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2026-01-31 - 21:40
[ 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 Sat Jan 31, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11124211996,18sleep30-21swapper/307:07:543
11276211895,18sleep00-21swapper/007:09:510
11216211595,15sleep20-21swapper/207:09:052
11227211194,12sleep10-21swapper/107:09:121
157782880,0sleep00-21swapper/012:25:500
224932750,0sleep00-21swapper/009:39:070
195232720,1sleep1221ktimersoftd/111:20:171
117882710,1sleep2301ktimersoftd/211:46:402
65892290,0sleep00-21swapper/011:40:570
249732250,1sleep20-21swapper/210:15:292
265472220,0sleep00-21swapper/007:45:160
1131599220,3cyclictest0-21swapper/111:08:051
265262210,1sleep10-21swapper/110:53:081
11317992117,2cyclictest0-21swapper/309:50:113
1131799210,19cyclictest0-21swapper/308:45:113
1131599210,18cyclictest0-21swapper/109:50:121
11314992118,2cyclictest9497-21kworker/u8:007:10:050
11314992118,2cyclictest7691-21kworker/u8:208:27:050
11314992118,2cyclictest7478-21kworker/u8:210:32:050
11314992118,2cyclictest19059-21kworker/u8:007:36:050
11314992118,2cyclictest18451-21kworker/u8:110:22:050
158952200,0sleep00-21swapper/008:40:110
1131799200,2cyclictest0-21swapper/312:05:113
1131699203,2cyclictest0-21swapper/211:08:052
1131599203,3cyclictest0-21swapper/112:01:041
11315992017,2cyclictest18451-21kworker/u8:110:23:041
11314992017,2cyclictest19059-21kworker/u8:007:33:050
11314992017,2cyclictest18451-21kworker/u8:110:27:050
11314992017,2cyclictest17350-21kworker/u8:209:56:050
11316991916,2cyclictest11256-21kworker/u8:109:26:052
1131699191,2cyclictest0-21swapper/209:35:052
11315991916,2cyclictest7691-21kworker/u8:208:29:051
11315991916,2cyclictest4669-21kworker/u8:310:07:051
11315991916,2cyclictest30480-21kworker/u8:011:35:031
1131599190,2cyclictest0-21swapper/109:35:051
11314991916,2cyclictest30480-21kworker/u8:011:45:040
11316991815,2cyclictest4669-21kworker/u8:309:59:032
11315991815,2cyclictest30514-21kworker/u8:209:13:051
11315991815,2cyclictest30480-21kworker/u8:011:44:051
11315991815,2cyclictest18451-21kworker/u8:110:28:051
11315991812,4cyclictest13167-21kworker/u8:107:19:051
11314991815,2cyclictest7691-21kworker/u8:208:22:050
11314991815,2cyclictest19409-21kworker/u8:208:59:040
11314991815,2cyclictest17350-21kworker/u8:209:46:040
11314991815,2cyclictest15642-21kworker/u8:207:26:050
11314991815,2cyclictest13600-21kworker/u8:212:34:050
1131499180,2cyclictest0-21swapper/009:26:040
1131499180,16cyclictest0-21swapper/012:10:050
1131499180,16cyclictest0-21swapper/010:52:050
11316991714,2cyclictest6637-21kworker/u8:112:18:052
11316991714,2cyclictest1705-21kworker/u8:111:01:052
11315991714,2cyclictest7478-21kworker/u8:210:55:051
11315991714,2cyclictest4698-21kworker/u8:012:21:051
11315991714,2cyclictest4698-21kworker/u8:012:21:041
11315991714,2cyclictest19059-21kworker/u8:007:38:051
11315991714,2cyclictest13600-21kworker/u8:212:32:051
1131599170,12cyclictest0-21swapper/111:17:051
1131599170,12cyclictest0-21swapper/110:01:051
11314991714,2cyclictest29563-21kworker/u8:108:15:040
11314991714,2cyclictest11754-21kworker/u8:109:05:040
1131499170,15cyclictest0-21swapper/009:40:050
32282160,1sleep2301ktimersoftd/210:27:592
122882160,0sleep30-21swapper/311:47:283
1131799160,14cyclictest21885-21ssh10:13:043
11316991613,2cyclictest6637-21kworker/u8:112:10:052
11316991613,2cyclictest6637-21kworker/u8:112:09:042
11316991613,2cyclictest6637-21kworker/u8:111:59:052
11316991613,2cyclictest32679-21kworker/u8:009:54:052
11316991613,2cyclictest29563-21kworker/u8:108:17:042
11316991613,2cyclictest28136-21kworker/u8:010:56:052
11316991613,2cyclictest14303-21kworker/u8:110:52:052
11316991613,2cyclictest13600-21kworker/u8:212:35:052
11316991613,2cyclictest13600-21kworker/u8:212:26:052
11315991613,2cyclictest29563-21kworker/u8:108:03:051
11315991613,2cyclictest15642-21kworker/u8:207:22:051
11315991613,2cyclictest1533-21kworker/u8:008:08:051
11315991613,2cyclictest12729-21kworker/u8:010:12:051
11315991613,2cyclictest11754-21kworker/u8:109:07:041
1131599160,2cyclictest0-21swapper/107:41:051
1131599160,11cyclictest0-21swapper/111:29:041
1131599160,11cyclictest0-21swapper/110:41:051
11314991613,2cyclictest8615-21kworker/u8:211:09:050
11314991613,2cyclictest29563-21kworker/u8:108:14:050
11314991613,2cyclictest15829-21kworker/u8:008:45:040
1131499160,2cyclictest0-21swapper/011:59:050
1131499160,2cyclictest0-21swapper/011:01:040
1131499160,2cyclictest0-21swapper/010:56:050
1131499160,15cyclictest0-21swapper/012:18:050
1131499160,14cyclictest0-21swapper/012:38:050
1131499160,14cyclictest0-21swapper/011:24:050
1131799151,3cyclictest21978-21ssh11:58:203
1131799151,12cyclictest27644-21diskmemload10:49:503
11317991510,3cyclictest23311-21ssh11:25:133
1131799150,3cyclictest0-21swapper/307:37:003
11316991512,2cyclictest7478-21kworker/u8:210:44:052
11316991512,2cyclictest6637-21kworker/u8:112:20:052
11316991512,2cyclictest6637-21kworker/u8:112:20:052
11316991512,2cyclictest4642-21kworker/u8:009:24:052
11316991512,2cyclictest17350-21kworker/u8:209:40:052
11316991512,2cyclictest17025-21kworker/u8:011:24:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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