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2026-02-22 - 18:24
[ 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 #4, slot #1

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.

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 rack4slot1s.osadl.org (updated Sun Feb 22, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3017421210,1sleep030175-21cut09:26:240
3017421210,1sleep030175-21cut09:26:240
31952640,3sleep30-21swapper/309:41:223
210332620,3chrt0-21swapper/109:01:281
210332620,3chrt0-21swapper/109:01:281
47852610,3chrt0-21swapper/212:36:322
47852610,3chrt0-21swapper/212:36:322
180522610,3sleep2351rcuc/207:26:302
180522610,3sleep2351rcuc/207:26:302
164542600,2chrt0-21swapper/111:41:321
164542600,2chrt0-21swapper/111:41:321
54232590,3sleep30-21swapper/309:46:253
54232590,3sleep30-21swapper/309:46:253
51682580,1sleep05244-21irqstats09:46:230
51682580,1sleep05244-21irqstats09:46:230
151872580,1chrt0-21swapper/108:46:251
83712570,2sleep18474-21/usr/sbin/munin08:26:321
83712570,2sleep18474-21/usr/sbin/munin08:26:321
13292540,2sleep30-21swapper/309:36:243
13292540,2sleep30-21swapper/309:36:243
196922490,2sleep019696-21needreboot07:31:260
11022490,3sleep20-21swapper/212:26:312
11022490,3sleep20-21swapper/212:26:312
199972470,3sleep30-21swapper/311:51:313
199972470,3sleep30-21swapper/311:51:313
149872470,1sleep014991-21mailstats10:11:300
149872470,1sleep014991-21mailstats10:11:300
109302470,2sleep20-21swapper/211:26:332
109302470,2sleep20-21swapper/211:26:332
94482460,2sleep30-21swapper/309:56:313
94482460,2sleep30-21swapper/309:56:313
27342460,2sleep02737-21latency_hist09:41:110
27342460,2sleep02737-21latency_hist09:41:110
21382450,3sleep30-21swapper/312:31:233
21382450,3sleep30-21swapper/312:31:233
11660994523,20cyclictest8976-21kernelversion09:56:230
11660994523,20cyclictest8976-21kernelversion09:56:230
1166099441,12cyclictest25792-21awk10:41:230
1166099441,12cyclictest25792-21awk10:41:230
11660994320,21cyclictest18654-21cut08:56:210
11660994320,21cyclictest18654-21cut08:56:210
11660994320,21cyclictest18654-21cut08:56:210
249582420,2sleep20-21swapper/207:46:242
249582420,2sleep20-21swapper/207:46:242
1166099421,13cyclictest10933-21/usr/sbin/munin08:36:260
1166099421,13cyclictest10933-21/usr/sbin/munin08:36:260
1166099420,12cyclictest20050-21gltestperf10:26:220
221232410,2sleep20-21swapper/209:06:162
221232410,2sleep20-21swapper/209:06:162
1166099411,13cyclictest7462-21fschecks_time08:26:210
1166099411,13cyclictest7462-21fschecks_time08:26:210
314042400,2chrt0-21swapper/209:31:122
314042400,2chrt0-21swapper/209:31:122
234172400,3sleep20-21swapper/212:01:232
234172400,3sleep20-21swapper/212:01:232
1166099407,7cyclictest17251-21cpuspeed07:26:210
1166099407,7cyclictest17251-21cpuspeed07:26:210
11660994011,6cyclictest11658-21cyclictest07:47:470
11660994011,6cyclictest11658-21cyclictest07:47:470
1166099401,14cyclictest1057-21unixbench_multi12:26:310
1166099401,14cyclictest1057-21unixbench_multi12:26:310
1166099401,13cyclictest30258-21latency_hist12:21:130
1166099401,13cyclictest30258-21latency_hist12:21:130
1166099401,13cyclictest28908-21latency07:56:250
1166099401,13cyclictest28908-21latency07:56:250
1166099401,13cyclictest25291-21/usr/sbin/munin10:41:200
1166099401,13cyclictest25291-21/usr/sbin/munin10:41:200
1166099401,13cyclictest21891-21threads07:36:310
1166099401,13cyclictest21891-21threads07:36:310
1166099401,13cyclictest21891-21threads07:36:310
1166099401,12cyclictest6312-21grep11:16:220
1166099401,12cyclictest6312-21grep11:16:220
1166099401,12cyclictest6312-21grep11:16:220
1166099401,12cyclictest3651-21fschecks_count08:16:210
1166099401,12cyclictest3651-21fschecks_count08:16:210
1166099401,12cyclictest3651-21fschecks_count08:16:210
1166099401,12cyclictest23806-21cut12:01:280
1166099401,12cyclictest23806-21cut12:01:280
1166099401,12cyclictest1754-21fschecks_count08:11:200
1166099401,12cyclictest17143-21grep10:16:300
1166099401,12cyclictest17143-21grep10:16:300
1166099401,12cyclictest17143-21grep10:16:300
1166099401,12cyclictest16942-21wc07:26:090
1166099398,6cyclictest22421-21seq11:58:030
1166099398,6cyclictest22421-21seq11:58:030
1166099393,11cyclictest27192-21/usr/sbin/munin10:46:210
1166099393,11cyclictest27192-21/usr/sbin/munin10:46:210
11660993912,3cyclictest0-21swapper/011:21:320
11660993912,3cyclictest0-21swapper/011:21:320
1166099391,14cyclictest19058-21grep10:21:330
1166099391,14cyclictest19058-21grep10:21:330
1166099391,13cyclictest30796-21latency08:01:240
1166099391,13cyclictest30796-21latency08:01:240
1166099391,13cyclictest2881-21/usr/sbin/munin09:41:230
1166099391,12cyclictest10626-21awk11:26:310
1166099391,12cyclictest10626-21awk11:26:310
1166099391,11cyclictest22923-21fschecks_count07:41:200
1166099391,11cyclictest22923-21fschecks_count07:41:200
1166099391,11cyclictest19427-21tail11:51:230
1166099391,11cyclictest19427-21tail11:51:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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