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2026-01-31 - 20:28
[ 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 #0, slot #4

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.

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 rack0slot4s.osadl.org (updated Sat Jan 31, 2026 00:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14480632381358,16sleep150-21swapper/1519:07:527
14480152377369,5sleep80-21swapper/819:07:1314
14479432367360,5sleep00-21swapper/019:06:160
14479092366359,5sleep110-21swapper/1119:05:563
14479832362323,32sleep10-21swapper/119:06:501
14482152357337,13sleep60-21swapper/619:09:5312
14479032356335,13sleep70-21swapper/719:05:5113
14482122353332,13sleep30-21swapper/319:09:499
14480202353333,13sleep120-21swapper/1219:07:184
14479122353345,5sleep140-21swapper/1419:05:586
14480122352332,13sleep50-21swapper/519:07:1111
14478882352332,13sleep130-21swapper/1319:05:425
14481372350330,13sleep100-21swapper/1019:08:512
14481742349330,12sleep40-21swapper/419:09:1810
14481592349328,13sleep90-21swapper/919:09:0615
14481292343323,13sleep20-21swapper/219:08:438
16560802580,0sleep30-21swapper/322:30:229
144869299577,25cyclictest0-21swapper/1400:25:506
144869299457,25cyclictest0-21swapper/1422:14:026
144869299446,25cyclictest0-21swapper/1420:35:116
144869299446,25cyclictest0-21swapper/1419:29:176
144869299436,24cyclictest0-21swapper/1421:41:056
144869299435,25cyclictest0-21swapper/1423:52:536
144869299425,24cyclictest0-21swapper/1421:08:086
144869299413,25cyclictest0-21swapper/1423:30:556
144869299403,24cyclictest0-21swapper/1419:51:156
144868699399,30cyclictest0-21swapper/1222:24:424
1448686993737,0cyclictest0-21swapper/1220:32:394
1448686993737,0cyclictest0-21swapper/1219:31:444
1448686993535,0cyclictest0-21swapper/1223:02:524
144869299337,25cyclictest0-21swapper/1421:19:076
1448686993333,0cyclictest0-21swapper/1220:45:324
1448686993333,0cyclictest0-21swapper/1220:44:234
144866599330,32cyclictest0-21swapper/522:34:3311
144869499320,29cyclictest0-21swapper/1523:00:157
1448681993232,0cyclictest1741984-21kworker/10:2+events00:36:302
1448671993225,6cyclictest1774-21snmpd22:43:1813
1448671993225,6cyclictest1774-21snmpd22:43:1813
144867199320,29cyclictest0-21swapper/700:30:1413
1448665993228,4cyclictest1783066-21mii-tool00:10:1711
144866599320,31cyclictest0-21swapper/522:02:2111
144869299316,25cyclictest0-21swapper/1423:19:566
144869299316,25cyclictest0-21swapper/1400:36:496
144869299316,25cyclictest0-21swapper/1400:14:516
1448692993129,2cyclictest1661190-21mii-tool22:35:146
1448692993129,2cyclictest1661190-21mii-tool22:35:146
144868899310,30cyclictest0-21swapper/1300:30:125
144868699317,24cyclictest0-21swapper/1221:14:024
1448686993131,0cyclictest1460461-21kworker/12:2-events20:59:174
144868699311,30cyclictest1460461-21kworker/12:2-events20:16:414
144868699310,30cyclictest0-21swapper/1219:25:304
1448683993130,1cyclictest1774-21snmpd19:11:413
144868199310,30cyclictest0-21swapper/1021:38:102
144867699310,30cyclictest0-21swapper/922:40:1415
144867699310,30cyclictest0-21swapper/922:40:1415
144866799310,30cyclictest0-21swapper/622:50:4512
144866799310,30cyclictest0-21swapper/622:41:0312
144866799310,30cyclictest0-21swapper/622:41:0212
144866299310,1cyclictest0-21swapper/419:31:3410
144865299310,30cyclictest0-21swapper/122:52:331
144865299310,30cyclictest0-21swapper/119:32:241
1448650993130,1cyclictest1558809-21ethtool21:15:160
144865099310,30cyclictest1584439-21irqstats_LOC21:35:160
144865099310,30cyclictest0-21swapper/019:45:140
1448694993029,1cyclictest1774-21snmpd23:07:107
1448694993029,1cyclictest1774-21snmpd19:53:577
144869499300,1cyclictest0-21swapper/1523:43:527
144869499300,1cyclictest0-21swapper/1521:18:397
144869299306,24cyclictest0-21swapper/1420:02:146
144869299306,24cyclictest0-21swapper/1400:03:526
144869299305,25cyclictest0-21swapper/1420:46:106
1448692993029,1cyclictest1774-21snmpd19:10:576
1448692993029,1cyclictest1497857-21ethtool20:05:136
144869299300,1cyclictest0-21swapper/1420:55:146
144868899300,29cyclictest0-21swapper/1321:31:365
144868899300,1cyclictest0-21swapper/1322:24:175
1448686993030,0cyclictest1531662-21kworker/u32:2+events_unbound21:07:534
1448686993030,0cyclictest0-21swapper/1219:58:214
1448686993029,1cyclictest1774-21snmpd19:49:154
1448686993029,1cyclictest1774-21snmpd00:19:574
1448686993029,1cyclictest0-21swapper/1222:39:004
1448686993029,1cyclictest0-21swapper/1222:39:004
144868699300,30cyclictest0-21swapper/1223:37:164
144868399300,30cyclictest0-21swapper/1120:03:363
144868399300,30cyclictest0-21swapper/1100:36:483
144868399300,29cyclictest0-21swapper/1119:44:463
144868399300,29cyclictest0-21swapper/1119:44:453
144868399300,1cyclictest0-21swapper/1100:05:573
1448681993029,1cyclictest1555036-21kworker/10:0+events23:19:042
1448676993029,1cyclictest1774-21snmpd20:11:5715
144867699300,1cyclictest0-21swapper/923:30:1615
144867699300,1cyclictest0-21swapper/900:30:1315
144867399300,30cyclictest0-21swapper/820:58:3314
144867399300,30cyclictest0-21swapper/800:22:2114
144867399300,1cyclictest0-21swapper/822:07:2514
1448671993029,1cyclictest1774-21snmpd22:27:5313
144867199300,29cyclictest0-21swapper/723:00:3013
144867199300,1cyclictest0-21swapper/719:30:1413
144867199300,1cyclictest0-21swapper/700:10:3913
1448667993029,1cyclictest1774-21snmpd20:46:5612
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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