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2026-02-01 - 19:04
[ 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 Sun Feb 01, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4048842995855,2cyclictest4058811-21kworker/u8:1+events_unbound07:20:222
4048842995350,2cyclictest4074507-21kworker/u8:1+events_unbound07:55:222
4048842995349,3cyclictest57203-21kworker/u8:4+events_unbound10:30:232
4048842995249,2cyclictest41507-21kworker/u8:2+events_unbound10:40:212
4048842995248,3cyclictest4074507-21kworker/u8:1+events_unbound08:50:262
4048842995045,3cyclictest4131806-21kworker/u8:2+events_unbound08:45:182
4048830994944,3cyclictest108622-21kworker/u8:1+flush-259:011:55:190
4048842994844,3cyclictest108622-21kworker/u8:1+events_unbound12:10:222
4048842994844,3cyclictest108622-21kworker/u8:1+events_unbound11:55:252
4048842994741,4cyclictest4059075-21latency_hist07:20:012
4048842994639,5cyclictest129235-21latency_hist11:35:002
4048842994541,3cyclictest52054-21kworker/u8:3+events_unbound10:20:142
4048842994441,2cyclictest4167878-21kworker/u8:4+events_unbound09:45:192
4048842994441,2cyclictest4131806-21kworker/u8:2+events_unbound08:35:222
4048842994440,2cyclictest4167878-21kworker/u8:4+events_unbound09:25:132
4048842994339,3cyclictest77778-21kworker/u8:3+events_unbound11:00:142
4048842994339,2cyclictest4855-21kworker/u8:1+events_unbound10:00:022
4048830994338,3cyclictest160347-21gpgv12:05:010
4048842994238,3cyclictest4064232-21kworker/u8:0+events_unbound07:45:222
4048846994135,4cyclictest46640-21awk10:15:003
4048846994134,5cyclictest4125584-21ntpq08:20:203
4048842994138,2cyclictest4167878-21kworker/u8:4+events_unbound09:35:222
4048842994037,2cyclictest181707-21kworker/u8:1+events_unbound12:35:012
4048842993935,3cyclictest20406-21kworker/u8:0+events_unbound10:27:192
4048838993933,4cyclictest30940-21cat10:00:011
4048830993934,3cyclictest67536-21apt-get10:35:110
4048842993835,2cyclictest4116114-21kworker/u8:3+events_unbound08:15:222
4048842993835,2cyclictest4064232-21kworker/u8:0+events_unbound08:00:152
4048846993730,5cyclictest4064208-21latency_hist07:25:013
4048842993733,3cyclictest134440-21kworker/u8:0+events_unbound11:45:252
4048842993633,3cyclictest3996004-21kworker/u8:5+events_unbound07:30:252
4048842993531,3cyclictest41507-21kworker/u8:2+events_unbound10:48:202
4048842993531,3cyclictest114000-21kworker/u8:3+events_unbound11:24:192
4048842993531,3cyclictest114000-21kworker/u8:3+events_unbound11:24:182
4048830993429,4cyclictest92187-21ntpq10:55:200
4048846993326,5cyclictest252-21systemd-journal11:40:183
4048846993325,5cyclictest4089058-21ntpq07:45:223
4048842993330,2cyclictest77778-21kworker/u8:3+events_unbound10:59:192
4048842993329,3cyclictest108622-21kworker/u8:1+events_unbound11:50:132
4048838993329,3cyclictest252-21systemd-journal10:25:181
4048838993328,3cyclictest31237-21base6410:00:021
4048846993227,3cyclictest4855-21kworker/u8:1+flush-259:009:55:223
4048846993227,3cyclictest187066-21/usr/sbin/munin12:30:243
4048842993229,2cyclictest4178027-21kworker/u8:2+events_unbound09:24:192
4048842993229,2cyclictest4131806-21kworker/u8:2+events_unbound08:55:152
4048842993229,2cyclictest4131806-21kworker/u8:2+events_unbound08:55:152
4048842993229,2cyclictest4116114-21kworker/u8:3+events_unbound08:40:282
4048842993229,2cyclictest4064232-21kworker/u8:0+events_unbound07:27:202
4048842993229,2cyclictest4048772-21kworker/u8:0+events_unbound07:11:182
4048842993228,3cyclictest4855-21kworker/u8:1+events_unbound09:50:162
4048842993228,3cyclictest4074507-21kworker/u8:1+events_unbound08:30:012
4048842993228,3cyclictest176192-21kworker/u8:0+events_unbound12:22:192
4048846993126,3cyclictest4856-21kworker/u8:5+events_unbound09:40:263
4048846993125,4cyclictest176192-21kworker/u8:0+flush-259:012:20:273
4048842993127,3cyclictest4064232-21kworker/u8:0+events_unbound07:38:152
4048838993125,4cyclictest197531-21latency_hist12:40:001
4048846993024,4cyclictest4048772-21kworker/u8:0+flush-259:007:10:213
4048842993027,2cyclictest67287-21kworker/u8:1+events_unbound10:36:192
4048842993027,2cyclictest4167878-21kworker/u8:4+events_unbound09:40:292
4048842993027,2cyclictest108622-21kworker/u8:1+events_unbound11:40:282
4048838993025,4cyclictest4152428-21/usr/sbin/munin08:50:161
4048830993025,4cyclictest82975-21apt-get10:50:120
4048842992926,2cyclictest82946-21kworker/u8:1+events_unbound10:50:242
4048842992926,2cyclictest41507-21kworker/u8:2+events_unbound11:26:192
4048842992926,2cyclictest4105810-21kworker/u8:2+events_unbound08:05:012
4048842992926,2cyclictest155237-21kworker/u8:3+events_unbound12:17:202
4048838992923,4cyclictest15256-21latency_hist09:45:011
4048830992925,3cyclictest4095242-21base6407:55:020
4048842992825,2cyclictest4074507-21kworker/u8:1+events_unbound09:00:152
4048842992825,2cyclictest4074507-21kworker/u8:1+events_unbound09:00:142
4048842992823,2cyclictest4116114-21kworker/u8:3+events_unbound08:23:202
4048838992825,2cyclictest4855-21kworker/u8:1+flush-259:010:05:161
4048846992723,3cyclictest4167877-21kworker/u8:0+flush-259:009:15:233
4048846992723,3cyclictest114000-21kworker/u8:3+events_unbound11:30:233
4048846992722,4cyclictest108622-21kworker/u8:1+flush-259:012:10:243
4048846992718,6cyclictest51791-21latency_hist10:20:013
4048842992724,2cyclictest4162519-21kworker/u8:3+events_unbound09:07:192
4048842992724,2cyclictest20406-21kworker/u8:0+events_unbound09:56:182
4048842992723,3cyclictest57203-21kworker/u8:4+events_unbound11:05:252
4048838992724,2cyclictest155237-21kworker/u8:3+flush-259:012:15:221
4048838992722,3cyclictest252-21systemd-journal09:10:001
4048830992722,3cyclictest509-21rs:main0
404883099271,24cyclictest1-21systemd09:56:200
4048846992622,2cyclictest4126448-21kworker/u8:0+events_unbound08:25:213
4048846992621,4cyclictest4074507-21kworker/u8:1+events_unbound07:55:133
4048846992620,4cyclictest41507-21kworker/u8:2+flush-259:011:30:013
4048842992624,2cyclictest41507-21kworker/u8:2+events_unbound11:37:192
4048842992623,2cyclictest4126448-21kworker/u8:0+events_unbound08:29:192
4048842992623,2cyclictest4074507-21kworker/u8:1+events_unbound08:14:212
4048842992623,2cyclictest4074507-21kworker/u8:1+events_unbound07:54:202
4048842992622,3cyclictest4167878-21kworker/u8:4+events_unbound10:09:582
4048838992621,3cyclictest93338-21apt-get11:00:111
4048830992622,3cyclictest4167877-21kworker/u8:0+flush-259:009:10:010
4048830992622,3cyclictest4059332-21apt-get07:20:110
4048830992619,5cyclictest4053907-21latency_hist07:15:010
4048846992519,5cyclictest252-21systemd-journal08:35:003
4048842992523,2cyclictest4167877-21kworker/u8:0+events_unbound09:15:152
4048842992522,2cyclictest41507-21kworker/u8:2+events_unbound11:10:142
4048842992519,4cyclictest4048735-21latency_hist07:10:012
4048838992519,5cyclictest102495-21ntpq11:05:201
4048830992520,3cyclictest5094-21apt-get09:35:100
4048830992519,4cyclictest252-21systemd-journal07:20:000
4048846992420,3cyclictest3996004-21kworker/u8:5+events_unbound07:30:233
4048846992420,3cyclictest108622-21kworker/u8:1+events_unbound12:00:223
4048846992420,2cyclictest145017-21apt-get11:50:103
4048846992418,4cyclictest160807-21/usr/sbin/munin12:05:243
4048846992416,6cyclictest252-21systemd-journal11:25:013
4048846992416,6cyclictest252-21systemd-journal11:25:003
4048842992422,2cyclictest4178027-21kworker/u8:2+events_unbound09:30:162
4048842992421,2cyclictest108622-21kworker/u8:1+events_unbound12:00:202
404883099241,2cyclictest4125485-21nfs4_client08:20:180
4048846992320,2cyclictest181707-21kworker/u8:1+flush-259:012:35:273
4048846992318,3cyclictest252-21systemd-journal08:45:013
4048846992317,4cyclictest4194008-21diskstats09:30:153
4048838992319,3cyclictest4085045-21apt-get07:45:111
4048830992318,3cyclictest252-21systemd-journal09:23:180
4048846992218,3cyclictest4167878-21kworker/u8:4+flush-259:009:45:233
4048846992218,2cyclictest41507-21kworker/u8:2+events_unbound11:10:193
4048842992219,2cyclictest4167878-21kworker/u8:4+events_unbound10:12:182
404883899224,9cyclictest4105592-21seq08:02:541
4048838992217,3cyclictest4121509-21apt-get08:20:091
404883099221,2cyclictest4135853-21ntpq08:30:210
4048846992118,2cyclictest4048772-21kworker/u8:0+flush-259:007:15:173
4048846992116,3cyclictest108622-21kworker/u8:1+events_unbound11:50:003
4048842992118,2cyclictest161180-21kworker/u8:0+events_unbound12:07:212
4048838992115,4cyclictest4099745-21ntpq07:55:191
4048838992113,6cyclictest15936-21irqcore09:45:151
404883899210,9cyclictest108501-21modprobe11:14:011
404883099217,13cyclictest187158-21cpuspeed_turbos12:30:130
4048830992115,4cyclictest252-21systemd-journal08:20:000
4048846992015,3cyclictest4074507-21kworker/u8:1+flush-259:008:05:013
4048842992017,2cyclictest181707-21kworker/u8:1+events_unbound12:30:202
4048842992016,3cyclictest20406-21kworker/u8:0+events_unbound10:18:202
4048842992016,3cyclictest108622-21kworker/u8:1+events_unbound11:18:372
4048838992015,4cyclictest252-21systemd-journal08:49:551
4048838992010,8cyclictest70398-21kthreadcore10:35:171
404883899200,9cyclictest4178243-21/usr/sbin/munin09:15:161
404883899200,8cyclictest123198-21ntpq11:25:211
404883099207,12cyclictest0-21swapper/010:15:130
404883099201,6cyclictest112901-21ntpq11:15:210
4048830992016,3cyclictest4167878-21kworker/u8:4+flush-259:009:30:260
404883099201,5cyclictest15515-21apt-get09:45:110
404883099201,2cyclictest169971-21ntpq12:10:210
404883099201,2cyclictest14400-21ntpq09:40:230
404883099200,2cyclictest149586-21chrt11:51:250
404883099200,1cyclictest25573-21awk09:55:000
4048846991916,2cyclictest67287-21kworker/u8:1+flush-259:010:35:233
4048846991915,3cyclictest3996004-21kworker/u8:5+flush-259:007:25:263
4048846991915,2cyclictest4168327-21irqcore09:05:163
4048846991914,3cyclictest20621-21/usr/sbin/munin09:50:153
4048846991913,4cyclictest5069-21/usr/sbin/munin09:35:133
404883899191,8cyclictest0-21swapper/111:15:201
4048838991915,2cyclictest490-21dbus-daemon12:05:011
4048838991910,8cyclictest0-21swapper/107:45:001
404883899190,9cyclictest138487-21memory11:40:181
404883899190,10cyclictest56613-21chrt10:20:461
404883899190,10cyclictest4177920-21chrt09:14:111
404883899190,10cyclictest170045-21ntpq12:10:221
404883099192,5cyclictest81367-21cut10:45:190
404883099192,3cyclictest4115170-21ntpq08:10:210
4048830991916,1cyclictest0-21swapper/011:40:000
4048830991915,3cyclictest4074507-21kworker/u8:1+flush-259:007:40:170
404883099191,3cyclictest4079641-21apt07:40:000
404883099191,3cyclictest107710-21ntpq11:10:200
4048830991913,5cyclictest60350irq/132-enp0s29f1:rx-008:55:220
4048830991913,5cyclictest60350irq/132-enp0s29f1:rx-008:55:210
404883099191,2cyclictest66406-21ntpq10:30:210
404883099191,2cyclictest4182318-21ntpq09:15:210
404883099191,2cyclictest180852-21ntpq12:20:210
404883099191,2cyclictest143862-21ntpq11:45:220
404883099191,2cyclictest123226-21ntpq11:25:220
404883099191,2cyclictest118004-21ntpq11:20:220
404883099191,2cyclictest118004-21ntpq11:20:210
404883099191,1cyclictest4130663-21ntpq08:25:200
404883099190,5cyclictest171992-21sort12:15:160
404883099190,4cyclictest4069345-21cron07:30:000
404883099190,4cyclictest36725-21tr10:05:130
404883099190,3cyclictest62016-21sshd10:28:490
4048846991815,2cyclictest82946-21kworker/u8:1+events_unbound10:50:223
4048846991815,2cyclictest4116114-21kworker/u8:3+flush-259:008:15:233
4048846991815,2cyclictest176506-21sh12:20:013
4048846991815,2cyclictest108622-21kworker/u8:1+flush-259:011:15:213
4048846991814,2cyclictest4153478-21kthreadcore08:50:183
4048846991813,4cyclictest181707-21kworker/u8:1+flush-259:012:25:203
4048846991813,3cyclictest4111226-21apt-get08:10:123
4048842991815,2cyclictest4167877-21kworker/u8:0+events_unbound09:13:272
4048842991815,2cyclictest4074507-21kworker/u8:1+events_unbound07:40:022
404883899189,8cyclictest191123-21ntp_kernel_pll_12:30:221
404883899180,9cyclictest46513-21chrt10:13:371
404883899180,9cyclictest4131276-21chrt08:26:311
404883899180,8cyclictest51480-21seq10:16:301
404883899180,8cyclictest4094181-21ntpq07:50:201
404883899180,11cyclictest4110638-21chrt08:06:151
404883899180,10cyclictest9651-21chrt09:35:321
404883899180,10cyclictest4115742-21taskset08:10:551
404883899180,10cyclictest181635-21seq12:24:301
404883899180,10cyclictest129031-21chrt11:32:481
404883099182,1cyclictest97374-21ntpq11:00:210
404883099181,3cyclictest46654-21munin-run10:15:000
404883099181,3cyclictest4147298-21apt-get08:45:110
404883099181,2cyclictest4192652-21ntpq09:25:180
404883099181,2cyclictest4089075-21ntpq07:45:220
404883099181,2cyclictest194959-21ps12:35:230
404883099181,2cyclictest136959-21ps11:40:180
404883099181,2cyclictest1-21systemd08:53:180
4048830991812,5cyclictest56115-21ntpq10:20:200
404883099181,1cyclictest4177117-21ntpq09:10:200
404883099181,1cyclictest35461-21ntpq10:00:240
404883099180,4cyclictest4110487-21grep08:05:250
404883099180,4cyclictest4101277-21ps08:00:160
404883099180,3cyclictest76736-21ntp_states10:40:220
404883099180,17cyclictest4048735-21latency_hist07:10:010
404883099180,16cyclictest4139012-21cut08:35:170
4048846991713,2cyclictest0-21swapper/307:40:183
4048846991711,4cyclictest82714-21latency_hist10:50:013
4048846991710,5cyclictest155004-21latency_hist12:00:003
404883899179,6cyclictest0-21swapper/110:40:141
404883899178,8cyclictest311ktimers/108:40:181
404883899176,9cyclictest4052885-21sed07:10:181
404883899174,11cyclictest186842-21cut12:30:011
404883899171,8cyclictest2109693-21snmpd08:57:001
404883899171,8cyclictest2109693-21snmpd08:57:001
404883899170,9cyclictest4193316-21taskset09:26:591
404883899170,9cyclictest4167603-21runrttasks09:04:401
404883899170,9cyclictest4167603-21runrttasks09:04:401
404883899170,9cyclictest4063833-21chrt07:20:351
404883899170,9cyclictest4058735-21taskset07:16:101
404883899170,8cyclictest4458-21seq09:30:371
404883899170,7cyclictest4131815-21/usr/sbin/munin08:30:231
404883899170,13cyclictest4074210-21chrt07:31:531
404883899170,12cyclictest4121090-21taskset08:18:191
404883099172,2cyclictest160832-21apt-get12:05:120
404883099171,4cyclictest4162983-21sort09:00:140
404883099171,4cyclictest4162983-21sort09:00:140
404883099171,3cyclictest128260-21tail11:30:200
404883099171,2cyclictest4147042-21munin-run08:45:000
404883099171,2cyclictest4073590-21ntpq07:30:220
404883099171,1cyclictest185914-21ntpq12:25:200
404883099170,4cyclictest98775-21tune2fs11:05:150
404884699168,5cyclictest252-21systemd-journal08:40:003
4048846991613,2cyclictest88578-21irqcore10:55:143
4048846991613,2cyclictest77778-21kworker/u8:3+events_unbound11:00:243
4048846991610,4cyclictest252-21systemd-journal10:10:013
4048846991610,4cyclictest103427-21latency_hist11:10:003
404883899160,9cyclictest88127-21seq10:55:081
404883899160,9cyclictest826272sleep110:49:111
404883899160,9cyclictest149790-21chrt11:54:021
404883899160,12cyclictest134313-21taskset11:39:101
404884699159,4cyclictest129475-21/usr/sbin/munin11:35:203
4048846991512,1cyclictest0-21swapper/308:05:193
4048846991511,3cyclictest57203-21kworker/u8:4+flush-259:010:30:263
4048842991511,3cyclictest181707-21kworker/u8:1+events_unbound12:27:112
404883899155,8cyclictest4137699-21cut08:35:171
404883899155,8cyclictest4066166-21kthreadcore07:25:171
4048838991512,2cyclictest62655-21fschecks_time10:30:151
4048838991512,2cyclictest139946-21cpuspeed_turbos11:45:141
404883899150,8cyclictest4188171-21seq09:22:401
4048846991410,3cyclictest4074507-21kworker/u8:1+events_unbound07:55:013
404883899140,12cyclictest22324-21grep09:50:171
404883899140,12cyclictest151704-21grep11:55:191
404883899140,12cyclictest114276-21grep11:20:151
404883899140,12cyclictest114276-21grep11:20:151
404883899140,11cyclictest82979-21cpu10:50:131
404884699137,4cyclictest4162499-21latency_hist09:00:003
404884699137,4cyclictest4162499-21latency_hist09:00:003
404883899130,12cyclictest0-21swapper/112:05:001
404884699127,4cyclictest4162519-21kworker/u8:3+flush-259:009:10:373
404884699126,4cyclictest52054-21kworker/u8:3+events_unbound10:20:213
404884699126,4cyclictest4188804-21diskstats09:25:123
404884699118,1cyclictest0-21swapper/309:20:153
404884699118,1cyclictest0-21swapper/307:35:253
404884699117,3cyclictest41507-21kworker/u8:2+flush-259:010:44:593
404884699115,4cyclictest4151869-21sshd08:46:183
404884699105,3cyclictest4167736-21cat09:05:003
404884699105,3cyclictest4167736-21cat09:05:003
40488469997,1cyclictest0-21swapper/310:00:013
40488469993,4cyclictest252-21systemd-journal10:27:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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