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2026-02-20 - 23:33
[ 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 Fri Feb 20, 2026 12:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
135639912011159,31cyclictest14456-21strings07:25:220
135649911451115,26cyclictest14095-21tune2fs07:25:161
131092561517,29sleep00-21swapper/007:20:500
131822491443,33sleep10-21swapper/107:21:351
2587721020,8sleep11356499cyclictest09:46:531
186272900,7sleep10-21swapper/107:35:141
306162870,8sleep11356499cyclictest09:19:011
282292850,9sleep11356499cyclictest12:03:201
50812770,3sleep15080-21rm11:39:521
259212630,7sleep01356399cyclictest07:55:130
269922600,2sleep126996-21sh12:35:211
325022550,7sleep11356499cyclictest12:07:341
158582520,8sleep10-21swapper/111:50:221
13564994223,8cyclictest22-21ksoftirqd/112:50:191
1356399412,35cyclictest0-21swapper/011:14:350
13564993812,6cyclictest237862cut11:25:161
1356499377,27cyclictest0-21swapper/111:55:361
13564993713,5cyclictest40550irq/92-i91509:37:241
1356399374,10cyclictest3830-21munin-run09:25:000
13563993728,5cyclictest27240-21perl09:15:150
13563993715,8cyclictest9256-21diskstats09:30:150
1356499369,4cyclictest81rcu_preempt10:00:041
1356499362,16cyclictest0-21swapper/111:20:271
1356499361,4cyclictest81rcu_preempt09:50:271
1356399365,12cyclictest26350-21ssh12:35:100
1356399363,28cyclictest2309-21cron10:30:000
1356399363,17cyclictest22766-21ntp_states07:45:240
1356399362,5cyclictest0-21swapper/010:47:560
235082351,30sleep123519-21ssh10:18:151
1356499353,28cyclictest0-21swapper/112:24:551
13564993528,4cyclictest22-21ksoftirqd/110:40:001
13564993524,9cyclictest22-21ksoftirqd/110:05:181
1356399354,5cyclictest81rcu_preempt11:17:300
1356399353,17cyclictest25796-21memory10:20:210
1356399352,30cyclictest0-21swapper/009:59:150
1356399352,30cyclictest0-21swapper/009:14:350
1356399351,6cyclictest0-21swapper/010:43:160
13563993514,6cyclictest3-21ksoftirqd/010:12:450
1356399351,22cyclictest13334-21ssh12:20:390
79372341,4sleep07945-21ssh11:41:590
13564993428,3cyclictest0-21swapper/110:12:551
1356499341,6cyclictest3985-21taskset12:11:061
1356499341,21cyclictest0-21swapper/111:18:391
13563993427,4cyclictest10712-21fschecks_count11:45:160
13563993425,5cyclictest0-21swapper/010:33:550
1356399341,7cyclictest23796-21ssh10:51:210
1356399341,6cyclictest0-21swapper/011:30:360
1356399341,6cyclictest0-21swapper/011:26:000
1356399341,5cyclictest25682-21ssh09:46:350
1356399341,30cyclictest0-21swapper/011:08:350
13563993410,5cyclictest50802rm11:39:520
1356499337,6cyclictest3302-21runrttasks07:41:291
1356499336,4cyclictest81rcu_preempt11:00:271
1356499335,7cyclictest0-21swapper/112:15:271
1356499334,4cyclictest81rcu_preempt09:57:041
13564993318,8cyclictest20479-21iostat_ios09:05:191
13564993317,5cyclictest22-21ksoftirqd/112:40:321
1356399334,4cyclictest81rcu_preempt10:58:030
1356399332,28cyclictest0-21swapper/012:19:160
1356399332,18cyclictest0-21swapper/012:10:170
1356399331,30cyclictest0-21swapper/012:01:160
77782321,5sleep00-21swapper/010:01:300
270602321,9sleep10-21swapper/107:56:311
231532321,27sleep08148-21kworker/0:009:44:580
1356499324,4cyclictest81rcu_preempt10:47:471
1356499323,4cyclictest81rcu_preempt09:13:421
1356499323,27cyclictest0-21swapper/111:05:361
1356499321,4cyclictest81rcu_preempt11:10:181
1356499321,29cyclictest0-21swapper/108:50:551
1356499321,27cyclictest6996-21ssh09:27:361
1356499321,27cyclictest5892-21fschecks_count11:40:161
1356499321,18cyclictest29571-21users11:30:291
1356399325,23cyclictest0-21swapper/011:01:460
1356399324,4cyclictest81rcu_preempt12:31:280
1356399324,4cyclictest81rcu_preempt09:37:260
1356399323,4cyclictest81rcu_preempt12:41:210
1356399323,13cyclictest0-21swapper/012:08:280
1356399321,29cyclictest0-21swapper/009:03:150
13563993212,6cyclictest21607-21ssh11:55:440
1356399321,19cyclictest31007-21chrt08:06:220
238072311,5sleep00-21swapper/007:50:090
228012311,4sleep181rcu_preempt12:30:301
1356499311,6cyclictest0-21swapper/110:34:161
1356499311,16cyclictest8884-21forks08:35:131
1356499311,15cyclictest0-21swapper/107:50:191
1356499311,13cyclictest29372ssh09:23:461
1356499310,4cyclictest81rcu_preempt12:45:311
1356399313,4cyclictest81rcu_preempt09:50:530
1356399312,13cyclictest0-21swapper/011:24:020
13563993116,12cyclictest3-21ksoftirqd/010:05:550
1356399311,4cyclictest0-21swapper/008:46:150
265432301,6sleep10-21swapper/110:55:081
1356499306,11cyclictest81rcu_preempt10:50:171
1356499303,4cyclictest81rcu_preempt10:42:561
1356499302,24cyclictest0-21swapper/110:25:301
1356499301,4cyclictest81rcu_preempt10:21:091
1356499301,4cyclictest81rcu_preempt08:43:231
1356499301,4cyclictest81rcu_preempt07:48:581
1356499301,27cyclictest0-21swapper/109:41:361
1356499301,14cyclictest0-21swapper/107:33:021
1356399307,10cyclictest0-21swapper/011:50:340
1356399303,3cyclictest81rcu_preempt12:46:120
1356399302,4cyclictest81rcu_preempt10:19:320
1356399302,14cyclictest14732-21hddtemp_smartct08:50:170
13563993019,3cyclictest40550irq/92-i91508:10:300
1356399301,4cyclictest81rcu_preempt09:26:540
1356399301,14cyclictest18028-21latency_hist07:35:010
13563993010,6cyclictest7830-21iostat10:35:180
204412291,5sleep10-21swapper/112:29:021
200172291,5sleep00-21swapper/007:40:020
198432291,5sleep00-21swapper/007:39:440
1356499295,12cyclictest40550irq/92-i91508:25:231
1356499291,26cyclictest0-21swapper/108:45:561
1356399293,8cyclictest0-21swapper/008:55:280
1356399293,24cyclictest0-21swapper/008:33:160
1356399292,15cyclictest3637-21memory08:20:210
1356399291,4cyclictest81rcu_preempt12:28:430
283982281,23sleep128424-21ntp_states08:00:251
1356499284,16cyclictest0-21swapper/108:34:091
1356499282,13cyclictest2645-21snmpd11:45:101
13564992817,8cyclictest22-21ksoftirqd/109:30:131
1356499281,4cyclictest81rcu_preempt08:59:531
1356499281,4cyclictest81rcu_preempt08:14:381
1356399288,6cyclictest10772-21diskstats08:40:150
1356399282,5cyclictest0-21swapper/008:15:420
1356399282,13cyclictest7641-21diskstats12:50:140
1356399281,14cyclictest28069-21/usr/sbin/munin08:00:170
1356499273,15cyclictest0-21swapper/108:18:451
1356499272,21cyclictest0-21swapper/108:05:291
1356499271,4cyclictest81rcu_preempt08:22:181
1356399278,6cyclictest20523-21grep09:05:210
1356399272,12cyclictest0-21swapper/008:35:250
13563992711,4cyclictest5516-21memory08:25:220
1356499241,10cyclictest2329-21NetworkManager09:00:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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