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2026-02-07 - 10:41
[ 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 Sat Feb 07, 2026 00:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2852720995550,3cyclictest2925545-21base6420:20:011
2852717994439,3cyclictest3023944-21apt-get21:55:000
2852717994339,3cyclictest2883629-21kworker/u8:0+events_unbound20:00:140
2852717994237,3cyclictest2894190-21apt-get19:50:100
2852727994137,3cyclictest2925014-21apt-get20:16:093
2852717993832,4cyclictest3039859-21kworker/u8:0+flush-259:023:10:250
2852720993731,4cyclictest3143833-21apt-get23:55:101
2852720993731,4cyclictest3071021-21/usr/sbin/munin22:40:141
2852717993632,3cyclictest2924933-21kworker/u8:1+events_unbound21:00:130
2852723993531,3cyclictest3112565-21kworker/u8:1+flush-259:023:35:142
2852720993529,3cyclictest252-21systemd-journal21:25:091
2852720993529,3cyclictest252-21systemd-journal21:25:091
2852717993531,3cyclictest2847764-21kworker/u8:3+events_unbound19:25:200
2852727993429,3cyclictest3039859-21kworker/u8:0+flush-259:023:45:193
2852717993431,2cyclictest2962544-21kworker/u8:0+events_unbound21:15:140
2852717993430,3cyclictest2924933-21kworker/u8:1+flush-259:021:00:000
2852727993326,4cyclictest2889008-21/usr/sbin/munin19:45:153
2852717993330,2cyclictest3040074-21kworker/u8:4+flush-259:022:15:210
2852717993328,3cyclictest3065838-21kworker/u8:4+events_unbound22:40:130
2852717993229,2cyclictest3133137-21kworker/u8:2+flush-259:023:55:200
2852723993125,4cyclictest3190877-21latency_hist00:40:012
2852717993124,4cyclictest3008425-21latency_hist21:40:010
285271799311,28cyclictest1-21systemd23:39:090
2852727993026,3cyclictest3039859-21kworker/u8:0+flush-259:023:50:253
2852727993022,6cyclictest3086262-21latency_hist22:55:013
2852717993027,2cyclictest3065838-21kworker/u8:4+events_unbound22:35:140
2852717993026,3cyclictest2899107-21kworker/u8:3+events_unbound21:30:170
2852717993025,4cyclictest3112901-21apt-get23:25:120
2852717992925,3cyclictest2941520-21apt-get20:35:120
2852717992925,3cyclictest2873534-21kworker/u8:4+events_unbound19:38:100
2852720992823,4cyclictest2873327-21kworker/u8:2+flush-259:019:55:261
2852717992822,4cyclictest252-21systemd-journal00:28:090
2852727992723,3cyclictest3159643-21kworker/u8:1+flush-259:000:20:263
2852727992720,5cyclictest3024121-21cp21:55:003
2852727992720,5cyclictest3008421-21awk21:40:003
2852723992719,5cyclictest252-21systemd-journal00:20:122
2852727992620,4cyclictest2899107-21kworker/u8:3+flush-259:020:25:273
2852727992620,4cyclictest252-21systemd-journal23:03:093
2852727992618,5cyclictest2857815-21latency_hist19:15:003
2852723992620,4cyclictest3164723-21gpgv00:15:012
2852723992619,5cyclictest2977429-21latency_hist21:10:002
2852720992620,4cyclictest3013853-21apt-get21:45:101
2852717992623,2cyclictest3039859-21kworker/u8:0+events_unbound23:19:590
2852717992623,2cyclictest2914773-21kworker/u8:2+flush-259:020:10:210
2852717992623,2cyclictest2842678-21kworker/u8:0+events_unbound19:10:240
2852717992623,2cyclictest2842678-21kworker/u8:0+events_unbound19:10:230
2852717992622,3cyclictest2899107-21kworker/u8:3+events_unbound21:05:190
2852720992522,2cyclictest252-21systemd-journal19:35:091
2852717992522,2cyclictest3159643-21kworker/u8:1+events_unbound00:10:190
2852717992522,2cyclictest3039859-21kworker/u8:0+flush-259:023:45:210
2852717992521,3cyclictest3039859-21kworker/u8:0+flush-259:023:50:160
2852717992521,2cyclictest2899107-21kworker/u8:3+flush-259:021:25:000
2852727992420,3cyclictest3039859-21kworker/u8:0+events_unbound23:20:103
2852727992419,3cyclictest2893790-21kworker/u8:1+flush-259:020:05:153
2852727992418,4cyclictest3040110-21apt-get22:10:103
2852723992418,4cyclictest252-21systemd-journal23:10:002
2852717992421,2cyclictest2924933-21kworker/u8:1+events_unbound20:50:120
2852717992421,2cyclictest2883629-21kworker/u8:0+events_unbound20:20:220
2852717992421,2cyclictest2857806-21kworker/u8:1+events_unbound19:20:240
2852717992420,3cyclictest2847764-21kworker/u8:3+flush-259:019:30:220
2852717992419,4cyclictest2914665-21gpgv20:10:000
2852717992418,4cyclictest2883843-21/usr/sbin/munin19:40:140
2852727992317,4cyclictest2997198-21kworker/u8:4+flush-259:021:45:153
2852717992320,2cyclictest3148730-21kworker/u8:4+events_unbound00:05:200
2852717992320,2cyclictest3107093-21kworker/u8:3+flush-259:023:40:210
2852717992320,2cyclictest3107093-21kworker/u8:3+flush-259:023:40:200
2852717992320,2cyclictest2899107-21kworker/u8:3+flush-259:020:25:160
2852717992320,2cyclictest2899107-21kworker/u8:3+events_unbound21:10:150
2852717992319,3cyclictest3133137-21kworker/u8:2+events_unbound00:20:130
2852717992319,3cyclictest3055348-21kworker/u8:2+flush-259:022:30:240
2852717992319,3cyclictest3039859-21kworker/u8:0+flush-259:023:24:590
2852717992319,3cyclictest2987940-21kworker/u8:2+events_unbound21:25:180
2852717992319,3cyclictest2987940-21kworker/u8:2+events_unbound21:25:170
2852717992319,3cyclictest2883629-21kworker/u8:0+flush-259:019:55:240
2852717992316,4cyclictest3028698-21ntpq21:55:220
2852727992218,3cyclictest2899107-21kworker/u8:3+flush-259:020:50:213
2852720992218,3cyclictest2858082-21apt-get19:15:101
2852717992219,2cyclictest3086285-21kworker/u8:1+events_unbound23:00:140
2852717992218,3cyclictest3040074-21kworker/u8:4+flush-259:022:15:000
2852727992117,2cyclictest0-21swapper/321:10:003
2852723992118,2cyclictest2924933-21kworker/u8:1+flush-259:020:35:002
2852723992115,4cyclictest3060469-21latency_hist22:30:012
2852723992115,4cyclictest3050170-21latency_hist22:20:002
2852720992118,2cyclictest3013586-21basename21:45:001
2852720992115,4cyclictest3112632-21latency_hist23:25:001
2852720992115,4cyclictest252-21systemd-journal21:02:101
2852720992113,6cyclictest3163720-21ntpq00:10:201
2852717992119,2cyclictest2899107-21kworker/u8:3+events_unbound20:30:240
2852717992117,3cyclictest2883629-21kworker/u8:0+events_unbound20:48:100
2852723992016,3cyclictest3030765-21kworker/u8:3+events_unbound22:20:242
2852720992017,2cyclictest3096568-21turbostat.cron23:05:001
2852720992015,4cyclictest3018370-21kworker/u8:1+flush-259:022:00:151
2852720992015,4cyclictest2899107-21kworker/u8:3+flush-259:020:30:161
2852717992017,2cyclictest3159643-21kworker/u8:1+flush-259:000:15:180
2852717992016,3cyclictest3030765-21kworker/u8:3+events_unbound22:20:090
2852727991915,3cyclictest2924933-21kworker/u8:1+events_unbound20:55:233
2852720991916,2cyclictest3117752-21idleruntime-cro23:30:001
2852720991914,4cyclictest2883629-21kworker/u8:0+flush-259:020:40:171
2852717991916,2cyclictest2997198-21kworker/u8:4+events_unbound21:45:170
2852717991913,4cyclictest252-21systemd-journal23:34:590
2852727991815,2cyclictest3065838-21kworker/u8:4+events_unbound22:35:233
2852727991815,2cyclictest0-21swapper/300:40:013
2852727991812,4cyclictest2977671-21/usr/sbin/munin21:10:133
2852723991814,3cyclictest3076205-21/usr/sbin/munin22:45:202
2852723991813,4cyclictest2847764-21kworker/u8:3+flush-259:019:25:252
2852723991812,4cyclictest3029519-21latency_hist22:00:002
2852723991812,4cyclictest2888767-21latency_hist19:45:012
2852720991815,2cyclictest3091407-21cron22:59:591
2852720991814,3cyclictest3148730-21kworker/u8:4+flush-259:000:05:171
2852720991813,3cyclictest3170220-21latency_hist00:20:011
2852717991815,2cyclictest2997198-21kworker/u8:4+events_unbound21:40:160
2852717991814,3cyclictest2987940-21kworker/u8:2+flush-259:022:05:230
2852717991814,3cyclictest2847764-21kworker/u8:3+flush-259:019:45:210
2852727991714,2cyclictest2875882-21kthreadcore19:30:183
2852727991713,3cyclictest3159414-21sh00:10:003
2852727991713,3cyclictest3040074-21kworker/u8:4+flush-259:022:15:133
2852727991713,3cyclictest2883629-21kworker/u8:0+flush-259:019:50:223
2852727991712,3cyclictest2899107-21kworker/u8:3+flush-259:021:30:163
2852727991711,4cyclictest3107513-21latency_hist23:20:013
2852727991710,5cyclictest2915214-21/usr/sbin/munin20:10:203
2852723991714,2cyclictest3107515-21sh23:20:002
2852723991712,4cyclictest2914547-21apt-get20:10:002
285272099171,9cyclictest3045041-21basename22:15:001
2852720991714,2cyclictest3138405-21sh23:49:591
2852720991714,2cyclictest2873979-21irqcore19:30:151
2852720991712,3cyclictest2863246-21apt-get19:20:101
2852717991715,2cyclictest3039859-21kworker/u8:0+events_unbound22:54:590
2852717991713,3cyclictest3133137-21kworker/u8:2+events_unbound00:00:210
2852717991711,5cyclictest252-21systemd-journal00:31:090
285272799169,5cyclictest3038994-21ntpq22:05:223
2852727991613,2cyclictest3061145-21irqcore22:30:153
2852727991612,3cyclictest3055348-21kworker/u8:2+flush-259:022:25:163
2852727991612,3cyclictest2873327-21kworker/u8:2+events_unbound19:35:213
2852727991612,2cyclictest3151706-21kthreadcore00:00:163
2852727991611,4cyclictest2962544-21kworker/u8:0+events_unbound21:00:153
285272399166,5cyclictest2987713-21munin-run21:20:012
2852723991614,1cyclictest507-21in:imuxsock20:59:592
2852723991611,4cyclictest252-21systemd-journal00:16:082
285272399160,8cyclictest3143574-21munin-run23:55:002
2852720991612,3cyclictest2899107-21kworker/u8:3+flush-259:020:25:161
2852720991612,2cyclictest0-21swapper/122:10:011
2852720991611,4cyclictest3018370-21kworker/u8:1+flush-259:021:55:151
2852717991613,2cyclictest2842678-21kworker/u8:0+events_unbound19:15:130
2852717991612,3cyclictest3055348-21kworker/u8:2+events_unbound22:29:550
2852717991612,3cyclictest3030765-21kworker/u8:3+flush-259:022:00:260
285272799159,4cyclictest252-21systemd-journal21:21:083
2852723991511,3cyclictest2962544-21kworker/u8:0+flush-259:021:00:212
2852723991510,4cyclictest3065838-21kworker/u8:4+flush-259:022:35:212
285272099159,4cyclictest2904517-21apt-get20:00:121
2852717991513,1cyclictest60350irq/132-enp0s29f1:rx-022:55:150
2852717991513,1cyclictest60350irq/132-enp0s29f1:rx-022:49:350
2852717991513,1cyclictest60350irq/132-enp0s29f1:rx-020:18:120
2852717991511,3cyclictest3159643-21kworker/u8:1+flush-259:000:35:190
2852717991511,3cyclictest3086285-21kworker/u8:1+events_unbound23:05:160
285272799141,3cyclictest2888760-21awk19:45:003
2852727991411,2cyclictest2847764-21kworker/u8:3+events_unbound19:10:013
2852727991410,3cyclictest3030765-21kworker/u8:3+flush-259:022:20:253
2852727991410,3cyclictest2899107-21kworker/u8:3+events_unbound21:25:163
2852727991410,3cyclictest2899107-21kworker/u8:3+events_unbound21:25:153
285272399149,4cyclictest3039859-21kworker/u8:0+flush-259:023:10:102
285272399149,4cyclictest2991910-21cut21:20:182
2852723991412,1cyclictest0-21swapper/200:04:592
2852723991410,3cyclictest2899107-21kworker/u8:3+flush-259:020:35:462
285272099149,4cyclictest252-21systemd-journal20:14:551
2852720991411,2cyclictest0-21swapper/121:10:001
285272099141,11cyclictest252-21systemd-journal21:51:091
2852720991410,3cyclictest2961955-21idleruntime-cro20:54:591
285272799139,3cyclictest3039859-21kworker/u8:0+flush-259:023:30:253
285272799138,3cyclictest3039859-21kworker/u8:0+events_unbound23:10:213
2852727991311,1cyclictest2908699-21sensors20:00:243
2852727991310,2cyclictest3164923-21apt-key00:15:013
2852727991310,2cyclictest3039859-21kworker/u8:0+events_unbound22:45:013
2852727991310,2cyclictest252-21systemd-journal22:05:003
2852727991310,1cyclictest2899107-21kworker/u8:3-writeback20:45:183
285272399139,3cyclictest3049919-21kworker/u8:1+flush-259:022:33:402
285272399139,3cyclictest2987940-21kworker/u8:2+flush-259:021:35:002
285272399139,3cyclictest0-21swapper/220:05:002
285272399134,8cyclictest0-21swapper/223:30:002
285272399134,1cyclictest29153642grep20:10:122
2852723991311,1cyclictest2956942-21latency_hist20:50:002
2852723991311,1cyclictest0-21swapper/221:30:012
2852723991311,1cyclictest0-21swapper/221:30:002
2852723991310,2cyclictest3108787-21kthreadcore23:20:122
2852723991310,2cyclictest2997198-21kworker/u8:4+flush-259:021:44:142
2852723991310,2cyclictest2959366-21kthreadcore20:50:172
2852723991310,2cyclictest2920467-21cpuspeed_turbos20:15:132
285272399130,12cyclictest1-21systemd23:03:092
285272099139,2cyclictest2914548-21sh20:10:011
285272099137,4cyclictest3149355-21/usr/sbin/munin00:00:131
2852720991310,2cyclictest2930944-21idleruntime-cro20:25:011
285272799129,2cyclictest2950592-21needreboot20:40:203
285272799129,2cyclictest0-21swapper/319:20:003
285272799129,2cyclictest0-21swapper/300:00:013
285272799128,3cyclictest2899107-21kworker/u8:3+events_unbound20:30:153
285272399129,2cyclictest3005824-21tr21:35:182
285272399128,3cyclictest3159643-21kworker/u8:1+flush-259:000:30:172
285272399127,3cyclictest0-21swapper/223:30:162
285272399125,5cyclictest2930931-21turbostat20:25:002
285272399121,4cyclictest30436942kthreadcore22:10:172
285272399120,6cyclictest3018758-21munin-run21:50:002
285272099129,2cyclictest3190414-21unixbench_multi00:35:251
285272099128,3cyclictest3133137-21kworker/u8:2+flush-259:000:25:241
285272099128,3cyclictest3101990-21apt-get23:10:121
285272099128,3cyclictest2883629-21kworker/u8:0+flush-259:019:41:451
285272799119,1cyclictest0-21swapper/319:55:163
285272799118,2cyclictest3128418-21cpuspeed_turbos23:40:123
285272799118,2cyclictest3128418-21cpuspeed_turbos23:40:113
285272799118,2cyclictest3009715-21kthreadcore21:40:173
285272799118,1cyclictest0-21swapper/320:25:003
285272799117,2cyclictest3027266-21kthreadcore21:55:183
285272799111,8cyclictest3180564-21cron00:30:013
285272799111,8cyclictest2868189-21unin-run19:25:003
285272399118,2cyclictest2867205-21cut19:20:212
285272399116,3cyclictest3143803-21sshd23:55:102
285272399115,4cyclictest490-21dbus-daemon20:00:012
285272099118,2cyclictest3076647-21irqcore22:45:171
285272099118,1cyclictest0-21swapper/119:45:181
285272799108,1cyclictest3076642-21grep22:45:163
285272799107,2cyclictest0-21swapper/323:05:173
285272399108,1cyclictest0-21swapper/200:05:262
285272399107,2cyclictest2878006-21unixbench_multi19:30:242
285272399105,4cyclictest3107093-21kworker/u8:3+flush-259:023:40:262
285272399105,4cyclictest3107093-21kworker/u8:3+flush-259:023:40:262
285272399100,8cyclictest3138409-21latency_hist23:50:002
285272099101,8cyclictest0-21swapper/122:20:151
28527279996,2cyclictest3086652-21cut22:55:123
28527279994,3cyclictest2872521-21/usr/sbin/munin19:25:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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