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2026-03-05 - 00:32
[ 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 Wed Mar 04, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29639211795,16sleep30-21swapper/307:09:023
27926211695,16sleep20-21swapper/207:05:082
29554211493,16sleep00-21swapper/007:07:550
29570211195,11sleep10-21swapper/107:08:081
1483621070,2sleep22974399cyclictest11:57:502
150812810,0sleep10-21swapper/111:58:131
48632730,0sleep10-21swapper/111:47:311
121302680,0sleep10-21swapper/109:40:331
115942680,0sleep10-21swapper/110:47:061
298422590,1sleep22974399cyclictest09:25:302
2974299282,7cyclictest0-21swapper/108:53:581
95792250,0sleep30-21swapper/311:19:193
2974299250,20cyclictest0-21swapper/112:31:051
281042250,1sleep10-21swapper/110:30:431
97632240,0sleep00-21swapper/011:19:370
270022240,0sleep30-21swapper/311:36:273
136842240,1sleep20-21swapper/212:30:132
2974299230,18cyclictest0-21swapper/107:55:041
2974499223,2cyclictest0-21swapper/309:44:043
2974499223,17cyclictest0-21swapper/308:51:043
2974499220,5cyclictest0-21swapper/309:29:033
2974399222,15cyclictest0-21swapper/210:32:042
29743992218,2cyclictest26827-21kworker/u8:110:41:042
2974399220,18cyclictest0-21swapper/207:35:052
2974399220,17cyclictest0-21swapper/211:00:052
2974299220,17cyclictest0-21swapper/111:43:041
2974299220,17cyclictest0-21swapper/111:37:041
2974299220,17cyclictest0-21swapper/108:45:051
2974499213,2cyclictest29740-21cyclictest10:53:043
2974499213,2cyclictest0-21swapper/309:19:043
2974499212,2cyclictest0-21swapper/308:12:043
2974499212,2cyclictest0-21swapper/307:10:053
2974499210,4cyclictest0-21swapper/312:30:043
2974499210,4cyclictest0-21swapper/312:09:033
2974499210,4cyclictest0-21swapper/311:25:053
2974399212,17cyclictest0-21swapper/211:33:042
29743992118,2cyclictest21224-21kworker/u8:009:17:042
2974399210,3cyclictest14188-21ssh09:10:122
2974299213,2cyclictest0-21swapper/111:12:041
2974299210,16cyclictest0-21swapper/111:24:041
2974499202,2cyclictest0-21swapper/312:11:043
2974499202,2cyclictest0-21swapper/310:03:033
2974499202,1cyclictest0-21swapper/308:29:043
2974499202,17cyclictest0-21swapper/310:47:033
2974499201,2cyclictest0-21swapper/311:09:043
2974499201,2cyclictest0-21swapper/308:47:033
2974499201,17cyclictest0-21swapper/308:07:053
2974499200,3cyclictest0-21swapper/309:11:043
29743992017,2cyclictest3253-21kworker/u8:110:11:052
29743992017,2cyclictest3253-21kworker/u8:109:33:042
29743992017,2cyclictest31056-21kworker/u8:112:35:042
29743992017,2cyclictest28031-21kworker/u8:007:18:042
29743992017,2cyclictest26386-21kworker/u8:209:39:042
29743992017,2cyclictest25353-21kworker/u8:111:05:042
29743992017,2cyclictest20081-21kworker/u8:012:00:042
29743992017,2cyclictest1145-21kworker/u8:210:39:042
29743992017,2cyclictest10370-21kworker/u8:009:53:042
29743992017,2cyclictest10370-21kworker/u8:009:43:042
2974399200,2cyclictest0-21swapper/208:20:112
2974399200,15cyclictest0-21swapper/212:21:042
2974299200,3cyclictest13849-21diskmemload10:19:041
2974299200,18cyclictest0-21swapper/110:02:051
2974299200,16cyclictest0-21swapper/108:41:041
2974299200,15cyclictest0-21swapper/108:05:031
174202200,0sleep10-21swapper/109:46:021
2974499193,2cyclictest0-21swapper/308:22:043
2974499192,6cyclictest0-21swapper/308:57:053
2974499192,2cyclictest0-21swapper/310:33:033
2974499190,3cyclictest0-21swapper/308:01:033
2974499190,3cyclictest0-21swapper/308:01:033
2974499190,17cyclictest0-21swapper/309:47:043
29743991916,2cyclictest5301-21kworker/u8:111:16:042
29743991916,2cyclictest27418-21kworker/u8:111:38:042
29743991916,2cyclictest19008-21kworker/u8:208:11:042
2974299190,7cyclictest0-21swapper/111:52:041
2974299190,4cyclictest0-21swapper/110:29:051
2974299190,2cyclictest0-21swapper/110:21:031
2974299190,18cyclictest0-21swapper/112:01:031
2974299190,18cyclictest0-21swapper/111:29:041
2974299190,14cyclictest0-21swapper/110:38:041
2974299190,14cyclictest0-21swapper/108:37:031
2974499182,8cyclictest0-21swapper/311:49:033
2974499182,1cyclictest0-21swapper/308:16:043
2974499181,2cyclictest0-21swapper/310:23:033
2974499180,3cyclictest0-21swapper/307:50:043
2974499180,2cyclictest0-21swapper/310:58:043
2974499180,2cyclictest0-21swapper/307:56:043
29743991815,2cyclictest7943-21kworker/u8:108:32:052
29743991815,2cyclictest7943-21kworker/u8:107:46:052
29743991815,2cyclictest5025-21kworker/u8:007:31:042
29743991815,2cyclictest2044-21kworker/u8:211:50:052
29743991815,2cyclictest20081-21kworker/u8:011:42:042
29743991815,2cyclictest16638-21kworker/u8:212:08:042
2974399180,2cyclictest0-21swapper/211:10:042
2974399180,2cyclictest0-21swapper/209:57:042
29742991815,2cyclictest1238-21kworker/u8:207:45:041
2974299180,7cyclictest0-21swapper/111:30:041
2974299180,17cyclictest0-21swapper/112:28:041
2974299180,17cyclictest0-21swapper/109:23:041
2974299180,17cyclictest0-21swapper/108:34:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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