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2026-01-22 - 04:44
[ 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 #c, slot #7

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 50 highest latencies:
System rackcslot7s.osadl.org (updated Thu Jan 22, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232102921200,3sleep30-21swapper/323:55:233
225879721070,7sleep14497-21PK-Backend21:00:151
1973991010,81rtkit-daemon0-21swapper/119:05:261
22284372810,11sleep3411rcuc/319:30:293
221931627940,13sleep30-21swapper/319:05:413
221962126445,13sleep00-21swapper/019:09:360
2219783996319,26cyclictest2250651-21taskset20:35:240
2219783996310,11cyclictest2252118-21irqstats20:40:200
221950826243,13sleep20-21swapper/219:08:082
2219783996117,22cyclictest2241401-21cpuspeed_turbos20:10:140
2219783996117,21cyclictest2279100-21/usr/sbin/munin21:55:270
2219783995911,25cyclictest2300046-21cat22:55:190
2219783995810,25cyclictest2238894-21chrt20:00:340
2219783995610,27cyclictest2290547-21cstates22:30:130
22647982550,6chrt4497-21PK-Backend21:15:231
2219783995511,25cyclictest2270252-21ntp_states21:30:230
221979199548,27cyclictest2318611-21find23:50:102
2219783995414,15cyclictest2298363-21uname22:50:200
2219783995413,16cyclictest2255495-21hddtemp_smartct20:50:170
2219783995411,20cyclictest2322860-21ntp_states00:00:220
2219787995319,11cyclictest2289326-21ntp_kernel_pll_22:25:221
2219787995312,13cyclictest2287955-21cat22:20:291
2219783995310,26cyclictest2307166-21cat23:15:220
2219783995310,15cyclictest2248071-21latency_hist20:30:010
23064772520,27sleep30-21swapper/323:15:013
2219791995229,9cyclictest34-21ksoftirqd/221:53:022
2219787995214,11cyclictest2280166-21cstates22:00:141
2219787995213,13cyclictest2281881-21cstates22:05:131
22886592510,7sleep34497-21PK-Backend22:25:123
22327672510,7chrt4497-21PK-Backend19:45:121
2219787995119,12cyclictest2307579-21sed23:15:311
221978799511,6cyclictest2254846-21basename20:49:591
2219783995118,29cyclictest2235320-21cat19:50:280
2219783995118,28cyclictest2231742-21python319:40:270
2219787995020,7cyclictest1137-21runrttasks00:20:131
2219787995014,12cyclictest2221658-21cat19:15:021
2219783995016,29cyclictest2321074-21awk23:55:230
2219783995010,17cyclictest2308543-21cat23:20:140
22361552490,8sleep3421ksoftirqd/319:55:123
2219791994917,29cyclictest34-21ksoftirqd/222:20:012
2219791994917,29cyclictest34-21ksoftirqd/222:20:012
2219787994913,12cyclictest2251061-21seq20:36:151
2219787994913,11cyclictest2319059-21basename23:50:171
2219783994912,32cyclictest2314239-21proc_pri23:35:250
2219783994910,17cyclictest2303383-21expr23:05:130
22464212480,8sleep342-21ksoftirqd/320:25:103
2219787994817,10cyclictest2284014-21ls22:10:201
2219787994813,11cyclictest2231269-21hddtemp_smartct19:40:161
2219783994818,26cyclictest2280699-21ntp_states22:00:240
221978399481,34cyclictest0-21swapper/022:23:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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