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2026-02-09 - 13:19
[ 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 376 highest latencies:
System rackfslot4s.osadl.org (updated Mon Feb 09, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
270721250,2chrt2705-21ssh22:45:390
1243421220,3chrt12435-21aten2.4_rfpower23:00:320
1012421210,3chrt10125-21runrttasks00:34:020
766321200,2chrt7662-21/usr/sbin/munin23:41:110
3084321200,3chrt30842-21/usr/sbin/munin23:27:130
2314621190,3chrt23147-21seq22:27:120
1855421160,2sleep018552-21open_inodes21:32:190
797521150,2chrt7974-21/usr/sbin/munin20:25:290
1836321150,3chrt18364-21runrttasks23:09:090
725521140,3chrt7256-21date00:30:040
266821140,2sleep02669-21sh23:34:040
2101821120,2chrt21015-21ld23:12:480
1573421120,3chrt15735-21sleep21:27:580
1134021120,3chrt11341-21chrt21:21:190
231621110,2sleep02319-21seq00:21:570
1686721110,2chrt16866-21/usr/sbin/munin19:46:310
2465721100,3chrt24658-21chrt20:00:240
2341721100,2sleep023418-21basename00:05:330
1486421100,3chrt14865-21ssh23:52:040
2391621090,2sleep023917-21cpuspeed21:40:390
1233321090,3chrt12329-21tune2fs22:11:270
712721080,2chrt7124-21ntpq19:31:080
590521080,2chrt5906-21stty22:50:360
1133721080,4chrt11338-21sleep19:38:240
916921070,2sleep09170-21irqrtprio22:06:510
2343021070,4chrt23432-21sh20:50:190
2297821070,1sleep022979-21chrt00:04:570
1874521070,2chrt18747-21grep20:41:280
316721060,3chrt3168-21chrt21:57:300
3121521060,2chrt31218-21timerandwakeup21:01:300
699121020,2chrt6992-21sh20:23:450
2431421020,2chrt24315-21sleep19:59:570
2131321020,2sleep021314-21load21:36:180
257952950,2chrt25797-21latency_hist19:10:030
308342930,2sleep030836-21cut21:50:540
132382920,2sleep013239-21ld19:40:580
285182900,2sleep028519-21sh21:47:060
268902900,2sleep026891-21cpu00:10:360
207352890,1sleep020737-21fschecks_time20:45:340
111502870,2chrt11123-21ntpq23:46:200
120192820,1sleep012020-21seq22:59:550
314962810,2sleep031499-21cut20:10:440
112852780,2sleep011282-21tune2fs00:35:520
60502750,2sleep06052-21chrt21:13:540
7722720,2sleep0773-21chrt19:20:560
147232680,2sleep014725-21chrt22:15:060
277722660,2sleep027776-21wc23:22:250
283512640,1sleep028353-21ssh22:35:340
17202630,1sleep01721-21seq22:44:070
259102563,42sleep025906-21memory22:31:130
44772543,6sleep04473-21ntpq23:36:180
40982532,7sleep04101-21ntp_states19:26:180
259512536,6sleep0436-21runrttasks19:10:160
43892513,40sleep04407-21cut20:20:020
277572512,5sleep027765-21ntpq20:56:140
25781905020,22cyclictest0-21swapper00:18:110
212632490,3chrt21262-21seq19:55:010
155712490,3sleep015572-21awk20:36:260
83212483,38sleep08333-21sh21:17:010
61212470,2chrt6119-21ld22:02:060
25781904518,20cyclictest0-21swapper22:24:330
122862450,3sleep012284-21ntp_kernel_err20:31:430
289402440,3sleep028934-21sshd20:06:150
2578190444,12cyclictest624-21diskstats21:05:330
227442440,4chrt22743-21grep23:15:370
166452443,34sleep016547-21apt-get23:55:280
2578190394,17cyclictest30345-21ntpq19:16:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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