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2026-02-10 - 21:05
[ 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 Feb 10, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
869921260,2chrt8701-21irqrtprio08:40:450
3052421190,2sleep030525-21fschecks_count09:15:550
438921170,3chrt4388-21seq09:25:310
3134021170,2chrt31334-21smartctl11:42:210
2126921170,3chrt21272-21sleep12:16:080
896721160,3chrt8954-21ntpq09:31:380
438921150,2sleep04387-21open_files11:02:110
3268821150,2sleep032689-21runrttasks12:33:300
2974121140,3chrt29736-21users10:02:250
1012221140,3chrt10121-21seq12:00:030
922621120,2chrt9229-21wc11:10:040
1868221120,3chrt18683-21chrt08:05:170
1950621110,1sleep019507-21irqrtprio10:36:070
1686421110,3chrt16865-21sleep08:54:260
2951021090,3chrt29511-21chrt09:14:250
2315621090,2chrt23154-21/usr/sbin/munin08:11:260
220921070,3chrt2210-21chrt10:10:370
3127021060,3chrt31272-21awk08:25:260
1212021060,2sleep012121-21cat09:36:440
980221050,2chrt9803-21sleep10:21:210
2925121040,3sleep029252-21seq08:21:130
2863121010,2sleep028632-21sh11:38:360
131512980,2sleep013217-21seq07:05:060
4782940,2sleep0479-21rm10:56:110
222382900,1sleep022239-21cat09:51:180
21652900,2sleep02169-21latency12:36:100
207402890,2sleep020743-21cut11:26:510
155562890,2sleep015557-21chrt08:00:130
275802870,2sleep027581-21basename12:26:010
158412860,2sleep015842-21runrttasks12:07:560
260822840,2sleep026083-21chrt07:25:220
244832830,2sleep024484-21collect211:32:130
298412780,2sleep029842-21chrt10:51:320
35552760,2sleep03556-21chrt11:50:060
3642750,1sleep0363-21grep07:35:340
135532750,1sleep013554-21collect210:27:090
250022740,2sleep025003-21chrt09:06:270
152082740,2sleep015209-21chrt11:18:410
194442730,2sleep019445-21/usr/sbin/munin09:47:120
68172690,2sleep06819-21sort11:55:040
248902660,2sleep024892-21grep09:55:500
227942660,1sleep022795-21cat07:20:090
10542660,1sleep01052-21aten2.4_rfpower09:20:340
256122640,1sleep025613-21rm12:22:260
20592640,1sleep02060-21cat08:30:300
151772640,2sleep015178-21cat09:41:020
261652560,2sleep026166-21chrt08:16:190
133362560,2sleep013333-21ssh12:04:530
278322540,3sleep027830-21ssh10:48:550
75532532,7sleep07562-21ld07:46:220
225142535,39sleep022507-21ssh10:41:000
312522510,2sleep031254-21head10:05:310
16323905119,24cyclictest0-21swapper10:19:160
294612472,38sleep028943-21apt-get07:30:320
186902461,4sleep00-21swapper12:12:160
97312450,3sleep09729-21ssh11:10:390
226452450,2chrt22628-21apt-config07:20:050
16323904420,15cyclictest412-21snmpd08:45:310
122092442,35sleep012235-21munin-run07:55:000
1632390435,20cyclictest412-21snmpd07:55:160
185552420,2chrt18556-21sh07:12:440
16323904217,18cyclictest6036-21ntpq08:36:090
1632390414,9cyclictest17788-21ssh10:33:470
16323904115,18cyclictest412-21snmpd07:40:120
16323904115,18cyclictest15989-21apt-get11:20:290
1632390407,13cyclictest18430-21ntpq08:56:040
16323904011,21cyclictest21910-21python309:01:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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