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2026-01-14 - 08:14
[ 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 Wed Jan 14, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227152650,0sleep00-21swapper/022:35:140
281412610,0sleep50-21swapper/500:11:005
281412610,0sleep50-21swapper/500:10:595
111391610,29ptp4l0-21swapper/119:09:431
111391600,2ptp4l0-21swapper/219:05:172
111391600,29ptp4l0-21swapper/019:08:030
3219325947,7sleep70-21swapper/719:08:097
111391590,5ptp4l0-21swapper/419:09:364
6942570,0sleep20-21swapper/223:35:002
111391510,5ptp4l0-21swapper/619:06:366
111391510,5ptp4l0-21swapper/519:09:445
3222724736,7sleep30-21swapper/319:08:373
111391340,1ptp4l32042-21munin-run22:05:014
111391320,0ptp4l0-21swapper/222:35:162
111391310,0ptp4l0-21swapper/500:29:055
111391300,4ptp4l0-21swapper/520:00:125
111391300,3ptp4l0-21swapper/423:45:194
111391300,0ptp4l0-21swapper/423:53:554
111391300,0ptp4l0-21swapper/421:11:114
111391300,0ptp4l0-21swapper/123:26:421
111391300,0ptp4l0-21swapper/122:38:451
111391300,0ptp4l0-21swapper/023:02:540
111391300,0ptp4l0-21swapper/022:30:000
111391290,0ptp4l0-21swapper/523:30:575
111391290,0ptp4l0-21swapper/522:46:125
111391290,0ptp4l0-21swapper/522:37:375
111391290,0ptp4l0-21swapper/521:34:505
111391290,0ptp4l0-21swapper/521:34:505
111391290,0ptp4l0-21swapper/121:27:571
111391290,0ptp4l0-21swapper/121:27:561
111391290,0ptp4l0-21swapper/021:31:110
111391290,0ptp4l0-21swapper/021:31:100
111391280,0ptp4l0-21swapper/523:50:155
111391280,0ptp4l0-21swapper/523:10:145
111391280,0ptp4l0-21swapper/423:56:314
111391280,0ptp4l0-21swapper/400:28:414
111391280,0ptp4l0-21swapper/123:33:241
111391280,0ptp4l0-21swapper/123:23:001
111391280,0ptp4l0-21swapper/023:37:560
111391280,0ptp4l0-21swapper/022:41:520
111391280,0ptp4l0-21swapper/000:18:150
111391270,3ptp4l0-21swapper/423:40:244
111391270,0ptp4l0-21swapper/621:52:066
111391270,0ptp4l0-21swapper/523:58:315
111391270,0ptp4l0-21swapper/522:22:335
111391270,0ptp4l0-21swapper/522:10:425
111391270,0ptp4l0-21swapper/521:46:165
111391270,0ptp4l0-21swapper/423:00:184
111391270,0ptp4l0-21swapper/422:50:224
111391270,0ptp4l0-21swapper/100:07:561
111391270,0ptp4l0-21swapper/100:07:561
111391270,0ptp4l0-21swapper/022:32:000
111391270,0ptp4l0-21swapper/021:53:440
111391270,0ptp4l0-21swapper/021:48:130
111391270,0ptp4l0-21swapper/000:33:410
111391260,0ptp4l0-21swapper/521:05:215
111391260,0ptp4l0-21swapper/422:29:164
111391260,0ptp4l0-21swapper/421:53:374
111391260,0ptp4l0-21swapper/400:36:274
111391260,0ptp4l0-21swapper/223:21:552
111391260,0ptp4l0-21swapper/121:04:551
111391260,0ptp4l0-21swapper/100:31:361
111391260,0ptp4l0-21swapper/023:47:560
111391260,0ptp4l0-21swapper/023:15:510
111391260,0ptp4l0-21swapper/023:07:420
111391260,0ptp4l0-21swapper/021:37:220
111391260,0ptp4l0-21swapper/000:11:560
111391260,0ptp4l0-21swapper/000:11:560
111391250,1ptp4l579-21cut19:10:064
111391250,1ptp4l3778-21netstat21:25:154
111391250,1ptp4l3778-21netstat21:25:154
111391250,1ptp4l13478-21smart_sda20:45:174
111391250,0ptp4l121rcu_preempt00:20:155
111391250,0ptp4l0-21swapper/720:50:137
111391250,0ptp4l0-21swapper/623:09:086
111391250,0ptp4l0-21swapper/600:05:296
111391250,0ptp4l0-21swapper/600:05:296
111391250,0ptp4l0-21swapper/423:20:114
111391250,0ptp4l0-21swapper/423:16:184
111391250,0ptp4l0-21swapper/423:11:504
111391250,0ptp4l0-21swapper/422:36:454
111391250,0ptp4l0-21swapper/420:45:004
111391250,0ptp4l0-21swapper/419:35:134
111391250,0ptp4l0-21swapper/400:17:274
111391250,0ptp4l0-21swapper/400:04:014
111391250,0ptp4l0-21swapper/323:51:303
111391250,0ptp4l0-21swapper/322:03:243
111391250,0ptp4l0-21swapper/123:10:001
111391250,0ptp4l0-21swapper/123:00:111
111391250,0ptp4l0-21swapper/122:30:111
111391250,0ptp4l0-21swapper/122:20:471
111391250,0ptp4l0-21swapper/121:35:061
111391250,0ptp4l0-21swapper/100:11:321
111391250,0ptp4l0-21swapper/100:11:321
111391250,0ptp4l0-21swapper/023:14:360
111391250,0ptp4l0-21swapper/020:55:010
111391250,0ptp4l0-21swapper/019:10:140
111391250,0ptp4l0-21swapper/000:27:580
111391240,1ptp4l752-21ls20:19:594
111391240,1ptp4l4726-21users20:25:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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