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2026-02-14 - 07:23
[ 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 Sat Feb 14, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
217442994236,4cyclictest467230-21cat23:10:000
217444993629,5cyclictest461337-21cp23:05:011
217447993429,4cyclictest388133-21latency_hist21:55:012
217447993429,3cyclictest217374-21latency_hist19:10:012
217442993227,3cyclictest252-21systemd-journal20:50:080
217452993127,3cyclictest456195-21kworker/u8:4+flush-259:023:05:173
217447993127,3cyclictest197099-21kworker/u8:3+flush-259:020:00:002
217447993125,4cyclictest382977-21latency_hist21:50:012
217442993128,2cyclictest357261-21kworker/u8:3+events_unbound22:40:190
217444993026,3cyclictest488004-21apt-get23:30:111
217447992822,4cyclictest357240-21latency_hist21:25:012
217452992724,2cyclictest285007-21kworker/u8:4+flush-259:020:20:193
217452992721,4cyclictest311230-21apt-get20:40:103
217444992619,5cyclictest519061-21latency_hist00:00:021
217442992622,3cyclictest285007-21kworker/u8:4+flush-259:020:20:170
217442992622,3cyclictest252-21systemd-journal20:06:340
217452992520,3cyclictest362398-21latency_hist21:30:013
217452992520,3cyclictest331760-21/usr/sbin/munin21:00:233
217442992519,4cyclictest419011-21latency_hist22:25:010
217452992418,4cyclictest513935-21cat23:55:013
217442992420,3cyclictest285045-21apt-get20:15:120
217452992318,4cyclictest503452-21kworker/u8:0+flush-259:000:25:243
217447992318,3cyclictest403836-21/usr/sbin/munin22:10:132
217447992316,5cyclictest221627-21ntpq19:10:202
217444992318,4cyclictest383205-21kworker/u8:0+flush-259:022:10:121
21744299230,22cyclictest1-21systemd20:30:000
217447992219,2cyclictest331567-21kworker/u8:1+flush-259:021:15:232
217447992218,3cyclictest222776-21/usr/sbin/munin19:15:142
217444992218,3cyclictest346982-21kworker/u8:2+flush-259:021:25:141
217442992218,3cyclictest445471-21kworker/u8:1+flush-259:023:25:250
217442992218,3cyclictest233125-21apt-get19:25:110
217442992217,4cyclictest376942-21ntpq21:40:200
21744299220,21cyclictest258665-21munin-run19:50:010
217452992118,2cyclictest197099-21kworker/u8:3+flush-259:019:55:243
217447992117,3cyclictest445471-21kworker/u8:1+flush-259:023:30:002
217447992117,3cyclictest197099-21kworker/u8:3+events_unbound19:35:152
217447992116,4cyclictest383205-21kworker/u8:0+events_unbound22:20:152
217447992116,4cyclictest252-21systemd-journal20:00:082
217447992115,4cyclictest424349-21base6422:30:012
217447992115,4cyclictest366684-21ntpq21:30:212
217444992116,4cyclictest513526-21latency_hist23:55:001
217444992115,4cyclictest498083-21latency_hist23:40:001
217452992017,2cyclictest305782-21sh20:35:003
217452992016,3cyclictest285007-21kworker/u8:4+flush-259:020:25:163
217452992016,3cyclictest0-21swapper/322:50:003
217447992015,4cyclictest197099-21kworker/u8:3+events_unbound20:30:152
217447992014,4cyclictest461714-21gpgv23:05:002
21744799201,12cyclictest377843-21munin-run21:45:002
217444992017,2cyclictest326645-21apt-get20:55:111
217444992014,4cyclictest503216-21latency_hist23:45:001
217444992014,4cyclictest418155-21ntpq22:20:211
217444992014,4cyclictest259167-21cp19:50:011
217444992014,4cyclictest252-21systemd-journal23:46:451
217444992013,5cyclictest252-21systemd-journal19:16:081
21744299200,4cyclictest248298-21basename19:40:010
217452991916,2cyclictest429781-21munin-plugin-st22:34:593
21744799194,5cyclictest362404-21munin-run21:30:002
217447991914,3cyclictest259271-21kworker/u8:1+events_unbound20:05:252
217447991914,3cyclictest232877-21kworker/u8:0+flush-259:019:40:132
217447991911,6cyclictest413057-21ntpq22:15:222
217447991911,5cyclictest524243-21latency_hist00:05:012
217444991915,3cyclictest383205-21kworker/u8:0+flush-259:021:50:121
217444991914,3cyclictest252-21systemd-journal23:19:561
217442991916,2cyclictest456195-21kworker/u8:4+flush-259:023:00:160
217442991915,3cyclictest445359-21gpgv22:50:000
217442991913,4cyclictest393274-21latency_hist22:00:010
217442991912,5cyclictest356343-21ntpq21:20:220
21744299190,18cyclictest1-21systemd20:46:070
217452991816,1cyclictest259271-21kworker/u8:1+events_unbound20:05:013
217452991814,3cyclictest383205-21kworker/u8:0+flush-259:022:50:173
217452991813,4cyclictest346961-21latency_hist21:15:013
217452991812,4cyclictest252-21systemd-journal19:55:013
217447991813,4cyclictest513546-21gpgv23:55:002
217447991812,4cyclictest331567-21kworker/u8:1+flush-259:021:35:182
217447991812,4cyclictest285007-21kworker/u8:4+events_unbound20:15:162
21744799181,15cyclictest1-21systemd23:46:462
21744499189,8cyclictest0-21swapper/119:35:011
217444991813,4cyclictest252-21systemd-journal20:53:071
217444991812,4cyclictest252-21systemd-journal00:25:021
217442991813,4cyclictest304894-21ntpq20:30:210
217447991713,3cyclictest413922-21kworker/u8:2+events_unbound22:55:242
217447991713,3cyclictest357261-21kworker/u8:3+events_unbound22:40:232
217447991712,3cyclictest357261-21kworker/u8:3+flush-259:023:20:152
217447991712,3cyclictest1253902-21kworker/u8:2+flush-259:019:45:172
217444991712,3cyclictest290187-21apt-get20:20:121
217442991714,2cyclictest60350irq/132-enp0s29f1:rx-022:25:150
217442991714,2cyclictest60350irq/132-enp0s29f1:rx-020:02:540
217442991711,4cyclictest252-21systemd-journal00:15:000
217452991612,3cyclictest258622-21latency_hist19:50:003
217452991612,2cyclictest383216-21/usr/sbin/munin21:50:133
21744799169,5cyclictest503452-21kworker/u8:0+flush-259:000:05:122
217447991613,2cyclictest529613-21kworker/u8:1+flush-259:000:20:212
217447991612,3cyclictest357261-21kworker/u8:3+flush-259:023:30:132
21744799160,7cyclictest393280-21munin-run22:00:002
217444991610,4cyclictest555219-21latency_hist00:35:011
21744299169,5cyclictest477459-21latency_hist23:20:000
217442991613,2cyclictest60350irq/132-enp0s29f1:rx-020:11:120
217442991613,2cyclictest60350irq/132-enp0s29f1:rx-019:41:480
217442991613,2cyclictest60350irq/132-enp0s29f1:rx-000:25:140
217442991610,4cyclictest502353-21ntpq23:40:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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