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2026-02-22 - 18:04
[ 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 #9, 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.
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 all highest latencies:
System rack9slot4s (updated Sun Feb 22, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
203099912261211,12cyclictest0-21swapper/007:26:400
199372766720,31sleep00-21swapper/007:21:400
199352668621,31sleep10-21swapper/107:21:391
68502810,8sleep12031099cyclictest12:40:301
323352790,8sleep02030999cyclictest09:46:270
20310997870,5cyclictest0-21swapper/107:26:401
73412740,4sleep07329-21aten_r4power_en11:35:110
291152740,3sleep129113-21sh11:24:041
91612600,44sleep122-21ksoftirqd/111:36:031
171922590,18sleep1211ktimersoftd/110:38:041
299142560,7sleep12031099cyclictest12:31:041
196762550,4sleep1201rcuc/112:20:311
20310994410,5cyclictest81rcu_preempt11:05:201
215392435,6sleep03-21ksoftirqd/009:35:280
292722401,35sleep029281-21iostat_ios07:45:220
2031099398,4cyclictest22-21ksoftirqd/110:03:581
2030999382,11cyclictest0-21swapper/010:27:280
2030999381,12cyclictest0-21swapper/012:29:520
185982380,8sleep02030999cyclictest09:32:350
242352371,32sleep124249-21ssh10:11:301
239172371,4sleep123929-21sh09:38:191
2031099372,31cyclictest17388-21/usr/sbin/munin11:45:151
276072360,8sleep00-21swapper/010:49:060
2031099363,5cyclictest0-21swapper/111:40:361
20310993614,18cyclictest22-21ksoftirqd/112:11:421
2031099361,31cyclictest1372-21diskstats09:15:161
2030999363,29cyclictest0-21swapper/010:06:560
2030999363,29cyclictest0-21swapper/010:06:560
2030999361,21cyclictest27979-21unixbench_multi07:40:280
9692352,28sleep1987-21hddtemp_smartct12:35:181
313112351,4sleep02403-21irqbalance09:12:160
2031099354,8cyclictest22-21ksoftirqd/112:05:181
2031099354,4cyclictest81rcu_preempt10:55:231
2031099353,30cyclictest0-21swapper/108:46:161
20310993519,4cyclictest22-21ksoftirqd/109:48:061
20310993517,7cyclictest22-21ksoftirqd/109:50:341
20310993514,4cyclictest81rcu_preempt08:05:271
2030999357,13cyclictest6545-21cat12:40:270
20309993528,4cyclictest0-21swapper/010:24:160
2030999352,29cyclictest0-21swapper/011:44:150
2030999352,19cyclictest1227-21diskstats10:55:160
2030999351,5cyclictest28465-21ssh10:15:360
172712351,30sleep117281-21ssh12:53:451
254922341,29sleep125503-21sh11:53:511
2031099344,4cyclictest81rcu_preempt12:15:261
2031099344,4cyclictest81rcu_preempt11:10:121
2031099342,29cyclictest0-21swapper/109:55:561
20310993414,4cyclictest22-21ksoftirqd/110:25:171
2031099340,4cyclictest81rcu_preempt11:25:541
2030999347,5cyclictest81rcu_preempt10:44:590
2030999347,5cyclictest81rcu_preempt10:44:590
2030999347,4cyclictest0-21swapper/012:12:080
2030999345,25cyclictest0-21swapper/010:34:400
2030999344,4cyclictest81rcu_preempt12:02:440
20309993426,5cyclictest28777-21ssh11:23:360
2030999342,29cyclictest0-21swapper/012:49:360
2030999342,20cyclictest1378-21diskstats09:15:160
2030999341,30cyclictest0-21swapper/012:38:160
2030999341,29cyclictest29912-21ssh11:58:150
2030999341,22cyclictest16106-21hwlatdetect11:10:190
115412341,4sleep011552-21ssh09:59:120
289712331,28sleep030497-21gdbus09:43:380
2031099336,4cyclictest81rcu_preempt09:25:161
2031099335,5cyclictest22-21ksoftirqd/110:22:081
20310993326,5cyclictest0-21swapper/107:34:351
2031099332,5cyclictest81rcu_preempt09:30:121
2031099332,28cyclictest0-21swapper/110:45:151
2030999332,5cyclictest81rcu_preempt11:49:060
20309993325,5cyclictest0-21swapper/012:31:360
2030999332,4cyclictest81rcu_preempt11:30:210
2030999332,27cyclictest0-21swapper/012:16:160
20309993311,5cyclictest0-21swapper/009:21:100
20310993227,3cyclictest22-21ksoftirqd/108:10:281
2031099322,18cyclictest0-21swapper/110:19:551
2031099321,4cyclictest81rcu_preempt10:44:151
2031099321,4cyclictest81rcu_preempt10:44:141
2031099321,4cyclictest81rcu_preempt08:55:301
2031099321,29cyclictest0-21swapper/111:32:361
2031099321,29cyclictest0-21swapper/111:19:561
2031099321,28cyclictest3302-21runrttasks07:50:551
20310993212,6cyclictest10940-21sh10:31:001
20310993212,4cyclictest81rcu_preempt12:25:191
2030999329,12cyclictest3553-21tail09:50:230
2030999324,4cyclictest81rcu_preempt10:14:330
2030999322,4cyclictest0-21swapper/011:06:560
2030999321,5cyclictest0-21swapper/007:37:550
2030999321,3cyclictest0-21swapper/009:28:160
2030999321,19cyclictest8660-21ntp_states08:15:240
20309993211,5cyclictest0-21swapper/008:53:570
20309993211,5cyclictest0-21swapper/008:53:570
2030999321,13cyclictest14048-21cut10:35:110
20309993210,18cyclictest0-21swapper/010:02:550
178462321,4sleep017851-21iostat_ios08:40:200
2031099315,4cyclictest81rcu_preempt08:35:481
2031099314,4cyclictest81rcu_preempt09:22:441
2031099312,5cyclictest81rcu_preempt07:49:501
20310993123,6cyclictest0-21swapper/108:34:351
20310993121,6cyclictest10375-21grep12:45:151
2031099311,4cyclictest81rcu_preempt10:50:191
2031099311,4cyclictest81rcu_preempt10:05:251
2031099311,4cyclictest81rcu_preempt10:05:251
2031099311,4cyclictest81rcu_preempt09:40:211
2031099311,28cyclictest0-21swapper/109:02:361
20310993112,14cyclictest6549-21iostat_ios11:00:211
2030999317,12cyclictest20618-21taskset08:47:400
2030999312,4cyclictest81rcu_preempt10:53:420
20309993124,5cyclictest0-21swapper/008:39:150
2030999312,17cyclictest0-21swapper/012:20:440
2030999311,4cyclictest81rcu_preempt12:09:300
2030999311,4cyclictest81rcu_preempt11:17:150
2030999311,28cyclictest0-21swapper/008:55:360
2031099302,4cyclictest81rcu_preempt11:58:381
20310993019,7cyclictest17306-21wget08:40:111
20310993016,10cyclictest22-21ksoftirqd/112:00:251
2031099301,5cyclictest81rcu_preempt08:50:191
2031099301,5cyclictest81rcu_preempt08:50:191
2031099301,4cyclictest81rcu_preempt09:08:251
2031099300,4cyclictest81rcu_preempt07:58:271
2030999303,14cyclictest0-21swapper/008:05:550
2030999303,13cyclictest6241-21df_inode08:10:140
20309993023,5cyclictest0-21swapper/007:50:360
2030999301,7cyclictest0-21swapper/011:26:590
2030999301,16cyclictest14105-21/usr/sbin/munin12:50:180
111382301,5sleep00-21swapper/008:21:550
261202291,5sleep00-21swapper/009:01:100
2031099294,18cyclictest3204-21python08:00:281
2031099292,4cyclictest81rcu_preempt09:12:461
2031099292,14cyclictest0-21swapper/108:25:171
2030999292,24cyclictest0-21swapper/011:50:170
20309992921,5cyclictest27028-21fschecks_count09:05:160
150042291,5sleep00-21swapper/008:33:020
281132281,5sleep10-21swapper/107:40:511
2031099281,4cyclictest81rcu_preempt07:35:341
2030999284,11cyclictest0-21swapper/008:00:210
2030999282,13cyclictest12091-21perl08:25:160
2030999282,12cyclictest6363-21cut11:00:170
91972271,5sleep10-21swapper/108:16:281
2031099271,24cyclictest0-21swapper/108:23:351
2030999271,14cyclictest24298-21seq07:30:470
2030999261,13cyclictest786-21irqstats07:55:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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