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2026-02-04 - 10:33
[ 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 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 Wed Feb 04, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1570605995653,2cyclictest1586046-21kworker/u8:0+events_unbound19:25:133
1570605995350,2cyclictest75-21kswapd022:19:233
1570605995047,2cyclictest1541670-21kworker/u8:4+events_unbound20:00:233
1570605994946,2cyclictest1541670-21kworker/u8:4+flush-259:020:15:223
1570600994643,2cyclictest75-21kswapd022:19:231
1570605994542,2cyclictest1659348-21kworker/u8:1+events_unbound21:35:153
1570605994542,2cyclictest1586046-21kworker/u8:0+events_unbound20:20:243
1570596994540,4cyclictest1742074-21apt-get21:55:110
1570605994340,2cyclictest1541670-21kworker/u8:4+events_unbound19:50:203
1570605994237,3cyclictest1659348-21kworker/u8:1+events_unbound21:45:173
1570605994138,2cyclictest1762449-21kworker/u8:4+events_unbound22:35:243
1570605994138,2cyclictest1541670-21kworker/u8:4+events_unbound20:25:293
1570604994137,3cyclictest1659348-21kworker/u8:1+flush-259:020:35:162
1570605994037,2cyclictest1690247-21kworker/u8:2+flush-259:021:15:203
1570605994036,3cyclictest1541670-21kworker/u8:4+events_unbound19:30:133
1570596994035,3cyclictest1902956-21latency_hist00:30:010
1570605993936,2cyclictest1741835-21kworker/u8:2+flush-259:021:55:203
1570605993936,2cyclictest1586046-21kworker/u8:0+events_unbound19:35:253
1570605993935,3cyclictest1756671-21kworker/u8:0+events_unbound22:20:253
1570605993935,2cyclictest1659348-21kworker/u8:1+events_unbound21:30:203
1570605993934,3cyclictest1897837-21kworker/u8:2+events_unbound00:25:223
1570605993835,2cyclictest1773270-21kworker/u8:2+events_unbound22:30:233
1570605993835,2cyclictest1586046-21kworker/u8:0+flush-259:020:10:263
1570605993834,3cyclictest1541670-21kworker/u8:4+flush-259:019:15:223
1570604993733,3cyclictest1537865-21kworker/u8:1+events_unbound19:10:202
1570605993633,2cyclictest1586046-21kworker/u8:0+events_unbound19:45:223
1570605993631,3cyclictest1840428-21kworker/u8:0+flush-259:023:50:203
1570605993631,3cyclictest1741835-21kworker/u8:2+events_unbound22:05:193
1570605993630,2cyclictest1789463-21kworker/u8:1+events_unbound22:40:213
1570605993532,2cyclictest1756671-21kworker/u8:0+events_unbound23:10:223
1570605993531,3cyclictest1789463-21kworker/u8:1+events_unbound22:45:243
1570600993530,3cyclictest1773461-21/usr/sbin/munin22:25:141
1570596993531,3cyclictest1541670-21kworker/u8:4+events_unbound20:05:240
1570605993431,2cyclictest1541670-21kworker/u8:4+events_unbound19:20:243
1570605993430,3cyclictest1726511-21kworker/u8:3+flush-259:021:50:223
1570596993431,2cyclictest1586046-21kworker/u8:0+events_unbound20:15:150
1570605993330,2cyclictest1726511-21kworker/u8:3+events_unbound21:40:163
1570605993327,2cyclictest1840428-21kworker/u8:0+events_unbound23:40:143
1570604993328,4cyclictest1756671-21kworker/u8:0+events_unbound22:19:222
1570596993327,5cyclictest1860274-21ntpq23:45:210
1570605993229,2cyclictest1541670-21kworker/u8:4+flush-259:019:10:303
1570604993229,2cyclictest1586046-21kworker/u8:0+events_unbound19:35:192
1570604993228,3cyclictest1659348-21kworker/u8:1+events_unbound21:20:142
1570604993226,4cyclictest1746984-21latency_hist22:00:002
1570600993228,3cyclictest1741835-21kworker/u8:2+events_unbound22:05:221
1570600993227,4cyclictest1633276-21gpgv20:10:011
1570605993128,2cyclictest1887102-21kworker/u8:3+flush-259:000:15:233
1570605993128,2cyclictest1659348-21kworker/u8:1+events_unbound20:55:273
1570604993127,3cyclictest252-21systemd-journal20:47:352
1570600993125,4cyclictest1695677-21apt-get21:10:121
1570605993027,2cyclictest1887102-21kworker/u8:3+events_unbound00:30:343
1570605993027,2cyclictest1809461-21kworker/u8:2+flush-259:023:25:193
1570605993027,2cyclictest1756671-21kworker/u8:0+flush-259:022:50:163
1570605993026,3cyclictest1756671-21kworker/u8:0+flush-259:022:10:333
1570600993023,5cyclictest252-21systemd-journal00:25:011
157059699300,28cyclictest1-21systemd20:47:340
1570605992926,2cyclictest1830123-21kworker/u8:3+events_unbound23:30:083
1570605992926,2cyclictest1659348-21kworker/u8:1+flush-259:020:40:203
1570605992925,3cyclictest1659348-21kworker/u8:1+flush-259:020:51:363
1570604992925,3cyclictest1541670-21kworker/u8:4+flush-259:019:25:212
1570600992921,5cyclictest1664516-21latency_hist20:40:001
1570605992825,2cyclictest1840428-21kworker/u8:0+flush-259:000:20:353
1570605992822,4cyclictest1861121-21latency_hist23:50:013
1570604992825,2cyclictest1756671-21kworker/u8:0+flush-259:022:25:222
1570604992825,2cyclictest1586046-21kworker/u8:0+flush-259:020:20:212
1570604992822,4cyclictest1638937-21/usr/sbin/munin20:15:232
1570600992822,4cyclictest1731704-21apt-get21:45:111
1570600992821,5cyclictest1622426-21latency_hist20:00:011
1570600992821,5cyclictest1601024-21ntpq19:35:241
1570600992821,4cyclictest1835287-21latency_hist23:25:011
1570596992825,2cyclictest1586572-21gpgv19:25:010
1570596992825,2cyclictest1541670-21kworker/u8:4+flush-259:019:50:160
1570605992724,2cyclictest1756671-21kworker/u8:0+flush-259:022:25:153
1570605992723,3cyclictest1690247-21kworker/u8:2+events_unbound21:10:353
1570604992724,2cyclictest1659348-21kworker/u8:1+flush-259:020:50:202
1570604992723,3cyclictest1649232-21kworker/u8:2+flush-259:020:30:162
1570604992722,4cyclictest1809686-21apt-get23:00:112
1570600992721,4cyclictest1866957-21apt-get23:55:121
1570596992723,3cyclictest1659348-21kworker/u8:1+events_unbound20:40:230
1570596992723,2cyclictest1882580-21apt-get00:10:100
1570605992623,2cyclictest1741835-21kworker/u8:2+events_unbound22:00:213
1570605992622,3cyclictest1659348-21kworker/u8:1+events_unbound20:36:073
1570605992622,3cyclictest1586046-21kworker/u8:0+events_unbound20:05:043
1570604992623,2cyclictest1897837-21kworker/u8:2+flush-259:000:30:162
1570604992623,2cyclictest1541670-21kworker/u8:4+flush-259:019:30:172
1570604992623,2cyclictest1541670-21kworker/u8:4+flush-259:019:20:182
1570604992622,3cyclictest1830123-21kworker/u8:3+flush-259:023:30:252
1570604992622,3cyclictest1789463-21kworker/u8:1+flush-259:022:56:352
1570604992621,4cyclictest252-21systemd-journal20:28:342
1570604992618,3cyclictest1586046-21kworker/u8:0+flush-259:020:10:012
1570600992620,4cyclictest252-21systemd-journal00:34:021
1570596992623,2cyclictest1741835-21kworker/u8:2+flush-259:022:05:150
1570596992623,2cyclictest1659348-21kworker/u8:1+flush-259:021:30:210
1570596992623,2cyclictest1586046-21kworker/u8:0+flush-259:019:55:210
1570604992522,2cyclictest1726511-21kworker/u8:3+flush-259:021:50:162
1570604992522,2cyclictest1659348-21kworker/u8:1+events_unbound21:30:222
1570604992522,2cyclictest1541670-21kworker/u8:4+flush-259:020:10:192
1570604992522,2cyclictest1541670-21kworker/u8:4+events_unbound19:55:022
1570600992521,3cyclictest1762417-21apt-get22:15:011
1570600992521,3cyclictest1705978-21apt-get21:20:111
1570600992521,3cyclictest1649232-21kworker/u8:2+flush-259:020:35:001
1570600992511,4cyclictest1768307-21/usr/sbin/munin22:20:141
1570596992522,2cyclictest1659348-21kworker/u8:1+events_unbound21:45:240
1570605992421,2cyclictest1789463-21kworker/u8:1+events_unbound23:15:233
1570604992422,2cyclictest1756671-21kworker/u8:0+events_unbound22:10:232
1570604992421,2cyclictest1809461-21kworker/u8:2+flush-259:023:15:002
1570600992420,3cyclictest1690247-21kworker/u8:2+flush-259:021:35:221
1570596992421,2cyclictest1541670-21kworker/u8:4+flush-259:019:30:150
1570604992319,3cyclictest1674876-21kworker/u8:0+events_unbound21:16:152
1570600992317,5cyclictest1804530-21/usr/sbin/munin22:55:151
1570596992320,2cyclictest1789463-21kworker/u8:1+flush-259:023:00:210
1570596992320,2cyclictest1586046-21kworker/u8:0+events_unbound20:12:350
1570596992319,3cyclictest509-21rs:main0
1570596992319,3cyclictest1866385-21gpgv23:55:010
1570596992319,3cyclictest1541670-21kworker/u8:4+events_unbound19:20:130
157059699230,21cyclictest1-21systemd20:28:350
1570605992219,2cyclictest1840428-21kworker/u8:0+events_unbound23:35:333
1570605992219,2cyclictest1789463-21kworker/u8:1+events_unbound22:55:233
1570604992218,3cyclictest1809461-21kworker/u8:2+events_unbound00:00:202
1570604992218,3cyclictest1541670-21kworker/u8:4+flush-259:020:00:162
1570600992216,4cyclictest1659348-21kworker/u8:1+flush-259:020:45:181
1570600992215,5cyclictest1668791-21ntpq20:40:211
1570600992210,4cyclictest1861354-21/usr/sbin/munin23:50:151
1570596992219,3cyclictest1674876-21kworker/u8:0+events_unbound21:03:350
1570596992219,2cyclictest1840428-21kworker/u8:0+events_unbound00:20:150
1570596992216,5cyclictest1793956-21latency_hist22:45:000
1570605992117,3cyclictest1809461-21kworker/u8:2+flush-259:023:55:273
1570605992115,4cyclictest1908378-21/usr/sbin/munin00:35:163
1570604992118,2cyclictest1541670-21kworker/u8:4+events_unbound19:15:122
1570604992117,3cyclictest507-21in:imuxsock00:40:012
1570604992117,3cyclictest1690247-21kworker/u8:2+events_unbound21:25:132
1570596992118,2cyclictest1586046-21kworker/u8:0+events_unbound20:03:360
1570596992117,3cyclictest1741835-21kworker/u8:2+events_unbound22:14:360
1570596992117,3cyclictest1690247-21kworker/u8:2+events_unbound21:25:170
1570596992117,3cyclictest1659348-21kworker/u8:1+flush-259:020:50:150
1570605992016,3cyclictest1756671-21kworker/u8:0+flush-259:023:05:163
1570604992016,3cyclictest1674876-21kworker/u8:0+events_unbound21:10:252
1570600992017,2cyclictest1887478-21sh00:15:001
1570600992016,3cyclictest1726511-21kworker/u8:3+flush-259:021:45:001
1570600992016,3cyclictest1616439-21ntpq19:50:221
1570600992015,4cyclictest1773270-21kworker/u8:2+flush-259:022:30:221
1570600992015,4cyclictest1716267-21apt-get21:30:121
1570600992013,5cyclictest1575722-21latency_hist19:15:011
1570600992012,5cyclictest1638696-21latency_hist20:15:001
1570596992017,2cyclictest1756671-21kworker/u8:0+flush-259:022:20:150
1570605991916,2cyclictest1840428-21kworker/u8:0+events_unbound00:05:123
1570605991915,3cyclictest1830337-21kworker/u8:4+events_unbound23:22:353
1570605991914,3cyclictest1710875-21sh21:25:013
1570604991916,2cyclictest1674876-21kworker/u8:0+flush-259:021:05:012
1570600991913,4cyclictest1690247-21kworker/u8:2+flush-259:021:15:161
1570600991913,4cyclictest1685346-21/usr/sbin/munin21:00:141
1570600991911,5cyclictest1882324-21latency_hist00:10:011
1570596991916,2cyclictest1840428-21kworker/u8:0+flush-259:023:40:190
1570596991916,2cyclictest1809461-21kworker/u8:2+flush-259:023:55:220
1570596991915,3cyclictest252-21systemd-journal19:14:340
1570596991915,3cyclictest1887102-21kworker/u8:3+flush-259:000:35:240
1570596991915,3cyclictest1789463-21kworker/u8:1+events_unbound23:05:140
1570596991915,3cyclictest1778687-21apt-get22:30:110
1570596991915,3cyclictest1659348-21kworker/u8:1+events_unbound21:53:350
1570596991915,3cyclictest1586046-21kworker/u8:0+events_unbound20:20:150
1570605991815,3cyclictest1541670-21kworker/u8:4+events_unbound19:40:353
1570605991813,3cyclictest1809461-21kworker/u8:2+events_unbound00:10:253
1570604991815,3cyclictest1726511-21kworker/u8:3+events_unbound21:40:132
1570600991815,2cyclictest1586036-21gpgv19:25:011
1570600991812,4cyclictest1659348-21kworker/u8:1+flush-259:020:50:171
1570596991816,2cyclictest1809461-21kworker/u8:2+flush-259:000:00:250
1570605991712,4cyclictest1809461-21kworker/u8:2+flush-259:000:00:173
1570604991714,2cyclictest1741835-21kworker/u8:2+flush-259:022:00:222
1570604991713,3cyclictest1809461-21kworker/u8:2+events_unbound23:06:332
1570604991713,3cyclictest1778753-21cpuspeed_turbos22:30:132
1570604991713,3cyclictest1756671-21kworker/u8:0+events_unbound22:51:302
1570600991711,4cyclictest509-21rs:main1
1570596991715,1cyclictest1674876-21kworker/u8:0+events_unbound21:05:210
1570596991715,1cyclictest1674876-21kworker/u8:0+events_unbound21:05:210
1570596991714,2cyclictest60350irq/132-enp0s29f1:rx-021:15:120
1570596991714,2cyclictest1897837-21kworker/u8:2+flush-259:000:30:220
1570596991713,3cyclictest1809461-21kworker/u8:2+events_unbound23:20:170
1570596991713,3cyclictest1789463-21kworker/u8:1+flush-259:022:50:240
1570596991713,3cyclictest1741835-21kworker/u8:2+events_unbound22:02:360
1570596991713,3cyclictest1690247-21kworker/u8:2+events_unbound21:20:200
1570604991614,1cyclictest1809461-21kworker/u8:2+events_unbound00:10:152
1570604991613,2cyclictest1809461-21kworker/u8:2+flush-259:023:25:152
1570604991612,3cyclictest1809461-21kworker/u8:2+events_unbound23:55:142
1570604991612,3cyclictest1756671-21kworker/u8:0+flush-259:022:40:182
157060099163,7cyclictest1685120-21munin-run21:00:001
1570600991610,4cyclictest1877118-21latency_hist00:05:011
1570596991613,2cyclictest60350irq/132-enp0s29f1:rx-023:35:120
1570596991613,2cyclictest60350irq/132-enp0s29f1:rx-019:40:140
1570596991612,3cyclictest1887102-21kworker/u8:3+flush-259:000:15:170
1570596991612,3cyclictest1570546-21kworker/u8:2+flush-259:019:17:100
1570605991513,2cyclictest1586046-21kworker/u8:0+events_unbound19:55:263
1570604991512,2cyclictest1789463-21kworker/u8:1+flush-259:022:50:002
1570604991512,2cyclictest1762449-21kworker/u8:4+flush-259:022:35:182
1570604991512,2cyclictest1721826-21irqcore21:35:162
1570604991511,3cyclictest1721166-21kworker/u8:0+flush-259:021:45:062
1570600991511,3cyclictest1580425-21unixbench_singl19:15:231
1570600991510,4cyclictest1789463-21kworker/u8:1+flush-259:023:05:001
1570596991513,1cyclictest60350irq/132-enp0s29f1:rx-023:25:170
1570596991513,1cyclictest60350irq/132-enp0s29f1:rx-022:45:150
1570596991513,1cyclictest60350irq/132-enp0s29f1:rx-019:35:170
1570596991513,1cyclictest0-21swapper/021:14:590
1570596991512,2cyclictest1830123-21kworker/u8:3+events_unbound23:30:140
1570596991512,2cyclictest1767965-21gdbus22:19:220
1570605991411,2cyclictest1690247-21kworker/u8:2+flush-259:021:25:163
1570605991411,2cyclictest1541670-21kworker/u8:4+events_unbound20:32:203
1570604991411,3cyclictest1659348-21kworker/u8:1+flush-259:020:55:232
1570604991411,2cyclictest1659348-21kworker/u8:1+events_unbound20:40:182
157060099149,4cyclictest1690247-21kworker/u8:2+flush-259:021:10:011
157060099149,4cyclictest1690247-21kworker/u8:2+flush-259:021:10:001
157060099148,4cyclictest1591785-21/usr/sbin/munin19:30:181
157060099146,7cyclictest0-21swapper/100:20:001
1570600991412,1cyclictest0-21swapper/122:45:001
1570600991411,2cyclictest1622859-21fschecks_count20:00:141
1570600991410,3cyclictest507-21in:imuxsock22:05:011
1570600991410,3cyclictest1851049-21apt-get23:40:111
1570596991412,1cyclictest60350irq/132-enp0s29f1:rx-022:35:190
1570596991412,1cyclictest60350irq/132-enp0s29f1:rx-020:56:000
1570596991412,1cyclictest60350irq/132-enp0s29f1:rx-020:30:110
1570596991411,2cyclictest1690247-21kworker/u8:2+events_unbound21:35:160
1570596991410,3cyclictest252-21systemd-journal21:45:000
1570605991310,2cyclictest1809883-21fschecks_count23:00:133
1570605991310,2cyclictest1659348-21kworker/u8:1+flush-259:021:00:203
1570604991310,2cyclictest1840428-21kworker/u8:0+flush-259:023:45:332
1570604991310,2cyclictest1840428-21kworker/u8:0+flush-259:000:20:252
1570604991310,2cyclictest1674876-21kworker/u8:0+events_unbound21:05:352
1570604991310,2cyclictest1674876-21kworker/u8:0+events_unbound21:05:342
157060099139,3cyclictest1835956-21sed23:25:161
157060099139,3cyclictest1819761-21cron23:10:001
157060099139,3cyclictest1798612-21grep22:45:261
157060099138,4cyclictest1897837-21kworker/u8:2+flush-259:000:25:171
157060099137,4cyclictest252-21systemd-journal21:56:331
157060099137,4cyclictest1788761-21cron22:39:591
1570600991310,2cyclictest0-21swapper/123:45:181
1570596991311,1cyclictest60350irq/132-enp0s29f1:rx-022:28:240
1570596991311,1cyclictest60350irq/132-enp0s29f1:rx-020:39:060
1570596991310,2cyclictest1789463-21kworker/u8:1+events_unbound22:55:150
157060599129,3cyclictest1690247-21kworker/u8:2+events_unbound21:09:403
157060599129,3cyclictest1690247-21kworker/u8:2+events_unbound21:09:403
1570605991211,1cyclictest1570591-21cyclictest20:45:193
157060499129,2cyclictest391rcuc/200:15:172
157060499129,2cyclictest1756671-21kworker/u8:0+flush-259:022:20:212
157060499128,3cyclictest1840428-21kworker/u8:0+flush-259:023:52:522
157060099128,2cyclictest0-21swapper/120:20:001
157059699128,3cyclictest1541670-21kworker/u8:4+events_unbound19:45:550
157060499119,2cyclictest1541670-21kworker/u8:4+flush-259:019:40:182
157060499118,3cyclictest1586046-21kworker/u8:0+flush-259:019:55:152
157060499118,2cyclictest1887102-21kworker/u8:3+events_unbound00:26:532
157060499118,2cyclictest0-21swapper/223:20:242
157060499117,3cyclictest1840428-21kworker/u8:0+events_unbound23:36:352
157060099118,2cyclictest1908661-21fschecks_time00:35:161
157060099118,2cyclictest1602330-21fschecks_time19:40:121
157060099118,1cyclictest0-21swapper/123:34:591
157059699119,1cyclictest60350irq/132-enp0s29f1:rx-023:10:150
1570596991110,1cyclictest60350irq/132-enp0s29f1:rx-000:05:140
157060499107,2cyclictest1840428-21kworker/u8:0+flush-259:023:40:172
157060099106,3cyclictest1845896-21apt-get23:35:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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