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2026-02-02 - 08:46
[ 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 Mon Feb 02, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391690,30ptp4l0-21swapper/019:08:380
224872620,1sleep3391rcuc/323:29:503
111391620,4ptp4l0-21swapper/419:06:404
301592610,0sleep30-21swapper/322:55:133
111391610,5ptp4l0-21swapper/519:07:205
2803226049,6sleep70-21swapper/719:06:257
111391600,29ptp4l0-21swapper/119:06:561
97332580,0sleep30-21swapper/321:40:143
2799825747,6sleep20-21swapper/219:05:562
2807524634,7sleep60-21swapper/619:06:566
2605524634,7sleep30-21swapper/319:05:013
111391350,0ptp4l0-21swapper/500:30:175
111391330,0ptp4l0-21swapper/600:38:066
111391320,0ptp4l0-21swapper/523:20:155
111391320,0ptp4l0-21swapper/422:50:204
111391300,1ptp4l2104-21ssh23:45:131
111391300,0ptp4l0-21swapper/721:31:507
111391300,0ptp4l0-21swapper/521:11:075
111391300,0ptp4l0-21swapper/421:22:144
111391300,0ptp4l0-21swapper/123:50:061
111391300,0ptp4l0-21swapper/023:02:260
111391290,2ptp4l0-21swapper/122:49:091
111391290,0ptp4l0-21swapper/523:08:205
111391290,0ptp4l0-21swapper/422:37:444
111391290,0ptp4l0-21swapper/421:45:084
111391290,0ptp4l0-21swapper/400:25:264
111391290,0ptp4l0-21swapper/222:34:332
111391290,0ptp4l0-21swapper/222:05:152
111391290,0ptp4l0-21swapper/123:59:071
111391290,0ptp4l0-21swapper/123:41:491
111391290,0ptp4l0-21swapper/123:38:101
111391290,0ptp4l0-21swapper/123:19:521
111391290,0ptp4l0-21swapper/122:44:081
111391290,0ptp4l0-21swapper/121:17:061
111391280,2ptp4l0-21swapper/621:49:426
111391280,0ptp4l0-21swapper/523:54:135
111391280,0ptp4l0-21swapper/523:15:165
111391280,0ptp4l0-21swapper/521:21:035
111391280,0ptp4l0-21swapper/423:17:094
111391280,0ptp4l0-21swapper/421:17:304
111391280,0ptp4l0-21swapper/123:23:501
111391280,0ptp4l0-21swapper/000:33:170
111391270,1ptp4l22398-21crond00:15:001
111391270,0ptp4l29557-21ssh23:39:140
111391270,0ptp4l0-21swapper/523:39:005
111391270,0ptp4l0-21swapper/523:10:055
111391270,0ptp4l0-21swapper/522:45:315
111391270,0ptp4l0-21swapper/500:00:475
111391270,0ptp4l0-21swapper/423:37:244
111391270,0ptp4l0-21swapper/422:00:314
111391270,0ptp4l0-21swapper/121:42:341
111391270,0ptp4l0-21swapper/121:30:241
111391270,0ptp4l0-21swapper/100:29:061
111391260,1ptp4l26287-21memory22:05:176
111391260,0ptp4l101ktimersoftd/000:24:030
111391260,0ptp4l0-21swapper/600:33:516
111391260,0ptp4l0-21swapper/523:42:375
111391260,0ptp4l0-21swapper/521:53:385
111391260,0ptp4l0-21swapper/521:17:475
111391260,0ptp4l0-21swapper/520:15:165
111391260,0ptp4l0-21swapper/423:53:544
111391260,0ptp4l0-21swapper/422:16:384
111391260,0ptp4l0-21swapper/422:16:374
111391260,0ptp4l0-21swapper/421:40:174
111391260,0ptp4l0-21swapper/400:05:074
111391260,0ptp4l0-21swapper/122:39:571
111391260,0ptp4l0-21swapper/122:06:271
111391260,0ptp4l0-21swapper/022:58:080
111391260,0ptp4l0-21swapper/022:15:210
111391260,0ptp4l0-21swapper/022:15:200
111391260,0ptp4l0-21swapper/021:38:520
111391250,1ptp4l5347-21smartctl22:20:201
111391250,1ptp4l5037-21smart_sda19:25:184
111391250,1ptp4l30706-21latency_hist19:15:010
111391250,1ptp4l24531-21ssh23:30:204
111391250,1ptp4l1776-21fw_conntrack00:30:141
111391250,1ptp4l12890-21fw_forwarded_lo00:00:141
111391250,1ptp4l11003-21pluginstate22:30:001
111391250,0ptp4l85250irq/31-eno1-rx-21:35:255
111391250,0ptp4l19467-21diskmemload23:21:494
111391250,0ptp4l0-21swapper/523:25:165
111391250,0ptp4l0-21swapper/523:04:385
111391250,0ptp4l0-21swapper/522:05:375
111391250,0ptp4l0-21swapper/521:27:375
111391250,0ptp4l0-21swapper/519:30:205
111391250,0ptp4l0-21swapper/519:20:125
111391250,0ptp4l0-21swapper/500:35:135
111391250,0ptp4l0-21swapper/422:45:364
111391250,0ptp4l0-21swapper/422:06:514
111391250,0ptp4l0-21swapper/421:58:454
111391250,0ptp4l0-21swapper/421:51:374
111391250,0ptp4l0-21swapper/123:07:221
111391250,0ptp4l0-21swapper/100:23:531
111391250,0ptp4l0-21swapper/023:29:490
111391250,0ptp4l0-21swapper/022:27:340
111391250,0ptp4l0-21swapper/021:48:060
111391250,0ptp4l0-21swapper/000:27:570
111391250,0ptp4l0-21swapper/000:00:260
111391240,2ptp4l0-21swapper/000:15:180
111391240,1ptp4l6130-21timerwakeupswit23:05:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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