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2026-01-30 - 07:32
[ 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 Fri Jan 30, 2026 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15265742411391,13sleep50-21swapper/519:05:5011
15266512381344,12sleep140-21swapper/1419:06:466
15266572364346,12sleep30-21swapper/319:06:529
15266842356336,13sleep90-21swapper/919:07:1415
15266452355336,12sleep80-21swapper/819:06:4014
15266862354334,13sleep110-21swapper/1119:07:173
15268392353333,13sleep00-21swapper/019:09:130
15268012353314,13sleep10-21swapper/119:08:421
15266322353333,13sleep130-21swapper/1319:06:305
15265572352331,14sleep70-21swapper/719:05:3513
15267182350330,13sleep150-21swapper/1519:07:367
15267062350329,14sleep60-21swapper/619:07:2712
15267752349330,12sleep120-21swapper/1219:08:224
15268582348335,9sleep100-21swapper/1019:09:232
15266792348337,7sleep40-21swapper/419:07:1010
15266192348328,13sleep20-21swapper/219:06:188
1527359993535,0cyclictest0-21swapper/1421:05:136
1527359993434,0cyclictest0-21swapper/1423:26:226
1527359993434,0cyclictest0-21swapper/1423:26:226
1527359993434,0cyclictest0-21swapper/1421:36:216
1527359993433,1cyclictest1512824-21kworker/14:1-events21:44:136
1527359993432,1cyclictest1692256-21kworker/14:0-mm_percpu_wq22:05:296
1527359993333,0cyclictest0-21swapper/1421:45:116
1527314993330,2cyclictest1874436-21mii-tool00:20:140
1527359993232,0cyclictest0-21swapper/1400:04:406
1527316993230,1cyclictest1774-21snmpd19:15:161
1527359993130,1cyclictest1573798-21kworker/u32:1+flush-259:020:30:256
152735199310,30cyclictest0-21swapper/1222:37:544
152734599310,30cyclictest0-21swapper/1023:52:132
152734599310,30cyclictest0-21swapper/1020:57:372
152734599310,30cyclictest0-21swapper/1019:31:122
152734199310,30cyclictest0-21swapper/921:41:0015
152734199310,30cyclictest0-21swapper/920:15:5515
152734199310,30cyclictest0-21swapper/920:15:5415
1527338993130,1cyclictest1774-21snmpd19:20:2514
1527325993130,1cyclictest1774-21snmpd21:45:5510
1527319993130,1cyclictest1774-21snmpd22:49:598
152731699310,30cyclictest0-21swapper/121:56:341
152731699310,30cyclictest0-21swapper/120:37:111
1527314993130,1cyclictest0-21swapper/023:37:050
1527314993129,1cyclictest1774-21snmpd20:24:570
1527314993129,1cyclictest1774-21snmpd20:24:570
152731499310,30cyclictest0-21swapper/021:12:050
1527362993029,1cyclictest1774-21snmpd23:33:407
1527362993029,1cyclictest1774-21snmpd21:01:217
152736299300,30cyclictest0-21swapper/1500:10:207
1527359993030,0cyclictest0-21swapper/1400:31:246
1527359993029,1cyclictest1774-21snmpd00:19:356
1527359993029,0cyclictest0-21swapper/1422:31:056
152735999301,29cyclictest0-21swapper/1422:45:406
152735999300,30cyclictest1491rcuc/1423:54:006
152735999300,30cyclictest0-21swapper/1420:04:306
1527355993029,1cyclictest1774-21snmpd22:10:555
1527355993029,1cyclictest1774-21snmpd00:38:095
152735599300,30cyclictest0-21swapper/1323:10:495
1527351993026,3cyclictest0-21swapper/1221:00:144
152735199300,30cyclictest0-21swapper/1219:33:444
152735199300,1cyclictest0-21swapper/1200:15:264
1527349993029,1cyclictest1829880-21kworker/u32:3+flush-259:023:55:213
1527349993029,1cyclictest1774-21snmpd23:24:063
1527349993029,1cyclictest1774-21snmpd23:24:063
1527349993029,1cyclictest1774-21snmpd20:15:373
1527349993029,1cyclictest1774-21snmpd20:15:363
1527345993029,1cyclictest0-21swapper/1023:27:202
1527345993029,1cyclictest0-21swapper/1023:27:192
1527345993029,1cyclictest0-21swapper/1022:37:412
152734599300,29cyclictest0-21swapper/1022:55:132
152734599300,27cyclictest0-21swapper/1019:45:142
1527341993029,1cyclictest1774-21snmpd23:12:4315
1527341993029,1cyclictest1774-21snmpd00:28:1015
152734199300,30cyclictest0-21swapper/920:30:1615
1527338993029,1cyclictest1774-21snmpd19:30:0214
1527338993029,1cyclictest1637398-21mii-tool21:15:1614
152733899300,1cyclictest0-21swapper/820:39:1714
1527335993029,1cyclictest1774-21snmpd23:21:4613
1527335993029,1cyclictest1774-21snmpd23:21:4613
1527335993029,1cyclictest0-21swapper/722:40:1213
152733099300,30cyclictest0-21swapper/619:45:3812
1527329993030,0cyclictest0-21swapper/522:48:1611
1527329993030,0cyclictest0-21swapper/522:07:2611
1527329993029,1cyclictest1774-21snmpd23:37:1311
1527329993029,1cyclictest1714259-21mii-tool22:15:1611
1527329993029,1cyclictest1609943-21mii-tool20:45:1711
152732999300,30cyclictest0-21swapper/520:00:5811
152732999300,29cyclictest0-21swapper/523:45:1511
152732999300,1cyclictest0-21swapper/522:11:0411
1527325993029,1cyclictest1774-21snmpd22:41:4110
1527325993029,1cyclictest0-21swapper/421:21:2310
152732599300,1cyclictest0-21swapper/419:56:0910
152732599300,1cyclictest0-21swapper/419:35:1510
1527321993029,1cyclictest1774-21snmpd23:52:169
1527321993029,1cyclictest1774-21snmpd22:19:359
1527321993029,1cyclictest1774-21snmpd00:09:069
152732199300,30cyclictest0-21swapper/321:18:569
152732199300,30cyclictest0-21swapper/319:40:159
152732199300,30cyclictest0-21swapper/319:16:139
1527319993029,1cyclictest1774-21snmpd23:52:258
1527319993029,1cyclictest1774-21snmpd23:26:348
1527319993029,1cyclictest1774-21snmpd23:26:348
1527319993029,1cyclictest1559757-21mii-tool19:45:148
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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