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2026-02-24 - 06:35
[ 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 Tue Feb 24, 2026 00:59:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
286839912041178,22cyclictest2645-21snmpd19:26:131
286829911421112,27cyclictest3286-21kworker/0:119:26:340
286022578531,32sleep10-21swapper/119:24:451
275112562517,30sleep00-21swapper/019:20:200
577421000,2sleep00-21swapper/021:45:000
123442930,23sleep03-21ksoftirqd/022:58:030
178482920,8sleep02868299cyclictest00:10:220
178482920,8sleep02868299cyclictest00:10:220
212672880,3sleep121259-21strings23:40:231
58762540,2sleep05875-21ssh23:58:110
312862500,3sleep041ktimersoftd/020:55:150
194942501,4sleep019509-21iostat_ios23:05:200
281742480,7sleep12868399cyclictest20:45:281
258962480,24sleep03-21ksoftirqd/022:38:550
28682994524,10cyclictest3302-21runrttasks00:51:160
181182440,4sleep12868399cyclictest20:20:141
28682994317,15cyclictest3-21ksoftirqd/000:35:370
28682994317,14cyclictest22085-21ssh23:40:490
28683994210,28cyclictest0-21swapper/121:54:151
28682994217,15cyclictest3-21ksoftirqd/000:01:000
28682994216,15cyclictest3-21ksoftirqd/021:31:510
28682994116,6cyclictest3-21ksoftirqd/023:52:220
28682994113,8cyclictest24441-21memory23:10:220
28682994023,7cyclictest0-21swapper/021:22:180
28682994019,6cyclictest3-21ksoftirqd/023:30:300
28683993915,12cyclictest40550irq/92-i91522:39:221
28682993925,5cyclictest16201-21ssh21:55:170
28682993918,6cyclictest3-21ksoftirqd/021:10:260
28682993915,6cyclictest3-21ksoftirqd/000:44:280
28682993915,15cyclictest3-21ksoftirqd/021:28:590
28682993914,7cyclictest3-21ksoftirqd/021:19:120
28682993913,9cyclictest5255-21irqstats19:45:210
2868299391,13cyclictest11917-21sendmail_mailqu21:50:260
316862381,33sleep04144-21diskmemload22:10:340
2868399389,13cyclictest0-21swapper/123:28:391
28683993819,16cyclictest16793-21ssh21:22:161
2868299389,14cyclictest861-21cut21:00:160
2868299389,14cyclictest861-21cut21:00:160
28682993826,7cyclictest313-21ntp_states22:45:280
28682993815,11cyclictest0-21swapper/022:07:390
28682993813,8cyclictest27927-21ntp_states22:40:260
117112381,33sleep111718-21ssh00:37:381
28683993729,6cyclictest0-21swapper/120:07:151
2868399372,30cyclictest0-21swapper/122:30:551
2868299378,6cyclictest19022-21grep20:20:290
28682993725,3cyclictest0-21swapper/020:36:160
28682993715,7cyclictest3-21ksoftirqd/023:37:520
28682993715,7cyclictest3-21ksoftirqd/021:39:520
28682993715,7cyclictest3-21ksoftirqd/021:39:510
28682993715,6cyclictest3-21ksoftirqd/022:00:310
28682993713,7cyclictest29932-21ntp_states20:50:240
28682993712,8cyclictest12469-21diskstats20:05:150
28682993711,8cyclictest736-21ssh00:25:490
28682993711,16cyclictest0-21swapper/000:47:500
52132361,31sleep15223-21ssh22:17:021
2868399369,8cyclictest0-21swapper/100:25:381
28683993627,5cyclictest0-21swapper/121:33:361
2868399362,5cyclictest0-21swapper/122:27:361
28683993624,9cyclictest10472-21ssh22:22:361
2868299369,14cyclictest0-21swapper/020:10:160
28682993627,6cyclictest7793-21cstates22:20:120
28682993616,7cyclictest28370-21ssh00:20:480
28682993615,6cyclictest3-21ksoftirqd/021:45:540
28682993613,7cyclictest4167-21users22:15:320
28682993612,7cyclictest31934-21iostat19:30:180
28682993612,7cyclictest26030-21memory20:40:220
28682993611,8cyclictest11129-21ntp_states20:00:250
28682993610,17cyclictest0-21swapper/022:29:080
167882361,4sleep04144-21diskmemload23:02:300
2868399355,13cyclictest0-21swapper/121:40:441
28683993525,6cyclictest21528-21ssh21:27:071
28683993522,10cyclictest0-21swapper/119:45:151
28683993511,8cyclictest22-21ksoftirqd/123:23:591
2868299359,8cyclictest4144-21diskmemload00:17:450
28682993524,9cyclictest0-21swapper/023:29:320
28682993512,7cyclictest20291-21iostat20:25:190
28682993511,7cyclictest4514-21perl00:30:170
28682993511,7cyclictest22175-21irqstats20:30:200
28682993510,8cyclictest9229-21ntp_states19:55:240
28682993510,15cyclictest0-21swapper/019:39:370
2868399342,28cyclictest0-21swapper/123:36:561
2868399341,5cyclictest28707-21ssh22:40:561
28683993413,8cyclictest22-21ksoftirqd/100:05:331
2868399341,30cyclictest0-21swapper/119:41:351
2868399341,29cyclictest27794-21ssh22:06:561
2868299349,8cyclictest32242-21ssh23:18:470
28682993424,6cyclictest13109-21cut00:05:230
28682993410,7cyclictest4848-21hddtemp_smartct22:50:170
28682993410,7cyclictest27908-21memory20:45:230
28682993410,7cyclictest2584-21ssh23:20:460
158332341,29sleep115847-21ssh00:41:341
2868399337,22cyclictest0-21swapper/122:58:131
2868399335,25cyclictest22-21ksoftirqd/100:45:371
2868399335,24cyclictest0-21swapper/100:20:091
2868399331,30cyclictest0-21swapper/121:02:361
2868399331,30cyclictest0-21swapper/121:02:361
28682993319,6cyclictest0-21swapper/022:31:500
28682993316,6cyclictest16370-21fschecks_time20:15:160
28682993312,6cyclictest0-21swapper/023:47:390
28682993310,7cyclictest4498-21munin-run19:45:000
28682993310,7cyclictest2894-21hddtemp_smartct21:05:170
14542331,4sleep1760-21/usr/sbin/munin19:35:241
2868399324,25cyclictest22-21ksoftirqd/123:06:171
28683993225,4cyclictest0-21swapper/123:34:551
2868399321,7cyclictest28607-21/usr/sbin/munin21:35:231
2868399321,7cyclictest28607-21/usr/sbin/munin21:35:231
28683993214,15cyclictest22-21ksoftirqd/123:51:361
2868399321,28cyclictest0-21swapper/100:54:551
2868299328,7cyclictest7238-21sed19:50:230
138092321,27sleep113847-21sendmail21:20:001
59572311,5sleep10-21swapper/121:45:101
2868399312,9cyclictest10590-21df_inode20:00:141
2868399312,16cyclictest0-21swapper/122:10:051
2868399311,7cyclictest26036-21wc20:40:221
2868399311,6cyclictest5976-21ssh21:10:401
28683993116,11cyclictest4144-21diskmemload22:46:561
2868399311,16cyclictest14237-21cstates23:00:131
228642311,5sleep10-21swapper/120:30:391
2868399306,4cyclictest40550irq/92-i91500:00:211
2868399303,23cyclictest0-21swapper/122:00:431
2868399301,9cyclictest5119-21awk00:30:281
2868399301,27cyclictest0-21swapper/121:55:351
187452301,5sleep10-21swapper/100:10:511
187452301,5sleep10-21swapper/100:10:501
172502301,5sleep10-21swapper/120:16:021
311972291,5sleep10-21swapper/123:17:181
289042291,5sleep10-21swapper/123:48:431
2868399299,5cyclictest40550irq/92-i91523:10:111
2868399298,4cyclictest40550irq/92-i91522:53:321
2868399297,5cyclictest40550irq/92-i91520:50:251
2868399297,5cyclictest40550irq/92-i91500:16:191
2868399294,7cyclictest2206-21dbus-daemon19:59:311
28683992919,6cyclictest32206-21unixbench_singl20:55:281
2868399291,8cyclictest3242-21iostat_ios23:55:201
2868399291,24cyclictest24051-21irqstats20:35:211
39472281,5sleep10-21swapper/121:08:101
2868399286,5cyclictest40550irq/92-i91519:50:231
2868399283,5cyclictest15005-21mailstats20:10:271
2868399277,5cyclictest40550irq/92-i91519:32:591
2868399275,5cyclictest40550irq/92-i91520:25:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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