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2026-01-24 - 06:59
[ 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 the highest latencies:
System rack9slot4s (updated Sat Jan 24, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
88529912741233,28cyclictest9487-21hddtemp_smartct19:25:170
88539911701151,16cyclictest27353-21ssh21:20:201
88539911381110,24cyclictest9289-21df_inode19:25:151
79672502456,31sleep00-21swapper/019:20:280
85302465419,31sleep10-21swapper/119:22:151
88529915099,40cyclictest27349-21irqstats21:20:200
87602880,3sleep00-21swapper/000:20:270
195362830,8sleep0885299cyclictest21:12:110
122092750,8sleep0885299cyclictest23:50:300
240642610,8sleep1885399cyclictest21:50:181
240642610,8sleep1885399cyclictest21:50:171
82232600,7sleep1885399cyclictest00:20:171
8853995718,6cyclictest22-21ksoftirqd/123:05:111
8853995717,7cyclictest22-21ksoftirqd/123:45:211
8853995617,6cyclictest22-21ksoftirqd/123:15:261
180562560,7sleep0885299cyclictest22:50:240
8853995518,5cyclictest22-21ksoftirqd/122:05:251
8853995516,6cyclictest22-21ksoftirqd/121:15:191
8853995513,7cyclictest22-21ksoftirqd/122:34:171
8853995417,6cyclictest22-21ksoftirqd/120:25:271
8853995416,8cyclictest22-21ksoftirqd/119:50:211
8853995416,6cyclictest22-21ksoftirqd/121:10:281
8853995415,6cyclictest22-21ksoftirqd/123:55:191
885399538,6cyclictest22-21ksoftirqd/100:18:231
885399538,5cyclictest22-21ksoftirqd/122:25:541
885399537,6cyclictest22-21ksoftirqd/121:25:481
8853995316,6cyclictest22-21ksoftirqd/123:30:221
8853995316,6cyclictest22-21ksoftirqd/120:30:241
8853995316,6cyclictest22-21ksoftirqd/100:41:431
8853995316,6cyclictest22-21ksoftirqd/100:30:281
8853995316,5cyclictest22-21ksoftirqd/122:50:141
8853995316,18cyclictest22-21ksoftirqd/100:00:221
8853995315,6cyclictest22-21ksoftirqd/122:00:161
8853995315,6cyclictest22-21ksoftirqd/121:45:271
8853995315,6cyclictest22-21ksoftirqd/100:25:171
8853995315,6cyclictest22-21ksoftirqd/100:05:291
8853995313,4cyclictest22-21ksoftirqd/122:19:441
885399528,6cyclictest22-21ksoftirqd/122:35:431
885399528,6cyclictest22-21ksoftirqd/100:11:061
885399526,6cyclictest22-21ksoftirqd/100:45:461
8853995215,6cyclictest22-21ksoftirqd/119:30:221
8853995214,6cyclictest22-21ksoftirqd/120:10:171
885399517,6cyclictest22-21ksoftirqd/122:45:461
885399517,6cyclictest22-21ksoftirqd/100:37:031
885399516,6cyclictest22-21ksoftirqd/123:35:431
885399516,6cyclictest22-21ksoftirqd/122:57:521
885399516,5cyclictest22-21ksoftirqd/123:26:551
885399515,6cyclictest22-21ksoftirqd/123:44:341
8853995123,5cyclictest22-21ksoftirqd/122:42:391
8853995114,8cyclictest22-21ksoftirqd/120:55:301
8853995114,6cyclictest22-21ksoftirqd/120:35:151
8853995113,6cyclictest22-21ksoftirqd/123:23:421
8853995113,6cyclictest22-21ksoftirqd/121:55:231
8853995014,5cyclictest22-21ksoftirqd/121:40:241
8853995014,5cyclictest22-21ksoftirqd/100:53:421
8853995013,6cyclictest22-21ksoftirqd/121:30:171
8853995013,6cyclictest22-21ksoftirqd/119:45:291
8853994915,6cyclictest22-21ksoftirqd/120:50:271
8853994914,6cyclictest22-21ksoftirqd/122:20:061
8853994914,6cyclictest22-21ksoftirqd/120:15:161
8853994914,6cyclictest22-21ksoftirqd/120:00:251
8853994818,4cyclictest22-21ksoftirqd/123:52:141
8853994813,6cyclictest22-21ksoftirqd/119:40:231
8853994812,5cyclictest22-21ksoftirqd/122:12:281
8853994811,6cyclictest22-21ksoftirqd/123:11:081
8853994512,6cyclictest22-21ksoftirqd/121:00:101
885399448,5cyclictest22-21ksoftirqd/121:38:221
8853994426,5cyclictest22-21ksoftirqd/120:05:101
8853994422,4cyclictest22-21ksoftirqd/120:45:171
8853994414,9cyclictest22-21ksoftirqd/123:03:141
8853994414,9cyclictest22-21ksoftirqd/123:03:131
8853994410,5cyclictest22-21ksoftirqd/119:56:501
237122440,8sleep0885299cyclictest00:03:030
885399436,5cyclictest22-21ksoftirqd/120:20:111
8853994325,4cyclictest22-21ksoftirqd/119:35:291
8853994321,12cyclictest22-21ksoftirqd/120:40:111
885299431,12cyclictest0-21swapper/022:48:200
165602430,5sleep016554-21ssh23:55:250
8853994020,4cyclictest22-21ksoftirqd/121:05:111
885299409,27cyclictest0-21swapper/023:11:360
8852994012,4cyclictest3-21ksoftirqd/023:07:200
885299393,32cyclictest0-21swapper/022:26:150
8852993829,5cyclictest0-21swapper/022:35:350
885299378,4cyclictest81rcu_preempt22:40:380
885299371,8cyclictest0-21swapper/020:24:250
885299365,4cyclictest81rcu_preempt22:30:150
885299362,18cyclictest0-21swapper/021:48:510
8852993615,11cyclictest0-21swapper/000:29:030
8852993614,8cyclictest3-21ksoftirqd/022:10:100
8852993612,12cyclictest0-21swapper/023:37:270
299852361,5sleep00-21swapper/020:18:190
885299356,4cyclictest81rcu_preempt22:06:580
885299345,4cyclictest81rcu_preempt20:42:170
885299344,4cyclictest81rcu_preempt00:32:310
885299342,7cyclictest0-21swapper/022:20:560
885299342,4cyclictest81rcu_preempt23:32:400
885299342,29cyclictest0-21swapper/023:01:360
885299342,29cyclictest0-21swapper/023:01:360
885299342,19cyclictest0-21swapper/021:20:010
8852993418,4cyclictest3-21ksoftirqd/021:26:360
8852993414,4cyclictest3-21ksoftirqd/000:05:270
885299341,14cyclictest1606-21iostat_ios23:40:190
227992341,5sleep022826-21iostat_ios00:35:200
885299338,4cyclictest81rcu_preempt22:00:260
885299337,23cyclictest0-21swapper/021:36:100
885299334,4cyclictest81rcu_preempt00:16:160
885299332,4cyclictest81rcu_preempt23:27:430
885299332,28cyclictest0-21swapper/023:45:350
885299332,28cyclictest0-21swapper/022:57:360
8852993318,12cyclictest3-21ksoftirqd/020:51:280
885299331,28cyclictest2403-21irqbalance23:20:150
885299331,18cyclictest4596-21sort00:50:270
885299325,8cyclictest4940-21ssh21:30:220
885299325,4cyclictest81rcu_preempt00:48:570
885299324,4cyclictest81rcu_preempt21:59:100
885299323,4cyclictest81rcu_preempt22:15:050
885299323,4cyclictest81rcu_preempt21:41:500
885299321,29cyclictest0-21swapper/019:48:550
885299311,4cyclictest81rcu_preempt20:55:160
885299311,18cyclictest13630-21interrupts21:00:180
326182311,5sleep00-21swapper/000:11:530
237452311,24sleep023764-21diskstats21:50:140
237452311,24sleep023764-21diskstats21:50:140
885299302,13cyclictest15130-21munin-run19:40:010
8852993015,12cyclictest3-21ksoftirqd/000:40:530
885299301,3cyclictest0-21swapper/020:11:150
885299301,15cyclictest7395-21/usr/sbin/munin20:45:250
8852993011,15cyclictest9200-21grep23:15:100
885299293,13cyclictest15515-21iostat_ios21:05:180
885299291,8cyclictest0-21swapper/019:40:240
31262291,5sleep00-21swapper/020:31:430
263272291,5sleep00-21swapper/020:09:210
8852992821,5cyclictest0-21swapper/019:31:160
885299282,13cyclictest3902-21df20:35:120
8852992811,5cyclictest30497-21gdbus19:59:110
241082281,5sleep00-21swapper/020:00:490
11982281,5sleep00-21swapper/020:27:160
885299272,12cyclictest19862-21ntp_states19:50:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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