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2026-02-09 - 15:08
[ 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 #b, slot #5

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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  Phytec
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackbslot5s.osadl.org (updated Mon Feb 09, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3897822995142,5cyclictest3938965-21cron09:10:003
3897822995142,5cyclictest3938965-21cron09:10:003
3897808995138,9cyclictest121ktimers/012:05:120
389780899509,22cyclictest3980357-21latency_hist11:10:010
3897822994937,8cyclictest391ktimers/310:35:123
3897817994634,8cyclictest3922288-21unixbench_singl08:15:252
3897808994616,12cyclictest3953946-21sed09:50:250
3897813994531,10cyclictest3956094-21cut10:00:001
3897817994435,5cyclictest3899027-21unixbench_singl07:10:252
3897817994430,11cyclictest311ktimers/209:55:122
3897813994430,10cyclictest231ktimers/108:10:131
3897822994335,5cyclictest3929567-21sendmail08:40:013
3897822994332,7cyclictest3984127-21apt-get11:20:123
3897822994324,11cyclictest0-21swapper/307:15:123
3897822994315,10cyclictest3999388-21date12:05:003
3897813994332,8cyclictest438-21cron08:24:591
3897813994332,7cyclictest3978538-21cron11:04:591
3897808994314,26cyclictest3978296-21taskset11:02:010
3897808994213,23cyclictest3899696-21latency_hist07:15:020
3897822994132,5cyclictest3925376-21systemd08:25:243
3897822994128,8cyclictest3919980-21/usr/sbin/munin08:10:203
3897822994128,10cyclictest3993293-21/usr/sbin/munin11:45:203
3897822994127,11cyclictest3904139-21/usr/sbin/munin07:25:153
3897822994126,11cyclictest3951315-21/usr/sbin/munin09:45:163
3897822994123,13cyclictest0-21swapper/307:10:113
3897822994122,15cyclictest3913474-21grep07:50:243
3897817994134,4cyclictest3924042-21unixbench_singl08:20:252
3897817994132,5cyclictest0-21swapper/209:50:002
3897813994131,7cyclictest3942835-21cut09:20:191
3897822994029,8cyclictest4008285-21apt-get12:30:123
3897822994029,7cyclictest3922955-21munin-node08:20:113
3897822994028,8cyclictest3916666-21ntp_kernel_pll_08:00:213
3897822994026,9cyclictest3994910-21/usr/sbin/munin11:50:213
3897822994026,10cyclictest3966896-21/usr/sbin/munin10:30:183
3897822994026,10cyclictest3906477-21/usr/sbin/munin07:30:243
3897808994033,4cyclictest3936613-21cron08:59:590
3897808994015,22cyclictest3987941-21latency11:30:190
3897822993933,3cyclictest3931723-21apt-get08:45:123
3897822993932,3cyclictest3958036-21apt-get10:05:123
3897822993931,4cyclictest0-21swapper/309:15:153
3897822993930,7cyclictest3950967-21idleruntime-cro09:45:003
3897822993929,7cyclictest391ktimers/310:20:103
3897822993926,10cyclictest3966018-21cron10:26:013
3897822993926,10cyclictest3909913-21/usr/sbin/munin07:40:243
3897822993925,10cyclictest3947882-21diskstats09:35:153
3897822993924,4cyclictest3910878-21/usr/sbin/munin07:45:143
3897822993923,11cyclictest3973773-21/usr/sbin/munin10:50:163
3897822993922,14cyclictest3999526-21runrttasks12:05:113
3897822993916,7cyclictest0-21swapper/310:40:203
3897813993930,5cyclictest0-21swapper/108:40:011
3897808993925,9cyclictest0-21swapper/008:50:130
3897808993924,11cyclictest121ktimers/010:40:110
3897808993921,15cyclictest0-21swapper/007:45:110
3897822993830,5cyclictest3921231-21apt-get08:15:133
3897822993828,7cyclictest3946733-21/usr/sbin/munin09:30:233
3897822993828,7cyclictest3937302-21/usr/sbin/munin09:00:183
3897822993827,8cyclictest3930019-21apt-get08:40:153
3897822993826,7cyclictest3975470-21/usr/sbin/munin10:55:153
3897822993826,7cyclictest3902611-21/usr/sbin/munin07:20:233
3897822993825,9cyclictest3982306-21df_inode11:15:153
3897822993825,10cyclictest4002215-21/usr/sbin/munin12:10:243
3897822993825,10cyclictest3907339-21/usr/sbin/munin07:35:273
3897822993824,11cyclictest3977751-21/usr/sbin/munin11:00:233
3897822993823,11cyclictest3956873-21/usr/sbin/munin10:00:193
3897822993814,9cyclictest3992113-21cron11:41:003
3897817993830,5cyclictest3985613-21munin-plugin-st11:25:002
3897817993828,7cyclictest3973412-21apt10:50:012
3897808993827,7cyclictest3960308-21ntp_states10:10:210
3897808993824,11cyclictest3946970-21/usr/sbin/munin09:30:250
3897808993821,3cyclictest3904265-21irqstats07:25:160
3897808993820,10cyclictest0-21swapper/009:10:080
3897808993816,19cyclictest3936972-21df_inode09:00:150
3897822993731,3cyclictest3926373-21apt-get08:30:123
3897822993726,8cyclictest4005395-21nfs4_client12:20:203
3897822993723,9cyclictest4003453-21/usr/sbin/munin12:15:183
3897822993719,14cyclictest3972950-21tail10:45:243
3897822993713,11cyclictest645-21runrttasks08:59:103
3897822993711,5cyclictest39866502cat11:25:253
3897813993729,4cyclictest0-21swapper/109:00:251
3897808993730,4cyclictest3999303-21munin-plugin-st12:05:000
3897808993724,7cyclictest0-21swapper/007:55:120
3897808993724,10cyclictest4001784-21/usr/sbin/munin12:10:170
3897808993723,10cyclictest3923224-21/usr/sbin/munin08:20:160
3897808993723,10cyclictest0-21swapper/011:55:110
3897808993720,12cyclictest3920595-21sed08:10:250
3897808993717,15cyclictest3972951-21sed10:45:250
3897808993714,18cyclictest3975323-21latency_hist10:55:010
3897808993713,19cyclictest3903046-21unixbench_singl07:20:260
3897808993712,6cyclictest0-21swapper/007:30:200
3897808993712,23cyclictest0-21swapper/011:25:210
3897808993710,14cyclictest3938552-21latency_hist09:05:010
3897808993710,14cyclictest3938552-21latency_hist09:05:010
3897822993628,5cyclictest3915867-21sendmail08:00:013
3897822993628,4cyclictest3917939-21diskstats08:05:153
3897822993626,7cyclictest4010119-21/usr/sbin/munin12:35:143
3897822993626,7cyclictest3981568-21/usr/sbin/munin11:10:253
3897822993626,7cyclictest3960517-21/usr/sbin/munin10:10:253
3897822993626,7cyclictest3942895-21/usr/sbin/munin09:20:183
3897822993624,9cyclictest3988317-21/usr/sbin/munin11:30:253
3897822993624,7cyclictest3955057-21memory09:55:193
3897817993627,4cyclictest0-21swapper/209:50:342
3897813993629,5cyclictest4007768-21kworker/u8:1+events_unbound12:30:561
3897813993628,4cyclictest0-21swapper/107:30:161
3897813993627,7cyclictest3936345-21kworker/u8:1+events_unbound09:10:301
3897808993627,6cyclictest3952248-21unixbench_singl09:45:250
3897808993626,7cyclictest3956852-21/usr/sbin/munin10:00:180
3897808993625,8cyclictest3961982-21/usr/sbin/munin10:15:190
3897808993625,7cyclictest3989948-21/usr/sbin/munin11:35:230
3897808993624,9cyclictest4006115-21sshd12:22:140
3897808993624,9cyclictest3993353-21/usr/sbin/munin11:45:220
3897808993624,9cyclictest3982497-21/usr/sbin/munin11:15:170
3897808993624,9cyclictest3944985-21/usr/sbin/munin09:25:220
3897808993623,10cyclictest4007493-21timerwakeupswit12:25:240
3897808993623,10cyclictest3921368-21/usr/sbin/munin08:15:160
3897808993619,12cyclictest3959030-21unixbench_multi10:05:250
3897822993529,3cyclictest3933428-21apt-get08:50:143
3897822993528,3cyclictest3978783-21apt-get11:05:143
3897822993525,7cyclictest4007030-21memory12:25:183
3897822993525,7cyclictest3962585-21cron10:16:003
3897822993524,8cyclictest3939296-21/usr/sbin/munin09:10:093
3897817993526,6cyclictest3936138-21grep08:55:242
3897817993526,6cyclictest0-21swapper/212:10:252
3897817993525,5cyclictest0-21swapper/210:05:352
3897813993528,5cyclictest3899335-21kworker/u8:0+events_unbound07:20:051
3897813993527,4cyclictest0-21swapper/108:30:251
3897808993526,6cyclictest3932347-21proc_pri08:45:220
3897808993525,7cyclictest3967723-21cron10:31:010
3897808993525,7cyclictest3954940-21/usr/sbin/munin09:55:170
3897808993525,7cyclictest3947973-21/usr/sbin/munin09:35:160
3897808993525,7cyclictest3928536-21/usr/sbin/munin08:35:220
3897808993524,8cyclictest4003716-21ntp_states12:15:220
3897808993524,8cyclictest3901750-21sh07:20:010
3897808993522,10cyclictest3950522-21/usr/sbin/munin09:40:260
3897808993520,11cyclictest3941971-21unixbench_singl09:15:240
3897808993519,12cyclictest3931072-21sed08:40:310
3897808993512,20cyclictest3976754-21sshd10:59:140
3897808993511,20cyclictest3909614-21ntp_kernel_pll_07:40:200
3897822993424,7cyclictest3990388-21cron11:36:003
3897822993424,7cyclictest3953422-21/usr/sbin/munin09:50:193
3897822993422,7cyclictest3944459-21/usr/sbin/munin09:25:143
3897817993412,3cyclictest39279912latency_hist08:35:022
389781399344,5cyclictest131rcu_preempt08:50:131
3897808993424,7cyclictest3991700-21/usr/sbin/munin11:40:220
3897808993424,7cyclictest3968667-21/usr/sbin/munin10:35:180
3897808993424,7cyclictest3964250-21/usr/sbin/munin10:20:230
3897808993424,7cyclictest3926484-21df_inode08:30:140
3897808993424,7cyclictest3916111-21apt-get08:00:110
3897808993424,7cyclictest3913200-21/usr/sbin/munin07:50:230
3897808993424,7cyclictest3908552-21cron07:37:010
3897808993423,8cyclictest4008283-21/usr/sbin/munin12:30:110
3897808993423,7cyclictest3980750-21/usr/sbin/munin11:10:160
3897808993422,9cyclictest3917815-21/usr/sbin/munin08:05:120
3897808993420,11cyclictest3984481-21/usr/sbin/munin11:20:170
3897808993418,12cyclictest3925689-21grep08:25:260
3897817993325,4cyclictest0-21swapper/211:50:262
3897817993325,4cyclictest0-21swapper/209:25:252
3897817993325,4cyclictest0-21swapper/208:10:252
3897817993324,6cyclictest3989010-21sh11:35:002
3897817993323,7cyclictest4011469-21cron12:40:002
3897817993322,8cyclictest3969791-21sendmail10:40:012
3897813993327,4cyclictest4002593-21kworker/u8:0+events_unbound12:15:551
3897813993325,4cyclictest0-21swapper/112:40:001
3897813993322,7cyclictest0-21swapper/111:25:261
3897808993324,6cyclictest3994950-21/usr/sbin/munin11:50:220
3897808993323,7cyclictest4010513-21/usr/sbin/munin12:35:200
3897808993322,8cyclictest3965449-21ntp_states10:25:220
3897808993320,10cyclictest3943254-21/usr/sbin/munin09:20:250
3897817993225,4cyclictest0-21swapper/208:10:012
3897813993225,4cyclictest3978946-21grep11:05:181
3897813993223,6cyclictest3975108-21cron10:55:011
3897817993122,5cyclictest0-21swapper/207:20:262
3897813993121,5cyclictest0-21swapper/111:40:001
389781399311,5cyclictest3914385-21apt-get07:55:121
3897813993111,5cyclictest131rcu_preempt08:25:261
3897817993024,3cyclictest0-21swapper/208:45:252
3897817993023,4cyclictest0-21swapper/209:15:252
3897817993020,7cyclictest4004635-21sendmail12:20:002
3897817993020,6cyclictest3906659-21grep07:30:252
389781399307,4cyclictest39954232unixbench_singl11:50:261
3897813993023,5cyclictest3971253-21kworker/u8:0+events_unbound10:42:411
3897817992921,4cyclictest0-21swapper/211:55:152
3897817992920,6cyclictest3975145-21ls10:55:012
3897817992919,6cyclictest3961213-21debian-sa110:15:012
3897817992918,7cyclictest3986903-21grep11:25:262
3897813992923,4cyclictest3993810-21kworker/u8:0+events_unbound11:55:541
3897813992921,6cyclictest3892104-21kworker/u8:1+events_unbound07:15:531
3897813992920,5cyclictest3912635-21cut07:50:141
3897817992821,3cyclictest0-21swapper/208:00:012
3897817992820,4cyclictest0-21swapper/209:20:182
3897813992821,4cyclictest0-21swapper/108:15:161
3897813992820,4cyclictest0-21swapper/111:20:011
3897817992719,5cyclictest208-21systemd-logind07:15:022
3897817992719,4cyclictest0-21swapper/212:20:222
3897817992718,6cyclictest0-21swapper/210:30:002
3897817992717,7cyclictest3908418-21sed07:35:272
3897817992717,7cyclictest204-21dbus-daemon09:30:312
3897817992717,5cyclictest3940262-21head09:10:212
3897813992720,5cyclictest3950753-21kworker/u8:0+events_unbound09:50:341
3897813992720,5cyclictest3938087-21kworker/u8:2+events_unbound09:30:331
3897813992719,4cyclictest0-21swapper/112:20:161
3897813992719,3cyclictest0-21swapper/110:20:011
389781399271,5cyclictest131rcu_preempt11:40:121
389781799267,3cyclictest3933887-21wc08:50:202
3897817992619,4cyclictest0-21swapper/207:40:222
3897817992618,4cyclictest0-21swapper/212:00:252
389781799261,6cyclictest3949609-21entropy09:40:162
3897817992615,8cyclictest3976833-21run-parts11:00:012
3897813992619,5cyclictest3929442-21kworker/u8:0+events_unbound08:40:251
3897813992619,4cyclictest3967736-21kworker/u8:1+events_unbound10:46:091
3897813992619,4cyclictest3942411-21idleruntime-cro09:20:001
3897813992619,4cyclictest0-21swapper/111:30:261
3897813992619,3cyclictest0-21swapper/107:25:041
3897813992618,4cyclictest0-21swapper/111:10:171
3897813992617,6cyclictest3947948-21grep09:35:161
3897813992617,6cyclictest0-21swapper/108:45:151
3897813992615,8cyclictest3976842-21tr11:00:011
389781399261,12cyclictest0-21swapper/108:08:271
3897817992517,4cyclictest0-21swapper/207:50:242
3897817992516,6cyclictest3983766-21ls11:20:012
3897817992514,8cyclictest3925239-21ntp_states08:25:222
3897817992514,7cyclictest3971057-21grep10:40:262
3897813992519,4cyclictest3962582-21kworker/u8:0+events_unbound10:32:431
3897813992519,4cyclictest3959286-21kworker/u8:2+events_unbound10:24:411
3897813992518,5cyclictest3997515-21kworker/u8:2+events_unbound12:00:171
3897813992518,5cyclictest3913642-21kworker/u8:2+events_unbound08:02:001
3897813992518,5cyclictest3899335-21kworker/u8:0+events_unbound07:35:191
3897813992516,5cyclictest0-21swapper/112:25:231
3897813992516,5cyclictest0-21swapper/109:00:001
389781399251,5cyclictest3912245-21basename07:50:011
389781399251,12cyclictest3921809-21kworker/1:0-mm_percpu_wq09:26:531
3897817992416,5cyclictest0-21swapper/209:00:162
3897817992416,4cyclictest3966802-21cut10:30:172
3897817992416,4cyclictest0-21swapper/210:20:232
3897817992413,8cyclictest3990741-21tr11:40:002
389781399246,9cyclictest131rcu_preempt09:40:261
3897813992418,4cyclictest3959286-21kworker/u8:2+events_unbound10:28:031
3897813992417,5cyclictest3995756-21kworker/u8:1+events_unbound12:05:121
3897813992417,4cyclictest0-21swapper/107:40:151
3897813992416,4cyclictest3969789-21sendmail10:40:011
3897817992317,4cyclictest164-21systemd-journal11:02:402
3897817992316,5cyclictest178-21systemd-udevd09:08:402
3897817992316,5cyclictest178-21systemd-udevd09:08:392
3897817992316,4cyclictest3957322-21tail10:00:242
3897817992314,6cyclictest0-21swapper/210:20:012
3897817992313,7cyclictest3929164-21grep08:35:292
3897817992313,6cyclictest0-21swapper/211:05:282
389781399232,11cyclictest0-21swapper/107:10:121
3897813992317,4cyclictest4002593-21kworker/u8:0+events_unbound12:14:041
3897813992317,4cyclictest3976541-21kworker/u8:1+events_unbound11:22:581
3897817992216,4cyclictest3993244-21ntp_offset11:45:202
3897817992214,4cyclictest0-21swapper/209:35:162
3897813992217,3cyclictest0-21swapper/110:05:121
3897813992215,5cyclictest3950753-21kworker/u8:0+events_unbound09:48:341
3897817992114,3cyclictest0-21swapper/212:05:152
389781399213,3cyclictest131rcu_preempt10:00:111
3897813992115,4cyclictest3938752-21kworker/u8:0+events_unbound09:08:081
3897813992115,4cyclictest3938752-21kworker/u8:0+events_unbound09:08:081
389781799209,7cyclictest4007651-21grep12:25:242
3897817992015,3cyclictest0-21swapper/207:45:202
3897817992014,3cyclictest0-21swapper/212:30:162
389781399205,3cyclictest131rcu_preempt10:11:571
389781799199,6cyclictest0-21swapper/208:00:172
3897817991912,5cyclictest0-21swapper/211:10:192
3897813991912,5cyclictest231ktimers/111:45:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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