147,4cyclictest3322856-21sed11:25:251
305741399146,5cyclictest3308137-21find11:15:111
3057413991411,2cyclictest3260584-21irqcore10:25:181
3057411991412,1cyclictest60350irq/132-enp0s29f1:rx-008:00:110
305742199139,3cyclictest3318191-21kworker/u8:1+flush-259:012:00:513
305742199139,3cyclictest3281703-21kworker/u8:3+flush-259:010:50:423
305742199139,3cyclictest3281006-21gpgv10:45:023
305742199139,3cyclictest3254755-21kworker/u8:2+events_unbound11:10:243
305742199137,4cyclictest1-21systemd10:35:013
305741799138,4cyclictest3297565-21sh11:05:002
305741799138,3cyclictest3338755-21grep11:44:592
305741799138,3cyclictest3249615-21apt10:15:002
305741799138,3cyclictest3203989-21tr09:30:172
305741799138,3cyclictest3171993-21grep08:55:252
305741799138,3cyclictest3156055-21ntp_kernel_err08:40:212
305741799138,3cyclictest0-21swapper/207:40:142
305741799137,5cyclictest3082623-21needreboot07:30:192
305741799137,5cyclictest3078439-21grep07:30:002
305741799137,4cyclictest3297963-21grep11:05:132
305741799137,4cyclictest3265530-21cut10:30:142
305741799136,5cyclictest3379110-21needreboot12:20:202
305741799136,5cyclictest3274972-21tail10:35:242
305741799136,5cyclictest3255095-21grep10:20:122
305741799136,5cyclictest3136652-21sed08:25:172
305741799136,5cyclictest3084107-21fschecks_time07:35:152
305741799135,6cyclictest3221778-21grep09:45:192
305741799135,5cyclictest3390804-21df_inode12:35:152
305741799134,7cyclictest3359576-21cat12:05:002
305741799134,7cyclictest3218868-21wc09:45:002
3057417991311,1cyclictest0-21swapper/209:30:002
305741399138,3cyclictest3161177-21strings08:45:201
305741399137,4cyclictest3287942-21irqcore10:55:151
305741399137,4cyclictest3234169-21idleruntime-cro10:00:011
305741399137,4cyclictest3234169-21idleruntime-cro10:00:001
305741399137,4cyclictest3126186-21grep08:15:141
305741399137,4cyclictest3079098-21grep07:30:161
305741399136,5cyclictest3370578-21cut12:15:161
305741399136,5cyclictest3188766-21irqcore09:15:171
305741399135,6cyclictest3172573-21wc09:00:011
305741399133,3cyclictest832-21runrttasks11:36:551
305742199129,2cyclictest3359840-21cpuspeed_turbos12:05:143
305742199128,3cyclictest3323378-21kworker/u8:3+flush-259:011:45:183
305742199128,3cyclictest3193018-21kworker/u8:1+flush-259:009:45:103
305742199128,3cyclictest3093886-21kworker/u8:3+flush-259:008:05:003
305742199126,4cyclictest3146312-21cat08:35:013
305742199123,2cyclictest32652612latency_hist10:30:003
305741799127,3cyclictest3369839-21awk12:14:592
305741799126,4cyclictest3241475-21cut10:05:162
305741399127,3cyclictest3375259-21apt-get12:20:121
305742199118,2cyclictest3292707-21cpuspeed_turbos11:00:113
305742199118,2cyclictest3177139-21unixbench_singl09:00:263
305742199118,2cyclictest3157314-21cpuspeed_turbos08:45:133
305742199118,2cyclictest0-21swapper/312:30:243
305742199117,3cyclictest3332771-21grep11:35:223
305742199106,3cyclictest3291989-21kworker/u8:1+flush-259:011:07:053
305742199101,1cyclictest3275434-21cron10:40:003
30574219990,3cyclictest3354322-21cat12:00:013
30574219981,5cyclictest832-21runrttasks11:25:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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