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2026-02-22 - 12:31
[ 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 #f, slot #4

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.

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 rackfslot4s.osadl.org (updated Sun Feb 22, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
366621850,2sleep03667-21chrt19:05:170
997321230,2chrt9974-21seq21:47:000
1908021220,2chrt19081-21sh23:36:500
2269521210,2chrt22680-21munin-run22:55:020
2782721180,2sleep027828-21runrttasks22:13:570
1702621170,2chrt17029-21wc00:22:220
2095721150,2chrt20956-21seq23:40:200
975921140,2chrt9758-21/usr/sbin/munin20:57:270
713121130,3chrt7132-21chrt23:19:480
2466321130,3chrt24661-21seq20:30:250
3077621120,2sleep030777-21if_err_eth023:06:440
815921110,2sleep08160-21seq22:32:390
2372421100,2sleep023725-21timerwakeupswit00:32:210
1537321090,3chrt15372-21awk21:55:380
2577721080,2chrt25778-21sleep22:59:280
1780921070,2chrt17810-21sleep21:10:460
725221060,3chrt7253-21sleep00:07:470
521421050,2chrt5215-21sleep19:58:530
3093721040,2chrt30938-21sleep19:47:220
2144621040,3chrt21447-21sleep19:31:560
287702990,2sleep028772-21stty22:15:370
322512950,2sleep032252-21hostname19:50:240
326692940,4chrt32667-21smart_sda21:32:210
139752910,2sleep013976-21seq23:29:520
259862850,1sleep025987-21mailstats21:22:260
123892820,2sleep012390-21chrt20:10:300
195452790,2sleep019547-21wc19:30:030
156812790,1sleep015682-21sh22:44:190
46402780,2sleep04641-21grep22:27:260
110552710,1sleep011056-21seq22:37:010
82182700,2sleep08219-21runrttasks21:45:010
281572700,1sleep028158-21if_err_can020:35:390
319622680,2sleep031963-21chrt20:41:110
252112650,2sleep025213-21cut23:46:060
167032650,2sleep016704-21chrt23:33:270
23902640,2sleep02391-21basename21:36:050
45822620,2sleep04583-21aten2.4-expect20:50:220
36062620,1sleep03607-21chrt00:02:180
7912610,2sleep0792-21dpkg23:10:160
229472610,2sleep022954-21runrttasks22:06:160
26522570,3sleep02653-21chrt20:46:170
6634905622,24cyclictest9944-21users23:23:110
280032550,1sleep028006-21seq00:39:370
6634905321,23cyclictest10096-21apt-get19:15:130
5402530,1sleep0541-21cat22:21:120
135302530,1sleep013528-21processes21:52:220
6634905224,21cyclictest27860-21cpu23:50:370
6634905220,14cyclictest11951-21runrttasks21:01:290
280252520,1sleep028026-21ps23:02:200
6634905126,15cyclictest28667-21ssh21:26:210
6634905120,12cyclictest12111-21runrttasks00:15:380
6634905119,14cyclictest22226-21ssh21:16:520
6634905118,23cyclictest18403-21/usr/sbin/munin00:26:120
6634905118,22cyclictest5835-21/usr/sbin/munin20:00:470
6634905019,23cyclictest30913-21chrt23:55:190
6634905019,12cyclictest19409-21ntpq20:21:010
6634905018,23cyclictest13032-21apt-get19:20:420
6634905018,22cyclictest16457-21telnet22:45:360
6634905018,14cyclictest23932-21ntpq19:36:060
6634904925,15cyclictest26969-21ntpq19:40:590
6634904924,14cyclictest8399-21apt-get00:10:260
6634904918,22cyclictest9418-21perl20:05:350
6634904918,22cyclictest15133-21/usr/sbin/munin20:16:310
6634904827,14cyclictest22528-21ntpq20:26:020
6634904818,22cyclictest9392-21sleep19:14:130
6634904817,22cyclictest18445-21/usr/sbin/munin22:01:200
6634904723,15cyclictest15454-21sleep21:06:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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