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2026-01-21 - 11:57
[ 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 792 highest latencies:
System rack9slot4s (updated Wed Jan 21, 2026 00:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20599912391218,17cyclictest2787-21smartctl19:25:170
20609912081181,22cyclictest2481-21expr19:25:121
20609911661114,34cyclictest15582-21perl21:15:161
19892606559,33sleep00-21swapper/019:24:550
17072579533,31sleep10-21swapper/119:21:591
205999143123,15cyclictest0-21swapper/021:15:170
88992970,4sleep1201rcuc/123:55:161
115342800,8sleep1206099cyclictest22:50:311
231552770,4sleep1211ktimersoftd/100:43:351
316782750,4sleep131672-21ssh22:05:171
2059994710,7cyclictest1830-21sh00:20:530
2059994424,15cyclictest15264-21ssh00:01:210
238772426,5sleep10-21swapper/100:10:281
2060994217,6cyclictest22-21ksoftirqd/121:44:401
2060994215,7cyclictest22-21ksoftirqd/100:22:491
2060994124,6cyclictest22-21ksoftirqd/121:21:471
2060994116,6cyclictest22-21ksoftirqd/123:10:481
2060994115,7cyclictest22-21ksoftirqd/122:56:491
2060994114,7cyclictest22-21ksoftirqd/100:00:391
2059994110,28cyclictest0-21swapper/000:53:550
2060994023,6cyclictest22-21ksoftirqd/123:41:051
2060994018,7cyclictest22-21ksoftirqd/100:30:201
205999406,30cyclictest0-21swapper/023:55:160
2060993924,5cyclictest22-21ksoftirqd/121:51:581
2060993916,8cyclictest22-21ksoftirqd/123:39:421
2060993914,7cyclictest22-21ksoftirqd/121:46:481
2060993913,7cyclictest22-21ksoftirqd/123:52:441
2060993913,7cyclictest22-21ksoftirqd/122:22:361
205999396,11cyclictest0-21swapper/000:35:030
205999391,21cyclictest9604-21python19:40:270
92822381,3sleep19292-21ssh00:29:331
295582381,4sleep029607-21cut20:35:150
220122381,33sleep122026-21sh23:01:351
2060993823,5cyclictest22-21ksoftirqd/100:39:271
2060993816,7cyclictest22-21ksoftirqd/100:07:511
2060993816,6cyclictest22-21ksoftirqd/122:35:211
2060993815,8cyclictest22-21ksoftirqd/122:43:531
205999385,29cyclictest0-21swapper/021:57:560
276302370,3sleep0111rcuc/022:00:290
2060993723,5cyclictest22-21ksoftirqd/120:37:171
2060993715,7cyclictest22-21ksoftirqd/122:47:171
205999371,5cyclictest2482-21hddtemp_smartct23:15:150
2060993615,7cyclictest22-21ksoftirqd/121:28:081
2060993615,6cyclictest22-21ksoftirqd/121:31:331
206099361,4cyclictest0-21swapper/100:50:171
2060993612,15cyclictest22-21ksoftirqd/122:26:371
2060993612,15cyclictest22-21ksoftirqd/122:26:361
181752361,31sleep118186-21ssh23:30:451
118892361,4sleep081rcu_preempt00:31:190
255482350,23sleep03-21ksoftirqd/000:12:160
2060993515,6cyclictest22-21ksoftirqd/122:30:521
2060993514,7cyclictest22-21ksoftirqd/123:05:581
2060993514,7cyclictest22-21ksoftirqd/122:19:311
2060993514,7cyclictest22-21ksoftirqd/122:12:431
2060993514,7cyclictest22-21ksoftirqd/121:57:291
2060993514,6cyclictest22-21ksoftirqd/123:17:121
2060993513,7cyclictest22-21ksoftirqd/121:11:281
2060993513,6cyclictest22-21ksoftirqd/100:45:171
205999353,30cyclictest0-21swapper/022:16:360
2059993528,4cyclictest0-21swapper/022:05:550
2059993518,12cyclictest30729-21ssh00:17:460
206099343,19cyclictest0-21swapper/122:03:591
2060993414,6cyclictest22-21ksoftirqd/123:46:061
2060993414,6cyclictest22-21ksoftirqd/100:19:251
206099341,20cyclictest32209-21cat20:40:281
205999343,28cyclictest0-21swapper/021:05:560
2059993427,4cyclictest0-21swapper/023:37:160
205999342,29cyclictest0-21swapper/022:57:150
205999342,29cyclictest0-21swapper/000:47:160
2059993418,12cyclictest11533-21/usr/sbin/munin22:50:310
205999341,5cyclictest7446-21sh22:46:360
205999341,30cyclictest0-21swapper/023:23:560
205999341,30cyclictest0-21swapper/000:26:050
19382341,29sleep11941-21ssh21:35:071
15132342,28sleep00-21swapper/020:45:270
2060993313,7cyclictest22-21ksoftirqd/123:29:211
2060993312,7cyclictest22-21ksoftirqd/120:31:141
2060993312,7cyclictest22-21ksoftirqd/120:31:131
2060993311,7cyclictest22-21ksoftirqd/119:32:341
205999334,5cyclictest81rcu_preempt22:35:210
205999334,4cyclictest81rcu_preempt23:04:540
205999332,28cyclictest0-21swapper/021:46:040
2059993315,14cyclictest3-21ksoftirqd/023:50:590
205999331,4cyclictest11728-21ssh21:10:360
205999331,29cyclictest0-21swapper/023:11:550
188722331,4sleep118971-21run-parts20:05:261
106942331,28sleep110748-21/usr/sbin/munin19:45:141
106942331,28sleep110748-21/usr/sbin/munin19:45:131
2060993214,5cyclictest14010-21taskset19:54:361
206099321,29cyclictest0-21swapper/119:56:561
206099321,29cyclictest0-21swapper/119:35:551
2060993212,7cyclictest22-21ksoftirqd/120:15:301
2060993212,6cyclictest22-21ksoftirqd/120:56:011
205999324,4cyclictest81rcu_preempt22:21:180
205999324,4cyclictest81rcu_preempt21:22:360
205999324,4cyclictest81rcu_preempt00:44:380
205999323,4cyclictest81rcu_preempt21:44:400
2059993225,4cyclictest2645-21snmpd19:57:160
205999321,4cyclictest0-21swapper/000:09:550
178852321,4sleep018065-21rm21:50:300
71452311,4sleep07159-21ssh22:13:310
47562311,26sleep04917-21perl20:55:160
206099318,8cyclictest8504-21/usr/sbin/munin21:05:131
206099312,17cyclictest0-21swapper/123:20:411
206099311,4cyclictest0-21swapper/120:26:361
2060993112,6cyclictest22-21ksoftirqd/121:05:001
205999314,4cyclictest81rcu_preempt21:28:070
205999313,4cyclictest81rcu_preempt22:30:520
2059993126,3cyclictest0-21swapper/022:29:560
2059993126,3cyclictest0-21swapper/022:29:560
2059993121,6cyclictest832-21ssh23:46:390
205999311,27cyclictest0-21swapper/023:41:150
205999310,3cyclictest2513-21ssh21:35:150
206099302,14cyclictest1170-21iostat_ios20:45:191
206099301,27cyclictest0-21swapper/120:12:551
205999303,4cyclictest81rcu_preempt23:05:570
205999302,4cyclictest81rcu_preempt21:31:330
2059993023,5cyclictest0-21swapper/019:37:350
205999302,25cyclictest0-21swapper/023:25:120
205999301,4cyclictest81rcu_preempt22:43:520
2059993011,13cyclictest4258-21munin-node19:30:030
102912301,5sleep10-21swapper/119:44:571
206099292,9cyclictest3175-21/usr/sbin/munin20:50:211
206099292,14cyclictest16711-21irqstats20:00:201
206099292,13cyclictest23928-21diskstats20:20:131
205999294,4cyclictest81rcu_preempt20:15:300
40852281,5sleep00-21swapper/020:52:560
253052281,5sleep00-21swapper/020:24:350
205999285,4cyclictest81rcu_preempt20:31:140
205999285,4cyclictest81rcu_preempt20:31:130
205999284,4cyclictest81rcu_preempt20:42:260
205999282,4cyclictest81rcu_preempt21:05:000
2059992818,6cyclictest3-21ksoftirqd/020:00:230
192912281,5sleep00-21swapper/020:05:480
138272281,5sleep00-21swapper/019:52:420
121452281,5sleep00-21swapper/019:49:440
121452281,5sleep00-21swapper/019:49:440
270212271,5sleep00-21swapper/020:27:580
205999272,21cyclictest0-21swapper/023:30:250
205999253,18cyclictest0-21swapper/020:13:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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