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2026-02-04 - 03:32
[ 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 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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