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2026-03-05 - 06:49
[ 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 all highest latencies:
System rack9slot4s (updated Thu Mar 05, 2026 00:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42229912351211,6cyclictest0-21swapper/119:26:241
42219910901062,18cyclictest0-21swapper/019:26:210
247226450,10sleep1201rcuc/119:20:091
34622563517,31sleep00-21swapper/019:20:240
52582910,4sleep1211ktimersoftd/121:35:271
17802830,8sleep0422199cyclictest22:05:240
287732770,3sleep028774-21sh00:46:560
316712750,7sleep0422199cyclictest22:35:430
4222997118,39cyclictest30261-21diskstats00:15:141
422299702,8cyclictest25987-21df_inode20:20:131
74802690,5sleep1422299cyclictest19:30:191
422299651,56cyclictest2309-21cron00:35:001
4222996417,29cyclictest22-21ksoftirqd/122:56:531
4222996316,30cyclictest22-21ksoftirqd/100:39:021
422299621,15cyclictest14783-21taskset22:19:211
422299612,13cyclictest27794-21ntp_states23:05:271
422299607,49cyclictest2309-21cron00:55:011
4222996015,38cyclictest14165-21diskstats23:25:131
422299601,15cyclictest11971-21seq19:40:561
422299592,11cyclictest4843-21iostat_ios23:15:191
108642590,8sleep1422299cyclictest23:55:141
108642590,8sleep1422299cyclictest23:55:131
422299582,7cyclictest27160-21iostat00:45:201
422299581,15cyclictest31176-21ssh22:02:161
422299571,6cyclictest11189-21kworker/1:022:34:081
422299571,15cyclictest14153-21taskset19:49:071
422299562,47cyclictest31927-21iostat_ios20:35:181
4222995612,5cyclictest3212-21runrttasks23:46:471
4222995611,4cyclictest0-21swapper/121:44:461
4222995611,4cyclictest0-21swapper/121:25:271
25052560,2sleep02501-21grep22:40:110
25052560,2sleep02501-21grep22:40:100
422299553,6cyclictest18572-21ssh21:15:291
422299552,8cyclictest18458-21df20:00:141
422299542,14cyclictest14497-21hddtemp_smartct21:45:171
422299541,7cyclictest2275-21ssh00:20:031
4222995411,4cyclictest0-21swapper/100:40:491
422299534,7cyclictest25415-21diskstats00:10:141
422299532,4cyclictest0-21swapper/121:14:021
4222995315,34cyclictest27850-21ssh21:59:301
422299531,4cyclictest0-21swapper/123:22:541
422299531,4cyclictest0-21swapper/123:22:541
4222995313,4cyclictest0-21swapper/123:38:341
4222995310,4cyclictest0-21swapper/123:54:521
4222995310,3cyclictest0-21swapper/123:11:231
4222995310,39cyclictest2142-21ls22:05:311
422299529,4cyclictest0-21swapper/100:27:261
422299529,3cyclictest0-21swapper/123:30:511
422299523,7cyclictest2645-21snmpd21:31:321
422299522,15cyclictest24496-21seq23:02:021
422299521,8cyclictest3302-21runrttasks22:25:231
4222995214,34cyclictest2645-21snmpd20:56:241
4222995212,35cyclictest5907-21aten_r4power_vo22:10:111
4222995210,3cyclictest0-21swapper/122:24:371
422299518,5cyclictest40550irq/92-i91520:15:171
422299516,6cyclictest40550irq/92-i91522:35:131
422299512,12cyclictest0-21swapper/122:46:091
4222995113,5cyclictest19016-21cstates21:50:121
4222995113,33cyclictest0-21swapper/121:21:451
4222995110,37cyclictest0-21swapper/100:02:041
422299509,37cyclictest103502chrt19:38:481
422299505,5cyclictest0-21swapper/123:43:321
422299504,8cyclictest20916-21iostat_ios00:05:191
422299504,8cyclictest1054-21diskstats20:40:131
422299503,15cyclictest11102-21/usr/sbin/munin21:05:231
422299502,12cyclictest2206-21dbus-daemon22:41:221
422299502,12cyclictest2206-21dbus-daemon22:41:211
422299501,5cyclictest14401-21/usr/sbin/munin19:50:101
4222995011,4cyclictest0-21swapper/120:10:331
422299498,5cyclictest40550irq/92-i91520:50:241
422299492,7cyclictest13664-21users22:50:281
4222994910,5cyclictest10183-21cat21:05:011
422299482,8cyclictest3302-21runrttasks20:28:011
422299481,5cyclictest20265-21cut20:05:121
422199481,15cyclictest10489-21ssh00:28:000
422299473,13cyclictest0-21swapper/120:45:231
422299472,14cyclictest17798-21sh19:58:011
4222994710,5cyclictest30562-21sed20:30:261
207332430,8sleep0422199cyclictest21:18:330
422199419,3cyclictest0-21swapper/022:48:360
176342390,2sleep017635-21ssh22:21:250
422199381,14cyclictest0-21swapper/021:58:360
422199377,13cyclictest1305-21hddtemp_smartct23:45:170
422199371,23cyclictest1677-21ssh00:53:340
422199367,4cyclictest81rcu_preempt00:15:240
422199361,30cyclictest17486-21cut22:55:150
4221993610,13cyclictest20455-21aten_r4power_vo22:25:120
244752361,31sleep024485-21ssh00:09:310
72692351,10sleep00-21swapper/021:37:460
422199356,14cyclictest30497-21gdbus20:19:460
422199356,13cyclictest29515-21cut20:30:080
422199353,30cyclictest0-21swapper/020:52:560
4221993513,6cyclictest14258-21ssh21:45:140
422199351,22cyclictest23037-21rm21:54:330
422199351,22cyclictest15379-21ssh23:25:350
296212351,30sleep029635-21ssh21:27:210
12952351,30sleep01355-21/usr/sbin/munin20:40:170
422199343,3cyclictest0-21swapper/023:21:160
422199343,3cyclictest0-21swapper/023:21:160
422199342,29cyclictest0-21swapper/023:02:350
422199342,28cyclictest0-21swapper/022:04:360
422199341,7cyclictest26063-21ssh21:24:110
152002341,29sleep015226-21ntp_states19:50:220
422199336,4cyclictest81rcu_preempt23:59:570
422199336,4cyclictest81rcu_preempt23:59:570
422199332,7cyclictest0-21swapper/022:15:470
4221993327,3cyclictest0-21swapper/023:41:160
422199331,20cyclictest19026-21chrt23:30:140
422199331,19cyclictest24627-21ssh23:35:260
422199331,10cyclictest0-21swapper/000:20:140
316302331,4sleep031644-21ssh21:30:020
422199325,4cyclictest81rcu_preempt00:41:480
422199324,4cyclictest81rcu_preempt22:54:370
422199324,4cyclictest81rcu_preempt00:36:140
422199323,27cyclictest0-21swapper/023:15:560
422199322,4cyclictest81rcu_preempt20:00:220
4221993222,6cyclictest28587-21ssh23:05:570
422199322,17cyclictest0-21swapper/000:03:450
4221993214,6cyclictest17103-21ntp_states19:55:230
4221993212,6cyclictest14240-21cron19:50:000
422199321,19cyclictest2403-21irqbalance20:46:050
4221993211,4cyclictest0-21swapper/021:43:580
108882321,27sleep010971-21memory21:05:200
422199313,4cyclictest81rcu_preempt22:13:260
422199313,15cyclictest6803-21df_inode20:55:140
422199303,16cyclictest0-21swapper/023:50:300
422199301,5cyclictest0-21swapper/020:10:160
422199301,26cyclictest0-21swapper/000:33:160
422199301,16cyclictest3907-21awk23:15:010
4221993011,5cyclictest25329-21ssh00:10:120
422199300,4cyclictest81rcu_preempt20:27:370
146832301,5sleep00-21swapper/021:11:520
422199293,13cyclictest8706-21diskstats21:00:150
422199292,14cyclictest9352-21iostat_ios19:35:180
4221992911,5cyclictest11251-21iostat_ios19:40:200
4221992910,6cyclictest25499-21df_inode22:30:120
214782291,5sleep00-21swapper/020:07:030
422199289,7cyclictest8394-21taskset19:32:590
422199289,5cyclictest26797-21timerandwakeup20:20:270
326712281,5sleep00-21swapper/020:36:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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