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2026-01-28 - 19:00
[ 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 Wed Jan 28, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3808352994538,5cyclictest3823819-21latency_hist07:25:001
3808359993832,4cyclictest4067713-21apt-get11:20:003
3808359993735,1cyclictest3828625-21fwupd07:26:203
3808352993732,3cyclictest4005652-21latency_hist10:20:011
3808352993529,4cyclictest3999681-21ntpq10:10:191
3808352993529,4cyclictest3999681-21ntpq10:10:191
3808359993430,3cyclictest4005265-21kworker/u8:0+flush-259:011:40:183
3808355993330,2cyclictest75-21kswapd007:26:232
3808355993326,5cyclictest3844467-21latency_hist07:45:002
3808349993229,2cyclictest3995575-21kworker/u8:4+flush-259:010:20:000
3808349993228,3cyclictest4119703-21kworker/u8:1+flush-259:012:20:000
3808352993128,2cyclictest3798114-21kworker/u8:0+flush-259:007:15:211
3808352993126,3cyclictest252-21systemd-journal10:55:211
3808349993126,4cyclictest4094161-21apt-get11:45:090
3808352993026,3cyclictest3953598-21kworker/u8:2+flush-259:009:49:591
3808355992925,3cyclictest3932841-21kworker/u8:0+flush-259:009:15:002
3808352992925,3cyclictest4145429-21apt-get12:35:001
3808349992923,4cyclictest3870307-21latency_hist08:10:000
3808355992823,3cyclictest4026527-21/usr/sbin/munin10:40:142
3808355992823,3cyclictest3932841-21kworker/u8:0+flush-259:010:04:592
3808355992822,4cyclictest252-21systemd-journal11:15:222
3808352992822,4cyclictest252-21systemd-journal11:20:001
3808352992821,5cyclictest3968162-21ntpq09:40:211
3808349992825,2cyclictest3963922-21kworker/u8:3+flush-259:010:05:160
3808349992825,2cyclictest3798114-21kworker/u8:0+events_unbound07:20:230
3808349992824,3cyclictest4145463-21gpgv12:35:000
3808349992824,3cyclictest4016221-21kworker/u8:5+events_unbound11:25:240
3808349992822,4cyclictest4113598-21ntpq12:00:200
3808349992822,4cyclictest252-21systemd-journal08:00:000
3808355992720,5cyclictest3932808-21awk09:10:002
3808352992723,3cyclictest4005265-21kworker/u8:0+flush-259:010:45:161
3808352992720,5cyclictest252-21systemd-journal08:50:011
3808349992722,4cyclictest4067716-21latency_hist11:20:000
3808359992620,5cyclictest3906886-21latency_hist08:45:003
3808359992620,4cyclictest509-21rs:main3
3808355992622,3cyclictest4057226-21kworker/u8:2+flush-259:011:20:162
3808352992622,3cyclictest4119703-21kworker/u8:1+flush-259:012:14:591
3808349992623,2cyclictest3744418-21kworker/u8:1+events_unbound07:10:200
3808355992521,3cyclictest3865384-21kworker/u8:3+flush-259:008:40:012
3808349992520,4cyclictest3917241-21latency_hist08:55:010
3808359992420,3cyclictest4016221-21kworker/u8:5+flush-259:010:55:243
3808359992420,3cyclictest3891603-21kworker/u8:2+flush-259:008:30:153
3808359992417,4cyclictest4145946-21base6412:35:013
3808359992417,4cyclictest4145946-21base6412:35:013
3808355992420,3cyclictest4005265-21kworker/u8:0+flush-259:010:20:212
3808355992418,5cyclictest3973840-21ntpq09:45:202
3808355992418,4cyclictest252-21systemd-journal10:15:002
3808355992418,4cyclictest252-21systemd-journal10:14:592
3808352992421,2cyclictest3932841-21kworker/u8:0+events_unbound10:00:251
3808352992420,3cyclictest3933081-21apt-get09:10:111
3808349992421,2cyclictest3865384-21kworker/u8:3+flush-259:008:30:210
3808359992318,4cyclictest4005265-21kworker/u8:0+flush-259:010:40:013
3808355992319,3cyclictest4010807-21kworker/u8:1+flush-259:010:35:142
3808352992320,2cyclictest4016221-21kworker/u8:5+flush-259:010:40:211
3808352992320,2cyclictest3828674-21kworker/u8:3+events_unbound07:35:011
3808352992316,5cyclictest4077540-21ntpq11:25:211
3808349992320,2cyclictest4016221-21kworker/u8:5+events_unbound12:20:120
380834999231,20cyclictest509-21rs:main0
3808352992220,2cyclictest4005265-21kworker/u8:0+events_unbound11:05:211
3808352992219,2cyclictest4016221-21kworker/u8:5+flush-259:010:35:011
3808352992219,2cyclictest3865384-21kworker/u8:3+flush-259:008:35:211
3808352992218,3cyclictest4104247-21kworker/u8:2+flush-259:012:05:231
3808349992219,2cyclictest4016221-21kworker/u8:5+flush-259:011:00:010
3808349992218,3cyclictest4016221-21kworker/u8:5+events_unbound11:10:230
3808349992218,3cyclictest3953598-21kworker/u8:2+events_unbound09:35:220
3808349992218,3cyclictest3828674-21kworker/u8:3+events_unbound07:35:120
3808359992118,2cyclictest3932841-21kworker/u8:0+flush-259:009:54:593
3808359992115,4cyclictest3818637-21latency_hist07:20:003
380835999211,18cyclictest1-21systemd10:30:003
3808355992118,2cyclictest4057226-21kworker/u8:2+events_unbound11:10:152
3808355992117,3cyclictest4083593-21kworker/u8:3+events_unbound11:35:212
3808355992117,3cyclictest3979857-21latency_hist09:55:002
3808355992115,4cyclictest3911131-21ntpq08:45:202
3808352992120,1cyclictest3744418-21kworker/u8:1+events_unbound07:10:141
3808352992118,2cyclictest4057226-21kworker/u8:2+flush-259:011:30:151
3808352992118,2cyclictest4016221-21kworker/u8:5+events_unbound12:20:001
3808352992118,2cyclictest3854745-21kworker/u8:1+events_unbound08:05:131
3808352992117,3cyclictest4021384-21/usr/sbin/munin10:35:121
3808349992118,2cyclictest3953598-21kworker/u8:2+flush-259:009:55:230
3808349992118,2cyclictest3844508-21kworker/u8:2+events_unbound08:00:240
3808349992117,3cyclictest3807886-21kworker/u8:2+events_unbound07:26:210
380834999210,19cyclictest1-21systemd08:21:210
3808359992015,3cyclictest3958748-21latency_hist09:35:013
3808359992013,4cyclictest252-21systemd-journal12:30:003
3808355992017,2cyclictest4005265-21kworker/u8:0+events_unbound10:45:232
3808355992017,2cyclictest3798114-21kworker/u8:0+flush-259:007:24:592
3808355992016,3cyclictest4005265-21kworker/u8:0+events_unbound11:55:122
3808355992016,3cyclictest3995575-21kworker/u8:4+events_unbound10:25:232
3808355992016,3cyclictest3854745-21kworker/u8:1+events_unbound08:55:202
3808355992016,3cyclictest252-21systemd-journal09:43:212
3808355992015,4cyclictest4083579-21latency_hist11:35:002
3808352992017,2cyclictest4083593-21kworker/u8:3+events_unbound11:35:231
3808352992017,2cyclictest3995575-21kworker/u8:4+events_unbound10:20:141
3808352992017,2cyclictest3995335-21idleruntime-cro10:10:001
3808352992015,4cyclictest3886034-21apt-get08:25:101
3808349992017,2cyclictest4016221-21kworker/u8:5+events_unbound10:30:170
3808349992017,2cyclictest3953598-21kworker/u8:2+flush-259:009:30:210
3808349992016,3cyclictest3932841-21kworker/u8:0+events_unbound09:45:140
3808349992015,3cyclictest3865384-21kworker/u8:3+flush-259:008:15:160
3808359991915,3cyclictest3959004-21apt-get09:35:113
3808359991913,4cyclictest3874661-21ntpq08:10:223
3808355991916,2cyclictest4104247-21kworker/u8:2+flush-259:012:15:152
3808355991915,3cyclictest4140318-21kworker/u8:1+events_unbound12:35:152
3808355991915,3cyclictest4140318-21kworker/u8:1+events_unbound12:35:152
3808355991915,3cyclictest3938257-21/usr/sbin/munin09:15:162
3808352991916,2cyclictest4057226-21kworker/u8:2+flush-259:011:20:211
3808352991916,2cyclictest4010807-21kworker/u8:1+flush-259:010:30:011
3808352991915,3cyclictest3798114-21kworker/u8:0+flush-259:007:50:001
3808349991916,2cyclictest3854745-21kworker/u8:1+flush-259:009:00:010
3808349991914,4cyclictest3875508-21latency_hist08:15:000
3808349991913,5cyclictest3947482-21ntpq09:20:210
3808349991913,4cyclictest3943197-21latency_hist09:20:000
3808349991912,5cyclictest4103380-21ntpq11:50:200
3808359991814,3cyclictest4016221-21kworker/u8:5+flush-259:011:25:223
3808359991814,3cyclictest3865384-21kworker/u8:3+flush-259:008:35:163
3808359991812,4cyclictest252-21systemd-journal07:43:213
3808355991816,1cyclictest0-21swapper/208:20:002
3808355991815,2cyclictest3912084-21kworker/u8:2+flush-259:008:50:142
3808355991815,2cyclictest3902389-21irqcore08:40:152
3808355991815,2cyclictest3854745-21kworker/u8:1+events_unbound08:23:522
3808355991814,3cyclictest3828674-21kworker/u8:3+flush-259:007:45:172
3808355991813,4cyclictest3855060-21apt-get07:55:102
3808352991816,2cyclictest3854745-21kworker/u8:1+events_unbound08:40:151
3808352991815,3cyclictest3798114-21kworker/u8:0+events_unbound07:50:161
3808352991815,3cyclictest3798114-21kworker/u8:0+events_unbound07:50:151
3808352991814,3cyclictest4016221-21kworker/u8:5+events_unbound12:00:191
3808352991814,3cyclictest3963903-21latency_hist09:40:001
3808352991814,3cyclictest3953598-21kworker/u8:2+flush-259:009:55:211
3808352991814,3cyclictest3865384-21kworker/u8:3+flush-259:009:15:221
3808352991813,4cyclictest4130254-21/usr/sbin/munin12:20:141
3808349991815,2cyclictest4005265-21kworker/u8:0+events_unbound10:20:200
3808349991815,2cyclictest3798114-21kworker/u8:0+flush-259:008:30:000
3808349991814,3cyclictest3963922-21kworker/u8:3+events_unbound10:10:190
3808349991814,3cyclictest3963922-21kworker/u8:3+events_unbound10:10:180
3808349991814,3cyclictest3912084-21kworker/u8:2+flush-259:009:03:520
3808349991813,3cyclictest252-21systemd-journal11:20:030
3808359991714,2cyclictest3997909-21kthreadcore10:10:163
3808359991714,2cyclictest3997909-21kthreadcore10:10:153
3808359991714,2cyclictest3969286-21gpgconf09:45:013
3808359991713,3cyclictest3854745-21kworker/u8:1+flush-259:009:00:243
3808359991711,4cyclictest4062811-21apt-get11:15:133
3808359991710,4cyclictest509-21rs:main3
3808355991714,2cyclictest4016221-21kworker/u8:5+flush-259:011:05:012
3808355991713,3cyclictest3844508-21kworker/u8:2+events_unbound08:00:202
3808352991714,2cyclictest4010807-21kworker/u8:1+flush-259:010:50:171
3808352991714,2cyclictest3932841-21kworker/u8:0+flush-259:009:25:211
3808352991713,3cyclictest3854745-21kworker/u8:1+flush-259:009:09:221
3808349991714,2cyclictest60350irq/132-enp0s29f1:rx-010:50:140
3808349991714,2cyclictest60350irq/132-enp0s29f1:rx-009:42:000
3808349991714,2cyclictest3744418-21kworker/u8:1+flush-259:007:16:510
3808349991713,3cyclictest4130033-21kworker/u8:0+events_unbound12:35:130
3808349991713,3cyclictest4130033-21kworker/u8:0+events_unbound12:35:130
3808349991713,3cyclictest4016221-21kworker/u8:5+events_unbound10:40:190
3808349991713,3cyclictest4010807-21kworker/u8:1+events_unbound10:35:190
3808349991713,3cyclictest4005265-21kworker/u8:0+events_unbound11:05:230
3808349991713,3cyclictest3995575-21kworker/u8:4+events_unbound10:25:220
3808349991713,3cyclictest3844731-21apt-get07:45:120
3808349991712,4cyclictest1-21systemd11:58:210
3808349991711,4cyclictest3849862-21/usr/sbin/munin07:50:220
3808349991711,4cyclictest3849862-21/usr/sbin/munin07:50:210
3808359991613,2cyclictest4104238-21idleruntime-cro11:55:003
3808359991610,5cyclictest3969601-21cat09:45:013
3808359991610,5cyclictest3854745-21kworker/u8:1+flush-259:008:05:143
3808359991610,4cyclictest3912084-21kworker/u8:2+flush-259:009:15:253
3808359991610,4cyclictest252-21systemd-journal09:29:213
3808355991613,2cyclictest4016221-21kworker/u8:5+events_unbound12:20:202
3808355991613,2cyclictest4005265-21kworker/u8:0+flush-259:010:55:002
3808355991611,4cyclictest252-21systemd-journal12:04:552
3808352991613,2cyclictest4016221-21kworker/u8:5+flush-259:011:10:251
3808352991613,2cyclictest4005265-21kworker/u8:0+events_unbound11:55:211
3808352991612,3cyclictest3798114-21kworker/u8:0+flush-259:007:25:151
3808349991614,1cyclictest60350irq/132-enp0s29f1:rx-007:41:460
3808349991613,2cyclictest60350irq/132-enp0s29f1:rx-009:26:550
3808349991613,2cyclictest3932841-21kworker/u8:0+events_unbound09:50:170
3808349991613,2cyclictest3854745-21kworker/u8:1+flush-259:009:05:190
3808349991612,3cyclictest3865384-21kworker/u8:3+events_unbound09:14:000
3808349991611,4cyclictest3865384-21kworker/u8:3+events_unbound08:48:230
380835999159,4cyclictest3921514-21ntpq08:55:193
3808359991511,3cyclictest4047242-21kworker/u8:2+flush-259:011:00:243
3808359991511,3cyclictest3798114-21kworker/u8:0+flush-259:007:20:263
3808355991512,2cyclictest4145737-21latency_hist12:35:012
3808355991511,3cyclictest3957913-21ntp_offset09:30:212
3808352991513,1cyclictest4094129-21kworker/u8:1+events_unbound11:45:221
3808352991512,2cyclictest4103350-21ntp_kernel_pll_11:50:201
3808349991513,1cyclictest60350irq/132-enp0s29f1:rx-011:30:250
3808349991513,1cyclictest60350irq/132-enp0s29f1:rx-011:00:230
3808349991512,2cyclictest60350irq/132-enp0s29f1:rx-012:25:230
3808349991511,3cyclictest4010807-21kworker/u8:1+events_unbound10:45:140
3808349991510,4cyclictest3808281-21latency_hist07:10:000
380834999150,13cyclictest1-21systemd08:45:010
380835999148,4cyclictest252-21systemd-journal11:40:003
3808359991411,2cyclictest4120374-21sed12:10:163
3808359991411,2cyclictest4062536-21idleruntime-cro11:15:013
3808359991410,3cyclictest3854745-21kworker/u8:1+flush-259:009:20:263
3808355991411,3cyclictest3953598-21kworker/u8:2+flush-259:010:15:242
3808355991411,2cyclictest4124426-21unixbench_singl12:10:252
3808355991411,2cyclictest4046529-21unixbench_multi10:55:242
3808355991411,2cyclictest4010807-21kworker/u8:1+flush-259:010:30:142
3808355991411,2cyclictest3963922-21kworker/u8:3+flush-259:010:05:212
3808355991411,2cyclictest3953598-21kworker/u8:2+flush-259:009:35:262
3808355991411,2cyclictest3867709-21kthreadcore08:05:162
3808355991411,2cyclictest3854745-21kworker/u8:1+events_unbound08:10:152
380835299149,3cyclictest252-21systemd-journal08:21:221
3808352991412,2cyclictest3932841-21kworker/u8:0+events_unbound09:50:231
3808352991411,2cyclictest4104247-21kworker/u8:2+events_unbound12:25:171
3808352991411,2cyclictest4047242-21kworker/u8:2+flush-259:011:00:151
3808352991411,2cyclictest3891603-21kworker/u8:2+events_unbound08:33:231
3808352991410,2cyclictest1-21systemd08:00:001
3808349991412,2cyclictest61150irq/133-enp0s29f1:tx-011:40:160
3808349991411,2cyclictest60350irq/132-enp0s29f1:rx-012:13:450
3808349991410,2cyclictest0-21swapper/008:35:140
380835999136,4cyclictest3880637-21latency_hist08:20:003
3808359991310,2cyclictest3884933-21ntp_offset08:20:233
3808359991310,2cyclictest3844797-21cpuspeed_turbos07:45:143
3808359991310,2cyclictest3833705-21unixbench_multi07:30:243
3808359991310,1cyclictest0-21swapper/307:50:243
3808359991310,1cyclictest0-21swapper/307:50:243
380835599139,3cyclictest4016221-21kworker/u8:5+events_unbound11:50:122
3808355991311,2cyclictest3854745-21kworker/u8:1+events_unbound09:00:132
3808355991310,2cyclictest3953598-21kworker/u8:2+events_unbound09:55:182
3808355991310,2cyclictest3891603-21kworker/u8:2+events_unbound08:30:222
3808355991310,2cyclictest3798114-21kworker/u8:0+events_unbound08:25:142
3808355991310,2cyclictest0-21swapper/211:40:172
380835299139,3cyclictest3860192-21/usr/sbin/munin08:00:191
380835299139,3cyclictest3854745-21kworker/u8:1+events_unbound08:10:231
3808352991311,1cyclictest0-21swapper/109:24:591
3808352991310,2cyclictest4089137-21cpuspeed_turbos11:40:131
380834999139,3cyclictest60350irq/132-enp0s29f1:rx-010:00:160
3808349991312,1cyclictest60350irq/132-enp0s29f1:rx-011:35:210
380835999129,2cyclictest4110013-21sed12:00:153
380835999129,2cyclictest3933148-21cpuspeed_turbos09:10:123
380835999128,3cyclictest4005913-21apt-get10:20:123
380835999127,4cyclictest4078700-21apt-get11:30:123
380835599129,2cyclictest3854745-21kworker/u8:1+flush-259:009:24:592
380835599122,5cyclictest4078440-21munin-run11:30:012
380835299129,2cyclictest3844456-21idleruntime-cro07:45:011
380835999118,2cyclictest4117084-21kthreadcore12:05:173
380835999118,2cyclictest3985407-21cut10:00:153
380835999118,2cyclictest0-21swapper/308:45:123
380835999118,1cyclictest0-21swapper/309:05:173
380835999117,2cyclictest4040941-21ntpq10:50:223
380835999116,3cyclictest4004764-21ntpq10:15:203
380835999116,3cyclictest3744418-21kworker/u8:1+flush-259:007:10:153
380835599119,1cyclictest0-21swapper/207:50:192
380835599119,1cyclictest0-21swapper/207:50:192
380835599118,2cyclictest3828674-21kworker/u8:3+flush-259:007:35:152
380835599115,4cyclictest4099069-21cron11:49:592
380835299118,2cyclictest3854745-21kworker/u8:1+flush-259:009:00:181
380835299118,2cyclictest3854745-21kworker/u8:1+flush-259:008:55:241
380835299118,2cyclictest3834844-21irqcore07:35:151
380835999107,2cyclictest3858986-21cut07:55:183
380835299108,1cyclictest0-21swapper/108:15:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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