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2026-01-27 - 21:40
[ 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 #7, slot #7

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 100 highest latencies:
System rack7slot7s.osadl.org (updated Tue Jan 27, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2217429372,15sleep00-21swapper/007:05:250
2273228770,13sleep10-21swapper/107:08:071
2263628370,9sleep30-21swapper/307:06:533
2283928270,8sleep20-21swapper/207:09:292
2295399300,29cyclictest0-21swapper/011:04:340
22953992625,1cyclictest0-21swapper/011:28:510
2296399250,24cyclictest0-21swapper/209:50:222
22963992420,4cyclictest0-21swapper/211:17:122
2296399240,24cyclictest0-21swapper/209:12:422
2295899241,1cyclictest0-21swapper/112:23:551
2295899240,2cyclictest0-21swapper/111:53:531
2295899240,1cyclictest241rcuc/110:31:261
2296799238,14cyclictest9432-21ssh11:20:133
2296799232,18cyclictest0-21swapper/312:27:263
22963992321,2cyclictest0-21swapper/211:10:222
22963992320,3cyclictest0-21swapper/209:39:122
22963992311,12cyclictest0-21swapper/207:10:122
2296399230,23cyclictest0-21swapper/212:38:222
22958992313,9cyclictest0-21swapper/111:35:131
2295899230,22cyclictest0-21swapper/109:57:421
22963992219,3cyclictest0-21swapper/209:22:022
2296399220,21cyclictest2224-21ssh10:37:022
2295899225,17cyclictest0-21swapper/111:48:551
22958992222,0cyclictest0-21swapper/110:07:571
22958992220,2cyclictest0-21swapper/109:35:411
22958992213,8cyclictest15781-21diskmemload11:58:161
2295399220,2cyclictest0-21swapper/011:59:590
2295399220,0cyclictest0-21swapper/011:23:100
2295399220,0cyclictest0-21swapper/009:35:030
22963992118,3cyclictest0-21swapper/212:25:122
22963992118,3cyclictest0-21swapper/209:47:022
2296399211,19cyclictest0-21swapper/207:40:142
2296399210,21cyclictest0-21swapper/209:18:022
2296399210,21cyclictest0-21swapper/209:18:022
2295899218,13cyclictest0-21swapper/111:05:371
22958992120,1cyclictest0-21swapper/112:26:401
22958992115,3cyclictest0-21swapper/112:06:511
2295899210,1cyclictest0-21swapper/109:46:121
2295899209,9cyclictest0-21swapper/110:57:551
2295899202,17cyclictest11774-21grep10:05:001
22958992015,4cyclictest0-21swapper/109:16:141
22958992015,4cyclictest0-21swapper/109:16:141
22958992014,5cyclictest0-21swapper/111:10:121
22953992019,1cyclictest0-21swapper/010:28:300
22953992018,1cyclictest0-21swapper/009:10:040
2296799192,3cyclictest0-21swapper/309:23:233
2296399190,18cyclictest0-21swapper/209:05:022
2295899193,5cyclictest15781-21diskmemload11:16:431
22958991916,2cyclictest15781-21diskmemload10:20:321
22958991916,2cyclictest15781-21diskmemload09:30:161
22958991916,2cyclictest0-21swapper/107:45:141
22958991914,5cyclictest15781-21diskmemload10:47:261
2295899190,1cyclictest0-21swapper/109:23:361
2295399194,7cyclictest31475-21munin-run10:55:010
22953991918,1cyclictest13-21ksoftirqd/010:39:410
22953991918,1cyclictest0-21swapper/010:58:030
2296799189,8cyclictest28866-21latency_hist12:10:003
22967991815,2cyclictest0-21swapper/312:31:133
2295899187,10cyclictest0-21swapper/107:50:141
22958991816,1cyclictest15781-21diskmemload12:01:321
22958991815,1cyclictest0-21swapper/112:36:541
22958991814,4cyclictest15781-21diskmemload11:27:231
2295899180,2cyclictest0-21swapper/107:25:141
2295399186,6cyclictest12227-21idleruntime-cro07:55:010
2295399183,12cyclictest20060-21awk10:10:000
22953991811,5cyclictest13076-21munin-run10:24:590
2296399170,16cyclictest0-21swapper/210:13:582
2296399170,14cyclictest0-21swapper/210:48:592
2295899179,7cyclictest0-21swapper/110:43:551
2295899178,8cyclictest15781-21diskmemload12:12:071
2295899178,8cyclictest15781-21diskmemload09:12:251
2295899176,10cyclictest0-21swapper/111:40:111
2295899175,12cyclictest0-21swapper/110:52:131
22958991715,1cyclictest15781-21diskmemload09:54:571
22958991711,6cyclictest27232-21kworker/1:211:21:011
2295899171,11cyclictest21497-21/usr/sbin/munin10:10:181
2295399175,3cyclictest141rcu_preempt09:16:060
2295399175,3cyclictest141rcu_preempt09:16:050
2295399172,8cyclictest0-21swapper/010:49:550
22967991615,1cyclictest0-21swapper/311:05:253
2296399163,13cyclictest0-21swapper/207:31:102
2296399162,7cyclictest3713-21/usr/sbin/munin10:00:152
2295899164,12cyclictest0-21swapper/112:31:011
22958991614,1cyclictest30463-21head10:15:201
22958991613,2cyclictest30599-21ssh10:35:151
22958991613,2cyclictest0-21swapper/108:55:171
2295899161,14cyclictest0-21swapper/109:27:141
22958991610,5cyclictest15781-21diskmemload10:28:301
22953991612,3cyclictest9826-21cron07:50:000
2295399160,16cyclictest0-21swapper/012:00:330
66802150,0chrt0-21swapper/310:20:223
2296799156,1cyclictest6109-21idleruntime-cro10:40:003
2296799151,1cyclictest0-21swapper/309:50:143
22967991511,3cyclictest21894-21latency_hist12:25:013
2296399153,4cyclictest28278-21kworker/u8:010:56:142
2296399153,12cyclictest0-21swapper/208:24:442
22958991511,4cyclictest0-21swapper/108:15:001
22958991511,2cyclictest0-21swapper/112:16:111
2295399150,1cyclictest0-21swapper/012:26:160
22967991414,0cyclictest0-21swapper/309:14:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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