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2026-01-26 - 05:52
[ 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 100 highest latencies:
System rackbslot5s.osadl.org (updated Mon Jan 26, 2026 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3190817995113,20cyclictest0-21swapper/222:15:232
319081799511,31cyclictest3245169-21forks21:45:162
3190817994938,7cyclictest3305275-21grep00:35:272
3190819994820,24cyclictest3305317-21grep00:35:273
3190817994830,14cyclictest0-21swapper/223:25:002
3190808994840,5cyclictest3190799-21cyclictest22:35:260
3190808994840,5cyclictest3190799-21cyclictest22:35:260
3190819994739,4cyclictest3215499-21munin-plugin-st20:20:013
3190819994738,6cyclictest3279654-21debian-sa123:25:003
3190817994725,18cyclictest0-21swapper/222:35:002
3190817994725,18cyclictest0-21swapper/222:35:002
3190817994534,7cyclictest3240962-21grep21:30:252
3190817994510,22cyclictest3273153-21df23:05:152
3190817994510,22cyclictest3273153-21df23:05:152
3190819994433,6cyclictest3209906-21grep20:00:233
319081999441,37cyclictest3297318-21/usr/sbin/munin00:15:143
3190817994437,4cyclictest3292931-21runrttasks00:00:252
319081999432,36cyclictest3223578-21unixbench_multi20:40:243
3190812994335,5cyclictest3201825-21sendmail19:40:011
3190812994334,5cyclictest3249916-21cron22:00:011
3190819994233,4cyclictest0-21swapper/323:12:073
3190819994215,23cyclictest3293081-21tail00:00:263
3190812994234,4cyclictest3225353-21unixbench_singl20:45:241
3190812994231,8cyclictest231ktimers/100:35:141
3190808994234,4cyclictest3256993-21sendmail22:20:000
3190819994133,4cyclictest0-21swapper/320:00:013
3190819994131,6cyclictest3240965-21unixbench_singl21:30:253
3190819994128,8cyclictest0-21swapper/321:00:253
3190819994123,14cyclictest3254807-21grep22:10:293
3190819994118,20cyclictest0-21swapper/319:40:173
319081999411,3cyclictest0-21swapper/323:55:113
319081999411,3cyclictest0-21swapper/319:50:143
319081999411,34cyclictest3253345-21cron22:10:003
319081999411,10cyclictest3295599-21df_inode00:10:143
319081999410,3cyclictest0-21swapper/323:35:123
3190817994129,8cyclictest3194306-21grep19:15:262
3190817994124,12cyclictest0-21swapper/223:45:152
3190817994123,14cyclictest0-21swapper/220:30:262
3190817994117,20cyclictest0-21swapper/223:50:242
319081799411,31cyclictest645-21runrttasks21:25:122
3190808994118,5cyclictest131rcu_preempt20:25:220
319081999408,26cyclictest3212758-21/usr/sbin/munin20:10:193
319081999402,35cyclictest3285470-21/usr/sbin/munin23:40:163
319081999402,33cyclictest3234094-21unixbench_singl21:10:243
319081999402,2cyclictest3298929-21apt-get00:20:123
319081999401,3cyclictest0-21swapper/322:45:133
319081999401,3cyclictest0-21swapper/320:35:143
319081999401,36cyclictest3282934-21cron23:31:003
319081999401,34cyclictest3256566-21unixbench_singl22:15:253
319081799402,32cyclictest3207176-21apt-get19:55:122
3190812994029,6cyclictest0-21swapper/123:40:251
3190808994034,4cyclictest3252004-21kworker/u8:2+events_unbound22:32:010
3190808994034,4cyclictest3252004-21kworker/u8:2+events_unbound22:32:010
319081999399,25cyclictest0-21swapper/322:40:243
3190819993929,7cyclictest3239267-21grep21:25:263
319081999392,34cyclictest3293785-21apt-get00:05:133
319081999392,33cyclictest3287979-21sed23:45:253
319081999392,33cyclictest3257385-21cut22:20:163
319081999391,7cyclictest3192620-21munin-node19:15:013
319081999391,3cyclictest0-21swapper/322:35:133
319081999391,3cyclictest0-21swapper/322:35:133
319081999391,35cyclictest3215879-21/usr/sbin/munin20:20:163
319081999391,34cyclictest3303611-21unixbench_singl00:30:263
319081999391,34cyclictest3303611-21unixbench_singl00:30:263
319081999391,34cyclictest3226445-21memory20:50:193
319081999391,34cyclictest3211651-21sed20:05:283
319081999391,33cyclictest3247751-21sed21:50:253
319081999391,33cyclictest3227888-21cut20:55:163
319081999391,33cyclictest3204818-21grep19:45:263
319081999391,33cyclictest3199429-21grep19:30:263
319081999391,32cyclictest3219344-21grep20:30:173
3190819993913,23cyclictest3193496-21fschecks_time19:15:173
319081999391,10cyclictest3197946-21taskset19:27:083
319081799391,35cyclictest3290980-21processes23:55:222
319081799390,31cyclictest0-21swapper/221:50:132
319081999383,32cyclictest3259255-21df_inode22:25:153
319081999383,31cyclictest3249914-21cron22:00:023
3190819993830,4cyclictest3232824-21cron21:10:003
319081999382,31cyclictest3251243-21head22:00:263
319081999381,7cyclictest3218470-21unixbench_multi20:25:293
319081999381,3cyclictest0-21swapper/322:55:123
319081999381,3cyclictest0-21swapper/319:20:153
319081999381,34cyclictest3281230-21cron23:26:003
319081999381,32cyclictest3261912-21unixbench_singl22:30:253
319081999381,32cyclictest3261912-21unixbench_singl22:30:253
319081999381,32cyclictest3244338-21grep21:40:253
319081999381,32cyclictest3235391-21ps21:15:233
319081999381,32cyclictest3235391-21ps21:15:233
319081999381,31cyclictest3300633-21/usr/sbin/munin00:25:163
319081999381,11cyclictest3201844-21awk19:40:013
319081999381,10cyclictest3224292-21apt-get20:45:123
3190817993830,4cyclictest0-21swapper/223:00:002
3190817993827,7cyclictest3230429-21grep21:00:252
319081799381,33cyclictest3231350-21apt-get21:05:142
3190817993812,23cyclictest3243900-21ntpq21:40:212
3190808993830,4cyclictest3284557-21unixbench_singl23:35:260
3190808993829,6cyclictest3279648-21cron23:25:000
3190819993727,6cyclictest3269369-21cron22:55:003
319081999371,9cyclictest3245191-21grep21:45:163
319081999371,2cyclictest3241606-21apt-get21:35:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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