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2026-02-24 - 03:03
[ 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 24, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
95782109214,1041sleep29580-21apt-get23:49:262
2188728489,762sleep221935-21unin-run21:04:152
960427408,721sleep311437-1kworker/3:2H23:49:393
10976233514,304sleep211019-21true20:29:152
29390233039,193sleep229527-21unixbench_singl21:24:472
23210224513,216sleep323256-21/usr/sbin/munin19:24:153
11852222743,167sleep212002-21unixbench_singl23:54:472
25004222531,179sleep225145-21date00:39:172
9903222237,167sleep29931-21munin-plugin-st22:09:132
11824222141,128sleep211716-21/usr/sbin/munin22:14:352
3511221931,84sleep23556-21grep23:29:392
6373221517,140sleep26524-21latency_hist20:14:172
31641221514,105sleep231786-21unixbench_singl23:14:482
614221439,85sleep2694-21switchtime23:19:452
8440221330,90sleep20-21swapper/220:19:382
12816220777,59sleep20-21swapper/220:34:322
1476219517,141sleep21570-21timerandwakeup21:39:452
23517219310,167sleep023657-21cat21:09:180
21426218847,59sleep20-21swapper/222:44:352
4936218712,160sleep14950-21uname23:34:341
4798218657,106sleep24893-21latency_hist20:09:162
15314217944,78sleep20-21swapper/222:24:402
21862217815,144sleep1222-21systemd-journal00:29:151
272842174100,52sleep227337-21systemd-run23:04:142
137762172100,53sleep20-21swapper/222:19:402
137762172100,53sleep20-21swapper/222:19:402
26792216765,84sleep226795-21cron21:19:142
17077215911,134sleep00-21swapper/020:47:420
11750215626,112sleep111851-21/usr/sbin/munin23:54:461
31026215449,89sleep223174-1kworker/2:2H19:49:172
19273214516,112sleep019276-21sshd19:12:090
1270021420,15sleep026314-21kworker/u8:020:34:160
4052213618,97sleep14146-21fschecks_time21:49:341
2195213518,104sleep22296-21timerandwakeup23:24:462
31347213439,19sleep20-21swapper/219:49:342
7605212819,92sleep27757-21latency_hist23:44:172
22320212741,40sleep20-21swapper/200:29:362
23772212559,49sleep20-21swapper/219:24:392
20539212314,95sleep020541-21acpi00:24:250
10463212345,40sleep20-21swapper/222:09:382
5938212231,68sleep05965-21grep23:39:140
24226212123,75sleep324376-21grep19:24:483
5227212032,74sleep21-21systemd21:54:152
22410211919,24sleep20-21swapper/219:19:422
6018211831,21sleep20-21swapper/223:39:162
19565211815,86sleep219628-21munin-run19:14:172
16146211719,52sleep20-21swapper/220:44:372
28265211616,84sleep128372-21tune2fs19:39:351
32328211512,20sleep20-21swapper/221:34:492
17460211427,64sleep20-21swapper/220:49:262
17223211323,70sleep117309-21mailstats22:30:251
25442211226,74sleep225477-21ntpq19:29:392
23355211211,87sleep022870-21/usr/sbin/munin22:49:420
1564721128,13sleep20-21swapper/200:09:172
24714211138,14sleep20-21swapper/222:54:372
24714211138,14sleep20-21swapper/222:54:372
9839211026,15sleep30-21swapper/320:24:353
20705211015,76sleep120769-21fschecks_time20:59:341
19208210950,48sleep213441-21snmpd22:35:472
13529210922,62sleep313679-21sed20:34:493
30669210523,21sleep230773-21date23:14:162
1529521055,13sleep20-21swapper/220:39:492
2601210310,77sleep12637-21/usr/sbin/munin21:44:371
21938210317,69sleep022028-21sort21:04:170
21874210319,27sleep221935-21latency_hist00:29:162
5597210218,70sleep35633-21fschecks_count21:54:323
22892210246,15sleep20-21swapper/222:49:282
930221019,20sleep20-21swapper/223:49:172
5139210117,61sleep05241-21fschecks_time20:09:340
30105210110,66sleep00-21swapper/023:09:460
2486421019,81sleep00-21swapper/000:38:300
20679210131,11sleep20-21swapper/219:14:452
13950210110,80sleep013441-21snmpd20:37:410
3078210016,65sleep20-21swapper/220:02:422
27815210021,16sleep20-21swapper/223:04:312
27815210021,16sleep20-21swapper/223:04:312
21635210019,60sleep321658-21munin-run19:19:143
11810210017,57sleep311241-21/usr/sbin/munin20:29:443
2032729911,72sleep020469-21cut00:24:170
1248429922,50sleep312633-21grep22:14:483
2836629821,16sleep20-21swapper/221:24:142
1665329718,59sleep316145-21apt-get22:29:263
2639029615,63sleep126423-21/usr/sbin/munin22:59:411
885129515,55sleep38998-21grep20:19:473
1340929514,67sleep313462-21fschecks_count22:19:323
1340929514,67sleep313462-21fschecks_count22:19:323
3109229415,59sleep330884-21/usr/sbin/munin23:14:373
325429247,20sleep00-21swapper/020:04:170
178092925,74sleep20-21swapper/222:32:442
28202919,69sleep22867-21ntpq21:44:422
991429013,43sleep10-21swapper/123:49:531
1212229037,14sleep20-21swapper/220:29:472
3272897,68sleep2335-21apt-get19:54:262
3272897,68sleep2335-21apt-get19:54:262
2471728911,66sleep324719-21sshd21:10:423
201652895,13sleep20-21swapper/200:22:492
1442728915,23sleep30-21swapper/300:04:373
219628619,47sleep12156-21latency_hist21:44:171
1279728612,57sleep20-21swapper/223:59:312
594128510,56sleep20-21swapper/221:54:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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