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2026-02-23 - 07:30
[ 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 50 highest latencies:
System rackfslot4s.osadl.org (updated Mon Feb 23, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3012221200,4chrt30121-21seq20:41:170
2189121200,3chrt21892-21sleep22:56:520
1300521200,2chrt12868-21/usr/sbin/munin21:55:330
2731021190,2chrt27308-21/usr/sbin/munin22:16:110
1776621180,2chrt17767-21runrttasks23:39:570
656921170,3chrt6570-21aten2.4_rfpower21:45:500
528121170,3chrt5277-21ntpq20:01:190
3025721140,3chrt30254-21ps21:32:220
2791621140,2chrt27915-21/usr/sbin/munin19:46:290
2454621140,2chrt24547-21runrttasks21:24:090
910321120,2chrt9102-21ssh00:15:260
367521080,2chrt3677-21irqrtprio21:41:080
1638921080,2chrt16388-21/usr/sbin/munin00:26:000
1153721080,2chrt11536-21basename19:20:250
2125821070,1sleep021264-21chrt00:32:570
3241821060,1sleep032419-21seq23:12:330
2153321060,2chrt21536-21cut19:35:460
366621030,3chrt3667-21sh19:59:490
269612930,2sleep026962-21seq23:52:400
307812920,2sleep030782-21seq23:58:520
164552900,2sleep016456-21runrttasks22:49:060
212792890,2sleep021280-21ssh23:44:580
310528510,18sleep03116-21ntpq19:05:510
25892850,2sleep02591-21cut00:05:330
40312840,2sleep04032-21aten2.4_rfpower22:30:360
70102780,2sleep07008-21ld00:11:300
305872780,3sleep030588-21seq19:50:350
119102770,2sleep011911-21chrt21:05:120
144162740,2sleep014417-21chrt23:34:520
215072710,1sleep021508-21runrttasks23:45:120
32802700,1sleep03281-21chrt22:29:270
112942700,1sleep011297-21irqrtprio22:41:030
238302670,1sleep023831-21chrt20:31:090
234932670,2sleep023494-21sh22:10:540
207032650,2sleep020707-21wc22:06:140
101672650,2sleep010168-21/usr/sbin/munin20:10:130
255762630,2sleep025578-21sort00:40:050
241432604,46sleep024147-21diskstats23:00:450
186592600,2sleep018661-21chrt22:52:030
266672573,44sleep026703-21runrttasks19:45:000
192012563,8sleep019204-21seq22:04:430
194982553,41sleep019499-21apt-get20:25:130
106032553,6sleep010601-21ssh21:51:110
3402542,42sleep0316-21ssh00:01:310
24142543,42sleep02469-21cut20:50:020
20022544,9sleep02029-21ps23:16:050
108482543,7sleep010844-21ssh23:29:170
69382534,40sleep06946-21ld20:56:140
151322533,7sleep015270-21sed19:25:450
253452523,7sleep025279-21ssh21:25:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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