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2026-02-27 - 23:50
[ 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 50 highest latencies:
System rack1slot6s.osadl.org (updated Fri Feb 27, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13643991045,91cyclictest0-21swapper/009:13:400
136439910025,13cyclictest0-21swapper/010:08:210
13643999924,12cyclictest0-21swapper/010:22:230
1364399944,78cyclictest0-21swapper/008:43:540
13643999428,11cyclictest1419-21runrttasks11:12:110
1364399935,26cyclictest0-21swapper/008:52:530
1364399934,81cyclictest0-21swapper/009:21:540
1364399933,82cyclictest0-21swapper/009:08:270
13643999319,9cyclictest1554-21kworker/0:008:59:300
13643999318,10cyclictest6796-21ssh07:58:260
1364399925,12cyclictest31009-21ssh10:58:170
13643999218,13cyclictest0-21swapper/008:23:320
1364399915,12cyclictest0-21swapper/011:04:010
1364399914,26cyclictest0-21swapper/008:38:290
1364399914,12cyclictest0-21swapper/009:53:400
13643999130,53cyclictest0-21swapper/010:48:280
1364399913,22cyclictest1234-21ssh10:13:260
13643999119,9cyclictest9538-21ssh09:38:210
13643999113,9cyclictest23552-21ssh08:23:120
1364399904,35cyclictest0-21swapper/010:29:000
1364399904,35cyclictest0-21swapper/010:29:000
1364399904,13cyclictest0-21swapper/009:36:160
13643999016,12cyclictest0-21swapper/010:37:530
13643999014,14cyclictest0-21swapper/008:53:330
13643999011,13cyclictest0-21swapper/007:03:270
1364399896,15cyclictest0-21swapper/011:23:490
1364399894,16cyclictest0-21swapper/009:03:330
1364399894,16cyclictest0-21swapper/009:03:330
1364399893,31cyclictest1287-21snmpd10:54:030
13643998920,13cyclictest17537-21munin-node10:38:270
13643998914,10cyclictest121850irq/46-eth011:18:350
1364399889,18cyclictest0-21swapper/008:13:360
1364399885,24cyclictest0-21swapper/008:28:300
1364399884,29cyclictest0-21swapper/010:03:380
1364399884,23cyclictest0-21swapper/010:45:020
1364399884,23cyclictest0-21swapper/009:23:300
13643998821,11cyclictest16263-21munin-node09:48:380
13643998821,11cyclictest16263-21munin-node09:48:380
13643998818,12cyclictest0-21swapper/008:08:280
13643998814,9cyclictest121850irq/46-eth008:33:300
1364399874,33cyclictest0-21swapper/009:43:280
1364399874,33cyclictest0-21swapper/009:43:280
1364399874,13cyclictest0-21swapper/010:24:070
1364399873,12cyclictest0-21swapper/010:00:450
1364399866,18cyclictest0-21swapper/009:28:340
1364399865,15cyclictest0-21swapper/011:13:220
1364399865,15cyclictest0-21swapper/011:13:220
1364399864,74cyclictest0-21swapper/006:48:430
1364399864,25cyclictest0-21swapper/006:26:440
1364399864,24cyclictest0-21swapper/008:05:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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