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2026-01-28 - 02:08
[ 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 #1, slot #6

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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  Intel
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.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Wed Jan 28, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322209910842,15cyclictest0-21swapper/020:32:160
322209910646,13cyclictest0-21swapper/023:51:580
32223999525,62cyclictest0-21swapper/222:51:592
32223999444,28cyclictest24474-21gltestperf21:12:102
32223999239,30cyclictest13546-21cpuspeed_turbos23:22:012
32223998631,32cyclictest0-21swapper/220:56:512
32223998433,44cyclictest0-21swapper/223:36:592
32223998430,47cyclictest0-21swapper/222:06:162
32223998337,39cyclictest19781-21sshd22:42:092
32223998334,43cyclictest21638-21aten_r1power_cu19:12:062
32223998333,32cyclictest27550-21munin-node22:07:132
32223998231,34cyclictest0-21swapper/220:32:152
32223998231,31cyclictest0-21swapper/221:37:202
32223998138,35cyclictest7943-21sendmail_mailqu23:12:152
32223998130,44cyclictest0-21swapper/222:27:062
32223998129,45cyclictest0-21swapper/221:57:242
32223998128,46cyclictest0-21swapper/222:17:222
32223998034,39cyclictest9456-21crond18:46:562
32223998034,39cyclictest9456-21crond18:46:562
32223998034,29cyclictest24960-21diskmemload23:27:152
32223998034,29cyclictest24960-21diskmemload23:27:152
32223998034,28cyclictest3037-21ssh20:41:432
32223998033,40cyclictest26304-21grep20:27:162
32223998033,32cyclictest0-21swapper/221:17:192
32223998032,41cyclictest0-21swapper/221:42:032
32223998032,30cyclictest18474-21hwlatdetect21:52:092
32223998031,38cyclictest30764-21ps23:47:142
32223998031,29cyclictest12163-21kworker/2:022:32:112
32223998029,44cyclictest18015-21latency21:02:162
32223997934,29cyclictest2106-21unixbench_multi23:52:172
32223997933,39cyclictest4002-21expr23:07:072
32223997931,42cyclictest0-21swapper/223:20:102
32223997931,33cyclictest0-21swapper/223:03:002
32223997927,34cyclictest0-21swapper/220:47:022
32223997832,40cyclictest0-21swapper/221:11:412
32223997831,31cyclictest0-21swapper/223:00:072
32223997827,29cyclictest0-21swapper/222:51:472
32223997827,29cyclictest0-21swapper/222:51:472
32223997826,44cyclictest0-21swapper/221:31:482
32223997826,44cyclictest0-21swapper/221:31:482
32223997733,37cyclictest2537-21munin-node18:32:262
32223997730,31cyclictest0-21swapper/221:34:122
32223997730,31cyclictest0-21swapper/221:24:202
32223997728,41cyclictest0-21swapper/222:38:392
32223997725,44cyclictest0-21swapper/222:26:002
32223997725,44cyclictest0-21swapper/219:07:212
32223997632,29cyclictest30878-21ssh22:11:582
32223997632,29cyclictest30878-21ssh22:11:582
32223997622,33cyclictest0-21swapper/218:47:102
32223997622,33cyclictest0-21swapper/218:47:102
248599760,5rtkit-daemon2484-21rtkit-daemon23:16:591
32223997534,34cyclictest21476-21ssh23:33:192
32223997530,38cyclictest0-21swapper/221:48:052
32223997528,29cyclictest0-21swapper/220:17:522
32223997528,29cyclictest0-21swapper/220:17:522
32223997433,25cyclictest0-21swapper/220:02:052
32223997430,38cyclictest0-21swapper/220:22:112
32223997428,31cyclictest0-21swapper/220:58:462
32223997428,20cyclictest0-21swapper/223:46:372
32223997327,40cyclictest0-21swapper/219:28:072
32223997326,39cyclictest0-21swapper/219:47:062
32223997230,35cyclictest2264-21latency_hist18:31:582
32223997227,38cyclictest0-21swapper/219:22:252
32223997224,33cyclictest0-21swapper/220:42:282
32222997216,48cyclictest7760-21crond21:36:501
248599720,6rtkit-daemon0-21swapper/119:25:540
32223997132,24cyclictest1287-21snmpd19:34:452
32223997132,24cyclictest1287-21snmpd19:34:452
32223997029,34cyclictest15128-21fschecks_count18:57:142
32223996929,22cyclictest0-21swapper/220:14:152
32223996929,22cyclictest0-21swapper/220:14:152
32223996925,38cyclictest0-21swapper/219:52:102
248599690,6rtkit-daemon0-21swapper/121:34:480
32223996830,31cyclictest16908-21taskset20:07:192
32223996825,28cyclictest0-21swapper/219:43:092
3222299684,57cyclictest0-21swapper/120:52:131
32220996847,14cyclictest0-21swapper/021:02:250
248599680,6rtkit-daemon804-21sshd20:37:131
248599680,6rtkit-daemon0-21swapper/121:59:100
248599680,6rtkit-daemon0-21swapper/120:51:200
248599680,6rtkit-daemon0-21swapper/120:46:500
248599680,16rtkit-daemon0-21swapper/022:42:161
32224996742,10cyclictest13547-21taskset21:43:323
32223996737,24cyclictest1525-21tr19:37:092
32223996726,35cyclictest24023-21munin-node19:17:132
3222299673,58cyclictest0-21swapper/122:22:081
32222996722,38cyclictest29096-21switchtime22:07:201
32220996747,13cyclictest0-21swapper/023:22:120
248599670,8rtkit-daemon0-21swapper/021:46:561
248599670,6rtkit-daemon0-21swapper/121:14:190
248599670,6rtkit-daemon0-21swapper/119:19:390
32223996633,20cyclictest7073-21crond18:41:562
32223996625,29cyclictest0-21swapper/219:02:272
3222299665,52cyclictest0-21swapper/121:27:211
3222299665,52cyclictest0-21swapper/121:27:211
32222996612,46cyclictest0-21swapper/120:42:091
248599660,8rtkit-daemon0-21swapper/223:00:453
248599660,8rtkit-daemon0-21swapper/022:36:091
248599660,7rtkit-daemon0-21swapper/019:57:221
248599660,6rtkit-daemon0-21swapper/021:17:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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