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2026-02-14 - 14:52
[ 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 #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 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
217452991512,2cyclictest540364-21irqcore00:20:173
217452991512,2cyclictest524250-21turbostat00:05:013
217452991511,3cyclictest509-21rs:main3
217452991511,3cyclictest383205-21kworker/u8:0+events_unbound22:10:003
217452991511,3cyclictest331567-21kworker/u8:1+flush-259:021:35:263
217447991511,3cyclictest539427-21kworker/u8:2+flush-259:000:25:092
217447991511,3cyclictest0-21swapper/222:10:002
217447991510,4cyclictest232877-21kworker/u8:0+flush-259:019:30:162
217447991510,3cyclictest357261-21kworker/u8:3+flush-259:023:00:122
217447991510,3cyclictest1253902-21kworker/u8:2+events_unbound19:20:222
217444991512,2cyclictest197099-21kworker/u8:3+flush-259:020:10:121
217444991511,3cyclictest393542-21apt-get22:00:121
217444991511,3cyclictest357261-21kworker/u8:3+flush-259:021:30:161
217444991511,3cyclictest269311-21kworker/u8:0+flush-259:020:00:131
217442991513,1cyclictest60350irq/132-enp0s29f1:rx-023:55:270
217442991513,1cyclictest60350irq/132-enp0s29f1:rx-022:33:320
217442991513,1cyclictest60350irq/132-enp0s29f1:rx-019:58:300
217442991513,1cyclictest60350irq/132-enp0s29f1:rx-019:53:040
217442991513,1cyclictest60350irq/132-enp0s29f1:rx-000:15:240
217442991513,1cyclictest60350irq/132-enp0s29f1:rx-000:05:240
217442991512,2cyclictest60350irq/132-enp0s29f1:rx-022:35:220
217442991512,2cyclictest60350irq/132-enp0s29f1:rx-022:10:120
217442991512,2cyclictest60350irq/132-enp0s29f1:rx-021:30:140
217442991512,2cyclictest60350irq/132-enp0s29f1:rx-000:30:110
217442991512,2cyclictest513837-21base6423:55:000
217442991512,2cyclictest336651-21sh21:05:000
217442991512,2cyclictest218072-21irqcore19:10:150
217442991511,3cyclictest346982-21kworker/u8:2+flush-259:021:25:110
217442991511,3cyclictest197099-21kworker/u8:3+flush-259:020:35:150
217442991510,4cyclictest398725-21apt-get22:05:110
217452991412,1cyclictest0-21swapper/321:15:003
21744799149,3cyclictest413922-21kworker/u8:2+flush-259:022:30:132
21744799148,1cyclictest0-21swapper/221:15:002
21744799148,1cyclictest0-21swapper/221:15:002
21744799141,3cyclictest472328-21munin-run23:15:002
217447991412,2cyclictest539427-21kworker/u8:2+events_unbound00:35:152
217447991411,2cyclictest477474-21idleruntime-cro23:20:002
217447991411,2cyclictest0-21swapper/223:40:002
217447991410,2cyclictest383205-21kworker/u8:0+flush-259:022:05:002
217447991410,2cyclictest0-21swapper/220:45:182
217447991410,2cyclictest0-21swapper/200:00:002
21744499148,4cyclictest252-21systemd-journal22:36:071
21744299141,2cyclictest4494861kthreadcore22:50:190
217442991412,2cyclictest60350irq/132-enp0s29f1:rx-000:20:250
217442991412,1cyclictest60350irq/132-enp0s29f1:rx-023:35:150
217442991412,1cyclictest60350irq/132-enp0s29f1:rx-023:30:010
217442991412,1cyclictest60350irq/132-enp0s29f1:rx-022:55:140
217442991412,1cyclictest60350irq/132-enp0s29f1:rx-022:00:200
217442991411,2cyclictest60350irq/132-enp0s29f1:rx-019:15:230
217442991411,2cyclictest60350irq/132-enp0s29f1:rx-000:00:120
217442991411,2cyclictest413905-21turbostat22:20:000
217442991410,3cyclictest60350irq/132-enp0s29f1:rx-021:45:210
217452991310,2cyclictest492011-21ntp_kernel_pll_23:30:203
217452991310,2cyclictest382511-21unixbench_multi21:45:243
217452991310,2cyclictest373099-21cpuspeed_turbos21:40:133
217452991310,2cyclictest347299-21cpuspeed_turbos21:15:133
217452991310,2cyclictest2971-21cron19:40:013
217452991310,2cyclictest232877-21kworker/u8:0+flush-259:019:25:263
217452991310,2cyclictest222894-21cpuspeed_turbos19:15:123
21744799139,3cyclictest300140-21kworker/u8:1+events_unbound20:40:202
21744799138,3cyclictest534762-21/usr/sbin/munin00:15:192
21744799137,3cyclictest326378-21latency_hist20:55:012
217447991310,2cyclictest300334-21gpgv20:30:002
21744499139,3cyclictest449800-21needreboot22:50:191
21744499137,4cyclictest252-21systemd-journal00:05:001
217444991311,1cyclictest0-21swapper/123:00:001
217444991310,2cyclictest61250irq/135-enp0s29f1:tx-122:15:121
217444991310,2cyclictest507-21in:imuxsock21:15:001
217444991310,2cyclictest507-21in:imuxsock21:15:001
217444991310,2cyclictest382964-21idleruntime-cro21:50:001
217444991310,2cyclictest217435-21cyclictest21:20:191
21744299139,3cyclictest341351-21unixbench_singl21:05:250
217442991312,1cyclictest61150irq/133-enp0s29f1:tx-023:20:150
217442991311,2cyclictest60350irq/132-enp0s29f1:rx-021:37:050
217442991311,1cyclictest60350irq/132-enp0s29f1:rx-023:05:140
217442991311,1cyclictest60350irq/132-enp0s29f1:rx-019:30:160
217442991310,2cyclictest0-21swapper/000:40:010
21745299129,2cyclictest550386-21cpuspeed_turbos00:30:123
21745299129,2cyclictest418579-21unixbench_singl22:20:263
21745299129,2cyclictest367558-21sh21:34:593
21745299129,1cyclictest0-21swapper/322:15:003
21745299127,3cyclictest472044-21sshd23:11:473
21745299127,3cyclictest461147-21apt-get23:05:003
217452991210,1cyclictest0-21swapper/323:40:003
21744799129,2cyclictest332044-21fschecks_time21:00:152
21744799128,3cyclictest383205-21kworker/u8:0+flush-259:022:50:152
21744799126,4cyclictest285007-21kworker/u8:4+flush-259:020:20:132
21744499129,2cyclictest456195-21kworker/u8:4+flush-259:023:10:261
21744499129,2cyclictest377861-21kworker/u8:2+events_unbound21:55:151
21744499129,2cyclictest197099-21kworker/u8:3+flush-259:019:35:151
217444991210,1cyclictest0-21swapper/123:10:001
21744499120,4cyclictest440094-21basename22:45:001
217442991210,1cyclictest60350irq/132-enp0s29f1:rx-023:45:190
217442991210,1cyclictest60350irq/132-enp0s29f1:rx-021:50:150
217442991210,1cyclictest60350irq/132-enp0s29f1:rx-019:20:140
21745299118,2cyclictest534863-21cpuspeed_turbos00:15:133
21745299118,2cyclictest514278-21cpuspeed_turbos23:55:153
21745299118,2cyclictest502739-21unixbench_multi23:40:233
21745299115,4cyclictest560023-21sshd00:36:203
21744799114,5cyclictest252-21systemd-journal19:29:072
21744799111,2cyclictest309072-21kthreadcore20:35:182
21744499118,2cyclictest544415-21unixbench_singl00:20:261
21744499118,2cyclictest373129-21cpuspeed_turbos21:40:131
21744499118,2cyclictest337095-21fschecks_count21:05:151
21744499118,2cyclictest232418-21unixbench_singl19:20:261
21744499115,4cyclictest289908-21latency_hist20:20:001
21744499114,5cyclictest252-21systemd-journal19:50:011
21744499110,4cyclictest4413042cut22:45:161
21744299110,3cyclictest314264-21kthreadcore20:40:170
21745299107,2cyclictest497-21gpm23:48:403
21745299107,2cyclictest439224-21ntp_kernel_pll_22:40:213
21745299107,2cyclictest306306-21fschecks_time20:35:143
21744799101,6cyclictest550419-21cpuspeed_turbos00:30:122
21744499107,2cyclictest528895-21unixbench_multi00:05:251
21744499106,3cyclictest424201-21latency_hist22:30:011
2174529997,1cyclictest0-21swapper/321:55:123
2174529996,2cyclictest0-21swapper/322:00:233
2174529994,4cyclictest525149-21cut00:05:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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