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2026-02-21 - 08:00
[ 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 792 highest latencies:
System rackeslot4s.osadl.org (updated Sat Feb 21, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1671785995449,4cyclictest1974164-21gpgv00:00:000
1671785994744,2cyclictest1838803-21kworker/u8:2+flush-259:023:50:230
1671785994136,4cyclictest2011650-21apt-get00:35:120
1671785993936,2cyclictest1884619-21kworker/u8:3+events_unbound23:10:210
1671785993632,3cyclictest1771217-21kworker/u8:1+flush-259:021:00:000
1671785993630,4cyclictest1859362-21latency_hist22:10:000
1671785993529,4cyclictest1688715-21apt-get19:25:110
1671791993431,2cyclictest1797434-21kworker/u8:4+events_unbound21:35:202
1671785993327,4cyclictest1694049-21diskstats19:30:130
1671791993229,2cyclictest1755584-21kworker/u8:0+flush-259:020:40:242
1671791993228,3cyclictest1838803-21kworker/u8:2+flush-259:023:40:152
1671791993226,4cyclictest1796775-21latency_hist21:10:012
1671788993227,3cyclictest1974702-21kworker/u8:0+events_unbound00:05:161
1671785993229,2cyclictest1797434-21kworker/u8:4+flush-259:021:50:200
1671785993128,2cyclictest1797434-21kworker/u8:4+events_unbound21:40:250
1671785993128,2cyclictest1628918-21kworker/u8:3+flush-259:019:40:210
1671785993127,3cyclictest1938142-21kworker/u8:3+flush-259:023:30:240
1671795993024,4cyclictest1910892-21ntpq22:55:223
1671785993027,2cyclictest1755774-21kworker/u8:1+events_unbound20:30:190
1671795992825,2cyclictest1628918-21kworker/u8:3+events_unbound19:20:233
1671791992823,3cyclictest1974702-21kworker/u8:0+flush-259:000:05:182
1671788992824,3cyclictest1864658-21gpgv22:15:011
1671788992823,3cyclictest1974710-21/usr/sbin/munin00:00:201
1671785992825,2cyclictest1771217-21kworker/u8:1+events_unbound21:05:180
1671785992825,2cyclictest1755584-21kworker/u8:0+flush-259:020:45:210
1671785992824,3cyclictest1817378-21kworker/u8:0+events_unbound21:30:180
1671785992824,3cyclictest1719383-21kworker/u8:5+flush-259:020:15:230
1671791992724,2cyclictest1927392-21kworker/u8:1+flush-259:000:15:202
1671791992724,2cyclictest1838803-21kworker/u8:2+flush-259:023:05:012
1671791992721,4cyclictest1968860-21latency_hist23:55:012
1671791992720,5cyclictest1837893-21ntpq21:45:202
1671785992725,2cyclictest1896028-21kworker/u8:4+flush-259:023:00:240
1671785992723,3cyclictest1938142-21kworker/u8:3+flush-259:000:30:000
1671795992622,3cyclictest1676854-21apt-get19:15:003
1671791992623,2cyclictest1719383-21kworker/u8:5+events_unbound20:25:172
1671791992621,4cyclictest252-21systemd-journal23:10:172
1671785992624,2cyclictest1896028-21kworker/u8:4+events_unbound22:45:240
1671785992621,3cyclictest1995942-21diskstats00:20:140
1671791992522,2cyclictest1927392-21kworker/u8:1+flush-259:023:40:012
1671791992522,2cyclictest1884619-21kworker/u8:3+events_unbound22:50:182
1671788992522,2cyclictest1714223-21kworker/u8:2+flush-259:019:55:001
1671788992521,3cyclictest1672000-21apt-get19:10:091
1671788992519,5cyclictest1766080-21/usr/sbin/munin20:40:181
1671785992522,2cyclictest1729710-21kworker/u8:2+flush-259:020:40:150
1671785992522,2cyclictest1651420-21kworker/u8:2+events_unbound19:20:150
1671795992421,2cyclictest1990395-21gpgv00:14:593
1671795992419,4cyclictest1759823-21ntpq20:30:203
1671791992421,2cyclictest1927392-21kworker/u8:1+flush-259:023:25:222
1671791992421,2cyclictest1838803-21kworker/u8:2+flush-259:022:35:242
1671791992421,2cyclictest1613410-21kworker/u8:0+flush-259:019:15:222
1671791992420,3cyclictest1838803-21kworker/u8:2+events_unbound22:10:122
1671791992420,3cyclictest1817378-21kworker/u8:0+events_unbound21:30:132
1671791992418,4cyclictest252-21systemd-journal21:44:172
1671788992419,3cyclictest252-21systemd-journal20:15:001
1671795992319,3cyclictest1953612-21apt-get23:40:113
1671791992320,2cyclictest1859587-21kworker/u8:3+flush-259:022:20:202
1671791992319,3cyclictest1613410-21kworker/u8:0+events_unbound19:10:212
1671788992319,3cyclictest1838803-21kworker/u8:2+flush-259:022:35:101
1671788992319,3cyclictest1765866-21kworker/u8:3+events_unbound21:10:171
1671785992320,2cyclictest1838803-21kworker/u8:2+flush-259:023:45:240
1671785992320,2cyclictest1832705-21kworker/u8:1+flush-259:021:55:140
1671785992320,2cyclictest1719383-21kworker/u8:5+flush-259:020:25:190
1671785992319,3cyclictest1859586-21kworker/u8:1+flush-259:022:15:210
1671795992218,3cyclictest1719383-21kworker/u8:5+events_unbound20:15:183
1671795992216,5cyclictest2010118-21ntpq00:30:223
1671791992219,2cyclictest1791654-21kworker/u8:2+flush-259:021:15:152
1671791992219,2cyclictest1755584-21kworker/u8:0+flush-259:020:30:192
1671791992219,2cyclictest1755584-21kworker/u8:0+events_unbound21:00:152
1671788992218,3cyclictest1948450-21apt-get23:35:111
1671788992216,4cyclictest1760725-21latency_hist20:35:001
1671785992219,2cyclictest1927392-21kworker/u8:1+flush-259:000:00:220
1671785992219,2cyclictest1765866-21kworker/u8:3+flush-259:021:15:210
1671785992217,4cyclictest1739145-21ntpq20:10:190
1671795992118,2cyclictest1838803-21kworker/u8:2+flush-259:023:35:013
1671791992118,2cyclictest1838803-21kworker/u8:2+flush-259:023:25:012
1671791992118,2cyclictest1765866-21kworker/u8:3+flush-259:020:45:152
1671791992117,3cyclictest1927392-21kworker/u8:1+flush-259:023:15:162
1671785992118,2cyclictest1765866-21kworker/u8:3+events_unbound21:10:200
1671785992117,3cyclictest252-21systemd-journal21:45:020
1671785992117,3cyclictest1927392-21kworker/u8:1+flush-259:000:15:230
1671785992116,3cyclictest252-21systemd-journal00:08:180
1671785992115,5cyclictest1942177-21ntpq23:25:190
1671795992017,2cyclictest1828320-21apt-get21:40:123
1671795992017,2cyclictest1817766-21sh21:30:013
1671795992016,3cyclictest1729710-21kworker/u8:2+events_unbound20:10:173
1671791992017,2cyclictest1613410-21kworker/u8:0+flush-259:019:30:182
1671791992016,3cyclictest1628918-21kworker/u8:3+events_unbound19:25:002
1671791992015,3cyclictest252-21systemd-journal21:21:172
1671788992016,3cyclictest1613410-21kworker/u8:0+events_unbound19:25:181
1671785992017,2cyclictest1938142-21kworker/u8:3+flush-259:023:35:180
1671785992017,2cyclictest1755584-21kworker/u8:0+flush-259:021:00:210
1671785992017,2cyclictest1719383-21kworker/u8:5+events_unbound20:20:150
1671785992016,3cyclictest1927392-21kworker/u8:1+events_unbound00:10:200
1671785992016,3cyclictest1628918-21kworker/u8:3+events_unbound19:50:260
1671795991916,2cyclictest1838775-21sh21:49:593
1671795991915,3cyclictest1849090-21cron21:59:593
1671795991915,2cyclictest1963935-21apt-get23:50:113
1671791991916,2cyclictest1838803-21kworker/u8:2+events_unbound23:55:222
1671791991916,2cyclictest1628918-21kworker/u8:3+events_unbound20:00:122
1671788991916,2cyclictest1974702-21kworker/u8:0+flush-259:000:20:191
1671785991917,2cyclictest1771217-21kworker/u8:1+events_unbound20:51:070
1671785991916,2cyclictest1927392-21kworker/u8:1+events_unbound23:42:190
1671785991916,2cyclictest1875474-21kworker/u8:1+flush-259:022:35:180
1671785991916,2cyclictest1628918-21kworker/u8:3+flush-259:019:10:120
1671785991915,3cyclictest509-21rs:main0
1671795991815,2cyclictest1884619-21kworker/u8:3+events_unbound22:45:173
1671795991815,2cyclictest1628918-21kworker/u8:3+flush-259:020:00:163
1671795991815,2cyclictest1613410-21kworker/u8:0+flush-259:019:15:193
1671795991814,3cyclictest1859586-21kworker/u8:1+flush-259:022:15:173
1671795991812,4cyclictest1969279-21diskstats23:55:133
1671791991814,3cyclictest1927392-21kworker/u8:1+events_unbound00:10:182
1671791991813,4cyclictest1906145-21apt-get22:55:012
1671788991816,2cyclictest1849120-21kworker/u8:0+flush-259:022:00:251
1671788991815,2cyclictest1963682-21turbostat.cron23:50:011
1671788991815,2cyclictest1755584-21kworker/u8:0+flush-259:020:55:181
1671788991815,2cyclictest1613410-21kworker/u8:0+flush-259:019:30:161
1671785991814,3cyclictest1765866-21kworker/u8:3+events_unbound21:20:160
1671795991714,2cyclictest1843069-21ntp_kernel_pll_21:50:213
1671795991713,3cyclictest1750388-21latency_hist20:25:003
1671791991714,2cyclictest1765866-21kworker/u8:3+flush-259:020:50:162
1671791991714,2cyclictest1765866-21kworker/u8:3+events_unbound21:25:192
1671791991713,3cyclictest1797434-21kworker/u8:4+flush-259:021:10:102
1671791991713,3cyclictest1719383-21kworker/u8:5+events_unbound20:16:022
1671791991713,3cyclictest1719383-21kworker/u8:5+events_unbound20:05:592
1671791991713,3cyclictest1628918-21kworker/u8:3+flush-259:020:20:202
1671791991713,3cyclictest1628918-21kworker/u8:3+events_unbound19:55:122
1671788991714,2cyclictest1884619-21kworker/u8:3+flush-259:023:10:241
1671788991714,2cyclictest1884619-21kworker/u8:3+flush-259:022:50:171
1671788991714,2cyclictest1796989-21store21:10:011
1671788991714,2cyclictest1765866-21kworker/u8:3+flush-259:021:25:231
1671788991714,2cyclictest1628918-21kworker/u8:3+flush-259:020:10:221
1671788991714,2cyclictest1628918-21kworker/u8:3+events_unbound19:55:211
1671788991713,3cyclictest507-21in:imuxsock21:35:181
1671788991713,3cyclictest252-21systemd-journal19:15:031
1671788991713,3cyclictest1859587-21kworker/u8:3+flush-259:022:20:211
1671785991715,1cyclictest1870767-21irqcore22:20:150
1671785991714,2cyclictest61150irq/133-enp0s29f1:tx-020:05:240
1671785991714,2cyclictest1927392-21kworker/u8:1+events_unbound23:15:140
1671785991714,2cyclictest1817378-21kworker/u8:0+flush-259:021:30:000
1671785991713,3cyclictest507-21in:imuxsock19:20:000
1671795991613,2cyclictest1927392-21kworker/u8:1+events_unbound23:15:173
1671795991613,2cyclictest1613410-21kworker/u8:0+flush-259:019:55:223
1671795991613,2cyclictest1613410-21kworker/u8:0+flush-259:019:30:233
167179599161,13cyclictest1796825-21munin-run21:10:003
1671791991614,2cyclictest1797434-21kworker/u8:4+flush-259:021:50:192
1671791991613,2cyclictest2001908-21kworker/u8:2+events_unbound00:30:272
1671791991613,2cyclictest1849120-21kworker/u8:0+events_unbound22:00:162
1671791991613,2cyclictest1832705-21kworker/u8:1+events_unbound21:55:212
1671791991613,2cyclictest1628918-21kworker/u8:3+flush-259:019:35:202
1671791991612,3cyclictest1875474-21kworker/u8:1+events_unbound22:25:182
1671791991612,3cyclictest1838803-21kworker/u8:2+events_unbound23:30:152
1671788991614,1cyclictest1771217-21kworker/u8:1+events_unbound20:45:141
1671788991614,1cyclictest0-21swapper/119:39:591
1671788991613,3cyclictest1927392-21kworker/u8:1+events_unbound23:20:181
1671788991613,2cyclictest1865446-21fschecks_time22:15:121
1671788991613,1cyclictest0-21swapper/123:05:011
1671788991612,3cyclictest1838803-21kworker/u8:2+flush-259:023:55:181
1671788991612,3cyclictest1719383-21kworker/u8:5+flush-259:020:25:221
1671785991613,2cyclictest1628918-21kworker/u8:3+flush-259:019:45:200
1671785991612,3cyclictest60350irq/132-enp0s29f1:rx-019:35:110
1671785991612,3cyclictest1875474-21kworker/u8:1+flush-259:022:30:210
1671785991612,3cyclictest1875474-21kworker/u8:1+flush-259:022:30:200
1671795991513,1cyclictest0-21swapper/300:30:003
1671795991512,2cyclictest1938142-21kworker/u8:3+flush-259:000:00:013
1671795991512,2cyclictest1780456-21ntp_kernel_pll_20:50:193
1671795991512,2cyclictest0-21swapper/323:40:013
1671795991511,3cyclictest1849120-21kworker/u8:0+events_unbound22:00:223
1671795991511,3cyclictest1786713-21/usr/sbin/munin21:00:203
167179599150,13cyclictest1-21systemd20:10:003
167179199159,4cyclictest1901021-21true22:49:592
1671791991513,2cyclictest1797434-21kworker/u8:4+events_unbound22:05:182
1671791991512,2cyclictest2001908-21kworker/u8:2+events_unbound00:25:252
1671791991512,2cyclictest1927392-21kworker/u8:1+events_unbound00:00:212
1671791991512,2cyclictest1890380-21kworker/u8:0+events_unbound22:40:252
1671791991512,2cyclictest1613410-21kworker/u8:0+events_unbound19:40:552
1671791991511,3cyclictest1916943-21kworker/u8:0+events_unbound23:09:572
1671791991511,3cyclictest1838803-21kworker/u8:2+flush-259:023:45:112
1671791991511,3cyclictest1613410-21kworker/u8:0+events_unbound19:28:172
1671788991512,2cyclictest503-21tpm2-abrmd21:50:001
1671788991512,2cyclictest1994618-21ntp_kernel_pll_00:15:201
1671788991512,2cyclictest1822503-21unixbench_singl21:30:251
1671788991512,2cyclictest1765866-21kworker/u8:3+events_unbound21:20:131
1671788991512,2cyclictest1693649-21kworker/u8:1+flush-259:019:45:011
1671788991511,3cyclictest1938142-21kworker/u8:3+flush-259:023:25:161
1671788991511,3cyclictest1927392-21kworker/u8:1+flush-259:023:20:011
1671785991513,1cyclictest60350irq/132-enp0s29f1:rx-023:20:140
1671785991513,1cyclictest60350irq/132-enp0s29f1:rx-019:55:520
1671785991512,2cyclictest61150irq/133-enp0s29f1:tx-022:15:000
1671785991511,3cyclictest1896028-21kworker/u8:4+events_unbound22:55:170
1671785991511,3cyclictest1875474-21kworker/u8:1+events_unbound22:28:090
1671785991511,3cyclictest1755584-21kworker/u8:0+events_unbound20:35:220
1671795991411,2cyclictest1974702-21kworker/u8:0+flush-259:000:05:153
1671795991411,2cyclictest1937900-21idleruntime-cro23:25:013
1671795991411,2cyclictest1916912-21gpgv23:05:003
1671795991410,3cyclictest1938142-21kworker/u8:3+flush-259:000:20:253
1671795991410,3cyclictest1838803-21kworker/u8:2+flush-259:022:25:003
1671791991412,2cyclictest1859586-21kworker/u8:1+flush-259:022:15:132
1671791991411,2cyclictest1729710-21kworker/u8:2+events_unbound20:36:052
1671791991411,2cyclictest1628918-21kworker/u8:3+flush-259:020:14:332
1671791991410,3cyclictest1974702-21kworker/u8:0+events_unbound00:24:182
1671791991410,3cyclictest1765866-21kworker/u8:3+events_unbound20:59:582
167178899149,4cyclictest252-21systemd-journal21:56:141
1671788991412,1cyclictest0-21swapper/100:35:001
1671788991411,2cyclictest1833186-21sh21:44:591
1671788991410,3cyclictest1884619-21kworker/u8:3+flush-259:023:10:011
1671788991410,3cyclictest1765866-21kworker/u8:3+flush-259:021:15:221
1671785991412,1cyclictest60350irq/132-enp0s29f1:rx-022:50:120
167179599139,3cyclictest1890380-21kworker/u8:0+events_unbound22:40:133
1671795991311,1cyclictest1811639-21tail21:20:193
1671795991311,1cyclictest1719365-21sh19:54:593
1671795991310,2cyclictest1927392-21kworker/u8:1+flush-259:000:35:173
1671795991310,2cyclictest1767118-21kthreadcore20:40:173
1671791991310,2cyclictest1838803-21kworker/u8:2+events_unbound22:30:242
1671791991310,2cyclictest1838803-21kworker/u8:2+events_unbound22:30:232
1671791991310,2cyclictest0-21swapper/219:54:592
167178899139,3cyclictest509-21rs:main1
167178899139,3cyclictest1927392-21kworker/u8:1+flush-259:000:36:171
167178899139,3cyclictest1729710-21kworker/u8:2+flush-259:020:05:191
1671788991310,3cyclictest1628918-21kworker/u8:3+flush-259:019:45:231
1671788991310,2cyclictest1943446-21cpuspeed_turbos23:30:131
167178599139,3cyclictest171ktimers/021:35:110
167178599131,11cyclictest1729714-21unin-run20:05:000
1671785991310,2cyclictest60350irq/132-enp0s29f1:rx-022:00:180
1671785991310,2cyclictest60350irq/132-enp0s29f1:rx-000:30:240
167179599129,2cyclictest1864933-21latency_hist22:15:003
167179599129,2cyclictest1802717-21cpuspeed_turbos21:15:123
167179599129,2cyclictest1750768-21cpuspeed_turbos20:25:143
167179599128,3cyclictest252-21systemd-journal23:30:013
167179599128,3cyclictest1906169-21gpgv22:55:013
167179599128,3cyclictest1613410-21kworker/u8:0+flush-259:019:46:273
167179599121,10cyclictest252-21systemd-journal22:40:003
167178899129,3cyclictest1927392-21kworker/u8:1+flush-259:023:40:231
167178899127,3cyclictest1900995-21awk22:50:001
167178599128,3cyclictest1838803-21kworker/u8:2+events_unbound23:05:030
167179599119,1cyclictest1797434-21kworker/u8:4+events_unbound21:35:243
167179599119,1cyclictest0-21swapper/319:25:113
167178899119,1cyclictest0-21swapper/121:05:001
167178899119,1cyclictest0-21swapper/100:30:001
167178899118,2cyclictest1896028-21kworker/u8:4+events_unbound22:55:131
167178899106,3cyclictest1749098-21tr20:20:191
167178899105,3cyclictest1761274-21cat20:35:131
16717889995,3cyclictest1776625-21fschecks_time20:50:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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