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2026-02-20 - 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 #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 Fri Feb 20, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2056621420,4sleep23127899cyclictest21:48:292
30901212398,20sleep00-21swapper/019:05:330
31235211592,18sleep10-21swapper/119:09:491
31163211290,16sleep30-21swapper/319:08:553
30981211294,12sleep20-21swapper/219:06:342
76292810,0sleep20-21swapper/200:21:092
47312740,1sleep10-21swapper/122:39:101
173182710,0sleep10-21swapper/122:18:221
65992700,0sleep30-21swapper/322:07:023
65992700,0sleep30-21swapper/322:07:023
300942700,0sleep10-21swapper/121:58:141
146782600,1sleep30-21swapper/322:49:223
298962290,1sleep3381ktimersoftd/323:05:103
3127699260,18cyclictest0-21swapper/021:00:110
3127999255,18cyclictest15099-21diskmemload21:55:113
235392230,0sleep10-21swapper/121:18:051
3127999220,3cyclictest22664-21timerwakeupswit20:05:253
3127999210,3cyclictest7186-21sed22:40:253
3127999210,3cyclictest609-21aten2.4_r3power00:15:133
3127999210,3cyclictest5297-21wc20:45:133
3127999210,3cyclictest4006-21ssh21:30:373
3127999210,3cyclictest3063-21hostname20:40:133
3127999210,3cyclictest27465-21hostname20:20:133
3127999210,3cyclictest24484-21ssh22:59:373
3127999210,3cyclictest15307-21ssh21:10:013
3127999210,3cyclictest13861-21ssh00:28:213
3127999210,3cyclictest0-21swapper/323:30:173
3127999210,3cyclictest0-21swapper/322:25:133
3127999210,3cyclictest0-21swapper/322:15:253
3127999210,13cyclictest0-21swapper/323:19:283
3127699210,16cyclictest0-21swapper/021:37:040
3127699210,16cyclictest0-21swapper/021:06:040
3127699210,16cyclictest0-21swapper/019:56:040
3127699210,15cyclictest0-21swapper/020:51:050
3127999201,3cyclictest15099-21diskmemload23:35:133
3127999200,3cyclictest31928-21df_abs22:00:133
3127999200,3cyclictest26046-21sh23:00:213
3127999200,3cyclictest25688-21ssh21:53:533
3127999200,3cyclictest25519-21sed21:20:133
3127999200,3cyclictest23720-21ssh00:38:413
3127999200,3cyclictest21898-21ssh22:22:573
3127999200,3cyclictest15965-21ssh00:30:173
3127999200,3cyclictest0-21swapper/323:57:213
3127999200,3cyclictest0-21swapper/320:50:133
3127999200,3cyclictest0-21swapper/320:25:253
3127999200,3cyclictest0-21swapper/319:50:183
3127999200,3cyclictest0-21swapper/319:10:133
3127999200,2cyclictest20570-21ssh21:48:293
3127999200,2cyclictest0-21swapper/321:00:133
3127999200,2cyclictest0-21swapper/300:00:133
3127999200,12cyclictest16515-21seq23:24:473
3127799200,2cyclictest0-21swapper/120:20:131
3127699200,2cyclictest0-21swapper/023:40:100
3127699200,15cyclictest0-21swapper/023:11:040
3127699200,15cyclictest0-21swapper/023:02:050
3127699200,15cyclictest0-21swapper/022:47:040
3127999190,4cyclictest0-21swapper/300:06:373
3127999190,3cyclictest9859-21awk20:55:173
3127999190,3cyclictest9029-21ssh21:35:373
3127999190,3cyclictest320-21sshd21:27:253
3127999190,3cyclictest17568-21ssh22:51:223
3127999190,3cyclictest1687-21ssh23:42:093
3127999190,3cyclictest14775-21ssh21:42:013
3127999190,3cyclictest0-21swapper/323:45:173
3127999190,3cyclictest0-21swapper/322:35:133
3127999190,3cyclictest0-21swapper/319:45:253
3127999190,3cyclictest0-21swapper/319:18:093
3127999190,2cyclictest0-21swapper/323:10:133
3127999190,12cyclictest0-21swapper/323:27:203
31278991916,2cyclictest4717-21kworker/u8:019:24:042
31278991916,2cyclictest11349-21kworker/u8:119:58:042
3127699190,14cyclictest0-21swapper/023:34:050
3127699190,14cyclictest0-21swapper/023:05:050
3127699190,14cyclictest0-21swapper/022:01:040
220112190,1sleep1221ktimersoftd/122:23:071
3127999180,3cyclictest7458-21runrttasks19:55:453
3127999180,3cyclictest30582-21ssh22:31:253
3127999180,3cyclictest24886-21sshd20:11:253
3127999180,3cyclictest0-21swapper/321:05:133
3127999180,3cyclictest0-21swapper/300:11:253
3127999180,2cyclictest0-21swapper/323:53:213
3127999180,2cyclictest0-21swapper/300:23:193
3127899182,2cyclictest0-21swapper/223:00:052
31278991815,2cyclictest7371-21kworker/u8:219:38:042
31278991815,2cyclictest4717-21kworker/u8:019:42:042
31278991815,2cyclictest4717-21kworker/u8:019:34:042
31278991815,2cyclictest3211-21kworker/u8:020:43:052
31278991815,2cyclictest15458-21kworker/u8:221:00:042
31278991815,2cyclictest15458-21kworker/u8:220:27:052
31278991815,2cyclictest15458-21kworker/u8:220:16:042
31278991815,2cyclictest12851-21kworker/u8:121:20:052
31278991815,2cyclictest12851-21kworker/u8:121:07:052
31276991814,2cyclictest16663-21kworker/u8:021:25:040
3127699180,13cyclictest0-21swapper/020:37:050
3127999170,3cyclictest31216-21apt-get20:30:053
3127899173,2cyclictest15099-21diskmemload00:08:052
3127899172,13cyclictest21565-21grep22:55:252
3127899172,13cyclictest0-21swapper/200:00:052
31278991714,2cyclictest6088-21kworker/u8:021:36:052
31278991714,2cyclictest27523-21kworker/u8:219:11:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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