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2026-01-30 - 02:11
[ 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 #3, 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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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 rack3slot6s.osadl.org (updated Fri Jan 30, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16410212878,7sleep30-21swapper/319:05:133
17592211796,16sleep00-21swapper/019:07:180
17761211493,16sleep20-21swapper/219:09:292
177232114103,6sleep10-21swapper/119:09:001
3912710,2sleep0393-21latency21:05:170
17827993616,18cyclictest0-21swapper/022:05:110
255732340,1sleep0101ktimersoftd/022:45:250
1782999287,19cyclictest0-21swapper/221:00:112
1782999230,2cyclictest0-21swapper/221:20:002
1782799230,2cyclictest0-21swapper/021:20:000
152732230,1sleep00-21swapper/020:20:260
1783099210,2cyclictest0-21swapper/322:15:113
1782999210,19cyclictest0-21swapper/223:40:112
1782799210,19cyclictest0-21swapper/023:40:110
200722200,1sleep11453-21diskmemload00:25:241
1783099200,2cyclictest0-21swapper/322:25:123
1782899200,4cyclictest0-21swapper/122:25:121
17827992017,2cyclictest0-21swapper/021:00:110
17827992011,8cyclictest0-21swapper/020:45:120
248032190,0sleep10-21swapper/122:45:141
17830991915,2cyclictest0-21swapper/319:50:113
223862180,0sleep10-21swapper/119:20:121
1783099180,16cyclictest0-21swapper/322:20:103
1783099170,2cyclictest0-21swapper/323:05:113
17828991714,2cyclictest0-21swapper/119:15:131
1782799170,2cyclictest0-21swapper/021:20:000
1783099161,13cyclictest0-21swapper/323:10:273
17830991611,3cyclictest0-21swapper/319:55:153
1783099160,2cyclictest18235-21ssh00:24:283
1783099160,14cyclictest0-21swapper/320:15:273
1782999162,12cyclictest6858-21nscd23:01:272
17829991613,2cyclictest8141-21kworker/u8:000:20:042
17829991611,3cyclictest0-21swapper/223:35:152
1783099151,12cyclictest7458-21runrttasks23:18:283
17830991510,3cyclictest6197-21cpu21:50:113
1783099150,3cyclictest19173-21tr00:25:133
1783099150,13cyclictest0-21swapper/323:30:173
1783099150,13cyclictest0-21swapper/323:03:103
1782999152,7cyclictest0-21swapper/219:30:012
1782999151,3cyclictest6579-21ls21:15:132
17828991510,3cyclictest15789-21unixbench_multi00:20:251
1782899150,2cyclictest0-21swapper/123:10:181
1782899150,13cyclictest0-21swapper/122:21:371
1782899150,13cyclictest0-21swapper/121:30:001
1782799150,13cyclictest0-21swapper/022:40:190
6102140,1sleep00-21swapper/022:19:450
313902140,2sleep00-21swapper/023:27:400
270062141,2sleep027016-21ssh22:12:030
1783099142,7cyclictest0-21swapper/320:55:003
1783099142,7cyclictest0-21swapper/319:25:013
1783099141,3cyclictest0-21swapper/321:31:453
17830991411,2cyclictest0-21swapper/323:20:403
17830991411,2cyclictest0-21swapper/323:20:393
17830991411,2cyclictest0-21swapper/321:25:193
17830991411,2cyclictest0-21swapper/321:22:203
17830991411,2cyclictest0-21swapper/320:00:123
17830991411,2cyclictest0-21swapper/320:00:113
1783099140,3cyclictest25790-21ssh00:31:513
1783099140,13cyclictest28759-21ssh22:50:103
1783099140,12cyclictest4988-21ssh21:48:553
1783099140,12cyclictest0-21swapper/322:01:163
1782999149,3cyclictest0-21swapper/219:50:012
1782999142,7cyclictest0-21swapper/220:20:002
1782999141,3cyclictest12084-21ssh00:16:532
17829991411,2cyclictest27021-21kworker/u8:221:42:042
17829991411,2cyclictest18544-21ssh23:14:102
17829991411,2cyclictest0-21swapper/220:45:002
1782999140,3cyclictest32034-21sh22:53:192
1782999140,2cyclictest27061-21ssh00:34:042
1782999140,12cyclictest20719-21iostat19:15:162
17828991411,2cyclictest0-21swapper/122:37:481
17828991410,2cyclictest0-21swapper/121:40:261
1782899140,2cyclictest0-21swapper/123:05:191
1782899140,12cyclictest21022-21cut20:35:221
1782899140,12cyclictest0-21swapper/100:30:381
1782899140,12cyclictest0-21swapper/100:12:301
1782799140,12cyclictest0-21swapper/022:50:200
40882130,2sleep20-21swapper/223:33:502
230262130,1sleep10-21swapper/122:08:061
1783099139,2cyclictest457-21expr19:45:173
1783099138,3cyclictest3003-21sensors_temp21:10:253
1783099132,6cyclictest0-21swapper/321:09:593
17830991310,2cyclictest0-21swapper/323:45:273
17830991310,2cyclictest0-21swapper/323:35:043
17830991310,2cyclictest0-21swapper/322:35:363
17830991310,2cyclictest0-21swapper/322:33:243
17830991310,2cyclictest0-21swapper/300:04:253
1783099130,2cyclictest1453-21diskmemload00:37:293
1783099130,2cyclictest0-21swapper/323:42:073
1783099130,2cyclictest0-21swapper/319:40:113
1783099130,12cyclictest0-21swapper/323:54:113
1783099130,12cyclictest0-21swapper/322:42:093
1783099130,12cyclictest0-21swapper/300:15:083
1783099130,12cyclictest0-21swapper/300:05:093
1783099130,11cyclictest26218-21ssh22:46:073
1783099130,11cyclictest0-21swapper/321:35:293
1782999138,3cyclictest0-21swapper/200:10:112
1782999132,6cyclictest0-21swapper/222:50:002
1782999132,6cyclictest0-21swapper/222:40:012
1782999131,10cyclictest0-21swapper/220:50:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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