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2026-02-22 - 16:57
[ 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 #3, slot #3

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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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot3s.osadl.org (updated Sun Feb 22, 2026 12:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3926507215453,96sleep30-21swapper/307:05:303
39267192128110,10sleep20-21swapper/207:08:132
392663828761,7sleep00-21swapper/007:07:100
392661927963,10sleep10-21swapper/107:06:561
39644502610,1sleep20-21swapper/207:40:392
3926992995956,1cyclictest0-21swapper/311:43:413
392699299560,25cyclictest0-21swapper/309:42:133
392699299522,21cyclictest63750irq/124-enp1s0-TxRx-007:38:313
392699299522,21cyclictest63750irq/124-enp1s0-TxRx-007:38:303
392699299512,17cyclictest0-21swapper/310:51:083
3926992995047,2cyclictest0-21swapper/310:00:543
392699299503,28cyclictest0-21swapper/309:15:143
392699299500,19cyclictest0-21swapper/307:40:113
392699299470,23cyclictest0-21swapper/310:31:163
3926992994643,2cyclictest0-21swapper/311:57:323
3926992994441,1cyclictest0-21swapper/312:07:083
3926992994441,1cyclictest0-21swapper/312:07:073
3926992994440,2cyclictest0-21swapper/310:38:413
392699299430,31cyclictest0-21swapper/311:52:163
392699299420,17cyclictest0-21swapper/312:20:053
3926992994117,12cyclictest1726642sleep312:10:503
392699299410,30cyclictest0-21swapper/312:25:543
392699299410,20cyclictest0-21swapper/309:57:443
3926992994035,3cyclictest63750irq/124-enp1s0-TxRx-011:28:113
392699299398,17cyclictest0-21swapper/309:48:373
392699299392,23cyclictest0-21swapper/311:31:023
3926992993836,1cyclictest0-21swapper/311:46:583
392699299381,28cyclictest0-21swapper/308:59:403
392699299380,19cyclictest0-21swapper/309:11:173
3926992993734,2cyclictest63750irq/124-enp1s0-TxRx-012:34:343
392699299370,20cyclictest0-21swapper/311:12:463
3926992993633,1cyclictest0-21swapper/310:29:093
392699299360,20cyclictest63750irq/124-enp1s0-TxRx-011:00:153
392699299360,19cyclictest0-21swapper/310:41:323
392699299350,25cyclictest280902sleep310:47:423
392699299350,12cyclictest0-21swapper/311:20:033
392699299340,24cyclictest0-21swapper/309:27:523
3926992993329,1cyclictest0-21swapper/308:22:263
392699299331,11cyclictest0-21swapper/307:20:073
392699299330,31cyclictest0-21swapper/309:21:033
392699299330,30cyclictest0-21swapper/312:03:253
3926992993216,1cyclictest0-21swapper/309:30:173
41118622310,21sleep00-21swapper/009:44:300
392699299311,27cyclictest0-21swapper/310:12:563
1997682310,1sleep10-21swapper/112:27:471
19472310,2sleep10-21swapper/110:32:021
1812842310,1sleep10-21swapper/112:15:571
392699299300,20cyclictest0-21swapper/310:05:273
392699299300,14cyclictest63750irq/124-enp1s0-TxRx-008:38:453
873762291,3sleep187386-21ssh11:22:041
636682290,1sleep30-21swapper/311:09:403
392699299291,14cyclictest0-21swapper/308:00:133
392699299290,17cyclictest63750irq/124-enp1s0-TxRx-007:13:083
392699299290,11cyclictest0-21swapper/312:15:003
3926992992826,1cyclictest0-21swapper/308:10:143
3926992992822,4cyclictest0-21swapper/310:17:123
392699299280,25cyclictest63750irq/124-enp1s0-TxRx-012:36:113
2098142281,3sleep20-21swapper/212:34:452
392699299275,8cyclictest0-21swapper/310:55:033
392699299270,21cyclictest0-21swapper/309:51:023
392699299270,13cyclictest0-21swapper/307:25:173
392699299261,12cyclictest0-21swapper/307:58:233
392699299260,8cyclictest0-21swapper/307:50:273
392699299260,18cyclictest0-21swapper/311:35:423
392699299260,15cyclictest0-21swapper/308:30:153
392699299260,11cyclictest0-21swapper/308:40:193
392699299250,16cyclictest0-21swapper/309:36:493
392699299244,17cyclictest0-21swapper/307:18:313
1919202240,1sleep20-21swapper/212:23:422
392699299231,6cyclictest0-21swapper/307:45:133
1329692231,18sleep04052362-21diskmemload11:49:450
723062220,3sleep10-21swapper/111:14:471
3926992992212,3cyclictest0-21swapper/307:32:243
392699299221,13cyclictest0-21swapper/311:16:273
392699299221,13cyclictest0-21swapper/311:16:263
41356032210,1sleep00-21swapper/009:56:530
392699299214,10cyclictest3990167-21taskset08:08:003
41518722200,1sleep10-21swapper/110:05:481
41179592200,2sleep244-21ksoftirqd/209:46:112
392699299201,16cyclictest0-21swapper/310:21:023
41290422190,1sleep00-21swapper/009:54:320
39956102190,1sleep10-21swapper/108:13:201
274072191,3sleep10-21swapper/110:46:491
1412832191,8sleep10-21swapper/111:54:271
603122181,8sleep260490-21/usr/sbin/munin11:05:262
40681212180,1sleep20-21swapper/209:18:152
392699299181,12cyclictest4006544-21chrt08:25:123
392699299180,16cyclictest4036682-21chrt08:51:093
392699299180,12cyclictest0-21swapper/309:05:153
392699299180,10cyclictest0-21swapper/309:00:123
1660242181,3sleep10-21swapper/112:08:191
1660242181,3sleep10-21swapper/112:08:181
1647922181,3sleep00-21swapper/012:06:420
1647922181,3sleep00-21swapper/012:06:410
1558852181,2sleep10-21swapper/112:01:091
83252174,8sleep18508-21strings10:35:181
41636012170,1sleep10-21swapper/110:14:331
39854802170,4sleep20-21swapper/208:05:112
2100122171,8sleep1210043-21munin-run12:35:001
2087952171,5sleep04052362-21diskmemload12:33:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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