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2026-02-19 - 21:03
[ 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 the 792 highest latencies:
System rackeslot4s.osadl.org (updated Thu Feb 19, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3161306994642,3cyclictest3244616-21kworker/u8:2+events_unbound08:55:162
3161306994641,4cyclictest3228804-21gpgv08:15:002
3161299994238,3cyclictest3295769-21kworker/u8:1+flush-259:009:40:210
3161299993935,3cyclictest3223574-21kworker/u8:3+flush-259:008:15:160
3161299993835,2cyclictest3348338-21fwupd10:09:160
3161306993731,4cyclictest3494524-21latency_hist12:30:002
3161299993731,4cyclictest3341957-21ntpq10:00:190
3161311993631,3cyclictest3374661-21kworker/u8:4+flush-259:010:40:163
3161299993633,2cyclictest3442580-21kworker/u8:4+flush-259:012:00:240
3161306993530,3cyclictest3390426-21apt-get10:50:112
3161299993429,4cyclictest252-21systemd-journal09:00:000
3161299993428,4cyclictest3228686-21latency_hist08:15:000
3161306993328,3cyclictest3301654-21kworker/u8:2+flush-259:010:25:002
3161306993327,4cyclictest3343489-21/usr/sbin/munin10:05:152
3161303993228,3cyclictest3474093-21apt-get12:10:081
3161303993228,3cyclictest3364356-21kworker/u8:3+flush-259:011:05:171
3161299993228,3cyclictest3166483-21kworker/u8:1+flush-259:007:50:230
3161303993128,2cyclictest3181934-21kworker/u8:2+flush-259:007:45:161
3161303993125,4cyclictest3213090-21cat08:00:001
3161299993126,4cyclictest3301654-21kworker/u8:2+flush-259:009:40:000
3161311993025,3cyclictest3364356-21kworker/u8:3+events_unbound11:10:193
3161311993025,3cyclictest3234026-21kworker/u8:1+flush-259:008:35:163
3161311993025,3cyclictest3166483-21kworker/u8:1+events_unbound07:20:163
3161311993021,6cyclictest252-21systemd-journal08:40:163
3161306993027,2cyclictest3301654-21kworker/u8:2+flush-259:009:35:202
3161306993026,3cyclictest3373730-21kworker/u8:0+flush-259:011:35:252
3161303993027,2cyclictest3364356-21kworker/u8:3+flush-259:010:45:201
3161303993027,2cyclictest3295769-21kworker/u8:1+flush-259:009:20:231
3161303993027,2cyclictest1083619-21kworker/u8:4+events_unbound07:10:161
3161306992926,2cyclictest3275482-21kworker/u8:0+events_unbound09:50:182
3161306992926,2cyclictest3234026-21kworker/u8:1+events_unbound08:40:252
3161306992925,3cyclictest3234026-21kworker/u8:1+events_unbound08:45:242
3161303992925,3cyclictest3223574-21kworker/u8:3+events_unbound08:30:121
3161303992925,3cyclictest3223574-21kworker/u8:3+events_unbound08:30:121
3161303992925,3cyclictest3166483-21kworker/u8:1+flush-259:007:25:211
3161299992925,3cyclictest3436790-21kworker/u8:3+flush-259:011:45:200
3161299992925,3cyclictest3416269-21kworker/u8:2+flush-259:011:35:150
3161299992925,3cyclictest3374661-21kworker/u8:4+flush-259:011:10:000
3161299992925,3cyclictest3374661-21kworker/u8:4+flush-259:010:50:210
3161311992824,3cyclictest3453481-21apt-get11:50:123
3161311992821,5cyclictest252-21systemd-journal08:10:133
3161306992824,3cyclictest3416269-21kworker/u8:2+flush-259:011:25:182
3161306992824,3cyclictest3295769-21kworker/u8:1+flush-259:009:55:212
3161299992823,3cyclictest3301654-21kworker/u8:2+flush-259:009:50:000
3161299992821,5cyclictest3296868-21diskstats09:20:130
3161299992820,6cyclictest3238575-21ntpq08:20:210
3161311992721,4cyclictest3306756-21awk09:30:003
3161303992724,2cyclictest3395337-21kworker/u8:1+flush-259:011:15:141
3161303992724,2cyclictest3373730-21kworker/u8:0+flush-259:010:55:011
3161303992724,2cyclictest3295769-21kworker/u8:1+events_unbound10:30:231
3161303992722,3cyclictest252-21systemd-journal09:30:351
3161299992723,3cyclictest3369746-21apt-get10:30:120
3161299992723,3cyclictest3295769-21kworker/u8:1+events_unbound10:20:220
3161299992722,4cyclictest3472963-21kworker/u8:1+events_unbound12:15:130
3161306992623,2cyclictest3374661-21kworker/u8:4+flush-259:010:55:162
3161306992620,4cyclictest3452981-21cp11:50:002
3161303992622,3cyclictest3494790-21apt-get12:30:121
3161303992622,3cyclictest3301654-21kworker/u8:2+events_unbound10:00:251
3161303992622,3cyclictest3244616-21kworker/u8:2+events_unbound09:00:231
3161299992623,2cyclictest3275482-21kworker/u8:0+flush-259:009:05:230
3161299992622,3cyclictest3416269-21kworker/u8:2+events_unbound11:25:190
3161299992622,3cyclictest3234026-21kworker/u8:1+flush-259:008:40:260
3161299992622,3cyclictest3166483-21kworker/u8:1+events_unbound07:25:200
3161299992621,4cyclictest3353688-21gpgv10:15:000
3161299992621,3cyclictest3458609-21/usr/sbin/munin11:55:150
3161299992620,4cyclictest3265424-21apt-get08:50:110
3161311992519,4cyclictest1083619-21kworker/u8:4+flush-259:007:20:013
3161306992522,2cyclictest3463754-21kworker/u8:0+flush-259:012:05:202
3161306992521,3cyclictest3373730-21kworker/u8:0+events_unbound11:00:242
3161303992522,2cyclictest3275482-21kworker/u8:0+flush-259:009:10:211
3161299992521,3cyclictest3239700-21apt-get08:25:110
3161299992521,3cyclictest3166483-21kworker/u8:1+events_unbound07:55:220
3161299992521,3cyclictest3166483-21kworker/u8:1+events_unbound07:40:130
3161299992520,4cyclictest3472963-21kworker/u8:1+events_unbound12:25:000
3161299992519,4cyclictest3364754-21diskstats10:25:140
3161299992519,4cyclictest252-21systemd-journal09:05:000
3161311992419,4cyclictest3295769-21kworker/u8:1+flush-259:010:30:173
3161306992421,2cyclictest3234026-21kworker/u8:1+events_unbound08:30:202
3161306992421,2cyclictest3234026-21kworker/u8:1+events_unbound08:30:202
3161306992420,2cyclictest3452795-21apt-get11:50:032
3161306992419,3cyclictest252-21systemd-journal11:15:002
316130399240,22cyclictest1-21systemd09:55:011
3161299992420,3cyclictest3484412-21kworker/u8:2+events_unbound12:25:230
3161299992420,3cyclictest3395337-21kworker/u8:1+events_unbound11:15:200
3161299992420,3cyclictest1083619-21kworker/u8:4+flush-259:007:30:200
3161299992418,4cyclictest3364356-21kworker/u8:3+flush-259:010:55:170
3161306992319,3cyclictest3301654-21kworker/u8:2+events_unbound09:25:142
3161306992316,5cyclictest3233362-21ntpq08:15:202
3161303992320,2cyclictest3301654-21kworker/u8:2+flush-259:009:35:241
3161303992319,3cyclictest1083619-21kworker/u8:4+events_unbound07:15:121
3161299992319,3cyclictest3395337-21kworker/u8:1+events_unbound11:20:190
3161299992319,3cyclictest3275482-21kworker/u8:0+flush-259:009:50:110
3161299992316,5cyclictest252-21systemd-journal09:35:000
3161306992219,2cyclictest3472963-21kworker/u8:1+flush-259:012:20:202
3161306992219,2cyclictest3295769-21kworker/u8:1+events_unbound09:45:232
3161306992218,3cyclictest3266075-21kworker/u8:3+flush-259:009:20:152
3161306992217,3cyclictest252-21systemd-journal11:58:152
3161303992219,2cyclictest3472963-21kworker/u8:1+flush-259:012:35:161
3161303992219,2cyclictest3442580-21kworker/u8:4+events_unbound11:55:221
3161303992219,2cyclictest3295769-21kworker/u8:1+flush-259:009:55:171
3161303992219,2cyclictest3275482-21kworker/u8:0+flush-259:009:05:211
3161303992219,2cyclictest3181934-21kworker/u8:2+flush-259:008:05:141
3161303992217,4cyclictest3421456-21/usr/sbin/munin11:20:141
3161299992218,3cyclictest3373730-21kworker/u8:0+events_unbound10:35:230
3161299992218,3cyclictest1083619-21kworker/u8:4+flush-259:007:10:170
3161311992117,3cyclictest1083619-21kworker/u8:4+flush-259:007:30:013
3161311992114,4cyclictest252-21systemd-journal10:56:153
3161311992113,6cyclictest252-21systemd-journal10:09:593
3161306992118,2cyclictest3442580-21kworker/u8:4+flush-259:012:15:242
3161306992118,2cyclictest3295769-21kworker/u8:1+flush-259:010:20:002
3161306992118,2cyclictest3181934-21kworker/u8:2+flush-259:007:45:192
3161306992118,2cyclictest1083619-21kworker/u8:4+events_unbound07:30:182
3161306992117,3cyclictest3472963-21kworker/u8:1+flush-259:012:10:192
3161306992117,3cyclictest3181934-21kworker/u8:2+flush-259:007:35:242
3161306992117,3cyclictest3181934-21kworker/u8:2+events_unbound08:00:002
3161306992117,3cyclictest3166483-21kworker/u8:1+flush-259:008:00:162
3161303992118,2cyclictest3234026-21kworker/u8:1+events_unbound08:40:191
3161303992117,3cyclictest3364356-21kworker/u8:3+events_unbound11:10:221
3161303992117,3cyclictest3295769-21kworker/u8:1+flush-259:009:40:221
3161303992117,3cyclictest3234026-21kworker/u8:1+events_unbound08:50:141
3161299992117,3cyclictest3244616-21kworker/u8:2+flush-259:008:35:000
3161299992117,3cyclictest3244616-21kworker/u8:2+flush-259:008:35:000
3161299992117,3cyclictest3166483-21kworker/u8:1+flush-259:007:18:520
3161306992017,2cyclictest3395337-21kworker/u8:1+events_unbound11:20:182
3161306992017,2cyclictest3364356-21kworker/u8:3+events_unbound11:05:232
3161306992017,2cyclictest3301654-21kworker/u8:2+flush-259:010:00:202
3161306992017,2cyclictest3295769-21kworker/u8:1+events_unbound09:40:202
3161306992016,2cyclictest3295769-21kworker/u8:1+flush-259:009:30:122
3161303992017,2cyclictest3436790-21kworker/u8:3+events_unbound11:45:161
3161303992017,2cyclictest3364356-21kworker/u8:3+events_unbound10:35:141
3161303992016,3cyclictest3187314-21apt-get07:35:111
3161303992016,3cyclictest3166483-21kworker/u8:1+flush-259:007:50:161
3161299992017,2cyclictest3416269-21kworker/u8:2+events_unbound11:30:250
3161299992015,3cyclictest3213385-21base6408:00:000
3161311991915,2cyclictest0-21swapper/311:45:003
3161311991914,4cyclictest3442041-21gpgv11:40:013
3161311991914,3cyclictest0-21swapper/310:05:013
3161311991912,4cyclictest3358338-21ntpq10:15:233
3161306991916,2cyclictest3244616-21kworker/u8:2+flush-259:009:15:232
3161306991915,3cyclictest3295769-21kworker/u8:1+flush-259:010:10:222
3161306991915,3cyclictest3234026-21kworker/u8:1+flush-259:008:50:242
3161303991916,2cyclictest1083619-21kworker/u8:4+events_unbound07:30:191
3161303991915,3cyclictest3364356-21kworker/u8:3+events_unbound10:25:191
3161303991910,7cyclictest3405638-21basename11:05:001
3161299991916,2cyclictest3364356-21kworker/u8:3+events_unbound10:45:200
3161299991915,3cyclictest3275482-21kworker/u8:0+events_unbound09:10:130
3161311991815,1cyclictest0-21swapper/308:00:003
3161311991814,3cyclictest3295769-21kworker/u8:1+flush-259:009:55:373
3161311991814,3cyclictest3234026-21kworker/u8:1+flush-259:008:25:153
3161311991813,3cyclictest3327626-21apt-get09:50:093
3161311991813,3cyclictest3296707-21apt-get09:20:123
3161306991815,2cyclictest3484412-21kworker/u8:2+flush-259:012:30:182
3161306991815,2cyclictest3166483-21kworker/u8:1+events_unbound07:50:192
3161303991816,2cyclictest3234026-21kworker/u8:1+events_unbound08:35:191
3161303991815,2cyclictest3395337-21kworker/u8:1+events_unbound11:40:141
3161303991814,3cyclictest3374661-21kworker/u8:4+events_unbound10:40:221
3161303991814,3cyclictest3166483-21kworker/u8:1+flush-259:007:20:571
3161299991814,3cyclictest3374661-21kworker/u8:4+events_unbound10:40:200
3161299991813,4cyclictest3166483-21kworker/u8:1+flush-259:007:20:160
3161299991812,4cyclictest3234026-21kworker/u8:1+flush-259:008:45:170
3161311991713,3cyclictest3472963-21kworker/u8:1+flush-259:012:11:323
3161311991712,4cyclictest507-21in:imuxsock09:20:003
3161311991711,4cyclictest3249740-21latency_hist08:35:003
3161311991711,4cyclictest3249740-21latency_hist08:35:003
3161306991716,1cyclictest3373730-21kworker/u8:0+events_unbound10:35:242
3161306991714,2cyclictest3442580-21kworker/u8:4+flush-259:012:05:012
3161306991714,2cyclictest3223574-21kworker/u8:3+flush-259:008:20:162
3161306991714,2cyclictest1083619-21kworker/u8:4+flush-259:007:15:162
3161303991715,2cyclictest3234026-21kworker/u8:1+events_unbound08:25:221
3161303991714,2cyclictest3472963-21kworker/u8:1+flush-259:012:20:101
3161303991714,2cyclictest3463754-21kworker/u8:0+flush-259:012:05:211
3161303991713,3cyclictest3442580-21kworker/u8:4+events_unbound12:00:151
3161303991713,3cyclictest3223574-21kworker/u8:3+flush-259:008:20:151
3161299991714,2cyclictest60350irq/132-enp0s29f1:rx-012:33:000
3161299991714,2cyclictest3472963-21kworker/u8:1+events_unbound12:35:140
3161299991714,2cyclictest3463754-21kworker/u8:0+events_unbound12:06:170
3161299991714,2cyclictest3436790-21kworker/u8:3+events_unbound11:50:150
3161299991713,3cyclictest3244616-21kworker/u8:2+events_unbound09:15:220
3161299991712,3cyclictest3295769-21kworker/u8:1+flush-259:009:25:160
3161311991612,2cyclictest0-21swapper/311:20:003
3161306991614,1cyclictest3421214-21sh11:20:002
3161306991613,2cyclictest3275482-21kworker/u8:0+events_unbound09:10:192
3161306991612,3cyclictest3395337-21kworker/u8:1+events_unbound11:40:122
3161306991612,3cyclictest3166483-21kworker/u8:1+flush-259:007:25:122
3161306991612,3cyclictest1083619-21kworker/u8:4+flush-259:007:10:152
3161306991610,4cyclictest3197366-21latency_hist07:45:002
3161303991613,2cyclictest3442580-21kworker/u8:4+flush-259:012:15:211
3161303991613,2cyclictest3436790-21kworker/u8:3+flush-259:011:50:201
3161303991613,2cyclictest3301654-21kworker/u8:2+events_unbound10:15:011
3161303991612,3cyclictest3166483-21kworker/u8:1+flush-259:008:00:141
3161299991612,3cyclictest3301654-21kworker/u8:2+events_unbound09:59:170
3161299991610,4cyclictest3400729-21/usr/sbin/munin11:00:130
316131199159,4cyclictest3374661-21kworker/u8:4+flush-259:010:50:163
316131199158,4cyclictest3234280-21latency_hist08:20:003
3161311991512,2cyclictest0-21swapper/312:25:143
3161311991511,3cyclictest3436790-21kworker/u8:3+flush-259:012:05:163
3161311991510,3cyclictest3181934-21kworker/u8:2+flush-259:007:39:213
3161306991512,2cyclictest3234026-21kworker/u8:1+flush-259:008:25:162
3161306991511,3cyclictest3373730-21kworker/u8:0+flush-259:011:30:162
316130699150,14cyclictest1-21systemd10:45:012
3161303991513,1cyclictest0-21swapper/110:15:201
3161303991512,2cyclictest3484412-21kworker/u8:2+flush-259:012:25:171
3161303991512,2cyclictest3301654-21kworker/u8:2+events_unbound09:25:221
3161303991511,3cyclictest3244616-21kworker/u8:2+flush-259:009:15:241
3161303991510,4cyclictest3244616-21kworker/u8:2+flush-259:008:55:241
3161299991511,3cyclictest3295769-21kworker/u8:1+flush-259:010:15:150
3161299991511,3cyclictest3181934-21kworker/u8:2+events_unbound07:45:250
3161299991511,3cyclictest3166483-21kworker/u8:1+flush-259:008:05:250
3161299991510,4cyclictest3364356-21kworker/u8:3+events_unbound11:12:150
3161311991411,2cyclictest3264242-21ntp_kernel_err08:45:213
3161311991411,2cyclictest3239436-21idleruntime-cro08:25:003
3161311991411,2cyclictest0-21swapper/309:05:203
3161311991410,3cyclictest3472963-21kworker/u8:1+flush-259:012:15:173
3161311991410,3cyclictest3295769-21kworker/u8:1+flush-259:010:10:423
3161299991410,3cyclictest3442580-21kworker/u8:4+flush-259:012:11:060
316131199139,3cyclictest3436790-21kworker/u8:3+flush-259:011:45:263
316131199139,2cyclictest0-21swapper/312:35:153
3161311991310,2cyclictest3463928-21cpuspeed_turbos12:00:123
316130699138,3cyclictest252-21systemd-journal08:08:162
3161306991311,1cyclictest0-21swapper/210:50:002
3161306991310,2cyclictest3280904-21cpuspeed_turbos09:05:132
316130399138,4cyclictest252-21systemd-journal08:20:001
316130399138,3cyclictest3228874-21cp08:15:001
316130399131,11cyclictest509-21rs:main1
316129999139,3cyclictest60350irq/132-enp0s29f1:rx-011:40:110
3161299991312,1cyclictest60350irq/132-enp0s29f1:rx-007:37:050
316131199129,1cyclictest0-21swapper/307:50:163
316131199128,2cyclictest0-21swapper/312:35:003
316130699129,2cyclictest3368878-21timerandwakeup10:25:252
316130699128,3cyclictest3253977-21ntp_kernel_err08:35:192
316130399129,2cyclictest3295769-21kworker/u8:1+flush-259:010:20:241
316130399128,2cyclictest3442130-21latency_hist11:40:001
316130399127,3cyclictest3395554-21/usr/sbin/munin10:55:131
316131199118,2cyclictest3488911-21unixbench_multi12:20:243
316131199118,2cyclictest3426749-21cpuspeed_turbos11:25:143
316131199118,2cyclictest3365020-21irqcore10:25:163
316131199118,2cyclictest3161598-21cpuspeed_turbos07:10:123
316131199115,4cyclictest3379810-21idleruntime-cro10:40:003
316131199111,8cyclictest3317047-21latency_hist09:40:013
316130699119,1cyclictest0-21swapper/212:39:592
316130699117,3cyclictest3275957-21perl09:00:142
316131199106,3cyclictest3275874-21fschecks_count09:00:143
316130399107,2cyclictest3416269-21kworker/u8:2+flush-259:011:26:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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