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2026-01-24 - 23:21
[ 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 #c, slot #8

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 rackcslot8s.osadl.org (updated Sat Jan 24, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209922640,0sleep60-21swapper/610:30:156
1881916232,16phc2sys0-21swapper/407:07:364
111391600,29ptp4l0-21swapper/007:08:510
111391590,6ptp4l0-21swapper/107:05:081
190225444,6sleep70-21swapper/707:08:417
195325332,6sleep50-21swapper/507:09:185
195925139,7sleep20-21swapper/207:09:232
200424939,6sleep60-21swapper/607:09:526
196224736,7sleep30-21swapper/307:09:253
111391330,1ptp4l19658-21/usr/sbin/munin09:45:161
111391310,0ptp4l0-21swapper/411:25:134
111391310,0ptp4l0-21swapper/409:29:234
111391310,0ptp4l0-21swapper/109:10:591
111391300,0ptp4l27588-21ssh12:07:484
111391300,0ptp4l0-21swapper/512:15:115
111391300,0ptp4l0-21swapper/509:44:015
111391300,0ptp4l0-21swapper/409:05:204
111391300,0ptp4l0-21swapper/011:21:570
111391300,0ptp4l0-21swapper/010:04:540
111391300,0ptp4l0-21swapper/009:31:500
111391290,4ptp4l0-21swapper/108:17:231
111391290,3ptp4l0-21swapper/010:21:570
111391290,0ptp4l0-21swapper/412:24:134
111391290,0ptp4l0-21swapper/012:27:010
111391290,0ptp4l0-21swapper/011:54:550
111391290,0ptp4l0-21swapper/010:58:250
111391290,0ptp4l0-21swapper/010:40:090
111391290,0ptp4l0-21swapper/008:30:120
111391280,1ptp4l5536-21hddtemp_smartct08:25:144
111391280,1ptp4l0-21swapper/412:17:234
111391280,0ptp4l0-21swapper/409:13:304
111391280,0ptp4l0-21swapper/111:51:351
111391280,0ptp4l0-21swapper/012:38:250
111391280,0ptp4l0-21swapper/012:10:410
111391280,0ptp4l0-21swapper/010:33:300
111391280,0ptp4l0-21swapper/010:28:080
111391280,0ptp4l0-21swapper/009:50:170
111391280,0ptp4l0-21swapper/009:43:040
111391280,0ptp4l0-21swapper/009:39:240
111391280,0ptp4l0-21swapper/009:23:240
111391280,0ptp4l0-21swapper/009:19:250
111391270,2ptp4l0-21swapper/111:42:101
111391270,1ptp4l0-21swapper/409:24:234
111391270,0ptp4l0-21swapper/509:31:345
111391270,0ptp4l0-21swapper/509:17:345
111391270,0ptp4l0-21swapper/412:25:194
111391270,0ptp4l0-21swapper/412:11:034
111391270,0ptp4l0-21swapper/411:21:434
111391270,0ptp4l0-21swapper/410:50:414
111391270,0ptp4l0-21swapper/410:42:344
111391270,0ptp4l0-21swapper/409:45:064
111391270,0ptp4l0-21swapper/310:35:403
111391270,0ptp4l0-21swapper/111:46:541
111391270,0ptp4l0-21swapper/011:47:310
111391270,0ptp4l0-21swapper/011:41:370
111391270,0ptp4l0-21swapper/011:27:000
111391270,0ptp4l0-21swapper/008:55:160
111391260,1ptp4l4795-21munin-node07:15:001
111391260,0ptp4l0-21swapper/511:50:445
111391260,0ptp4l0-21swapper/510:45:435
111391260,0ptp4l0-21swapper/507:20:185
111391260,0ptp4l0-21swapper/411:47:324
111391260,0ptp4l0-21swapper/411:00:114
111391260,0ptp4l0-21swapper/409:38:264
111391260,0ptp4l0-21swapper/309:12:083
111391260,0ptp4l0-21swapper/112:35:121
111391260,0ptp4l0-21swapper/111:09:321
111391260,0ptp4l0-21swapper/110:12:121
111391260,0ptp4l0-21swapper/012:06:230
111391260,0ptp4l0-21swapper/011:10:180
111391260,0ptp4l0-21swapper/010:06:010
111391250,3ptp4l0-21swapper/409:15:584
111391250,1ptp4l844-21diskstats08:15:114
111391250,1ptp4l0-21swapper/008:40:120
111391250,0ptp4l0-21swapper/609:15:206
111391250,0ptp4l0-21swapper/510:26:365
111391250,0ptp4l0-21swapper/509:45:565
111391250,0ptp4l0-21swapper/411:56:214
111391250,0ptp4l0-21swapper/411:51:134
111391250,0ptp4l0-21swapper/411:07:014
111391250,0ptp4l0-21swapper/410:49:284
111391250,0ptp4l0-21swapper/410:24:154
111391250,0ptp4l0-21swapper/210:08:192
111391250,0ptp4l0-21swapper/112:29:101
111391250,0ptp4l0-21swapper/107:55:171
111391250,0ptp4l0-21swapper/011:08:050
111391250,0ptp4l0-21swapper/008:45:170
111391240,1ptp4l8801-21cpuspeed_turbos09:30:114
111391240,1ptp4l28386-21unixbench_multi09:55:194
111391240,1ptp4l24849-21ssh10:35:181
111391240,1ptp4l16839-21diskstats10:25:121
111391240,0ptp4l25110-21ps10:35:205
111391240,0ptp4l0-21swapper/711:37:577
111391240,0ptp4l0-21swapper/711:37:567
111391240,0ptp4l0-21swapper/609:52:026
111391240,0ptp4l0-21swapper/511:02:525
111391240,0ptp4l0-21swapper/510:30:405
111391240,0ptp4l0-21swapper/510:00:145
111391240,0ptp4l0-21swapper/508:40:015
111391240,0ptp4l0-21swapper/507:15:165
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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