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2026-01-30 - 18:01
[ 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 #5, 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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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 rack5slot3s.osadl.org (updated Fri Jan 30, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129522235163,23sleep10-21swapper/107:07:111
129522235163,23sleep10-21swapper/107:07:101
128442233162,59sleep00-21swapper/007:05:450
128442233162,59sleep00-21swapper/007:05:440
112162202165,25sleep20-21swapper/207:05:102
112162202165,25sleep20-21swapper/207:05:102
121332201168,22sleep30-21swapper/307:05:193
121332201168,22sleep30-21swapper/307:05:193
1327799106102,3cyclictest0-21swapper/311:24:253
93042710,2sleep00-21swapper/009:25:150
93042710,2sleep00-21swapper/009:25:150
137962510,4sleep11326499cyclictest12:00:271
234962490,2sleep10-21swapper/109:55:261
321542390,4sleep230-21rcuc/211:30:182
13270993726,3cyclictest0-21swapper/212:10:002
13270993618,8cyclictest0-21swapper/210:22:232
1326499361,4cyclictest19805-21cut12:15:191
13270993417,11cyclictest0-21swapper/210:03:502
13270993317,10cyclictest0-21swapper/208:35:452
13270993221,3cyclictest0-21swapper/210:42:092
13270993217,9cyclictest0-21swapper/210:09:322
13270993217,8cyclictest0-21swapper/212:29:562
1327099313,11cyclictest0-21swapper/207:55:422
13270993121,3cyclictest0-21swapper/211:18:582
13270993119,3cyclictest0-21swapper/210:56:072
1326499311,13cyclictest0-21swapper/112:13:471
1326499311,12cyclictest0-21swapper/107:46:301
13270993026,3cyclictest0-21swapper/210:27:452
13270993023,3cyclictest0-21swapper/209:26:122
13270993023,3cyclictest0-21swapper/209:26:122
13270993020,3cyclictest0-21swapper/210:20:012
13270993016,9cyclictest0-21swapper/209:50:262
13270993015,6cyclictest0-21swapper/212:16:542
1326099304,12cyclictest3212-21awk11:40:010
1326099301,14cyclictest21751-21munin-run09:55:010
1327099298,3cyclictest0-21swapper/208:44:032
1327099291,13cyclictest0-21swapper/211:47:362
1327099291,13cyclictest0-21swapper/209:10:342
1327099291,12cyclictest0-21swapper/210:35:072
1326499291,17cyclictest14549-21cpuspeed_turbos12:05:131
13260992911,15cyclictest1335-21awk07:55:010
13277992824,3cyclictest0-21swapper/311:10:453
1327099285,15cyclictest768-21rngd07:37:192
13270992817,3cyclictest0-21swapper/211:44:362
13270992817,3cyclictest0-21swapper/211:20:422
13270992815,7cyclictest0-21swapper/209:56:402
13270992811,9cyclictest0-21swapper/212:30:152
1327099281,14cyclictest0-21swapper/209:02:362
13270992811,3cyclictest21816-21ntp_states07:25:242
1327099281,13cyclictest0-21swapper/212:39:432
1327099281,13cyclictest0-21swapper/212:12:062
1327099281,13cyclictest0-21swapper/208:30:412
1327099280,14cyclictest0-21swapper/211:55:202
1326499282,15cyclictest13524-40dnf10:49:351
273432270,2sleep10-21swapper/111:20:131
235122270,4sleep023498-21fschecks_time07:30:180
1327099279,8cyclictest0-21swapper/209:40:202
1327099279,2cyclictest0-21swapper/209:35:022
1327099278,2cyclictest0-21swapper/208:10:202
1327099278,11cyclictest0-21swapper/210:45:152
1327099275,11cyclictest0-21swapper/211:00:392
13270992715,7cyclictest0-21swapper/210:12:032
1327099271,14cyclictest0-21swapper/209:31:122
1327099271,13cyclictest0-21swapper/209:16:142
1327099271,12cyclictest0-21swapper/210:50:372
1327099271,12cyclictest0-21swapper/208:22:072
1327099271,12cyclictest0-21swapper/207:40:562
13270992710,3cyclictest0-21swapper/207:54:522
13270992710,3cyclictest0-21swapper/207:15:042
1326499271,2cyclictest0-21swapper/111:35:161
1326499271,11cyclictest5971-21diskstats11:45:151
1326499270,3cyclictest13248-21cyclictest09:54:061
1327099269,3cyclictest0-21swapper/209:21:542
1327099268,9cyclictest0-21swapper/212:03:142
13270992612,3cyclictest0-21swapper/209:47:022
1327099261,13cyclictest0-21swapper/208:19:162
1327099261,13cyclictest0-21swapper/208:19:162
1327099261,11cyclictest29536-21diskstats11:25:142
1327099259,3cyclictest0-21swapper/211:36:162
13270992517,5cyclictest26816-21ntp_states08:50:202
13270992510,3cyclictest0-21swapper/212:20:522
13270992510,3cyclictest0-21swapper/208:58:292
13270992510,2cyclictest7236-21smart_sda08:05:242
1327099250,11cyclictest0-21swapper/210:33:592
1326499254,3cyclictest6066-21kworker/1:007:30:211
1326499251,6cyclictest0-21swapper/109:18:421
13264992515,2cyclictest0-21swapper/111:40:301
1326499251,4cyclictest9595-21irqstats09:25:171
1326499251,4cyclictest9595-21irqstats09:25:171
1326499251,3cyclictest11085-21cpuspeed_turbos09:30:131
1326099259,14cyclictest0-21swapper/010:35:010
1326099252,11cyclictest0-21swapper/010:49:350
312162240,4sleep123-21ksoftirqd/110:15:161
215522240,1sleep00-21swapper/008:40:120
1327099249,7cyclictest0-21swapper/208:46:432
1327099248,3cyclictest0-21swapper/207:48:442
1326499241,4cyclictest32280-21date09:05:011
1326499241,3cyclictest26146-21latency_hist10:05:031
1326099241,4cyclictest25409-21/usr/sbin/munin12:30:180
1326099241,11cyclictest7957-21perf08:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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