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2026-03-01 - 13:17
[ 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 #1, 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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  Intel
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 rack1slot6s.osadl.org (updated Sun Mar 01, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137629911039,12cyclictest0-21swapper/120:12:151
137629910740,9cyclictest10518-21df21:32:021
13764991053,55cyclictest0-21swapper/223:22:082
137629910511,12cyclictest0-21swapper/120:41:581
137629910436,10cyclictest0-21swapper/122:34:371
137629910435,12cyclictest0-21swapper/120:48:391
13764991034,57cyclictest0-21swapper/221:21:582
13764991024,91cyclictest0-21swapper/221:02:022
137629910235,13cyclictest0-21swapper/119:47:011
137629910235,13cyclictest0-21swapper/119:47:011
13764991005,47cyclictest0-21swapper/221:00:542
13762999937,11cyclictest0-21swapper/121:02:101
13762999743,12cyclictest0-21swapper/121:12:181
13762999740,12cyclictest0-21swapper/121:44:371
13759999521,51cyclictest0-21swapper/021:01:470
1375999952,23cyclictest30902-21ssh22:02:000
13764999430,13cyclictest0-21swapper/222:05:012
13764999331,13cyclictest0-21swapper/220:33:422
13764999331,12cyclictest0-21swapper/222:22:222
13764999331,12cyclictest0-21swapper/222:22:222
13759999319,12cyclictest0-21swapper/023:12:000
13764999029,15cyclictest0-21swapper/220:15:272
1375999909,22cyclictest0-21swapper/021:31:530
13759999022,7cyclictest10390-21ssh22:19:230
1375999899,64cyclictest0-21swapper/020:11:050
1375999894,24cyclictest0-21swapper/021:23:370
13759998924,8cyclictest29945-21latency_hist22:01:450
13759998920,11cyclictest0-21swapper/020:52:580
13759998917,10cyclictest977-21ntpd20:02:150
13759998916,12cyclictest0-21swapper/021:52:060
1375999884,78cyclictest0-21swapper/020:21:290
13759998823,8cyclictest73071ssh21:27:010
13759998822,9cyclictest10344-21diskmemload22:22:100
13759998822,9cyclictest10344-21diskmemload22:22:100
13759998822,8cyclictest22364-21aten2.4-expect21:01:590
13759998820,9cyclictest1419-21runrttasks19:56:580
13759998818,11cyclictest0-21swapper/023:05:560
13759998818,11cyclictest0-21swapper/023:05:560
1376499873,56cyclictest0-21swapper/221:41:282
1375999874,24cyclictest0-21swapper/021:17:050
1375999873,76cyclictest0-21swapper/022:58:100
13759998723,7cyclictest7282-21ssh20:37:200
13759998722,8cyclictest30054-21ssh22:47:420
13759998719,8cyclictest121850irq/46-eth022:27:060
1375999863,28cyclictest15418-21rm21:37:400
13759998624,55cyclictest0-21swapper/022:42:010
13759998615,13cyclictest0-21swapper/020:22:010
1375999855,73cyclictest0-21swapper/023:26:410
13759998528,50cyclictest14601-21ssh20:49:150
1375999844,22cyclictest0-21swapper/022:13:120
13759998412,17cyclictest0-21swapper/021:07:070
13759998412,17cyclictest0-21swapper/021:07:070
1375999839,9cyclictest121850irq/46-eth023:08:030
1375999834,72cyclictest0-21swapper/020:34:030
1375999834,12cyclictest0-21swapper/020:26:590
1375999834,12cyclictest0-21swapper/020:26:590
13759998324,53cyclictest0-21swapper/020:12:060
13759998317,12cyclictest0-21swapper/021:49:400
13759998223,43cyclictest0-21swapper/019:17:120
1375999814,71cyclictest0-21swapper/023:19:010
1375999814,71cyclictest0-21swapper/022:37:570
1375999814,70cyclictest0-21swapper/022:11:410
1375999813,71cyclictest0-21swapper/021:41:530
13759998121,53cyclictest0-21swapper/022:52:550
13759998120,13cyclictest0-21swapper/019:47:200
13759998120,13cyclictest0-21swapper/019:47:200
13759998118,7cyclictest9381-21rm20:42:020
13759998022,7cyclictest1287-21snmpd19:28:090
7292790,4sleep2730-21grep22:52:152
1375999794,68cyclictest0-21swapper/018:59:130
1375999793,27cyclictest0-21swapper/022:31:560
13759997924,49cyclictest0-21swapper/018:06:530
13759997917,11cyclictest0-21swapper/019:06:510
13759997917,11cyclictest0-21swapper/019:06:510
13759997912,12cyclictest0-21swapper/019:32:030
1375999783,13cyclictest0-21swapper/021:12:020
1375999775,12cyclictest0-21swapper/018:11:210
13759997711,12cyclictest0-21swapper/018:47:030
1375999765,14cyclictest0-21swapper/018:32:010
1375999763,26cyclictest0-21swapper/018:22:490
1375999763,26cyclictest0-21swapper/018:22:490
13759997621,8cyclictest1419-21runrttasks18:14:290
13759997616,12cyclictest0-21swapper/019:39:440
13759997522,8cyclictest1419-21runrttasks19:23:580
248599740,4rtkit-daemon2484-21rtkit-daemon22:57:231
13759997411,13cyclictest0-21swapper/018:17:120
1375999735,26cyclictest0-21swapper/019:13:240
1375999735,15cyclictest0-21swapper/018:53:050
1375999734,19cyclictest0-21swapper/017:56:540
1375999733,29cyclictest1419-21runrttasks17:57:200
13759997221,12cyclictest0-21swapper/019:45:310
13759997221,10cyclictest0-21swapper/019:53:190
13759997219,8cyclictest1419-21runrttasks19:07:090
1375999714,13cyclictest0-21swapper/018:43:290
13759997123,9cyclictest0-21swapper/018:37:180
13759997122,10cyclictest0-21swapper/018:30:170
13762996945,8cyclictest10344-21diskmemload20:52:121
1376599684,13cyclictest0-21swapper/322:42:383
13762996845,7cyclictest8050-21ssh22:16:561
1376599674,56cyclictest15664-21systemd-cgroups23:16:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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