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2026-02-23 - 23:28
[ 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 Mon Feb 23, 2026 12:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149369912341225,6cyclictest0-21swapper/107:26:281
149359911571141,13cyclictest0-21swapper/007:26:230
144652663615,32sleep10-21swapper/107:20:441
147942564517,31sleep00-21swapper/007:24:100
109022880,8sleep11493699cyclictest11:44:331
316682850,8sleep10-21swapper/112:05:231
162552850,7sleep01493599cyclictest12:23:010
38912790,9sleep11493699cyclictest12:10:171
2468525224,24sleep124695-21ssh11:58:291
100642510,10sleep11493699cyclictest12:50:301
256322440,7sleep00-21swapper/010:19:180
14935994311,3cyclictest0-21swapper/012:13:170
14936994122,4cyclictest22-21ksoftirqd/110:25:281
1493599417,31cyclictest0-21swapper/012:03:160
1493699407,5cyclictest81rcu_preempt10:38:241
92412391,33sleep08750-21/usr/sbin/munin12:50:170
45312390,4sleep1201rcuc/109:24:031
1493699396,29cyclictest0-21swapper/110:24:151
14935993927,8cyclictest0-21swapper/010:11:160
1493599392,21cyclictest1201-21irqstats09:20:220
1493599391,34cyclictest0-21swapper/012:49:560
14936993811,14cyclictest40550irq/92-i91508:05:161
1493599386,28cyclictest2309-21cron12:19:590
1493599384,19cyclictest629-21iostat_ios12:40:200
14935993814,14cyclictest3-21ksoftirqd/011:43:430
1493699372,31cyclictest20317-21diskstats09:40:151
1493699371,33cyclictest0-21swapper/112:18:161
14936993710,9cyclictest22-21ksoftirqd/111:39:351
1493599376,4cyclictest81rcu_preempt11:58:140
128172371,32sleep012828-21sh11:12:320
21382361,5sleep12645-21snmpd08:14:461
1493699366,4cyclictest81rcu_preempt11:45:121
1493599363,5cyclictest0-21swapper/011:19:150
14935993627,5cyclictest0-21swapper/009:59:560
184262350,10sleep11493699cyclictest12:25:151
1493699356,4cyclictest81rcu_preempt10:40:171
1493699355,5cyclictest81rcu_preempt09:58:191
1493699355,4cyclictest81rcu_preempt10:51:511
1493699354,9cyclictest81rcu_preempt12:22:561
1493699354,4cyclictest81rcu_preempt11:51:001
1493599355,5cyclictest81rcu_preempt12:30:260
1493599354,4cyclictest81rcu_preempt10:45:230
1493599352,29cyclictest0-21swapper/009:40:350
14935993510,12cyclictest12084-21cstates08:40:130
1493699349,21cyclictest0-21swapper/110:48:501
1493699344,4cyclictest81rcu_preempt09:15:041
14936993425,4cyclictest22-21ksoftirqd/110:05:211
1493699342,28cyclictest16261-21ntp_states09:35:411
1493699342,14cyclictest0-21swapper/112:49:071
1493699341,30cyclictest25471-21sh09:11:361
14935993424,6cyclictest2309-21cron12:10:000
1493599341,29cyclictest15449-21ssh09:35:150
296202331,5sleep00-21swapper/012:36:240
272322331,4sleep081rcu_preempt10:20:240
1493699335,3cyclictest81rcu_preempt12:39:511
1493699335,25cyclictest1968-21lldpad10:01:061
14936993324,5cyclictest17122-21ssh10:10:151
1493699332,28cyclictest0-21swapper/112:31:351
14936993317,12cyclictest22-21ksoftirqd/110:34:011
1493699331,30cyclictest0-21swapper/108:19:571
14935993326,5cyclictest0-21swapper/008:10:360
1493599332,26cyclictest3302-21runrttasks09:11:030
1493599332,16cyclictest0-21swapper/011:37:060
1493599331,30cyclictest0-21swapper/007:53:550
1493599331,29cyclictest28430-21ssh09:15:150
323032320,3sleep1201rcuc/110:59:461
276362321,4sleep027665-21munin-run10:55:000
187952321,5sleep10-21swapper/111:19:151
1493699324,4cyclictest81rcu_preempt12:44:561
1493699323,5cyclictest81rcu_preempt08:50:161
1493699323,4cyclictest81rcu_preempt09:27:001
1493699323,4cyclictest81rcu_preempt09:26:591
14936993225,5cyclictest0-21swapper/107:36:561
1493699321,4cyclictest81rcu_preempt11:06:161
1493699321,4cyclictest81rcu_preempt08:22:311
14936993214,8cyclictest22-21ksoftirqd/111:02:081
1493699321,29cyclictest0-21swapper/108:03:561
1493699321,19cyclictest32334-21ssh09:52:151
1493699321,17cyclictest6804-21irqstats08:25:201
1493699321,12cyclictest0-21swapper/112:00:291
1493599329,19cyclictest0-21swapper/011:51:050
1493599327,12cyclictest14562-21awk08:45:250
1493599326,22cyclictest0-21swapper/009:30:340
1493599323,5cyclictest81rcu_preempt10:02:370
1493599323,15cyclictest3693-21users08:15:290
14935993216,4cyclictest3-21ksoftirqd/011:00:280
1493599321,5cyclictest81rcu_preempt08:25:280
1493599321,28cyclictest0-21swapper/010:26:370
1493599321,19cyclictest14934-21ssh10:07:500
1493699311,4cyclictest81rcu_preempt09:02:151
1493699311,4cyclictest81rcu_preempt08:49:201
1493699311,4cyclictest81rcu_preempt08:38:131
1493699311,11cyclictest0-21swapper/109:45:521
14935993122,5cyclictest28249-21df_inode10:55:160
1493599312,15cyclictest24460-21/usr/sbin/munin11:25:160
1493599312,12cyclictest30497-21gdbus07:49:300
1493599311,4cyclictest81rcu_preempt10:41:190
1493599311,4cyclictest81rcu_preempt09:27:470
1493599311,4cyclictest81rcu_preempt09:27:470
14935993112,5cyclictest11364-21ssh10:37:240
1493599311,16cyclictest5596-21/usr/sbin/munin08:20:300
80892301,5sleep00-21swapper/011:07:370
287522301,5sleep00-21swapper/007:57:550
287032301,5sleep10-21swapper/107:57:231
196722301,6sleep10-21swapper/111:20:111
1493699304,4cyclictest81rcu_preempt07:32:391
1493699301,4cyclictest81rcu_preempt11:12:361
1493699301,4cyclictest81rcu_preempt10:15:121
1493599305,4cyclictest81rcu_preempt09:00:160
1493599303,4cyclictest81rcu_preempt09:49:590
1493599301,3cyclictest0-21swapper/011:45:150
1493599301,27cyclictest0-21swapper/009:51:560
1493599301,27cyclictest0-21swapper/008:04:560
1493599301,26cyclictest5282-21ssh10:30:360
1493599301,18cyclictest22985-21diskmemload11:34:560
1493599301,13cyclictest9805-21latency_hist08:35:010
226772291,5sleep00-21swapper/009:06:580
174822291,5sleep00-21swapper/008:55:080
1493699299,6cyclictest30497-21gdbus09:09:361
1493699294,5cyclictest81rcu_preempt09:31:481
14936992922,5cyclictest138250irq/90-eth011:30:111
1493699291,4cyclictest81rcu_preempt11:27:441
1493599294,8cyclictest18560-21iostat_ios12:25:180
1493599292,13cyclictest20139-21irqstats07:35:210
1493599291,4cyclictest81rcu_preempt11:20:010
14935992911,6cyclictest15904-21diskstats08:50:140
1493699283,4cyclictest81rcu_preempt07:48:541
1493599284,6cyclictest31321-21entropy08:05:160
1493599282,13cyclictest18219-21irqstats07:30:200
1493599281,13cyclictest10022-21seq08:35:120
266282271,5sleep10-21swapper/107:52:171
1493699276,5cyclictest17840-21cut08:55:161
1493699273,12cyclictest81rcu_preempt07:40:311
1493699271,13cyclictest8079-21/usr/sbin/munin08:30:241
1493599271,13cyclictest30497-21gdbus07:41:260
1493699260,4cyclictest81rcu_preempt08:40:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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