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2026-02-22 - 08:42
[ 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 #6

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 50 highest latencies:
System rackeslot6s.osadl.org (updated Sun Feb 22, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2062156991125,84cyclictest0-21swapper/223:40:012
206215599837,35cyclictest0-21swapper/123:40:011
206215599818,44cyclictest0-21swapper/121:35:191
2062155997924,19cyclictest0-21swapper/120:15:021
2062152997725,27cyclictest0-21swapper/000:00:010
2062152997669,4cyclictest0-21swapper/023:00:110
206215599669,36cyclictest0-21swapper/120:35:011
2062156996317,37cyclictest0-21swapper/219:30:272
206215599629,20cyclictest2064303-21/usr/sbin/munin19:20:191
2062156996121,34cyclictest0-21swapper/221:45:282
2062152996130,11cyclictest15-21rcuc/021:25:010
2062156995930,24cyclictest2078482-21unixbench_singl20:40:302
2062155995940,14cyclictest0-21swapper/123:45:001
206215699582,47cyclictest2088038-21/usr/sbin/munin21:40:312
206215699581,3cyclictest0-21swapper/220:35:022
2062156995731,21cyclictest2084448-21sendmail21:20:002
206215699572,47cyclictest2080724-21meminfo20:55:252
2062155995713,11cyclictest0-21swapper/123:50:011
206215699567,39cyclictest0-21swapper/219:50:282
206215699563,44cyclictest2097953-21sed22:35:292
2062156995619,20cyclictest2062977-21munin-node19:15:012
2062156995618,30cyclictest0-21swapper/223:25:292
206215699553,44cyclictest2077044-21apt-get20:35:152
206215699552,46cyclictest2094795-21apt-get22:20:152
206215699552,45cyclictest2063442-21/usr/sbin/munin19:15:122
206215699543,41cyclictest2111017-21grep23:55:002
206215699541,47cyclictest0-21swapper/200:30:232
206215699535,38cyclictest2066962-21grep19:35:202
206215699533,41cyclictest0-21swapper/222:55:212
206215699532,44cyclictest2103381-21/usr/sbin/munin23:10:182
206215699532,41cyclictest2091471-21/usr/sbin/munin22:00:172
2062156995322,24cyclictest2070847-21sendmail20:00:012
2062156995312,34cyclictest2078908-21fschecks_time20:45:202
2062155995326,20cyclictest0-21swapper/100:21:251
2062155995320,27cyclictest2079579-21/usr/sbin/munin20:50:271
2062155995319,7cyclictest0-21swapper/119:40:011
206215699527,41cyclictest0-21swapper/221:15:012
206215699527,41cyclictest0-21swapper/221:15:002
206215699527,36cyclictest0-21swapper/222:50:292
206215699522,42cyclictest2118587-21cron00:40:002
206215699522,42cyclictest2107118-21cut23:30:242
206215699522,42cyclictest2079830-21/usr/sbin/munin20:50:222
206215699522,42cyclictest2068688-21tune2fs19:45:202
2062152995248,2cyclictest0-21swapper/020:25:020
206215699517,37cyclictest1660-21snmpd19:20:272
206215699515,38cyclictest0-21swapper/223:15:182
206215699513,41cyclictest2090334-21sshd21:51:162
206215699513,41cyclictest2090334-21sshd21:51:162
206215699513,40cyclictest2086857-21/usr/sbin/munin21:30:282
2062156995119,28cyclictest2113515-21latency_hist00:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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