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2026-02-10 - 21:58
[ 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 100 highest latencies:
System rackbslot7s.osadl.org (updated Tue Feb 10, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146092731420,7276sleep214122-21apt-get23:49:282
322222165753,1588sleep08212-1kworker/0:1H19:35:020
8026210668,1042sleep025789-1kworker/0:2H21:44:340
8026210668,1042sleep025789-1kworker/0:2H21:44:340
25841286956,792sleep325910-21true20:59:183
1072726266,608sleep310763-21ntpq20:09:423
2645425896,572sleep123601-1kworker/1:2H19:17:051
263922579199,79sleep30-21swapper/322:44:183
8046237981,276sleep38107-21fschecks_time21:44:413
8046237981,276sleep38107-21fschecks_time21:44:413
22566234859,204sleep322709-21latency_hist20:49:203
31997234330,291sleep032147-21sed22:59:500
2099123378,291sleep320971-21latency_hist20:44:193
2099123378,291sleep320971-21latency_hist20:44:193
17376232933,219sleep317483-21fschecks_time22:14:383
26416232217,287sleep026380-21latency_hist22:44:190
26258232218,293sleep317090-1kworker/3:2H19:15:013
28753228464,197sleep328810-21fschecks_count00:34:363
11573225343,126sleep311590-21kernelversion23:39:393
2157222410,6sleep00-21swapper/000:09:480
23678221112,108sleep323809-21latency_hist19:09:193
40622099,182sleep3440-21ps21:19:453
40622099,182sleep3440-21ps21:19:453
5753220812,183sleep35879-21sed23:19:483
2807220474,41sleep32868-21latency_hist21:29:183
2807220474,41sleep32868-21latency_hist21:29:183
21483219822,77sleep30-21swapper/300:09:483
27696219412,166sleep027765-21switchtime00:29:490
21723219210,115sleep321844-21latency_hist22:29:203
1951021876,15sleep00-21swapper/000:04:360
3593218615,92sleep30-21swapper/323:14:353
959321808,112sleep39679-21fschecks_time21:49:383
1123821808,140sleep311272-21idleruntime21:54:393
22877217784,31sleep322972-21fschecks_time20:49:363
49321689,98sleep3586-21grep23:04:383
30819216884,42sleep30-21swapper/321:14:323
23216216761,22sleep323237-21idleruntime-cro22:34:173
17535216614,135sleep117464-21latency_hist23:59:201
17535216614,135sleep117464-21latency_hist23:59:201
7544216314,131sleep17700-21apt-config21:44:191
4353216180,65sleep30-21swapper/321:34:193
6907215611,129sleep06932-21kernelversion23:24:420
30993215558,79sleep331025-21systemctl22:59:173
2006921508,126sleep320210-21grep00:04:483
17047214916,113sleep217131-21mailstats20:29:482
7921214724,101sleep17437-21apt-get21:44:271
7921214724,101sleep17437-21apt-get21:44:271
7228214767,15sleep30-21swapper/319:59:323
22435214637,83sleep122526-21fschecks_time19:04:381
31946214550,80sleep30-21swapper/319:34:563
29540214510,122sleep329569-21kernelversion21:09:393
29540214510,122sleep329569-21kernelversion21:09:393
13532214519,105sleep20-21swapper/223:44:472
13532214519,105sleep20-21swapper/223:44:472
20676214016,104sleep020688-21kernelversion22:24:400
12259213919,105sleep212303-21ntp_kernel_err20:14:502
6726213720,98sleep16766-21fschecks_count23:24:391
12433213737,81sleep30-21swapper/320:14:553
9726213459,19sleep39722-21apt-get23:34:303
5248213453,66sleep35369-21ls21:34:483
5248213453,66sleep35369-21ls21:34:483
24008213351,68sleep324085-21mailstats22:34:453
6255213225,22sleep00-21swapper/021:39:370
3133213237,68sleep30-21swapper/319:44:503
3133213237,68sleep30-21swapper/319:44:503
2816121328,111sleep328172-21sort22:49:273
593421310,7sleep20-21swapper/221:39:182
593421310,7sleep20-21swapper/221:39:182
28186213017,97sleep228187-21sshd22:49:302
2324121290,33sleep023245-21munin-plugin-st22:34:170
15926212814,12sleep00-21swapper/020:24:540
2535121259,97sleep325534-21date19:14:203
14068212518,13sleep30-21swapper/323:48:443
14068212518,13sleep30-21swapper/323:48:443
6054212411,98sleep36101-21ntpq19:54:443
25655212413,90sleep125688-21fschecks_count00:24:371
26253212212,94sleep326347-21fschecks_time20:59:383
8871212034,66sleep30-21swapper/320:04:373
27518212029,18sleep30-21swapper/300:29:443
27124212021,77sleep10-21swapper/100:29:331
14903212016,87sleep014913-21/usr/sbin/munin23:49:420
7272211919,13sleep30-21swapper/321:42:193
2438921196,101sleep324425-21ntpq00:19:423
14802211730,29sleep314944-21sed20:24:203
14802211730,29sleep314944-21sed20:24:203
13228211714,83sleep013373-21sed20:19:200
2708211511,88sleep12479-21/usr/sbin/munin19:44:401
2708211511,88sleep12479-21/usr/sbin/munin19:44:401
1422211535,24sleep31456-21ps19:39:453
20377211119,69sleep120527-21unixbench_multi20:39:491
20377211119,69sleep120527-21unixbench_multi20:39:491
29031211025,72sleep329080-21grep21:09:193
29031211025,72sleep329080-21grep21:09:193
1394621107,89sleep314065-21latency_hist22:04:203
31585210925,17sleep30-21swapper/322:59:413
24774210917,67sleep219802-21systemd-journal22:39:162
15161210815,12sleep30-21swapper/322:05:413
25061210714,22sleep025067-21ntp_states20:55:060
17855210623,17sleep30-21swapper/323:59:353
8258210311,21sleep30-21swapper/323:29:343
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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