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2026-02-28 - 11:59
[ 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 Sat Feb 28, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11029911611138,20cyclictest0-21swapper/019:26:000
11039911261115,7cyclictest2542-21users19:25:301
6322608563,30sleep00-21swapper/019:20:380
9952602560,29sleep10-21swapper/119:24:281
1203521110,2sleep012036-21ssh00:33:210
223721040,8sleep1110399cyclictest21:35:261
99352780,2sleep00-21swapper/022:16:450
17272750,3sleep1201rcuc/122:41:501
203132740,3sleep120312-21cpuspeed_turbos23:35:121
262972660,3sleep041ktimersoftd/021:26:530
235672660,6sleep10-21swapper/121:24:571
180782471,29sleep118226-21grep20:05:291
311342460,5sleep131112-21ssh00:20:011
110399431,14cyclictest0-21swapper/123:53:001
110399426,32cyclictest0-21swapper/122:05:351
114152410,3sleep041ktimersoftd/019:50:100
37302391,8sleep00-21swapper/023:50:330
110399391,17cyclictest0-21swapper/121:14:221
110299397,4cyclictest0-21swapper/021:45:150
110299397,28cyclictest0-21swapper/021:17:160
110299381,25cyclictest1221-21wget21:35:120
56822371,32sleep15694-21ssh00:26:091
244872371,32sleep12403-21irqbalance00:12:351
181572379,4sleep181rcu_preempt22:59:331
1103993717,9cyclictest22-21ksoftirqd/122:03:201
110299372,21cyclictest23194-21hddtemp_smartct20:20:180
110299372,21cyclictest23194-21hddtemp_smartct20:20:170
108422371,32sleep12645-21snmpd19:45:541
36892362,30sleep13734-21iostat19:30:061
192942361,31sleep119307-21sh23:34:101
110399362,7cyclictest0-21swapper/121:44:561
110299363,4cyclictest81rcu_preempt00:53:050
110299362,30cyclictest0-21swapper/022:51:560
110299362,30cyclictest0-21swapper/022:46:350
110299362,21cyclictest0-21swapper/023:09:480
261542351,10sleep10-21swapper/120:28:391
205562351,3sleep120566-21ssh23:00:591
18022350,2sleep01803-21sh00:22:410
110399356,4cyclictest18033-21cron21:19:001
110399352,5cyclictest21106-21ssh22:28:561
110399352,29cyclictest0-21swapper/121:26:161
110399351,31cyclictest17717-21ssh00:39:361
110399351,14cyclictest0-21swapper/123:45:281
110399351,13cyclictest305012ssh22:38:311
110299352,30cyclictest0-21swapper/022:07:550
1102993510,13cyclictest0-21swapper/023:10:210
32152341,29sleep09021-21diskmemload22:43:530
110399347,4cyclictest22-21ksoftirqd/122:20:271
110399345,4cyclictest81rcu_preempt00:04:341
110399343,4cyclictest81rcu_preempt22:15:111
110399342,5cyclictest0-21swapper/123:19:351
1103993416,15cyclictest22-21ksoftirqd/122:48:531
1103993415,6cyclictest22-21ksoftirqd/100:10:021
110399341,15cyclictest3464-21irqstats22:10:201
110299349,5cyclictest24241-21ssh22:31:270
110299343,5cyclictest81rcu_preempt23:32:050
110299343,27cyclictest27365-21tune2fs22:35:160
1102993426,4cyclictest0-21swapper/023:43:160
110299342,28cyclictest0-21swapper/000:41:150
312962331,28sleep031458-21head20:40:290
143812331,4sleep014391-21ssh22:21:100
110399338,4cyclictest81rcu_preempt20:20:171
110399338,4cyclictest81rcu_preempt20:20:171
110399337,4cyclictest81rcu_preempt21:56:321
110399335,4cyclictest81rcu_preempt20:43:521
1103993318,11cyclictest16200-21sort21:50:151
1103993311,7cyclictest0-21swapper/121:01:091
110299337,13cyclictest2668-21sshd19:30:280
110299334,5cyclictest81rcu_preempt00:45:260
110299332,4cyclictest0-21swapper/023:48:350
110299331,4cyclictest2403-21irqbalance00:25:150
110299331,4cyclictest19119-21ssh21:53:160
1102993314,7cyclictest20213-21sshd23:00:290
110299331,30cyclictest0-21swapper/021:14:360
110299331,29cyclictest0-21swapper/020:27:360
110299331,20cyclictest22317-21runrttasks20:17:580
110299331,16cyclictest28711-21aten_r4power_cu21:30:100
110299331,12cyclictest0-21swapper/023:20:230
110399325,4cyclictest81rcu_preempt19:59:001
110399324,4cyclictest81rcu_preempt22:31:511
110399324,4cyclictest81rcu_preempt21:48:231
1103993225,5cyclictest0-21swapper/120:55:371
110399322,4cyclictest81rcu_preempt00:40:161
110399321,6cyclictest30977-21rm21:31:391
110399321,4cyclictest81rcu_preempt00:45:371
110399321,3cyclictest81rcu_preempt23:21:381
110299328,7cyclictest16105-21ssh00:37:160
110299323,4cyclictest81rcu_preempt22:58:010
110299323,4cyclictest81rcu_preempt22:04:410
1102993225,5cyclictest0-21swapper/020:31:350
110299322,4cyclictest81rcu_preempt00:11:290
110299322,4cyclictest81rcu_preempt00:09:200
110299321,27cyclictest2403-21irqbalance23:17:550
110299321,27cyclictest0-21swapper/000:15:490
110299321,13cyclictest9291-21ssh23:56:340
50252311,26sleep09021-21diskmemload22:11:390
47852311,5sleep00-21swapper/020:55:310
110399315,5cyclictest114142aten_r4power_cu19:50:111
110399314,4cyclictest81rcu_preempt20:34:181
110399313,9cyclictest81rcu_preempt23:05:011
110399311,4cyclictest81rcu_preempt23:10:251
1103993111,17cyclictest0-21swapper/123:25:351
1103993110,10cyclictest22-21ksoftirqd/122:50:481
110299317,6cyclictest21237-21sendmail_mailqu23:35:260
110299317,11cyclictest8206-21if_err_eth019:40:200
110299313,4cyclictest81rcu_preempt21:58:460
110299313,16cyclictest0-21swapper/023:26:070
110299313,16cyclictest0-21swapper/022:27:530
110299311,4cyclictest81rcu_preempt21:40:160
110299311,4cyclictest81rcu_preempt20:45:210
110299311,28cyclictest0-21swapper/020:38:150
1102993110,3cyclictest0-21swapper/021:23:320
110399308,18cyclictest0-21swapper/100:31:321
110399306,5cyclictest81rcu_preempt23:45:001
110399305,4cyclictest81rcu_preempt20:48:141
110399301,4cyclictest81rcu_preempt00:20:341
110299303,15cyclictest0-21swapper/020:08:490
110299303,14cyclictest5712-21diskstats21:00:150
1102993023,5cyclictest0-21swapper/020:51:360
1102993011,6cyclictest12625-21iostat_ios00:00:210
72272291,5sleep10-21swapper/119:37:311
296662291,5sleep10-21swapper/120:36:091
110399291,13cyclictest18925-21/usr/sbin/munin20:10:261
110299294,4cyclictest81rcu_preempt19:36:390
110299292,14cyclictest15465-21diskstats20:00:130
1102992912,5cyclictest7722-21fschecks_time21:05:160
110299291,15cyclictest9553-21wget19:45:100
104612291,5sleep10-21swapper/123:58:181
110399281,3cyclictest81rcu_preempt00:50:571
1103992811,6cyclictest40550irq/92-i91520:50:131
110299282,12cyclictest19863-21gzip20:10:260
110299281,14cyclictest13478-21tr19:55:120
88592271,5sleep10-21swapper/121:08:311
110399271,4cyclictest22-21ksoftirqd/120:18:461
1103992712,4cyclictest81rcu_preempt20:00:571
110399261,10cyclictest8906-21grep19:40:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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