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2026-02-11 - 16:16
[ 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 Wed Feb 11, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299972269813,2670sleep030499-21kworker/u8:109:35:260
29983291017,881sleep322988-1kworker/3:2H09:35:173
22055256916,537sleep122065-21ntpq10:50:241
883256611,501sleep322988-1kworker/3:2H09:45:113
883256611,501sleep322988-1kworker/3:2H09:45:113
9982254723,504sleep010005-21/usr/sbin/munin11:55:210
5061252518,491sleep05071-21/usr/sbin/munin11:40:190
3225624539,428sleep332293-21unin-run11:24:593
9062242812,402sleep29098-21ntpq10:10:222
21011239542,313sleep321092-21timerandwakeup09:05:293
23774238020,340sleep223768-21apt-get07:35:132
13546229984,195sleep313619-21mandb08:42:353
10817229228,64sleep30-21swapper/310:15:283
132992288116,149sleep30-21swapper/310:24:573
15935226669,181sleep315946-21fschecks_count12:15:153
15935226669,181sleep315946-21fschecks_count12:15:153
9699224667,25sleep30-21swapper/311:55:163
27124224258,27sleep30-21swapper/309:25:283
351223840,147sleep3399-21apt-key09:44:593
9314222666,54sleep30-21swapper/308:30:233
4664221228,168sleep34755-21cat09:55:293
2267222118,99sleep30-21swapper/307:30:253
18108221130,120sleep318248-21latency_hist10:39:593
28934220610,181sleep329072-21unixbench_singl09:30:293
31739220112,82sleep331761-21modprobe07:59:583
9241220065,19sleep30-21swapper/310:10:273
7214219863,117sleep37287-21fschecks_time10:05:183
30242219410,64sleep330366-21latency_hist07:55:013
21718218918,158sleep121727-21unin-run09:09:591
18535218424,141sleep118553-21sendmail08:59:571
17278217912,154sleep317342-21timerandwakeup07:15:073
25286217814,20sleep30-21swapper/311:00:273
14850217814,152sleep014900-21unin-run10:29:590
23975217349,44sleep30-21swapper/309:15:263
19337217013,50sleep30-21swapper/307:20:203
19337217013,50sleep30-21swapper/307:20:203
18013216713,140sleep318091-21switchtime12:20:283
18013216713,140sleep318091-21switchtime12:20:283
5830216523,126sleep05851-21kernelversion10:00:180
2062121617,141sleep320683-21fschecks_time12:30:183
14782215928,113sleep30-21swapper/312:10:273
190821588,42sleep32042-21grep08:05:313
25305215785,51sleep30-21swapper/309:20:193
4024215220,78sleep30-21swapper/308:15:003
7761214828,25sleep37798-21sed08:25:223
1049521478,83sleep310542-21grep08:35:163
25099214617,115sleep125100-21cpu09:20:131
3702214323,100sleep03728-21awk09:54:570
3702214323,100sleep03728-21awk09:54:570
2869121427,109sleep30-21swapper/307:50:003
1464821387,118sleep314696-21processes08:45:303
19774213617,103sleep119816-21true10:44:581
9377213510,70sleep30-21swapper/311:55:003
5611213562,25sleep30-21swapper/308:20:013
5611213562,25sleep30-21swapper/308:20:013
21784213410,108sleep321926-21latency_hist09:10:013
21784213410,108sleep321926-21latency_hist09:10:013
13589213415,92sleep30-21swapper/310:25:133
13351213415,102sleep213455-21latency_hist10:25:002
1463321337,13sleep00-21swapper/008:45:270
14082213233,73sleep014144-21fschecks_time07:05:190
2977121299,62sleep30-21swapper/311:15:223
28341212954,33sleep328432-21cut11:10:293
2322921297,59sleep30-21swapper/310:55:143
22170212914,95sleep10-21swapper/112:35:161
2925212718,74sleep30-21swapper/311:32:383
2636921278,65sleep30-21swapper/307:40:433
2636921278,65sleep30-21swapper/307:40:433
16989212629,63sleep317016-21munin-run08:54:593
16989212629,63sleep317016-21munin-run08:54:593
30090212517,94sleep230146-21tune2fs09:35:372
12802212419,81sleep112932-21sed08:40:311
7479212320,77sleep27570-21fschecks_time08:25:172
87221217,55sleep3899-21munin-run08:04:593
22290212021,79sleep221584-21/usr/sbin/munin10:50:292
18521211923,54sleep30-21swapper/310:40:163
32061211715,19sleep00-21swapper/008:00:150
1093211715,86sleep232723-21/usr/sbin/munin11:25:472
2327921165,29sleep30-21swapper/312:39:103
17204211613,83sleep217277-21munin-node07:15:062
1610211610,55sleep30-21swapper/311:30:003
369021155,27sleep30-21swapper/309:54:483
369021155,27sleep30-21swapper/309:54:483
9651211015,79sleep29757-21unixbench_multi08:30:302
2438421107,88sleep324478-21sed07:35:303
13351210810,17sleep20-21swapper/208:42:052
22577210723,68sleep222681-21grep09:10:292
22577210723,68sleep222681-21grep09:10:292
329321059,15sleep10-21swapper/109:50:301
329321059,15sleep10-21swapper/109:50:301
28439210514,77sleep228440-21sshd07:47:252
6068210450,14sleep30-21swapper/310:00:263
18823210311,79sleep322988-1kworker/3:2H09:00:083
18823210311,79sleep322988-1kworker/3:2H09:00:083
31767210216,70sleep031824-21awk09:40:190
3972210113,72sleep03984-21apt-get09:55:100
31318210111,70sleep131368-21latency_hist09:40:001
3483210010,76sleep33576-21grep11:35:173
32490210023,57sleep232515-21sshd08:00:252
28192210014,71sleep228212-21cpu09:30:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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