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2026-03-03 - 21:35
[ 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 highest latencies:
System rackfslot4s.osadl.org (updated Tue Mar 03, 2026 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
677221270,3chrt6771-21/usr/sbin/munin09:36:450
967821250,2sleep09679-21hddtemp_smartct09:40:580
1181921240,2sleep011820-21seq12:10:090
723421210,3chrt7235-21latency_hist11:15:040
620321180,2sleep06202-21seq10:24:280
3221921180,3chrt32222-21modprobe10:15:000
2092721170,3chrt20929-21runrttasks11:35:260
1357321170,2chrt13572-21seq11:24:200
3193921140,2sleep031964-21if_can011:51:420
1298121140,2chrt12982-21chrt08:05:020
1635521130,2chrt16356-21sh09:01:210
2553721120,3chrt25538-21sleep11:41:330
955921110,2chrt9562-21kernelversion12:06:100
3017921110,3chrt30178-21ssh12:37:000
2536521100,1sleep025366-21chrt10:04:290
2173021100,2sleep021731-21chrt09:10:510
2614521090,2sleep026146-21runrttasks10:54:300
3266021070,2chrt32661-21sleep11:04:110
1274621060,2chrt12747-21sh09:45:390
2104921050,2chrt21048-21seq07:25:420
3014521020,2chrt30146-21sh09:22:460
197521010,2sleep01976-21awk10:17:210
175622970,2sleep017560-21threads09:52:190
24492960,2sleep02447-21open_inodes11:07:110
195972950,1sleep019599-21cut09:55:550
295662920,2sleep029567-21chrt10:59:460
181352840,1sleep018137-21switchtime08:12:030
50572830,1sleep05056-21seq12:00:050
248982820,2sleep024900-21aten2.4_rfpower09:15:370
167362820,2sleep016737-21basename10:40:310
272892790,2sleep027293-21rm10:06:470
108112798,16sleep010815-21sleep07:09:450
296552780,2sleep029657-21sort07:40:030
255472780,2sleep025549-21chrt12:30:340
163782780,2sleep016379-21seq11:28:070
66542760,2sleep06655-21seq10:25:160
322362750,1sleep032237-21seq07:43:450
148192720,2sleep014821-21latency_hist09:00:010
30352710,2sleep03036-21fschecks_time08:40:330
291162650,1sleep029119-21seq11:47:040
299002640,2sleep029902-21chrt08:30:570
5822610,2sleep0583-21seq08:35:590
46532610,1sleep04660-21runrttasks09:33:270
211522610,1sleep021154-21grep09:10:050
57202584,42sleep05677-21apt-get08:45:170
167742553,44sleep016782-21ssh12:16:480
152802553,6sleep015277-21ntpq07:15:540
249862543,8sleep024981-21ssh12:29:520
181062543,9sleep018110-21df11:31:020
33962530,2sleep03397-21cat07:50:030
200492532,6sleep020035-21ssh12:21:410
10822520,1sleep01083-21runrttasks09:27:540
56532512,41sleep05723-21grep12:00:500
206082513,9sleep020618-21/usr/sbin/munin08:16:010
10981905121,23cyclictest0-21swapper10:49:350
229882502,40sleep022992-21diskstats08:20:330
101022493,39sleep010143-21aten2.4_rfpower10:30:310
10981904817,22cyclictest0-21swapper11:18:590
144322465,33sleep014453-21ntpq10:36:140
235852423,32sleep023548-21apt-get07:30:180
1098190425,11cyclictest7256-21if_eth007:55:440
1098190416,8cyclictest27029-21ntpq08:26:190
10981904019,14cyclictest0-21swapper07:10:300
10981904017,15cyclictest0-21swapper08:50:120
10981903916,15cyclictest0-21swapper07:50:110
10981903819,11cyclictest18002-21/usr/sbin/munin07:20:400
1098190377,10cyclictest13114-21chrt08:05:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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