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2026-02-28 - 18:39
[ 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 Sat Feb 28, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9692238163,24sleep20-21swapper/207:08:152
9502238162,24sleep30-21swapper/307:08:003
9632210134,24sleep10-21swapper/107:08:101
7732199163,24sleep00-21swapper/007:06:200
60821520,4sleep2120099cyclictest09:32:302
2295021250,3sleep0118899cyclictest07:55:200
12069910398,2cyclictest247592sleep310:25:493
1206999691,3cyclictest0-21swapper/308:05:193
9932920,2sleep3120699cyclictest12:00:163
1206997571,3cyclictest0-21swapper/311:35:373
40322640,1sleep10-21swapper/107:15:041
97542570,4sleep121-21rcuc/109:55:011
1206995751,3cyclictest4533-21date12:10:013
285952520,1sleep00-21swapper/010:35:210
106062520,4sleep00-21swapper/009:55:160
100762480,1sleep20-21swapper/212:20:222
1206993829,3cyclictest0-21swapper/308:37:303
1188993711,12cyclictest24488-21munin-run09:15:010
1200993622,3cyclictest0-21swapper/211:04:172
120099361,13cyclictest0-21swapper/210:32:312
1188993611,12cyclictest22287-21munin-run09:10:010
247112330,2sleep20-21swapper/208:00:162
120099331,14cyclictest0-21swapper/210:56:432
120099321,14cyclictest0-21swapper/212:18:032
120099321,13cyclictest0-21swapper/207:54:272
120099321,11cyclictest10753-21latency_hist07:30:012
120099320,24cyclictest0-21swapper/209:19:272
1188993211,10cyclictest7-21ksoftirqd/008:35:190
120099301,14cyclictest0-21swapper/210:51:352
120099301,12cyclictest0-21swapper/209:57:312
139312290,4sleep3120699cyclictest12:30:143
1200992911,3cyclictest10562-21/usr/sbin/munin11:10:132
1200992911,3cyclictest0-21swapper/211:36:452
120099291,13cyclictest0-21swapper/209:42:472
120099281,13cyclictest0-21swapper/210:40:312
120099281,13cyclictest0-21swapper/207:30:212
120099281,11cyclictest0-21swapper/210:17:232
120099281,10cyclictest0-21swapper/210:10:532
120099278,6cyclictest28911-21kworker/u8:007:42:112
1200992716,7cyclictest0-21swapper/212:25:232
120099271,13cyclictest0-21swapper/212:01:022
120099271,12cyclictest0-21swapper/210:37:072
120099271,11cyclictest22552-21hddtemp_smartct07:55:152
120099270,13cyclictest0-21swapper/209:23:332
1196992716,2cyclictest0-21swapper/111:50:591
119699271,3cyclictest0-21swapper/109:06:271
118899279,15cyclictest28269-21awk08:10:010
175462260,4sleep011-21rcuc/011:25:140
1206992616,3cyclictest0-21swapper/310:17:043
120099266,3cyclictest0-21swapper/212:31:252
120099261,13cyclictest0-21swapper/209:35:242
120099261,12cyclictest0-21swapper/211:43:412
120099261,12cyclictest0-21swapper/211:15:132
120099261,12cyclictest0-21swapper/211:15:132
120099261,11cyclictest22283-21diskmemload12:05:392
1196992619,4cyclictest23135-21/usr/sbin/munin07:55:221
118899265,11cyclictest7-21ksoftirqd/011:55:250
120699251,9cyclictest0-21swapper/309:52:253
120099259,3cyclictest0-21swapper/207:13:112
120099258,3cyclictest0-21swapper/208:38:452
1200992511,3cyclictest31402-21ntp_states11:55:212
1200992511,3cyclictest0-21swapper/209:14:392
1200992511,3cyclictest0-21swapper/208:47:572
120099251,11cyclictest0-21swapper/208:33:472
119699252,8cyclictest0-21swapper/110:17:041
119699251,3cyclictest6854-21diskstats07:20:151
119699250,3cyclictest0-21swapper/108:29:031
119699250,2cyclictest0-21swapper/108:14:441
118899252,11cyclictest3337-21/usr/sbin/munin09:40:130
118899251,5cyclictest0-21swapper/012:06:340
118899251,13cyclictest10348-21awk11:10:020
118899251,11cyclictest4584-21/usr/sbin/munin12:10:120
118899251,11cyclictest24708-21/usr/sbin/munin09:15:130
103922250,4sleep110383-21timerwakeupswit12:20:251
227932240,5sleep3401ktimersoftd/309:10:123
120699248,4cyclictest6896-21awk08:35:003
120699245,10cyclictest580-21systemd-journal09:25:013
120699241,7cyclictest0-21swapper/310:02:313
120099248,3cyclictest0-21swapper/209:48:252
120099247,3cyclictest0-21swapper/209:08:432
120099244,3cyclictest0-21swapper/208:21:232
120099241,9cyclictest0-21swapper/209:53:392
120099241,12cyclictest0-21swapper/212:13:372
120099241,10cyclictest0-21swapper/211:23:492
1200992410,5cyclictest843-21runrttasks11:26:222
120099240,12cyclictest0-21swapper/209:04:312
119699241,16cyclictest0-21swapper/109:17:091
119699241,15cyclictest0-21swapper/112:37:591
119699240,18cyclictest0-21swapper/110:21:261
118899249,3cyclictest25149-21ntp_states08:00:220
118899241,11cyclictest19251-21sshd07:47:300
118899241,11cyclictest19251-21sshd07:47:300
120699231,14cyclictest0-21swapper/311:25:423
120699231,13cyclictest0-21swapper/310:48:123
120699230,15cyclictest0-21swapper/312:28:533
120699230,14cyclictest0-21swapper/309:37:403
120699230,14cyclictest0-21swapper/309:34:163
120099239,3cyclictest0-21swapper/207:35:292
120099238,4cyclictest0-21swapper/208:25:092
120099238,3cyclictest0-21swapper/207:17:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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