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2026-02-23 - 17:14
[ 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 #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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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 rack3slot6s.osadl.org (updated Mon Feb 23, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20893212096,18sleep00-21swapper/007:09:250
20900211995,17sleep20-21swapper/207:09:312
20722211896,16sleep30-21swapper/307:07:123
19149211695,16sleep10-21swapper/107:05:051
291752970,1sleep1221ktimersoftd/110:08:321
36532770,0sleep00-21swapper/010:50:000
282362770,0sleep00-21swapper/012:22:340
322692680,0sleep00-21swapper/009:37:410
20969993817,19cyclictest0-21swapper/209:55:122
20968993516,17cyclictest0-21swapper/109:50:111
300172250,0sleep10-21swapper/107:30:161
102442250,0sleep00-21swapper/012:37:340
20967992314,2cyclictest7458-21runrttasks07:25:110
20967992312,10cyclictest0-21swapper/007:15:120
216822220,1sleep10-21swapper/108:30:131
20970992116,3cyclictest25674-21ssh10:05:113
2097099211,2cyclictest0-21swapper/310:45:113
2096999203,6cyclictest0-21swapper/211:29:352
20968992017,2cyclictest8966-21kworker/u8:211:09:041
2096799200,18cyclictest0-21swapper/010:50:110
2097099190,2cyclictest0-21swapper/310:15:123
20968991916,2cyclictest22012-21kworker/u8:110:40:041
2096899190,14cyclictest0-21swapper/109:35:051
2096799190,18cyclictest0-21swapper/009:15:110
2096999182,7cyclictest315-21ssh10:45:242
2096999181,6cyclictest4874-21diskmemload09:30:002
20968991815,2cyclictest28002-21kworker/u8:011:23:041
20968991815,2cyclictest2727-21kworker/u8:210:19:031
2096899181,16cyclictest4874-21diskmemload11:30:111
2096899180,13cyclictest0-21swapper/110:59:041
2096899180,13cyclictest0-21swapper/108:09:041
2097099171,14cyclictest4966-21munin-node3
2096999172,6cyclictest0-21swapper/208:50:012
2096999172,6cyclictest0-21swapper/207:50:002
20968991714,2cyclictest6942-21kworker/u8:208:57:041
20968991714,2cyclictest4549-21kworker/u8:109:07:041
20968991714,2cyclictest29205-21kworker/u8:210:47:051
20968991714,2cyclictest1057-21kworker/u8:009:02:051
2096899170,12cyclictest0-21swapper/109:31:041
2097099161,3cyclictest0-21swapper/312:30:003
2097099161,3cyclictest0-21swapper/311:10:143
2097099161,13cyclictest7477-21ssh09:11:183
2097099161,13cyclictest16912-21apt-get10:30:063
2097099161,13cyclictest0-21swapper/312:35:073
2096999161,3cyclictest0-21swapper/209:55:002
2096999160,14cyclictest0-21swapper/207:40:132
20968991613,2cyclictest9388-21kworker/u8:008:10:051
20968991613,2cyclictest8966-21kworker/u8:211:12:051
20968991613,2cyclictest7416-21kworker/u8:111:28:041
20968991613,2cyclictest6942-21kworker/u8:209:16:041
20968991613,2cyclictest6942-21kworker/u8:208:38:051
20968991613,2cyclictest32227-21kworker/u8:009:40:041
20968991613,2cyclictest31382-21kworker/u8:007:37:041
20968991613,2cyclictest29584-21kworker/u8:108:53:031
20968991613,2cyclictest2727-21kworker/u8:210:27:031
20968991613,2cyclictest12573-21kworker/u8:211:51:031
20968991611,3cyclictest0-21swapper/111:15:171
2096899160,11cyclictest0-21swapper/111:56:041
20967991613,2cyclictest32227-21kworker/u8:010:15:030
37262150,2sleep00-21swapper/011:23:310
2097099151,3cyclictest0-21swapper/312:30:113
2097099151,12cyclictest26638-21ssh09:31:183
2097099151,12cyclictest0-21swapper/309:58:413
20970991510,3cyclictest10867-21ntp_offset11:30:183
2096999151,5cyclictest0-21swapper/210:35:002
2096999151,3cyclictest0-21swapper/211:38:342
2096999151,12cyclictest0-21swapper/210:16:082
20969991510,3cyclictest0-21swapper/212:30:152
2096999150,3cyclictest0-21swapper/211:32:122
20968991512,2cyclictest4175-21kworker/u8:212:18:041
20968991512,2cyclictest22012-21kworker/u8:111:04:041
20968991512,2cyclictest18243-21kworker/u8:111:39:041
20968991512,2cyclictest17412-21kworker/u8:008:22:051
20968991512,2cyclictest1733-21kworker/u8:107:45:051
2096899151,12cyclictest30111-21apt-get10:10:071
2096899151,12cyclictest30111-21apt-get10:10:071
20968991510,3cyclictest0-21swapper/109:55:171
2096899150,2cyclictest0-21swapper/112:06:041
2096899150,2cyclictest0-21swapper/111:45:051
2096899150,2cyclictest0-21swapper/110:37:041
2096899150,11cyclictest0-21swapper/107:56:051
20967991511,2cyclictest23412-21kworker/u8:011:46:040
20967991510,3cyclictest30052-21apt-get12:25:100
20967991510,3cyclictest218192chrt10:35:000
2097099149,3cyclictest0-21swapper/312:18:153
2097099142,7cyclictest0-21swapper/307:25:003
20970991411,2cyclictest0-21swapper/311:51:483
20970991411,2cyclictest0-21swapper/311:19:103
2097099141,11cyclictest0-21swapper/310:20:483
2097099140,3cyclictest6675-21snmpd09:44:153
2097099140,3cyclictest18904-21ssh12:12:563
2097099140,13cyclictest0-21swapper/311:56:393
2097099140,13cyclictest0-21swapper/310:56:193
2097099140,13cyclictest0-21swapper/310:04:393
2097099140,12cyclictest0-21swapper/310:11:423
2097099140,12cyclictest0-21swapper/310:11:413
2096999149,3cyclictest28333-21rm10:07:112
2096999149,3cyclictest0-21swapper/211:10:052
2096999149,3cyclictest0-21swapper/207:10:232
2096999142,7cyclictest4874-21diskmemload11:50:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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