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2026-02-15 - 16:16
[ 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 #5, slot #3

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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot3s.osadl.org (updated Sun Feb 15, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5862233162,58sleep30-21swapper/307:09:013
4152233163,21sleep20-21swapper/207:06:512
3422205168,25sleep00-21swapper/007:05:590
5582202165,26sleep10-21swapper/107:08:381
73802490,1sleep20-21swapper/207:20:222
27312490,1sleep20-21swapper/210:50:232
302332470,1sleep10-21swapper/111:55:121
45562440,1sleep20-21swapper/207:15:172
777993813,12cyclictest10590-21munin-run12:25:000
77799378,13cyclictest2758-21munin-run09:40:010
78799368,3cyclictest0-21swapper/111:40:271
777993510,12cyclictest1813-21idleruntime-cro12:05:000
77799347,12cyclictest22539-21munin-run10:25:010
77799338,12cyclictest1151-21munin-run10:50:020
78799321,18cyclictest642-21memory12:00:201
78799320,10cyclictest0-21swapper/110:56:311
81799319,10cyclictest26542-21/usr/sbin/munin09:20:223
78799311,12cyclictest0-21swapper/110:01:101
81799309,12cyclictest7937-21cat11:05:013
81799308,13cyclictest24510-21/usr/sbin/munin09:15:123
817993012,9cyclictest21389-21/usr/sbin/munin10:20:193
77799304,12cyclictest9348-21munin-run09:55:000
81799297,9cyclictest29150-21latency_hist10:40:023
81799297,13cyclictest9964-21latency_hist11:10:013
81799293,8cyclictest1237-21cat10:50:013
817992916,4cyclictest16937-21sshd12:37:083
817992911,9cyclictest24351-21users10:25:273
817992910,10cyclictest2787-21cat10:50:243
78799291,13cyclictest0-21swapper/112:39:361
78799291,12cyclictest0-21swapper/112:24:381
81799288,13cyclictest22273-21open_files11:35:213
81799287,6cyclictest15275-21switchtime10:05:253
81799287,6cyclictest15275-21switchtime10:05:253
81799285,9cyclictest1-21systemd09:10:083
81799285,14cyclictest9367-21fschecks_count08:40:163
81799282,12cyclictest0-21swapper/308:50:123
817992818,6cyclictest6437-21smart_sda09:45:233
817992812,7cyclictest17123-21df11:25:133
78799288,9cyclictest0-21swapper/108:09:141
78799287,3cyclictest0-21swapper/112:33:041
78799287,3cyclictest0-21swapper/112:33:041
78799281,12cyclictest0-21swapper/108:17:351
78799281,11cyclictest0-21swapper/108:29:081
77799280,13cyclictest2146-21basename08:25:010
81799277,7cyclictest16321-21sshd11:22:083
81799276,12cyclictest12643-21expr11:15:133
81799276,12cyclictest12643-21expr11:15:133
81799275,14cyclictest23717-21/usr/sbin/munin08:00:183
81799275,10cyclictest1272-21unixbench-2d12:00:263
81799274,11cyclictest19278-21unixbench_singl09:00:253
817992718,5cyclictest11797-21smart_sda07:30:243
801992710,4cyclictest1806-21awk12:05:012
78799276,9cyclictest0-21swapper/109:14:431
78799271,10cyclictest0-21swapper/108:52:051
787992710,3cyclictest24051-21df08:00:111
77799272,3cyclictest11803-21head12:25:180
77799272,11cyclictest10316-21awk07:30:000
81799269,14cyclictest21513-21grep09:05:263
81799267,11cyclictest28742-21/usr/sbin/munin09:25:193
81799266,7cyclictest13686-21cat07:35:193
81799266,6cyclictest10165-21gltestperf09:55:163
81799266,12cyclictest18989-21/usr/sbin/munin11:30:193
81799266,10cyclictest88150irq/126-enp1s0-08:15:253
81799265,13cyclictest4224-21/usr/sbin/munin12:10:103
81799265,12cyclictest25924-21/usr/sbin/munin08:05:153
81799265,12cyclictest10198-21/usr/sbin/munin11:10:253
817992616,5cyclictest4858-21smart_sda10:55:243
787992612,7cyclictest21001-21kworker/u8:208:30:171
78799261,12cyclictest0-21swapper/108:57:441
78799261,12cyclictest0-21swapper/108:57:431
78799261,12cyclictest0-21swapper/107:29:581
78799261,11cyclictest0-21swapper/111:48:381
78799261,11cyclictest0-21swapper/109:30:401
78799261,11cyclictest0-21swapper/107:32:291
78799261,10cyclictest0-21swapper/107:53:361
787992610,3cyclictest29934-21latency_hist11:55:021
787992610,3cyclictest0-21swapper/112:28:301
77799266,17cyclictest13118-21munin-run08:50:010
81799257,3cyclictest88350irq/128-enp1s0-10:30:253
81799257,15cyclictest6917-21cut08:35:133
81799256,6cyclictest0-21swapper/309:00:013
81799256,6cyclictest0-21swapper/309:00:013
81799255,9cyclictest0-21swapper/309:40:123
81799255,7cyclictest13353-21sh12:30:133
81799255,7cyclictest13353-21sh12:30:133
81799255,11cyclictest88450irq/129-enp1s0-10:10:273
81799254,9cyclictest3992-21crond12:10:003
81799252,7cyclictest6489-21diskstats07:20:133
817992517,5cyclictest26844-21smart_sda11:45:243
817992517,5cyclictest18717-21diskstats10:15:153
817992515,6cyclictest12073-21smart_sda12:25:243
817992510,12cyclictest6094-21grep07:20:023
78799259,3cyclictest0-21swapper/109:46:541
78799256,7cyclictest0-21swapper/108:41:141
787992511,3cyclictest0-21swapper/110:20:201
78799251,12cyclictest6769-21diskstats12:15:141
78799251,12cyclictest0-21swapper/111:05:371
78799251,12cyclictest0-21swapper/107:58:131
78799251,11cyclictest18196-21ntp_states07:45:231
78799251,11cyclictest18196-21ntp_states07:45:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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