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2026-02-25 - 09:25
[ 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 #b, slot #7

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.

Note that this system runs a non-RT kernel.
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot7s.osadl.org (updated Wed Feb 25, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26991289029,8881sleep123899-21kworker/1:120:52:471
12781217681,1752sleep031356-1kworker/0:0H23:34:220
20551283833,793sleep120559-21ntpq22:14:381
19952272619,691sleep219986-21memory20:29:352
322326767,656sleep13231-21ntpq21:19:391
322326767,656sleep13231-21ntpq21:19:391
11371244613,416sleep011449-21find21:44:410
2302823749,312sleep123184-21latency_hist22:24:151
26634234910,323sleep126741-21tune2fs19:09:321
1567823318,267sleep115753-21latency_hist23:44:121
18311228910,207sleep118440-21latency_hist22:09:131
28515224138,21sleep10-21swapper/122:39:411
28515224138,21sleep10-21swapper/122:39:411
13581220211,141sleep113615-21basename21:54:111
17697219586,83sleep10-21swapper/120:24:131
3264521857,161sleep10-21swapper/121:09:421
32347218214,148sleep032500-21latency_hist22:54:130
1769218012,94sleep11648-21/usr/sbin/munin22:59:311
2962721659,109sleep129694-21cat22:44:331
2962721659,109sleep129694-21cat22:44:331
9112216312,76sleep10-21swapper/119:54:421
9112216312,76sleep10-21swapper/119:54:421
2727121639,38sleep10-21swapper/100:19:371
11314215727,114sleep1292-21in:imuxsock20:04:101
11314215727,114sleep1292-21in:imuxsock20:04:101
555215410,131sleep1601-21cut22:54:391
31695215318,59sleep10-21swapper/100:34:311
26302215119,40sleep00-21swapper/022:34:230
26302215119,40sleep00-21swapper/022:34:230
15842215172,56sleep115877-21ntpq21:59:361
12210214918,110sleep012312-21/usr/sbin/munin20:04:420
12210214918,110sleep012312-21/usr/sbin/munin20:04:420
2957321479,122sleep029648-21find20:59:440
27230214610,118sleep10-21swapper/122:34:441
27230214610,118sleep10-21swapper/122:34:441
1966214537,94sleep11982-21modprobe19:34:101
7918214356,75sleep17970-21latency21:34:321
3371214110,116sleep23437-21idleruntime23:04:292
18216214139,18sleep10-21swapper/120:24:501
16369213814,109sleep316447-21fschecks_time20:19:313
2653821369,18sleep00-21swapper/019:09:270
24080213556,40sleep10-21swapper/100:09:361
4548213446,16sleep10-21swapper/121:24:311
29829213436,76sleep10-21swapper/119:19:131
29829213436,76sleep10-21swapper/119:19:131
11277213314,100sleep311369-21mailstats21:44:403
25526213120,68sleep10-21swapper/120:48:551
27759213011,105sleep027798-21ntpq20:54:350
19012213068,46sleep10-21swapper/123:54:261
19012213068,46sleep10-21swapper/123:54:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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