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2026-02-21 - 04:42
[ 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 #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 the highest latencies:
System rack9slot4s (updated Sat Feb 21, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195689912641234,17cyclictest0-21swapper/019:26:390
195699911481134,11cyclictest0-21swapper/119:26:491
191082561518,29sleep10-21swapper/119:20:451
192422463418,30sleep00-21swapper/019:22:070
1008821080,7sleep01956899cyclictest21:58:270
1862121050,3sleep00-21swapper/023:46:500
43132890,2sleep00-21swapper/022:59:250
253012890,9sleep01956899cyclictest21:40:230
325572870,3sleep00-21swapper/019:55:250
68552860,7sleep11956999cyclictest23:35:121
103152850,6sleep11956999cyclictest00:45:261
142612810,7sleep01956899cyclictest00:50:200
287762790,4sleep1201rcuc/122:50:271
258562760,4sleep10-21swapper/100:28:061
10552700,5sleep01956899cyclictest21:15:270
10552700,5sleep01956899cyclictest21:15:260
48442650,4sleep14843-21ssh22:25:321
1956899654,33cyclictest0-21swapper/022:35:560
149092640,5sleep114910-21cpuspeed_turbos21:30:131
19568995716,6cyclictest3-21ksoftirqd/023:32:520
19568995311,13cyclictest1464-21ssh21:50:010
229672490,5sleep022963-21ssh22:11:000
285552450,8sleep01956899cyclictest23:24:230
1956999438,31cyclictest0-21swapper/100:14:561
1956899422,4cyclictest81rcu_preempt23:55:150
1956899415,32cyclictest0-21swapper/000:36:350
19568994117,5cyclictest3-21ksoftirqd/000:15:130
19568994112,6cyclictest101852grep00:45:220
1956999408,28cyclictest0-21swapper/122:04:561
1956999405,31cyclictest0-21swapper/122:14:161
1956999401,11cyclictest0-21swapper/121:46:561
150762400,4sleep10-21swapper/100:16:281
1956999391,34cyclictest0-21swapper/100:40:551
19568993922,6cyclictest3-21ksoftirqd/000:12:250
19568993814,8cyclictest3-21ksoftirqd/022:01:080
1956899381,28cyclictest0-21swapper/022:48:050
111532381,4sleep111276-21users21:25:281
1956999366,5cyclictest81rcu_preempt21:50:281
1956999365,4cyclictest81rcu_preempt21:20:261
1956999363,29cyclictest0-21swapper/121:58:551
1956999363,29cyclictest0-21swapper/100:32:561
1956999362,5cyclictest0-21swapper/121:37:351
1956899362,12cyclictest0-21swapper/022:31:570
321032351,30sleep032266-21grep22:20:290
1956999353,5cyclictest0-21swapper/123:25:361
1956999353,5cyclictest0-21swapper/120:55:561
1956999353,30cyclictest0-21swapper/120:05:551
1956999351,30cyclictest18443-21perl22:40:161
1956899359,13cyclictest28591-21open_files21:10:240
1956899355,26cyclictest7110-21tune2fs23:35:160
1956899353,29cyclictest0-21swapper/021:35:550
1956899353,18cyclictest0-21swapper/020:16:390
19568993525,6cyclictest26284-21/usr/sbin/munin19:40:130
1956899352,29cyclictest0-21swapper/021:29:560
19568993519,5cyclictest3-21ksoftirqd/022:40:270
19568993515,5cyclictest3-21ksoftirqd/022:50:560
19568993515,5cyclictest3-21ksoftirqd/000:43:040
168532350,8sleep11956999cyclictest23:45:171
1956999348,22cyclictest0-21swapper/122:58:431
19569993427,4cyclictest0-21swapper/100:06:561
19569993422,10cyclictest0-21swapper/123:40:151
1956999341,5cyclictest15513-21ssh22:36:551
1956999341,29cyclictest18162-21fschecks_count00:20:161
1956899349,20cyclictest2206-21dbus-daemon21:33:210
1956899345,5cyclictest81rcu_preempt23:00:130
19568993426,5cyclictest2309-21cron23:30:000
1956899342,4cyclictest0-21swapper/021:21:550
1956899342,29cyclictest0-21swapper/022:17:550
19568993417,6cyclictest3-21ksoftirqd/023:42:350
47262331,4sleep14892-21latency_hist21:20:021
197122331,9sleep10-21swapper/120:48:531
1956999334,4cyclictest81rcu_preempt22:05:491
1956999333,4cyclictest81rcu_preempt22:47:111
19569993325,6cyclictest0-21swapper/120:40:161
1956999332,28cyclictest0-21swapper/123:10:561
1956999331,30cyclictest0-21swapper/123:53:361
1956999331,30cyclictest0-21swapper/119:45:361
1956899338,15cyclictest3-21ksoftirqd/000:27:430
19568993324,5cyclictest2309-21cron00:10:000
1956899332,15cyclictest0-21swapper/023:15:500
1956899331,5cyclictest2309-21cron21:00:000
1956899331,30cyclictest0-21swapper/021:01:160
1956899331,29cyclictest0-21swapper/021:54:030
19568993311,7cyclictest21719-21munin-run20:55:000
183412331,28sleep018352-21ssh22:06:200
70292321,27sleep17090-21df20:15:121
1956999325,4cyclictest81rcu_preempt21:09:091
1956999325,23cyclictest0-21swapper/122:32:351
1956999323,4cyclictest81rcu_preempt23:15:431
19569993225,4cyclictest1968-21lldpad23:21:061
1956999321,4cyclictest81rcu_preempt22:16:391
1956999321,4cyclictest81rcu_preempt00:50:041
1956999321,4cyclictest0-21swapper/123:34:151
1956999321,3cyclictest81rcu_preempt19:32:371
1956999321,10cyclictest0-21swapper/121:17:511
1956899324,15cyclictest0-21swapper/020:21:520
1956899323,4cyclictest81rcu_preempt00:02:530
19568993223,5cyclictest2309-21cron20:10:000
19568993217,4cyclictest3-21ksoftirqd/000:20:170
19568993212,5cyclictest3-21ksoftirqd/000:30:580
1956899321,19cyclictest15988-21timerandwakeup23:10:290
1956899321,18cyclictest10392-21hddtemp_smartct23:05:170
1956999311,4cyclictest81rcu_preempt23:06:001
1956999311,16cyclictest27359-21diskmemload00:35:151
19568993124,5cyclictest0-21swapper/020:00:360
19568993124,5cyclictest0-21swapper/020:00:350
1956899312,18cyclictest0-21swapper/023:50:260
19568993115,5cyclictest3-21ksoftirqd/021:05:260
1956899311,4cyclictest0-21swapper/019:48:360
19568993114,4cyclictest3-21ksoftirqd/022:26:170
1956899311,27cyclictest0-21swapper/019:52:570
19568993111,7cyclictest5757-21ntp_states20:10:230
1956999305,4cyclictest81rcu_preempt23:56:541
1956999303,4cyclictest81rcu_preempt21:40:321
1956999302,4cyclictest81rcu_preempt22:20:551
1956999302,14cyclictest21723-21awk20:55:001
19569993016,8cyclictest14929-21iostat_ios20:35:181
1956999301,5cyclictest81rcu_preempt20:01:311
1956999301,5cyclictest81rcu_preempt20:01:311
1956999301,4cyclictest81rcu_preempt21:13:481
19569993012,6cyclictest40550irq/92-i91519:55:191
19569993010,6cyclictest2206-21dbus-daemon00:00:391
1956899303,15cyclictest0-21swapper/019:30:250
19568993011,6cyclictest17492-21users20:40:290
1956999291,4cyclictest81rcu_preempt23:00:591
1956999291,16cyclictest6250-21taskset20:10:561
1956999290,4cyclictest81rcu_preempt20:24:371
1956999290,4cyclictest81rcu_preempt19:50:461
1956899292,14cyclictest14925-21iostat20:35:170
1956899292,14cyclictest12886-21fschecks_time20:30:160
258582281,5sleep10-21swapper/119:40:001
254992281,5sleep10-21swapper/119:36:461
19568992820,5cyclictest24930-21ntpq19:35:240
1956899281,14cyclictest19383-21/usr/sbin/munin20:45:290
115602280,5sleep111537-21mailstats20:25:271
1956999275,12cyclictest40550irq/92-i91521:00:111
1956999270,3cyclictest81rcu_preempt20:33:421
19568992610,4cyclictest10879-21diskstats20:25:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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