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2026-03-02 - 23:07
[ 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 #3, slot #6

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6s.osadl.org (updated Mon Mar 02, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8431211996,18sleep10-21swapper/107:07:201
84122119102,12sleep20-21swapper/207:07:052
84752115104,6sleep30-21swapper/307:07:543
85302114103,6sleep00-21swapper/007:08:350
247892870,1sleep124788-21turbostat.cron10:50:001
106762860,1sleep30-21swapper/311:08:133
246332810,1sleep20-21swapper/210:15:172
96292710,0sleep00-21swapper/011:06:350
270652710,0sleep00-21swapper/010:50:590
249992710,0sleep00-21swapper/011:23:060
283782700,4sleep3866799cyclictest12:33:443
37692690,1sleep13772-21ntp_offset08:15:191
266092680,0sleep00-21swapper/012:30:560
40412590,1sleep10-21swapper/112:08:401
219122530,1sleep00-21swapper/010:45:300
866699260,2cyclictest0-21swapper/208:55:122
866699260,2cyclictest0-21swapper/208:55:122
34482250,1sleep3381ktimersoftd/309:54:263
137592250,0sleep00-21swapper/012:18:290
866799220,20cyclictest0-21swapper/307:55:133
866699210,4cyclictest0-21swapper/212:17:042
866699210,16cyclictest0-21swapper/210:58:042
196322210,1sleep00-21swapper/011:17:080
8666992017,2cyclictest9282-21kworker/u8:009:26:042
8666992017,2cyclictest4434-21kworker/u8:012:14:042
866699201,18cyclictest0-21swapper/210:32:042
8666991916,2cyclictest9282-21kworker/u8:009:10:052
8666991916,2cyclictest8181-21kworker/u8:310:36:042
8666991916,2cyclictest30317-21kworker/u8:209:18:042
8666991916,2cyclictest29085-21kworker/u8:212:35:042
8666991916,2cyclictest24423-21kworker/u8:007:11:042
8666991916,2cyclictest17024-21kworker/u8:207:45:042
866699190,14cyclictest0-21swapper/211:21:042
8666991815,2cyclictest2943-21kworker/u8:008:19:052
8666991815,2cyclictest21165-21kworker/u8:109:51:042
8666991815,2cyclictest18527-21kworker/u8:112:32:052
8666991815,2cyclictest18527-21kworker/u8:111:58:042
8666991815,2cyclictest11722-21kworker/u8:010:13:042
866699180,13cyclictest0-21swapper/211:53:042
866799170,15cyclictest0-21swapper/307:35:123
866699172,8cyclictest0-21swapper/207:24:042
8666991714,2cyclictest9282-21kworker/u8:009:23:042
8666991714,2cyclictest6797-21kworker/u8:111:43:052
8666991714,2cyclictest30821-21kworker/u8:008:07:042
8666991714,2cyclictest2943-21kworker/u8:008:20:042
8666991714,2cyclictest18914-21kworker/u8:110:21:042
8666991714,2cyclictest13012-21kworker/u8:107:39:042
8666991714,2cyclictest12682-21kworker/u8:212:22:042
8666991714,2cyclictest12432-21kworker/u8:011:45:032
8666991714,2cyclictest11722-21kworker/u8:010:09:042
8666991714,2cyclictest11319-21kworker/u8:311:11:032
866799162,13cyclictest37-21rcuc/312:06:343
8666991613,2cyclictest9282-21kworker/u8:008:34:042
8666991613,2cyclictest8181-21kworker/u8:310:52:052
8666991613,2cyclictest31344-21kworker/u8:212:06:052
8666991613,2cyclictest30821-21kworker/u8:008:10:042
8666991613,2cyclictest28304-21kworker/u8:208:01:042
8666991613,2cyclictest2319-21kworker/u8:207:18:042
8666991613,2cyclictest14576-21kworker/u8:209:40:042
8666991613,2cyclictest13012-21kworker/u8:107:28:052
866699160,2cyclictest0-21swapper/209:57:042
866699160,14cyclictest28347-21munin-node2
866599161,3cyclictest0-21swapper/112:10:151
866599161,13cyclictest26306-21popularity-cont07:50:451
866799151,2cyclictest37-21rcuc/311:04:153
8667991512,2cyclictest381ktimersoftd/310:09:543
8667991512,2cyclictest37-21rcuc/307:50:503
866799151,12cyclictest381ktimersoftd/308:30:163
866799150,13cyclictest0-21swapper/311:30:003
866799150,13cyclictest0-21swapper/307:45:043
866699152,9cyclictest0-21swapper/209:03:052
866699151,3cyclictest0-21swapper/211:28:482
8666991512,2cyclictest15181-21kworker/u8:308:46:042
8666991512,2cyclictest14576-21kworker/u8:209:33:042
8666991512,2cyclictest13012-21kworker/u8:107:30:042
866699150,3cyclictest0-21swapper/211:05:182
866699150,2cyclictest0-21swapper/210:00:052
866699150,10cyclictest0-21swapper/211:15:052
866599152,7cyclictest0-21swapper/110:45:011
866599152,7cyclictest0-21swapper/107:40:001
866599151,3cyclictest20571-21ssh11:51:251
866599151,3cyclictest10260-21sensors_temp08:30:241
8665991510,3cyclictest0-21swapper/111:36:541
866499151,12cyclictest0-21swapper/011:40:180
8664991511,2cyclictest0-21swapper/010:10:440
8667991411,2cyclictest39-21ksoftirqd/309:55:283
8667991411,2cyclictest39-21ksoftirqd/309:38:023
8667991411,2cyclictest381ktimersoftd/311:30:133
8667991411,2cyclictest381ktimersoftd/310:50:053
8667991411,2cyclictest37-21rcuc/311:50:433
8667991411,2cyclictest37-21rcuc/311:24:563
866799141,12cyclictest37-21rcuc/308:25:123
866799141,12cyclictest30660-21ssh12:35:253
866799141,11cyclictest31058-21ssh09:49:283
866799140,2cyclictest0-21swapper/311:55:053
866799140,13cyclictest381ktimersoftd/311:12:533
866799140,12cyclictest28653-21ssh09:13:073
866799140,12cyclictest0-21swapper/312:00:293
866799140,12cyclictest0-21swapper/310:41:463
866799140,12cyclictest0-21swapper/310:37:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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