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2026-02-22 - 12:31
[ 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 Sun Feb 22, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
203812115718,1127sleep223174-1kworker/2:2H23:04:342
15437273012,702sleep115461-21/usr/sbin/munin00:29:381
2685926008,580sleep226903-21ntpq19:59:482
17252251012,482sleep331126-1kworker/3:0H00:34:413
7855248017,443sleep27982-21timerwakeupswit22:24:532
29020243811,411sleep029063-21ntpq23:29:440
9083232415,254sleep29101-21fschecks_count22:29:412
15495230913,52sleep20-21swapper/222:49:442
15195225347,116sleep20-21swapper/221:04:492
16858224848,29sleep20-21swapper/222:54:412
23080223348,28sleep20-21swapper/221:29:532
26307223235,173sleep226457-21unixbench_multi23:20:502
26307223235,173sleep226457-21unixbench_multi23:20:502
29954223013,201sleep330084-21latency_hist23:34:233
2379022279,205sleep023798-21ntpq19:49:490
1147622238,199sleep211594-21vmstat19:14:262
1147622238,199sleep211594-21vmstat19:14:262
2796222112,186sleep12874-21sed22:09:451
9411221345,60sleep29424-21kernelversion00:09:442
412622067,54sleep24197-21switchtime20:29:522
412622067,54sleep24197-21switchtime20:29:522
336521949,165sleep23515-21latency_hist20:29:242
10082218641,29sleep20-21swapper/220:49:592
30401217745,117sleep230453-21cat23:34:432
15897217316,115sleep20-21swapper/200:29:512
4812217010,111sleep20-21swapper/223:54:462
4812217010,111sleep20-21swapper/223:54:462
2195521699,149sleep013441-21snmpd21:25:470
21009216411,136sleep021082-21find23:05:050
25417216115,132sleep00-21swapper/019:54:530
11971216010,123sleep212009-21sendmail00:19:212
43921589,139sleep213441-21snmpd22:01:182
43921589,139sleep213441-21snmpd22:01:182
12218215815,122sleep212287-21fschecks_time22:39:432
12263215186,41sleep20-21swapper/200:19:332
31719215011,94sleep20-21swapper/220:14:462
31719215011,94sleep20-21swapper/220:14:462
1638421507,41sleep216447-21cut21:09:422
23731214744,51sleep20-21swapper/219:49:462
2297214730,58sleep22339-21sort20:24:432
31673213922,94sleep331875-21sort23:39:243
32753213818,62sleep20-21swapper/223:40:002
14847213711,107sleep214957-21dpkg19:24:232
6463213513,106sleep06543-21latency_hist20:39:230
6382212644,33sleep26419-21cron20:39:212
21904212666,19sleep20-21swapper/219:44:422
10579212110,70sleep210653-21cat19:09:532
10579212110,70sleep210653-21cat19:09:532
28548212013,93sleep028596-21sed20:05:030
25947212018,50sleep20-21swapper/219:56:572
2496121208,102sleep213441-21snmpd23:18:562
29251211911,56sleep229338-21tr21:49:522
27704211834,72sleep227780-21systemctl21:44:512
11886211711,58sleep20-21swapper/222:39:222
2613211510,54sleep22686-21fschecks_time22:09:422
20551211529,13sleep20-21swapper/221:22:382
7279211341,61sleep20-21swapper/200:03:582
28916211311,49sleep20-21swapper/223:29:422
1915721139,91sleep219227-21sensors23:00:182
4862211214,23sleep14972-21users22:14:541
4071211212,86sleep04106-21cpu22:14:370
9550211111,63sleep29634-21apt-key20:49:222
30551211137,60sleep230698-21uptime20:09:532
30551211137,60sleep230698-21uptime20:09:532
23526211130,39sleep223677-21latency_hist23:14:242
995921100,6sleep10-21swapper/120:49:241
697521107,67sleep26679-21/usr/sbin/munin20:39:452
2656211016,75sleep02753-21latency_hist23:49:230
2603210912,52sleep20-21swapper/223:49:202
9136210712,73sleep19167-21sort22:29:561
14986210747,47sleep215036-21latency_hist22:49:242
4654210617,77sleep07738-1kworker/0:1H20:32:040
4654210617,77sleep07738-1kworker/0:1H20:32:040
24174210613,79sleep024274-21grep21:34:430
16567210612,78sleep116636-21sort21:09:451
5743210510,55sleep20-21swapper/222:19:402
3071121048,39sleep20-21swapper/221:54:482
2874421048,44sleep228808-21ps20:05:092
105521049,53sleep20-21swapper/220:19:512
105521049,53sleep20-21swapper/220:19:512
7782210318,66sleep17572-21/usr/sbin/munin00:04:421
2451121038,54sleep20-21swapper/221:34:492
1538221038,73sleep10-21swapper/119:24:501
1538221038,73sleep10-21swapper/119:24:501
9673210142,34sleep30-21swapper/319:09:223
4153210112,35sleep20-21swapper/223:54:212
9784210014,68sleep09958-21find20:49:240
16672210017,69sleep016742-21apt-key00:34:210
3103029917,55sleep031183-21head21:54:540
1714029921,25sleep20-21swapper/200:34:312
120322987,41sleep212055-21ntp_states20:54:482
9742978,35sleep2191-21jbd2/mmcblk2p2-22:04:372
9742978,35sleep2191-21jbd2/mmcblk2p2-22:04:372
1749829738,41sleep20-21swapper/219:29:522
1503829714,66sleep315177-21cat22:49:253
183032967,16sleep00-21swapper/021:14:490
2813929511,71sleep328140-21sshd23:26:363
1345129540,34sleep20-21swapper/220:59:442
1345129540,34sleep20-21swapper/220:59:442
1817529317,60sleep018352-21latency_hist22:59:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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