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2026-02-23 - 22:20
[ 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 376 highest latencies:
System rackeslot4s.osadl.org (updated Mon Feb 23, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3426675994340,2cyclictest3635107-21kworker/u8:3+flush-259:010:40:250
3426675994340,2cyclictest3635107-21kworker/u8:3+flush-259:010:40:250
3426675993936,2cyclictest3541747-21kworker/u8:4+events_unbound09:35:400
3426685993834,3cyclictest3442290-21gpgv07:25:013
3426675993835,2cyclictest3541747-21kworker/u8:4+flush-259:009:00:250
3426675993733,3cyclictest3598507-21kworker/u8:2+events_unbound10:00:240
3426682993634,1cyclictest3509398-21kworker/u8:1+events_unbound08:30:232
3426682993632,3cyclictest3509398-21kworker/u8:1+flush-259:009:10:252
3426675993633,2cyclictest3635107-21kworker/u8:3+events_unbound11:05:230
3426675993632,3cyclictest3707749-21kworker/u8:4+events_unbound11:50:020
3426675993532,2cyclictest3624176-21kworker/u8:0+events_unbound10:55:240
3426675993532,2cyclictest1352452-21kworker/u8:0+flush-259:007:20:000
3426675993530,2cyclictest3552064-21kworker/u8:2+events_unbound09:30:220
3426685993431,2cyclictest3728605-21kworker/u8:3+events_unbound12:00:243
3426675993431,2cyclictest3681081-21kworker/u8:0+events_unbound11:30:150
3426682993330,2cyclictest3588393-21kworker/u8:1+events_unbound09:55:242
3426675993330,2cyclictest3728797-21kworker/u8:4+events_unbound12:15:220
3426675993330,2cyclictest1352452-21kworker/u8:0+events_unbound07:55:220
3426685993228,3cyclictest3598507-21kworker/u8:2+events_unbound10:15:233
3426685993126,4cyclictest3624176-21kworker/u8:0+flush-259:010:35:003
3426682993129,2cyclictest3426109-21kworker/u8:2+flush-259:007:30:242
3426682993128,2cyclictest3514944-21kworker/u8:2+events_unbound08:45:232
3426682993128,2cyclictest3483861-21kworker/u8:3+events_unbound08:20:152
3426682993128,2cyclictest3483861-21kworker/u8:3+events_unbound08:20:152
3426682993128,2cyclictest3426109-21kworker/u8:2+events_unbound07:25:252
3426682993128,2cyclictest1352452-21kworker/u8:0+events_unbound07:35:222
3426675993128,2cyclictest3509398-21kworker/u8:1+events_unbound08:35:220
3426675993127,3cyclictest3728605-21kworker/u8:3+events_unbound12:20:220
3426675993127,3cyclictest3671016-21kworker/u8:1+events_unbound11:10:240
3426685993027,2cyclictest3728605-21kworker/u8:3+flush-259:012:30:243
3426685993027,2cyclictest3728605-21kworker/u8:3+flush-259:012:15:213
3426685993027,2cyclictest1352452-21kworker/u8:0+flush-259:007:35:243
3426685993024,4cyclictest252-21systemd-journal09:20:273
3426682993028,2cyclictest1352452-21kworker/u8:0+events_unbound07:40:242
3426682993027,2cyclictest3426109-21kworker/u8:2+events_unbound07:10:242
3426675993026,3cyclictest3588393-21kworker/u8:1+flush-259:010:20:270
3426675993024,4cyclictest3744529-21latency_hist12:15:000
3426685992926,2cyclictest3635107-21kworker/u8:3+flush-259:010:50:213
3426685992923,3cyclictest3426109-21kworker/u8:2+events_unbound07:25:233
3426675992925,3cyclictest3509398-21kworker/u8:1+flush-259:009:10:240
3426685992825,2cyclictest3635107-21kworker/u8:3+flush-259:011:15:003
3426685992825,2cyclictest1352452-21kworker/u8:0+events_unbound07:55:173
3426682992826,2cyclictest3588393-21kworker/u8:1+events_unbound09:50:232
3426682992825,3cyclictest3624176-21kworker/u8:0+events_unbound10:25:222
3426682992825,2cyclictest3650375-21kworker/u8:2+events_unbound11:00:232
3426682992825,2cyclictest3514944-21kworker/u8:2+events_unbound08:50:222
3426675992825,2cyclictest3426109-21kworker/u8:2+events_unbound07:30:200
3426675992821,5cyclictest3602725-21ntpq09:55:220
3426685992724,2cyclictest3541747-21kworker/u8:4+flush-259:009:05:253
3426682992725,2cyclictest3728605-21kworker/u8:3+events_unbound12:10:142
3426682992725,2cyclictest3681081-21kworker/u8:0+events_unbound11:15:252
3426682992725,2cyclictest3588393-21kworker/u8:1+events_unbound10:30:222
3426682992724,2cyclictest3681081-21kworker/u8:0+flush-259:011:30:272
3426682992724,2cyclictest3567525-21kworker/u8:5+events_unbound09:35:222
3426682992723,3cyclictest3717842-21apt-get11:50:002
3426678992717,8cyclictest0-21swapper/112:19:591
3426675992724,2cyclictest3728605-21kworker/u8:3+flush-259:012:35:140
3426675992724,2cyclictest3655728-21kworker/u8:4+events_unbound10:50:120
3426675992724,2cyclictest3650375-21kworker/u8:2+flush-259:011:00:230
3426675992724,2cyclictest3463262-21kworker/u8:1+events_unbound08:05:260
3426682992622,3cyclictest3520071-21apt-get08:40:002
3426682992621,4cyclictest507-21in:imuxsock10:15:002
3426678992621,4cyclictest3468378-21latency_hist07:50:001
342667899261,15cyclictest3437084-21cat07:20:011
3426675992620,5cyclictest3561474-21ntpq09:15:210
3426685992522,2cyclictest3671016-21kworker/u8:1+events_unbound11:20:203
3426685992522,2cyclictest3650375-21kworker/u8:2+events_unbound10:55:023
3426685992522,2cyclictest3588393-21kworker/u8:1+events_unbound09:55:203
3426685992522,2cyclictest3588393-21kworker/u8:1+events_unbound09:45:213
3426685992522,2cyclictest3426109-21kworker/u8:2+events_unbound07:30:153
3426685992519,2cyclictest3728605-21kworker/u8:3+flush-259:012:10:233
3426682992523,2cyclictest3635107-21kworker/u8:3+events_unbound10:49:272
3426682992522,2cyclictest3728605-21kworker/u8:3+flush-259:012:31:312
3426682992522,2cyclictest3691863-21kworker/u8:2+events_unbound11:25:142
3426682992522,2cyclictest3635107-21kworker/u8:3+events_unbound11:35:132
3426682992522,2cyclictest3552064-21kworker/u8:2+events_unbound09:45:012
3426682992521,3cyclictest3426109-21kworker/u8:2+events_unbound08:25:122
3426682992521,3cyclictest3426109-21kworker/u8:2+events_unbound07:15:242
3426678992519,4cyclictest3489274-21apt-get08:10:121
3426675992522,2cyclictest3691863-21kworker/u8:2+events_unbound11:40:130
3426675992522,2cyclictest3635107-21kworker/u8:3+events_unbound10:35:280
3426675992522,2cyclictest3598507-21kworker/u8:2+events_unbound10:15:110
3426685992421,2cyclictest3728797-21kworker/u8:4+events_unbound12:05:173
3426685992421,2cyclictest3728605-21kworker/u8:3+events_unbound12:20:183
3426685992421,2cyclictest3681081-21kworker/u8:0+events_unbound11:30:013
3426685992421,2cyclictest3635107-21kworker/u8:3+flush-259:010:40:263
3426685992421,2cyclictest3635107-21kworker/u8:3+flush-259:010:40:263
3426685992420,3cyclictest3572976-21apt-get09:30:133
3426685992419,4cyclictest3717868-21gpgv11:50:013
3426682992421,2cyclictest3728605-21kworker/u8:3+flush-259:012:05:292
3426682992419,4cyclictest252-21systemd-journal08:07:282
3426682992418,4cyclictest3467514-21ntpq07:45:222
3426678992416,6cyclictest252-21systemd-journal11:10:001
3426675992421,2cyclictest3509398-21kworker/u8:1+events_unbound08:45:110
3426675992419,4cyclictest3483837-21latency_hist08:05:010
3426685992320,2cyclictest3624176-21kworker/u8:0+flush-259:010:45:233
3426685992319,3cyclictest3609022-21apt-get10:05:123
3426682992321,2cyclictest3728797-21kworker/u8:4+events_unbound12:15:282
3426682992320,2cyclictest3635107-21kworker/u8:3+events_unbound10:40:232
3426682992320,2cyclictest3635107-21kworker/u8:3+events_unbound10:40:232
3426682992320,2cyclictest3552064-21kworker/u8:2+events_unbound09:25:242
3426678992316,4cyclictest3473553-21latency_hist07:55:011
3426675992320,2cyclictest3514944-21kworker/u8:2+events_unbound08:50:210
3426675992320,2cyclictest3426109-21kworker/u8:2+flush-259:007:20:200
3426685992219,2cyclictest3588182-21kworker/u8:0+events_unbound09:50:133
3426685992218,3cyclictest3681081-21kworker/u8:0+flush-259:011:30:233
3426685992218,3cyclictest3426109-21kworker/u8:2+flush-259:007:45:003
3426685992217,4cyclictest3760016-21latency_hist12:30:003
3426682992216,2cyclictest3588393-21kworker/u8:1+events_unbound10:05:252
3426682992215,5cyclictest3546012-21ntpq09:00:222
3426675992219,2cyclictest3691863-21kworker/u8:2+events_unbound11:45:240
3426675992219,2cyclictest3426109-21kworker/u8:2+events_unbound07:25:150
3426685992118,2cyclictest3426109-21kworker/u8:2+flush-259:008:25:003
3426685992118,2cyclictest3426109-21kworker/u8:2+flush-259:008:25:003
3426685992117,3cyclictest3635107-21kworker/u8:3+flush-259:011:05:203
3426685992117,3cyclictest3509398-21kworker/u8:1+events_unbound09:10:143
3426682992119,2cyclictest3728797-21kworker/u8:4+events_unbound12:25:122
3426682992119,2cyclictest3588393-21kworker/u8:1+flush-259:009:45:262
3426682992118,2cyclictest3598507-21kworker/u8:2+events_unbound10:01:292
3426682992118,2cyclictest3463262-21kworker/u8:1+events_unbound07:50:292
3426678992115,4cyclictest3640280-21/usr/sbin/munin10:35:171
3426678992112,7cyclictest3588426-21apt-get09:45:121
3426675992118,2cyclictest3598507-21kworker/u8:2+events_unbound10:10:130
3426675992118,2cyclictest3541747-21kworker/u8:4+events_unbound09:20:170
3426675992118,2cyclictest3541747-21kworker/u8:4+events_unbound09:05:260
3426675992118,2cyclictest3509398-21kworker/u8:1+flush-259:008:55:140
3426675992118,2cyclictest3483861-21kworker/u8:3+events_unbound08:14:590
3426675992116,4cyclictest252-21systemd-journal08:45:000
3426675992115,4cyclictest252-21systemd-journal07:40:000
3426685992018,1cyclictest3681081-21kworker/u8:0+events_unbound11:15:483
3426685992016,3cyclictest3536342-21kworker/u8:0+events_unbound09:00:163
3426685992014,2cyclictest3707749-21kworker/u8:4+events_unbound11:40:243
3426682992018,2cyclictest3588393-21kworker/u8:1+events_unbound10:21:282
342667899201,10cyclictest3536965-21df_inode08:55:141
3426675992018,1cyclictest0-21swapper/012:10:010
3426675992017,2cyclictest3681081-21kworker/u8:0+flush-259:011:15:210
3426675992016,3cyclictest3426109-21kworker/u8:2+events_unbound08:25:170
3426675992014,4cyclictest3733776-21latency_hist12:05:010
3426685991917,2cyclictest3552064-21kworker/u8:2+events_unbound09:35:203
3426685991917,2cyclictest3541747-21kworker/u8:4+flush-259:009:25:163
3426685991916,2cyclictest3691863-21kworker/u8:2+events_unbound11:55:253
3426685991916,2cyclictest3624176-21kworker/u8:0+events_unbound10:25:003
3426685991916,2cyclictest3483861-21kworker/u8:3+events_unbound08:10:223
3426685991915,3cyclictest3635107-21kworker/u8:3+events_unbound10:36:273
3426682991916,2cyclictest3509398-21kworker/u8:1+events_unbound09:21:282
3426682991916,2cyclictest3483861-21kworker/u8:3+events_unbound08:10:242
342667899198,9cyclictest513-21gdbus10:25:001
342667899191,9cyclictest3744159-21seq12:10:381
3426678991914,3cyclictest3624176-21kworker/u8:0+flush-259:010:30:161
342667899190,4cyclictest832-21runrttasks10:27:001
3426675991916,2cyclictest3728797-21kworker/u8:4+flush-259:012:25:170
3426675991916,2cyclictest3624176-21kworker/u8:0+events_unbound10:28:270
3426675991916,2cyclictest3426109-21kworker/u8:2+flush-259:007:45:230
3426685991815,2cyclictest3509398-21kworker/u8:1+flush-259:008:50:143
3426685991815,2cyclictest3463262-21kworker/u8:1+flush-259:007:50:153
3426685991815,2cyclictest3463262-21kworker/u8:1+events_unbound08:07:543
3426685991814,3cyclictest3499413-21kworker/u8:0+events_unbound08:30:523
3426685991812,2cyclictest3728605-21kworker/u8:3+events_unbound12:35:243
3426685991812,2cyclictest3691863-21kworker/u8:2+events_unbound11:50:183
3426682991817,1cyclictest3509398-21kworker/u8:1+events_unbound08:55:232
3426682991815,2cyclictest3681081-21kworker/u8:0+events_unbound11:40:012
3426682991815,2cyclictest3635107-21kworker/u8:3+events_unbound10:57:132
3426682991812,4cyclictest3442392-21gpgv07:25:002
342667899184,11cyclictest3513160-21grep08:30:191
3426678991812,4cyclictest509-21rs:main1
342667899181,13cyclictest3646477-21ps10:40:181
342667899181,13cyclictest3646477-21ps10:40:181
342667899180,15cyclictest3739270-21base6412:10:011
3426675991815,2cyclictest3728605-21kworker/u8:3+events_unbound12:30:150
3426675991815,2cyclictest3552064-21kworker/u8:2+events_unbound09:25:220
3426675991815,2cyclictest3541747-21kworker/u8:4+flush-259:009:40:240
3426685991714,2cyclictest3707084-21idleruntime-cro11:40:003
3426685991711,4cyclictest3524862-21ntpq08:40:223
342668299178,1cyclictest191rcu_preempt11:20:122
3426682991714,2cyclictest1352452-21kworker/u8:0+events_unbound07:59:292
3426682991713,3cyclictest3691863-21kworker/u8:2+events_unbound11:54:342
342667899174,6cyclictest0-21swapper/111:28:251
342667899174,10cyclictest3567989-21fschecks_time09:25:141
3426678991712,3cyclictest3593609-21apt-get09:50:111
342667899171,14cyclictest3728557-21idleruntime-cro12:00:011
342667899171,14cyclictest3458063-21ls07:40:001
342667899171,14cyclictest3442181-21turbostat07:25:001
342667899171,13cyclictest3619655-21irqcore10:15:161
342667899171,13cyclictest3604295-21irqcore10:00:161
342667899171,13cyclictest3499767-21cpuspeed_turbos08:20:131
342667899171,13cyclictest3499767-21cpuspeed_turbos08:20:131
3426678991710,4cyclictest3557205-21latency_hist09:15:011
342667899170,9cyclictest3759756-21taskset12:26:561
342667899170,4cyclictest3588000-21chrt09:43:131
342667899170,3cyclictest3754899-21cat12:25:001
342667899170,14cyclictest3728911-21grep12:00:121
342667899170,10cyclictest3707101-21latency_hist11:40:011
3426675991714,2cyclictest3691863-21kworker/u8:2+events_unbound11:25:170
3426675991714,2cyclictest3624176-21kworker/u8:0+events_unbound10:46:280
3426675991714,2cyclictest3588393-21kworker/u8:1+flush-259:009:53:530
3426675991714,2cyclictest3499413-21kworker/u8:0+events_unbound08:33:350
3426685991613,2cyclictest3624176-21kworker/u8:0+flush-259:010:25:193
3426685991612,3cyclictest3552064-21kworker/u8:2+events_unbound09:15:233
3426685991610,2cyclictest3650375-21kworker/u8:2+events_unbound11:00:173
3426682991613,2cyclictest3645188-21idleruntime-cro10:40:002
3426682991613,2cyclictest3552064-21kworker/u8:2+events_unbound09:15:352
3426682991613,2cyclictest3509398-21kworker/u8:1+events_unbound08:40:202
342667899169,5cyclictest0-21swapper/107:25:221
342667899163,11cyclictest3685778-21ls11:15:241
342667899162,10cyclictest3458342-21apt-get07:40:131
3426678991612,3cyclictest3588393-21kworker/u8:1+flush-259:010:05:171
3426678991611,4cyclictest3426109-21kworker/u8:2+flush-259:008:25:251
342667899161,13cyclictest3765139-21cron12:34:591
342667899161,13cyclictest3691643-21idleruntime-cro11:25:001
342667899161,13cyclictest3603613-21awk10:00:001
342667899161,13cyclictest3576979-21/usr/sbin/munin09:30:231
342667899161,13cyclictest3552036-21latency_hist09:10:001
342667899161,13cyclictest3536290-21base6408:55:011
342667899161,13cyclictest3515297-21tr08:35:131
342667899161,13cyclictest3483829-21awk08:04:591
342667899161,12cyclictest3666295-21fschecks_count11:00:131
342667899161,12cyclictest3650695-21tr10:45:131
342667899161,12cyclictest3542398-21sort09:00:171
342667899161,12cyclictest3484527-21cut08:05:181
342667899161,12cyclictest3478701-21latency_hist08:00:011
342667899160,4cyclictest3562237-21chrt09:18:361
342667899160,14cyclictest3713379-21irqcore11:45:161
342667899160,14cyclictest3530904-21cron08:50:001
342667899160,14cyclictest3452915-21sh07:34:591
342667899160,13cyclictest3769318-21tail12:35:191
342667899160,13cyclictest3697164-21tr11:30:131
3426675991613,2cyclictest60350irq/132-enp0s29f1:rx-011:35:210
3426675991613,2cyclictest3588393-21kworker/u8:1+events_unbound10:05:120
3426675991613,2cyclictest1352452-21kworker/u8:0+flush-259:007:40:210
3426682991513,2cyclictest3671016-21kworker/u8:1+events_unbound11:12:302
3426682991512,2cyclictest3635107-21kworker/u8:3+events_unbound11:07:282
3426682991512,2cyclictest3598507-21kworker/u8:2+events_unbound10:15:192
3426682991512,2cyclictest3463262-21kworker/u8:1+events_unbound08:16:482
342667899151,12cyclictest3718327-21dpkg11:50:011
342667899151,12cyclictest3578394-21grep09:35:161
342667899151,12cyclictest3520963-21cut08:40:151
342667899151,12cyclictest3494723-21grep08:15:141
342667899151,11cyclictest3676532-21tr11:10:131
342667899150,3cyclictest3618060-21ntpq10:10:191
342667899150,13cyclictest3712272-21unixbench_singl11:40:251
342667899150,13cyclictest3660656-21cron10:55:001
342667899150,13cyclictest3564915-21grep09:20:191
342667899150,13cyclictest3428346-21grep07:10:181
342667899150,12cyclictest3426792-21grep07:10:001
3426675991513,1cyclictest60350irq/132-enp0s29f1:rx-008:20:240
3426675991513,1cyclictest60350irq/132-enp0s29f1:rx-008:20:230
3426675991513,1cyclictest60350irq/132-enp0s29f1:rx-007:50:150
3426675991512,2cyclictest3723037-21kworker/u8:0+events_unbound11:55:020
3426685991411,2cyclictest3509398-21kworker/u8:1+events_unbound08:36:343
3426682991411,2cyclictest1352452-21kworker/u8:0+events_unbound08:00:062
3426682991410,3cyclictest3728605-21kworker/u8:3+events_unbound12:35:122
3426682991410,3cyclictest3541747-21kworker/u8:4+events_unbound09:06:112
3426675991412,1cyclictest60350irq/132-enp0s29f1:rx-010:30:240
3426675991412,1cyclictest60350irq/132-enp0s29f1:rx-009:45:160
3426675991412,1cyclictest60350irq/132-enp0s29f1:rx-008:15:130
3426675991411,3cyclictest1352452-21kworker/u8:0+events_unbound07:12:510
342668599139,3cyclictest3463262-21kworker/u8:1+events_unbound08:15:183
342668599139,3cyclictest3426109-21kworker/u8:2+events_unbound07:11:273
3426685991311,1cyclictest0-21swapper/309:45:013
342668299136,1cyclictest191rcu_preempt12:00:152
3426682991310,2cyclictest3728797-21kworker/u8:4+events_unbound12:21:272
3426682991310,1cyclictest401ktimers/212:00:002
342668599128,3cyclictest3509398-21kworker/u8:1+events_unbound08:47:153
342668599126,1cyclictest191rcu_preempt10:10:243
3426685991210,2cyclictest3426109-21kworker/u8:2+events_unbound07:15:263
342668299121,5cyclictest3576714-21cat09:30:202
342667599126,1cyclictest191rcu_preempt11:20:240
342668599119,1cyclictest491ktimers/308:29:193
342668599118,2cyclictest3426109-21kworker/u8:2+flush-259:007:45:193
342668599107,2cyclictest3509398-21kworker/u8:1+events_unbound08:55:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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