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2026-02-20 - 21:20
[ 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 Fri Feb 20, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20605210188,995sleep311131-1kworker/3:2H09:09:543
27632286413,814sleep327641-21unin-run07:49:283
6912240622,363sleep16927-21/usr/sbin/munin11:49:541
31308239328,342sleep331451-21cat09:44:283
6810237313,338sleep36872-21latency_hist10:09:283
3798235613,330sleep03809-21ntp_states11:39:520
6156229413,265sleep26208-21unin-run11:49:272
25689228222,240sleep225710-21munin-plugin-st11:09:262
252452267112,20sleep30-21swapper/309:24:393
18546225569,159sleep30-21swapper/309:04:293
7835223853,127sleep38028-21date11:54:283
3285222835,176sleep33303-21fschecks_count08:14:473
1660222120,87sleep20-21swapper/210:39:292
12948220718,173sleep312995-21ntp_offset08:44:513
779220314,40sleep3912-21grep08:04:583
18965219614,34sleep319058-21latency_hist12:29:283
29886219313,161sleep329326-21/usr/sbin/munin11:19:573
20267219313,162sleep320477-21date09:09:293
856821879,153sleep30-21swapper/310:14:363
856821879,153sleep30-21swapper/310:14:363
19871218271,18sleep30-21swapper/307:24:293
15124217475,85sleep315143-21fschecks_count07:09:473
15124217475,85sleep315143-21fschecks_count07:09:473
632217323,23sleep30-21swapper/309:49:293
12258217219,138sleep312261-21cron08:44:263
32320216624,86sleep30-21swapper/308:04:303
3030216312,137sleep33075-21idleruntime-cro11:39:273
3559216051,29sleep30-21swapper/311:39:473
289572160113,24sleep30-21swapper/309:34:563
22958215810,20sleep122965-21systemctl07:34:281
28035215411,128sleep328109-21sed11:14:483
28035215411,128sleep328109-21sed11:14:483
29921215317,72sleep229402-21/usr/sbin/munin07:54:562
31856215219,115sleep30-21swapper/309:44:533
8340214812,116sleep08353-21/usr/sbin/munin08:29:540
15824214743,33sleep315853-21apt-config12:19:273
3049213621,96sleep13196-21grep09:54:561
23304213621,85sleep00-21swapper/007:34:470
245212135100,15sleep30-21swapper/311:04:473
21090213349,69sleep321249-21latency_hist10:54:293
18893213314,99sleep019047-21grep10:44:570
2731221329,84sleep326793-21/usr/sbin/munin09:29:563
29137213122,90sleep129164-21grep07:54:261
29137213122,90sleep129164-21grep07:54:261
29188213015,98sleep329278-21latency_hist07:54:283
29188213015,98sleep329278-21latency_hist07:54:283
21429212610,40sleep321586-21latency_hist07:29:293
8205212514,35sleep07722-21apt-get11:54:380
10184212234,42sleep00-21swapper/010:19:420
23015212078,24sleep30-21swapper/307:34:303
11340212077,19sleep30-21swapper/312:04:383
22970211820,73sleep223059-21fschecks_time10:59:452
26396211661,43sleep326458-21idleruntime11:09:553
17656211614,20sleep00-21swapper/012:24:410
9977211515,18sleep30-21swapper/311:59:493
16337211460,43sleep316409-21/usr/sbin/munin10:39:273
26623211313,29sleep226781-21modprobe09:29:302
7056211213,86sleep37062-21grep10:09:443
3201211218,25sleep00-21swapper/008:14:440
191621120,11sleep21919-21fschecks_count11:34:442
17420211211,16sleep30-21swapper/307:14:523
12115211214,77sleep212267-21/usr/sbin/munin12:05:012
2549721119,15sleep10-21swapper/109:24:491
18807211160,40sleep318889-21grep10:44:563
4896211054,43sleep34892-21apt-get11:44:393
14485210820,68sleep30-21swapper/308:49:513
13997210720,68sleep314065-21swap07:04:593
29503210651,13sleep30-21swapper/307:54:453
5901210514,17sleep30-21swapper/308:22:423
5213210554,40sleep35239-21munin-run10:04:273
32289210514,74sleep132370-21cat09:45:031
25922210516,72sleep126122-21touch11:09:291
23406210513,78sleep023481-21systemctl09:19:270
13418210538,26sleep20-21swapper/207:04:382
20755210312,19sleep30-21swapper/312:34:413
16375210362,18sleep30-21swapper/312:19:473
7875210010,18sleep30-21swapper/308:29:413
23361210047,37sleep30-21swapper/310:59:543
13373210012,72sleep013382-21awk12:09:520
957429813,68sleep30-21swapper/311:59:293
2523829614,67sleep125244-21ntp_states07:39:531
215622966,24sleep30-21swapper/310:54:493
215622966,24sleep30-21swapper/310:54:493
1781229613,65sleep017906-21/usr/sbin/munin08:59:580
1374529615,58sleep113782-21proc_pri10:29:561
311072949,72sleep031120-21acpi11:24:380
101822949,15sleep30-21swapper/310:19:413
165929322,44sleep30-21swapper/308:09:463
165929322,44sleep30-21swapper/308:09:463
311229216,26sleep10-21swapper/111:39:291
189142929,15sleep10-21swapper/112:29:261
1267329221,55sleep112797-21latency_hist12:09:281
2943929115,61sleep129499-21fschecks_time11:19:461
2201229122,50sleep022076-21modprobe12:39:260
2305129045,13sleep30-21swapper/309:15:023
2173929040,12sleep30-21swapper/307:29:463
193012908,19sleep319386-21perl12:29:443
2694228911,63sleep227087-21unixbench_singl11:10:072
169812898,69sleep316990-21munin-run08:59:283
446328826,40sleep24500-21modprobe08:19:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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