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2026-01-15 - 05:49
[ 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 376 highest latencies:
System rack9slot4s (updated Thu Jan 15, 2026 00:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
276299911281109,16cyclictest3868-21ssh21:10:151
276299910961065,27cyclictest27772-21/usr/sbin/munin19:25:101
271582693650,28sleep10-21swapper/119:20:381
269402491446,30sleep00-21swapper/019:20:260
2762899221203,12cyclictest0-21swapper/019:25:110
1684921160,7sleep00-21swapper/000:44:060
276289910360,16cyclictest3880-21perl21:10:150
131682990,9sleep12762999cyclictest21:20:131
281432890,8sleep02762899cyclictest20:50:110
2762999497,6cyclictest22-21ksoftirqd/121:29:291
27629994920,4cyclictest22-21ksoftirqd/123:34:341
27629994914,5cyclictest22-21ksoftirqd/123:08:221
2762999488,6cyclictest22-21ksoftirqd/122:40:201
2762999487,4cyclictest22-21ksoftirqd/100:02:411
2762999479,6cyclictest22-21ksoftirqd/123:55:141
2762999479,6cyclictest22-21ksoftirqd/123:45:181
2762999471,7cyclictest22-21ksoftirqd/123:51:331
2762999471,7cyclictest22-21ksoftirqd/122:46:461
2762999471,7cyclictest22-21ksoftirqd/121:46:451
2762999471,6cyclictest22-21ksoftirqd/123:42:421
2762999471,6cyclictest22-21ksoftirqd/122:36:551
2762999471,6cyclictest22-21ksoftirqd/122:09:231
2762999471,6cyclictest22-21ksoftirqd/121:58:541
2762999471,6cyclictest22-21ksoftirqd/121:30:501
2762999471,15cyclictest22-21ksoftirqd/123:24:421
2762999471,15cyclictest22-21ksoftirqd/123:24:411
2762999469,6cyclictest22-21ksoftirqd/100:20:171
2762999467,6cyclictest22-21ksoftirqd/121:35:221
2762999462,6cyclictest22-21ksoftirqd/122:55:581
2762999461,7cyclictest22-21ksoftirqd/123:16:371
2762999461,6cyclictest22-21ksoftirqd/123:36:551
2762999461,6cyclictest22-21ksoftirqd/123:25:561
2762999461,6cyclictest22-21ksoftirqd/122:53:181
2762999461,6cyclictest22-21ksoftirqd/121:51:241
2762999461,6cyclictest22-21ksoftirqd/121:42:401
2762999461,6cyclictest22-21ksoftirqd/100:05:571
27629994610,6cyclictest22-21ksoftirqd/120:20:121
27629994610,5cyclictest22-21ksoftirqd/119:55:251
27629994516,9cyclictest22-21ksoftirqd/100:10:281
27629994512,6cyclictest22-21ksoftirqd/122:15:461
27629994512,10cyclictest22-21ksoftirqd/120:05:121
2762999448,6cyclictest22-21ksoftirqd/100:30:101
2762999447,5cyclictest22-21ksoftirqd/100:15:301
27629994423,4cyclictest22-21ksoftirqd/100:51:151
27629994420,11cyclictest22-21ksoftirqd/120:40:101
27629994417,4cyclictest22-21ksoftirqd/123:02:571
27629994413,4cyclictest22-21ksoftirqd/100:41:311
2762999436,4cyclictest81rcu_preempt22:20:111
2762999436,16cyclictest22-21ksoftirqd/121:00:181
2762999435,12cyclictest22-21ksoftirqd/122:14:101
27629994322,4cyclictest22-21ksoftirqd/122:04:331
27629994310,6cyclictest22-21ksoftirqd/121:16:331
2762999427,6cyclictest22-21ksoftirqd/120:25:321
2762999426,5cyclictest22-21ksoftirqd/123:10:211
2762999426,4cyclictest81rcu_preempt19:50:261
232332420,4sleep1211ktimersoftd/120:35:251
2762999415,6cyclictest22-21ksoftirqd/100:45:581
27629994122,4cyclictest22-21ksoftirqd/122:32:231
27629994115,4cyclictest22-21ksoftirqd/100:35:151
27629994114,5cyclictest22-21ksoftirqd/122:27:531
27629994110,10cyclictest22-21ksoftirqd/121:05:241
27629994110,10cyclictest22-21ksoftirqd/119:30:251
27629994110,10cyclictest22-21ksoftirqd/100:25:021
27628994110,11cyclictest18673-21ssh22:31:460
2762999406,4cyclictest81rcu_preempt20:50:251
2762999406,4cyclictest81rcu_preempt19:36:001
27629994020,8cyclictest22-21ksoftirqd/120:00:211
27629994013,4cyclictest22-21ksoftirqd/119:45:281
178822401,35sleep017893-21ssh21:25:080
2762999393,4cyclictest81rcu_preempt20:30:281
2762899398,3cyclictest0-21swapper/000:19:150
27629993816,4cyclictest22-21ksoftirqd/120:18:261
2762899383,31cyclictest0-21swapper/023:08:350
2762899382,18cyclictest0-21swapper/000:03:530
122872381,33sleep03079-21diskmemload21:51:560
27629993722,4cyclictest22-21ksoftirqd/120:45:171
2762999371,6cyclictest30488-21if_eth020:55:171
27629993716,4cyclictest22-21ksoftirqd/120:10:181
2762899376,18cyclictest15603-21ntp_offset23:35:230
78402361,31sleep00-21swapper/019:55:160
27629993620,4cyclictest22-21ksoftirqd/119:40:181
2762899367,26cyclictest2572-21cron21:42:000
2762899365,13cyclictest81rcu_preempt23:25:190
27628993626,6cyclictest30261-21proc_pri22:10:270
2762899361,22cyclictest13077-21ssh22:25:400
2762899356,26cyclictest3-21ksoftirqd/000:30:380
2762899354,13cyclictest81rcu_preempt22:03:240
2762899352,29cyclictest0-21swapper/022:38:350
2762899351,21cyclictest23480-21ssh23:10:180
2762899351,12cyclictest282752sh00:21:460
311292341,4sleep030288-21/usr/sbin/munin19:30:260
2762899347,5cyclictest81rcu_preempt22:43:580
2762899346,5cyclictest81rcu_preempt21:45:300
2762899344,5cyclictest81rcu_preempt00:40:000
2762899344,4cyclictest81rcu_preempt23:22:560
2762899344,4cyclictest81rcu_preempt23:22:550
27628993426,4cyclictest3-21ksoftirqd/021:21:100
2762899342,16cyclictest28052-21grep21:35:150
2762899341,5cyclictest3-21ksoftirqd/022:19:420
27628993413,7cyclictest3302-21runrttasks22:59:440
2762899341,30cyclictest18103-21fschecks_time00:45:160
2762899341,29cyclictest14668-21ssh23:00:350
50412331,4sleep05042-21sshd19:47:150
2762899339,9cyclictest0-21swapper/021:15:150
2762899337,11cyclictest29714-21fschecks_time23:50:160
2762899332,28cyclictest0-21swapper/021:34:360
2762899332,18cyclictest0-21swapper/022:54:200
2762899331,5cyclictest9132-21cron22:22:000
2762899331,4cyclictest81rcu_preempt23:59:470
2762899331,4cyclictest81rcu_preempt23:47:160
2762899331,29cyclictest0-21swapper/000:09:550
2762899331,20cyclictest15640-21chrt21:55:240
2762899331,11cyclictest28423-21kworker/0:022:45:020
251442331,28sleep025234-21grep20:40:250
15092331,5sleep00-21swapper/000:28:010
2762899322,4cyclictest81rcu_preempt23:18:450
2762899321,4cyclictest2309-21cron22:09:590
27628993213,15cyclictest0-21swapper/023:42:190
2762899321,29cyclictest0-21swapper/020:06:360
2762899311,4cyclictest81rcu_preempt20:29:000
2762899311,4cyclictest81rcu_preempt20:01:210
27628993114,14cyclictest3-21ksoftirqd/000:14:340
2762899311,28cyclictest0-21swapper/020:47:360
27628993112,6cyclictest13278-21df20:10:120
27628993111,7cyclictest24589-21ssh00:53:090
125472311,5sleep00-21swapper/023:32:190
2762899305,13cyclictest2206-21dbus-daemon19:44:560
27628993023,5cyclictest0-21swapper/021:06:150
2762899301,27cyclictest0-21swapper/020:36:560
27628993012,5cyclictest15702-21ntp_states20:15:240
27628992911,5cyclictest29999-21aten_r4power_po20:55:100
27628992911,5cyclictest17606-21ntp_states20:20:250
2762899287,5cyclictest30496-21packagekitd19:52:060
2762899283,12cyclictest32663-21hddtemp_smartct19:35:150
27628992812,5cyclictest32048-21cstates21:00:120
214782271,4sleep021543-21smartctl20:30:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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