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2026-02-23 - 13:55
[ 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 Mon Feb 23, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3913999994136,3cyclictest4131764-21apt-get22:40:111
3913993993835,2cyclictest4063821-21kworker/u8:0+flush-259:022:15:240
3913999993730,5cyclictest4079535-21apt-get21:50:121
3914007993632,3cyclictest4156854-21kworker/u8:1+flush-259:023:55:153
3913993993632,3cyclictest4156854-21kworker/u8:1+flush-259:023:20:260
3914007993428,4cyclictest4084476-21latency_hist21:55:013
3914003993429,4cyclictest4063821-21kworker/u8:0+flush-259:021:40:172
3913993993430,2cyclictest4084597-21gpgv21:55:000
3913993993329,3cyclictest4063821-21kworker/u8:0+flush-259:023:00:240
3914003993226,4cyclictest3991737-21kworker/u8:1+flush-259:021:15:152
3914007993127,3cyclictest4111117-21/usr/sbin/munin22:20:153
3913999993126,3cyclictest25897-21/usr/sbin/munin00:05:131
3913999993124,5cyclictest20743-21apt-get00:00:121
3914007993026,3cyclictest4063821-21kworker/u8:0+flush-259:023:10:233
3913999993025,3cyclictest4126602-21apt-get22:35:111
3913999992925,3cyclictest30821-21kworker/u8:1+flush-259:000:10:161
3913993992825,2cyclictest3950148-21kworker/u8:1+flush-259:019:55:220
3913993992824,3cyclictest4069221-21apt-get21:40:110
3914007992725,1cyclictest3914196-21kworker/u8:3+flush-259:019:30:223
3914007992723,3cyclictest821155-21kworker/u8:1+flush-259:019:20:163
3914003992721,4cyclictest252-21systemd-journal22:35:002
3913993992724,2cyclictest4156854-21kworker/u8:1+flush-259:023:15:240
3913993992724,2cyclictest4079295-21kworker/u8:5+flush-259:022:35:220
3913993992723,3cyclictest4028066-21apt-get21:00:110
3913993992723,3cyclictest4028066-21apt-get21:00:110
391399399271,24cyclictest509-21rs:main0
3914007992623,2cyclictest4053541-21kworker/u8:3+flush-259:021:25:243
3914003992522,2cyclictest46517-21kworker/u8:2+flush-259:000:35:182
3914003992520,3cyclictest3924340-21cron19:20:002
3913999992521,3cyclictest4111110-21kworker/u8:1+flush-259:022:20:241
3913993992522,2cyclictest3981454-21kworker/u8:2+flush-259:022:00:190
3913993992520,4cyclictest61741-21latency_hist00:40:010
3914007992421,2cyclictest3950148-21kworker/u8:1+flush-259:019:45:243
3914007992420,3cyclictest3981454-21kworker/u8:2+flush-259:020:35:253
3914003992419,3cyclictest3914203-21/usr/sbin/munin19:10:132
3913999992420,3cyclictest4105976-21/usr/sbin/munin22:15:151
3913999992419,4cyclictest3934962-21apt-get19:30:111
3913999992417,5cyclictest4027805-21latency_hist21:00:001
3913993992421,2cyclictest3991737-21kworker/u8:1+events_unbound20:30:250
3913993992421,2cyclictest3914196-21kworker/u8:3+events_unbound19:50:010
3914007992320,2cyclictest4079295-21kworker/u8:5+flush-259:022:45:233
3914007992320,2cyclictest4063821-21kworker/u8:0+flush-259:022:15:253
3914007992319,3cyclictest4079295-21kworker/u8:5+flush-259:022:40:253
3914003992318,4cyclictest30821-21kworker/u8:1+flush-259:000:10:262
3914003992317,4cyclictest4016659-21ntpq20:45:232
3914003992315,5cyclictest4172743-21latency_hist23:20:012
3913993992320,2cyclictest3914196-21kworker/u8:3+flush-259:019:40:210
3914003992218,3cyclictest4063821-21kworker/u8:0+flush-259:021:40:012
3914003992215,5cyclictest3995960-21ntpq20:25:202
3913993992219,2cyclictest3914196-21kworker/u8:3+flush-259:019:30:150
3914007992118,2cyclictest61727-21idleruntime-cro00:40:003
3914007992118,2cyclictest4063821-21kworker/u8:0+flush-259:023:05:243
3914007992118,2cyclictest3981454-21kworker/u8:2+flush-259:020:20:203
3914003992118,2cyclictest0-21swapper/219:50:002
3914003992115,4cyclictest3939879-21latency_hist19:35:012
3913999992116,3cyclictest3950370-21/usr/sbin/munin19:45:141
3913993992118,2cyclictest821155-21kworker/u8:1+events_unbound19:15:000
3913993992118,2cyclictest14905-21kworker/u8:0+flush-259:000:15:240
3914007992017,2cyclictest4079295-21kworker/u8:5+flush-259:022:10:013
3914007992017,2cyclictest3991737-21kworker/u8:1+events_unbound21:05:173
3914007992016,3cyclictest509-21rs:main3
3914007992016,3cyclictest3991737-21kworker/u8:1+flush-259:021:30:203
3914003992016,3cyclictest4126568-21kworker/u8:2+flush-259:022:50:212
3914003992015,3cyclictest3981454-21kworker/u8:2+flush-259:021:20:162
3914003992014,4cyclictest252-21systemd-journal19:38:172
3913999992017,2cyclictest4063821-21kworker/u8:0+flush-259:022:25:171
3913999992016,3cyclictest4100787-21/usr/sbin/munin22:10:171
3913999992015,3cyclictest4043481-21apt-get21:15:101
3913993992017,2cyclictest3991737-21kworker/u8:1+flush-259:020:45:210
3913993992017,2cyclictest3966224-21kworker/u8:3+flush-259:020:20:150
3913993992017,2cyclictest14905-21kworker/u8:0+flush-259:000:05:210
3913993992016,3cyclictest4217-21kworker/u8:3+events_unbound23:50:220
3913993992016,3cyclictest4063821-21kworker/u8:0+flush-259:022:55:210
3913993992016,3cyclictest3991737-21kworker/u8:1+events_unbound21:15:210
3913993992016,3cyclictest3950148-21kworker/u8:1+flush-259:019:45:210
3914007991916,2cyclictest45897-21sshd00:20:263
3914007991916,2cyclictest4175315-21kthreadcore23:20:203
3914007991916,2cyclictest4156854-21kworker/u8:1+flush-259:023:45:213
3914007991915,3cyclictest4131487-21cron22:40:003
3914003991915,3cyclictest3991737-21kworker/u8:1+flush-259:021:30:172
3914003991914,3cyclictest3981454-21kworker/u8:2+flush-259:020:40:172
3914003991913,4cyclictest3914196-21kworker/u8:3+flush-259:019:25:172
3913999991916,2cyclictest4126338-21turbostat.cron22:35:001
3913999991913,4cyclictest3924584-21/usr/sbin/munin19:20:201
3913993991916,3cyclictest3981454-21kworker/u8:2+events_unbound21:45:230
3913993991916,2cyclictest4079295-21kworker/u8:5+events_unbound22:40:150
3913993991916,1cyclictest0-21swapper/000:00:010
3913993991915,3cyclictest3950148-21kworker/u8:1+events_unbound20:00:120
3914007991815,2cyclictest4146949-21idleruntime-cro22:55:003
3914007991815,2cyclictest4063821-21kworker/u8:0+events_unbound23:25:133
3914007991815,2cyclictest3981454-21kworker/u8:2+events_unbound21:10:143
3914007991814,3cyclictest4156854-21kworker/u8:1+events_unbound23:40:223
3914007991814,3cyclictest14905-21kworker/u8:0+flush-259:000:05:183
3914003991815,2cyclictest4132174-21irqcore22:40:162
3914003991814,3cyclictest14905-21kworker/u8:0+flush-259:000:00:262
3914003991813,4cyclictest3966224-21kworker/u8:3+flush-259:020:05:002
3913993991814,3cyclictest46517-21kworker/u8:2+flush-259:000:30:180
3913993991814,3cyclictest4192739-21kworker/u8:0+events_unbound23:40:210
3913993991813,4cyclictest31060-21apt-get00:10:110
391399399181,15cyclictest1-21systemd22:31:180
3914007991714,2cyclictest3924577-21kworker/u8:0+events_unbound20:15:233
3914007991713,3cyclictest4063821-21kworker/u8:0+flush-259:021:35:203
3914003991713,2cyclictest0-21swapper/221:10:002
3914003991710,5cyclictest4157236-21latency_hist23:05:012
3913999991713,3cyclictest3991737-21kworker/u8:1+flush-259:020:50:171
3913999991710,5cyclictest3965998-21latency_hist20:00:011
3913993991714,2cyclictest4126568-21kworker/u8:2+events_unbound23:30:180
3913993991714,2cyclictest4111110-21kworker/u8:1+events_unbound22:20:180
3913993991714,2cyclictest4079295-21kworker/u8:5+events_unbound21:55:200
3913993991714,2cyclictest3981454-21kworker/u8:2+flush-259:021:05:240
3913993991714,2cyclictest3924577-21kworker/u8:0+events_unbound20:15:160
3913993991713,3cyclictest3991737-21kworker/u8:1+flush-259:020:55:210
3914007991614,2cyclictest3991737-21kworker/u8:1+events_unbound20:55:243
3914007991613,2cyclictest3981454-21kworker/u8:2+flush-259:021:45:203
3914003991612,3cyclictest507-21in:imuxsock19:25:002
3914003991612,3cyclictest4177891-21cron23:25:002
3914003991610,4cyclictest3990867-21ntpq20:20:212
3913999991614,1cyclictest3981425-21cron20:14:591
3913999991613,2cyclictest0-21swapper/120:19:591
3913999991612,3cyclictest3898469-21kworker/u8:2+flush-259:019:15:241
3913999991611,3cyclictest56840-21/usr/sbin/munin00:35:221
3913999991610,4cyclictest252-21systemd-journal20:44:591
3913999991610,4cyclictest252-21systemd-journal19:40:171
3913993991614,1cyclictest60350irq/132-enp0s29f1:rx-022:05:130
3913993991613,2cyclictest61150irq/133-enp0s29f1:tx-021:25:100
3913993991613,2cyclictest60350irq/132-enp0s29f1:rx-021:20:230
3913993991612,3cyclictest4063821-21kworker/u8:0+flush-259:023:10:210
3913993991612,3cyclictest0-21swapper/021:40:010
3913993991611,3cyclictest252-21systemd-journal20:40:180
3914007991512,3cyclictest4063821-21kworker/u8:0+events_unbound22:30:153
3914007991512,2cyclictest500-21systemd-logind21:20:003
3914007991512,2cyclictest4063821-21kworker/u8:0+events_unbound22:55:233
3914007991512,2cyclictest3966224-21kworker/u8:3+events_unbound20:05:163
3914007991512,2cyclictest2971-21cron21:25:003
3914007991511,3cyclictest3981454-21kworker/u8:2+events_unbound22:00:213
3914007991511,3cyclictest3981454-21kworker/u8:2+events_unbound21:00:153
3914007991511,3cyclictest3981454-21kworker/u8:2+events_unbound21:00:143
3914007991511,3cyclictest30821-21kworker/u8:1+events_unbound00:10:133
391400399159,5cyclictest4167579-21latency_hist23:15:002
3914003991511,3cyclictest14905-21kworker/u8:0+flush-259:000:05:232
391399999159,4cyclictest3955956-21/usr/sbin/munin19:50:161
391399999158,1cyclictest0-21swapper/121:40:011
3913999991512,2cyclictest626-21kthreadcore23:40:171
3913999991512,2cyclictest0-21swapper/120:30:001
3913999991511,3cyclictest3991737-21kworker/u8:1+flush-259:021:05:011
3913999991511,3cyclictest3991737-21kworker/u8:1+flush-259:021:05:001
391399999151,13cyclictest1-21systemd19:27:171
3913993991513,1cyclictest60350irq/132-enp0s29f1:rx-021:10:230
3913993991513,1cyclictest60350irq/132-enp0s29f1:rx-020:09:240
3913993991513,1cyclictest60350irq/132-enp0s29f1:rx-019:25:150
3913993991512,2cyclictest60350irq/132-enp0s29f1:rx-023:05:190
3913993991512,2cyclictest60350irq/132-enp0s29f1:rx-020:50:160
3913993991511,3cyclictest252-21systemd-journal20:12:170
391400799149,3cyclictest252-21systemd-journal21:45:013
3914007991411,2cyclictest52120-21irqcore00:30:173
3914007991411,2cyclictest3924577-21kworker/u8:0+events_unbound19:25:133
3914007991411,2cyclictest30821-21kworker/u8:1+events_unbound00:15:283
3914007991410,3cyclictest3914196-21kworker/u8:3+flush-259:019:40:003
391400399149,4cyclictest4156854-21kworker/u8:1+flush-259:023:10:002
391400399149,3cyclictest3981454-21kworker/u8:2+flush-259:020:35:172
391400399144,8cyclictest1-21systemd23:55:002
3914003991411,2cyclictest4137938-21kthreadcore22:45:172
3914003991411,2cyclictest4058658-21idleruntime-cro21:30:012
3914003991411,2cyclictest3983995-21kthreadcore20:15:192
3914003991410,3cyclictest4156854-21kworker/u8:1+flush-259:023:25:242
391399999149,4cyclictest4099667-21ntpq22:05:211
391399999149,4cyclictest3981454-21kworker/u8:2+flush-259:021:05:161
391399999147,5cyclictest252-21systemd-journal21:55:181
3913999991411,2cyclictest4162445-21sh23:09:591
391399399149,4cyclictest4126568-21kworker/u8:2+events_unbound23:35:190
3913993991413,1cyclictest60350irq/132-enp0s29f1:rx-021:34:580
3913993991412,1cyclictest60350irq/132-enp0s29f1:rx-020:25:270
3913993991412,1cyclictest60350irq/132-enp0s29f1:rx-019:39:550
3913993991412,1cyclictest60350irq/132-enp0s29f1:rx-019:18:390
3913993991412,1cyclictest60350irq/132-enp0s29f1:rx-000:02:350
3913993991411,2cyclictest60350irq/132-enp0s29f1:rx-019:20:120
3913993991411,2cyclictest4156854-21kworker/u8:1+flush-259:023:45:200
3913993991411,2cyclictest4063821-21kworker/u8:0+flush-259:022:25:220
391400799139,3cyclictest3997146-21apt-get20:30:123
3914007991311,1cyclictest3962143-21kthreadcore19:55:193
3914007991310,2cyclictest4156854-21kworker/u8:1+events_unbound23:15:253
3914007991310,2cyclictest4126568-21kworker/u8:2+events_unbound23:30:223
391400399139,3cyclictest4024465-21kthreadcore20:55:172
391400399137,4cyclictest3965071-21ntpq19:55:212
3914003991310,2cyclictest4119203-21kthreadcore22:25:182
3914003991310,2cyclictest3914196-21kworker/u8:3+flush-259:019:50:162
3914003991310,1cyclictest0-21swapper/200:00:012
391400399130,7cyclictest51457-21munin-run00:30:012
391399999136,5cyclictest4177043-21ntpq23:20:231
3913999991310,2cyclictest3997212-21cpuspeed_turbos20:30:141
3913993991311,2cyclictest60350irq/132-enp0s29f1:rx-023:26:440
3913993991311,1cyclictest60350irq/132-enp0s29f1:rx-020:36:020
3913993991311,1cyclictest60350irq/132-enp0s29f1:rx-000:20:150
391400799129,2cyclictest4217-21kworker/u8:3+flush-259:023:50:213
391400799128,3cyclictest3981454-21kworker/u8:2+events_unbound22:10:103
391400799128,3cyclictest3924577-21kworker/u8:0+flush-259:020:25:413
3914007991210,1cyclictest4153404-21kthreadcore23:00:183
391400399129,2cyclictest41477-21cpuspeed_turbos00:20:122
391400399129,2cyclictest1-21systemd00:30:462
391400399129,2cyclictest0-21swapper/222:59:592
391400399125,5cyclictest509-21rs:main2
391399999129,2cyclictest51011-21unixbench_singl00:25:261
391399999129,2cyclictest503-21tpm2-abrmd20:05:011
391399999128,3cyclictest20051-21apt-get00:00:001
3913993991210,1cyclictest4063821-21kworker/u8:0+events_unbound22:10:170
391400799119,1cyclictest0-21swapper/320:00:193
391400799118,2cyclictest3914196-21kworker/u8:3+flush-259:019:40:173
391400799118,1cyclictest0-21swapper/322:25:253
391400799110,10cyclictest4021634-21/usr/sbin/munin20:50:213
391400399118,2cyclictest4106066-21cpuspeed_turbos22:15:142
391400399118,2cyclictest0-21swapper/220:10:022
391400399117,3cyclictest3991737-21kworker/u8:1+flush-259:020:55:002
391400399116,3cyclictest252-21systemd-journal21:55:032
391400399115,4cyclictest252-21systemd-journal23:45:002
391400399114,1cyclictest0-21swapper/223:39:592
391400399111,8cyclictest4100565-21awk22:10:012
391400399111,8cyclictest4079262-21idleruntime-cro21:50:002
391400399111,2cyclictest41150-21awk00:20:012
391399999119,1cyclictest4040632-21tr21:10:181
391399999119,1cyclictest0-21swapper/122:05:011
391399999118,2cyclictest4858-21cpuspeed_turbos23:45:121
391399999118,2cyclictest3986924-21cpuspeed_turbos20:20:121
391399999112,1cyclictest0-21swapper/121:50:011
391400799107,2cyclictest4012755-21fschecks_count20:45:143
391400399106,2cyclictest0-21swapper/221:55:012
391400399105,3cyclictest513-21gdbus21:05:012
391400399105,3cyclictest513-21gdbus21:05:002
391399999108,1cyclictest0-21swapper/123:05:001
391399999107,1cyclictest0-21swapper/123:10:201
391399999107,1cyclictest0-21swapper/121:45:001
391399999105,3cyclictest4142061-21apt-get22:50:101
391399399108,1cyclictest60350irq/132-enp0s29f1:rx-000:25:180
391399399101,8cyclictest3913939-21latency_hist19:10:000
391399399101,7cyclictest4136923-21apt-get22:45:120
39140039996,2cyclictest0-21swapper/222:00:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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