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2026-02-21 - 19:48
[ 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 792 highest latencies:
System rackfslot4s.osadl.org (updated Sat Feb 21, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3060421230,2chrt30605-21runrttasks08:10:590
1170821230,2chrt11707-21ssh12:38:190
189721220,3chrt1896-21seq12:23:370
2301521210,2chrt23014-21seq08:51:010
2089421180,2chrt20887-21users09:37:290
2719621170,2chrt27197-21sleep09:47:020
584921160,2chrt5850-21latency_hist12:30:040
3161021160,2sleep031611-21chrt11:30:590
1271321160,3chrt12714-21/usr/sbin/munin11:02:200
612821150,2sleep06129-21chrt10:04:320
514421150,3chrt5143-21seq11:40:220
2746021150,3chrt27461-21seq11:25:040
2515021150,2chrt25151-21runrttasks12:10:120
2271921150,2chrt22698-21diskstats12:06:470
1514421150,2chrt15145-21chrt09:29:390
1163021150,2sleep011631-21seq10:12:040
2804621130,2chrt28047-21sleep10:36:410
2890021110,2chrt28899-21ld07:16:460
2212321090,2chrt22124-21sh11:16:190
1245921090,2sleep012461-21if_eth011:51:000
656021080,2chrt6561-21sleep07:32:180
1873621070,3chrt18735-21grep12:00:370
992321060,2chrt9924-21sh07:38:030
1138621030,2chrt11387-21sleep08:32:170
164902970,1sleep016494-21irqrtprio08:40:460
79822930,2sleep07983-21runrttasks09:18:360
315042920,2sleep031505-21seq09:53:290
135512900,2sleep013554-21missed_timers08:35:510
251782890,2sleep025179-21chrt10:32:200
47022840,2sleep04703-21seq09:13:470
79662830,2sleep07969-21cut10:06:500
8822820,2sleep0886-21irqrtprio08:15:430
306852800,2sleep030688-21latency_hist11:30:000
146272770,2sleep014625-21head11:05:520
198752760,2sleep019876-21runrttasks11:13:030
134072740,2sleep013408-21seq10:15:260
95762730,1sleep09577-21cat11:46:160
29332720,1sleep02934-21seq09:59:530
183182720,2sleep018319-21chrt10:22:080
122782700,1sleep012280-21awk07:41:250
105522670,1sleep010553-21chrt09:22:160
38032640,2sleep03805-21runrttasks10:49:440
272412630,1sleep027243-21date07:15:060
254242620,1sleep025423-21grep09:45:060
181262600,2sleep018165-21awk12:00:020
44212573,7sleep04423-21ntpq08:21:050
23862573,8sleep02399-21sort11:35:590
206072570,1sleep020608-21fschecks_time10:25:540
305212560,2sleep030519-21ssh12:17:260
316222542,7sleep031677-21sshd09:05:270
171802540,1sleep017181-21sh07:50:220
319172533,42sleep031929-21ntpq07:21:130
270292532,43sleep027093-21wc08:57:200
42442522,42sleep04295-21aten2.4_rfpower10:50:320
292762490,2sleep029307-21munin-run08:10:010
24068904718,22cyclictest0-21swapper10:58:210
169822470,1sleep016983-21ls07:50:030
2217324611,18sleep022175-21ntpq07:05:590
75342450,3chrt7535-21sh12:31:530
5632451,36sleep00-21swapper10:44:550
284112440,4chrt28412-21seq09:00:230
231422430,3chrt23141-21sed08:00:030
174042430,1sleep017405-21seq09:32:240
13052420,3chrt1304-21seq07:25:060
24068904116,19cyclictest6349-21apt-get08:25:140
2406890394,16cyclictest24576-21chrt08:01:160
2406890384,25cyclictest21705-21latency_hist08:50:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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