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2026-03-09 - 08:49
[ 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 100 highest latencies:
System rackeslot4s.osadl.org (updated Mon Mar 09, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2667987994440,3cyclictest2823477-21kworker/u8:4+flush-259:021:50:002
2667990993327,4cyclictest2730081-21latency_hist20:10:003
2667990993327,4cyclictest2699298-21latency_hist19:40:003
2667990993124,5cyclictest2689021-21latency_hist19:30:003
2667980993024,4cyclictest2984979-21apt-get00:15:120
2667985992923,4cyclictest2896948-21latency_hist22:50:011
2667985992923,4cyclictest2870880-21/usr/sbin/munin22:25:131
2667987992823,4cyclictest2896965-21kworker/u8:3+flush-259:022:50:152
2667987992822,4cyclictest2892241-21diskstats22:45:152
2667987992822,4cyclictest2891822-21latency_hist22:45:012
2667985992520,3cyclictest2694402-21apt-get19:35:121
2667985992519,4cyclictest2974647-21/usr/sbin/munin00:05:151
2667985992518,5cyclictest252-21systemd-journal21:10:151
2667985992518,5cyclictest252-21systemd-journal00:14:591
2667987992421,1cyclictest0-21swapper/222:25:002
2667987992419,3cyclictest2923024-21kworker/u8:0+flush-259:000:10:172
2667990992216,4cyclictest2776465-21latency_hist20:55:013
2667985992210,6cyclictest2781596-21idleruntime-cro20:59:591
2667990992117,3cyclictest2771331-21kworker/u8:3+flush-259:020:55:263
2667985992117,3cyclictest2859432-21idleruntime-cro22:15:001
2667985992115,4cyclictest2750903-21/usr/sbin/munin20:30:141
2667980992118,2cyclictest2614611-21kworker/u8:5+flush-259:019:30:150
2667980992116,4cyclictest252-21systemd-journal19:15:270
2667987992017,2cyclictest0-21swapper/223:05:012
2667987992015,4cyclictest2958970-21latency_hist23:50:002
2667987992015,4cyclictest2703525-21ntpq19:40:202
2667987992014,5cyclictest2912666-21/usr/sbin/munin23:05:142
2667985992014,4cyclictest2740637-21/usr/sbin/munin20:20:131
2667980992016,3cyclictest2813207-21apt-get21:30:090
2667980992016,3cyclictest252-21systemd-journal19:29:550
266798099201,18cyclictest2974414-21turbostat00:04:590
2667985991916,2cyclictest2949907-21kthreadcore23:40:151
2667985991915,3cyclictest2860096-21kworker/u8:3+flush-259:022:20:181
2667985991914,4cyclictest252-21systemd-journal19:20:001
2667985991914,3cyclictest2679394-21irqcore19:20:221
2667985991913,4cyclictest2802223-21kworker/u8:0+flush-259:022:05:241
266798099193,6cyclictest3000199-21latency_hist00:30:000
2667980991912,5cyclictest252-21systemd-journal23:35:000
2667980991912,5cyclictest252-21systemd-journal23:10:000
2667990991813,4cyclictest2938531-21/usr/sbin/munin23:30:153
2667990991813,4cyclictest2870397-21cat22:25:013
2667990991812,4cyclictest2740401-21latency_hist20:20:013
2667987991815,2cyclictest2771331-21kworker/u8:3+flush-259:021:15:172
2667987991812,4cyclictest2933119-21latency_hist23:25:012
2667985991814,2cyclictest0-21swapper/121:40:001
2667985991812,4cyclictest2953822-21kworker/u8:2+flush-259:023:50:271
2667985991812,4cyclictest252-21systemd-journal22:15:161
2667985991811,5cyclictest509-21rs:main1
2667990991713,3cyclictest2771331-21kworker/u8:3+flush-259:021:05:153
2667990991712,4cyclictest2678424-21base6419:20:003
2667987991715,1cyclictest0-21swapper/221:24:592
2667987991714,2cyclictest0-21swapper/222:40:002
2667987991712,3cyclictest2859446-21latency_hist22:15:002
2667987991710,5cyclictest2953796-21latency_hist23:45:012
2667985991713,3cyclictest2766174-21turbostat.cron20:45:001
2667985991713,2cyclictest0-21swapper/100:35:001
2667985991713,2cyclictest0-21swapper/100:34:591
2667985991712,3cyclictest2730091-21kworker/u8:0+flush-259:020:10:241
2667985991711,4cyclictest252-21systemd-journal23:02:151
266798099175,2cyclictest2947707-21ntpq23:35:200
266798099171,6cyclictest2876699-21cut22:30:160
2667980991714,2cyclictest0-21swapper/020:55:000
2667980991713,3cyclictest2709570-21kworker/u8:2+flush-259:020:05:000
2667980991712,4cyclictest2667971-21kworker/u8:1+flush-259:019:35:170
2667980991711,4cyclictest2995023-21latency_hist00:25:000
2667990991614,1cyclictest0-21swapper/322:15:003
2667987991611,4cyclictest2833798-21/usr/sbin/munin21:50:142
2667985991613,2cyclictest2843915-21systemd-run22:00:001
266798599161,1cyclictest0-21swapper/120:30:001
2667985991610,4cyclictest509-21rs:main1
2667985991610,4cyclictest2807582-21cat21:25:001
266798099163,3cyclictest2875595-21modprobe22:27:150
266798099162,4cyclictest2933136-21systemctl23:25:000
266798099162,4cyclictest2892098-21cpu22:45:130
266798099161,4cyclictest2672788-21modprobe19:11:110
2667980991614,1cyclictest60350irq/132-enp0s29f1:rx-023:11:340
2667980991614,1cyclictest60350irq/132-enp0s29f1:rx-021:10:250
2667980991614,1cyclictest60350irq/132-enp0s29f1:rx-020:15:180
2667980991614,1cyclictest60350irq/132-enp0s29f1:rx-020:05:160
2667980991614,1cyclictest2886220-21idleruntime-cro22:40:000
2667980991613,2cyclictest61150irq/133-enp0s29f1:tx-023:50:200
2667980991613,2cyclictest60350irq/132-enp0s29f1:rx-021:05:220
2667980991613,2cyclictest2745556-21idleruntime-cro20:25:000
266798099160,2cyclictest2979958-21df00:10:130
2667990991512,2cyclictest2719811-21idleruntime-cro20:00:003
2667990991510,3cyclictest0-21swapper/323:10:003
2667987991512,2cyclictest2807351-21apt-get21:25:022
2667987991511,3cyclictest252-21systemd-journal20:19:112
2667987991510,4cyclictest252-21systemd-journal22:20:002
266798599159,5cyclictest2704699-21apt-get19:45:111
266798599159,3cyclictest252-21systemd-journal19:10:111
2667985991511,2cyclictest0-21swapper/121:10:001
266798099152,4cyclictest2870419-21gpgv22:25:000
266798099152,4cyclictest2837796-21ld21:50:190
266798099152,3cyclictest2818500-21sh21:35:120
266798099151,9cyclictest2812034-21ntpq21:25:210
2667980991513,1cyclictest60350irq/132-enp0s29f1:rx-023:45:340
2667980991513,1cyclictest60350irq/132-enp0s29f1:rx-023:40:220
2667980991513,1cyclictest60350irq/132-enp0s29f1:rx-022:40:240
2667980991513,1cyclictest60350irq/132-enp0s29f1:rx-020:35:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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