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2026-02-22 - 12:08
[ 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 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307621070,2chrt3077-21/usr/sbin/munin20:21:220
307621070,2chrt3077-21/usr/sbin/munin20:21:220
18712760,1chrt1828-21latency_hist21:46:091
18712760,1chrt1828-21latency_hist21:46:091
141432750,2chrt0-21swapper/020:51:210
141432750,2chrt0-21swapper/020:51:210
141432750,2chrt0-21swapper/020:51:210
316652700,3chrt0-21swapper/300:31:223
78042540,1sleep17831-21/usr/sbin/munin23:26:281
321242540,3sleep00-21swapper/023:06:200
265222520,1sleep126699-21cat19:56:321
265222520,1sleep126699-21cat19:56:321
265222520,1sleep126699-21cat19:56:321
15502520,3sleep20-21swapper/223:11:212
15502520,3sleep20-21swapper/223:11:212
8789995138,9cyclictest19909-21latency_hist00:01:121
8789995138,9cyclictest19909-21latency_hist00:01:121
8789995138,9cyclictest19909-21latency_hist00:01:121
210162490,3sleep2351rcuc/200:01:302
210162490,3sleep2351rcuc/200:01:302
8788994824,22cyclictest27706-21cut20:01:210
8788994824,22cyclictest27706-21cut20:01:210
878899441,19cyclictest20138-21/usr/sbin/munin00:01:300
878899441,19cyclictest20138-21/usr/sbin/munin00:01:300
60662440,2sleep05156-21/usr/sbin/munin23:21:280
60662440,2sleep05156-21/usr/sbin/munin23:21:280
258262430,3sleep00-21swapper/021:21:280
258262430,3sleep00-21swapper/021:21:280
258262430,3sleep00-21swapper/021:21:280
237132430,2sleep10-21swapper/119:51:161
21242420,8sleep0221irq_work/023:11:270
21242420,8sleep0221irq_work/023:11:270
8788994113,5cyclictest24208-21kernelversion19:51:220
8788994113,5cyclictest24208-21kernelversion19:51:220
8788994113,5cyclictest15170-21cpuspeed22:21:180
8788994113,5cyclictest15170-21cpuspeed22:21:180
113102410,1sleep20-21swapper/222:11:152
113102410,1sleep20-21swapper/222:11:152
113102410,1sleep20-21swapper/222:11:152
8788994013,25cyclictest0-21swapper/000:01:110
8788994013,25cyclictest0-21swapper/000:01:110
8788994013,25cyclictest0-21swapper/000:01:110
299142400,1sleep00-21swapper/020:06:230
299142400,1sleep00-21swapper/020:06:230
17792400,3sleep10-21swapper/100:36:311
17792400,3sleep10-21swapper/100:36:311
17792400,3sleep10-21swapper/100:36:311
17792400,3sleep10-21swapper/100:36:311
8789993933,4cyclictest7412-21cron22:01:081
8789993933,4cyclictest7412-21cron22:01:081
8788993915,2cyclictest0-21swapper/020:11:250
8788993915,2cyclictest0-21swapper/020:11:250
8788993912,5cyclictest0-21swapper/020:56:310
8788993912,5cyclictest0-21swapper/020:56:310
880399382,27cyclictest20059-21chrt00:01:153
880399382,27cyclictest20059-21chrt00:01:153
880399382,27cyclictest20059-21chrt00:01:153
8788993817,2cyclictest0-21swapper/000:21:300
8788993813,2cyclictest0-21swapper/022:11:200
8788993813,2cyclictest0-21swapper/022:11:200
878899381,12cyclictest15099-21/usr/sbin/munin22:21:320
878899381,12cyclictest15099-21/usr/sbin/munin22:21:320
127672380,3sleep20-21swapper/223:41:202
878999372,28cyclictest20560-21if_err_eth000:01:231
878999372,28cyclictest20560-21if_err_eth000:01:231
878899371,14cyclictest4721-21kworker/u9:1+rpciod19:26:590
878899371,14cyclictest4721-21kworker/u9:1+rpciod19:26:590
8788993630,4cyclictest30732-21head00:26:340
8788993629,5cyclictest26760-21threads00:16:300
8788993629,5cyclictest26760-21threads00:16:300
8788993629,5cyclictest26760-21threads00:16:300
8788993617,17cyclictest0-21swapper/022:31:320
8788993617,17cyclictest0-21swapper/022:31:320
8788993613,4cyclictest0-21swapper/023:16:240
8788993613,4cyclictest0-21swapper/023:16:240
8788993613,4cyclictest0-21swapper/023:16:240
251432360,3chrt0-21swapper/021:21:200
120632360,3chrt0-21swapper/222:11:272
120632360,3chrt0-21swapper/222:11:272
8788993528,5cyclictest20492-21kernelversion19:41:240
8788993528,5cyclictest20492-21kernelversion19:41:240
8788993514,4cyclictest0-21swapper/021:41:320
8788993514,4cyclictest0-21swapper/021:41:320
48762340,2chrt0-21swapper/021:51:310
8788993326,5cyclictest11646-21processes23:36:290
8788993326,5cyclictest11646-21processes23:36:290
229142330,4sleep022918-21gltestperf22:41:240
229142330,4sleep022918-21gltestperf22:41:240
8789993223,7cyclictest4722-21processes21:51:301
8788993225,5cyclictest9434-21kernelversion23:31:220
8788993225,5cyclictest9434-21kernelversion23:31:220
8788993225,5cyclictest20092-21netstat21:06:260
8788993225,5cyclictest20092-21netstat21:06:260
8789993121,8cyclictest28696-21kernelversion22:56:231
8789993121,8cyclictest28696-21kernelversion22:56:231
8788993126,3cyclictest22195-21fschecks_count00:06:210
8788993126,3cyclictest22195-21fschecks_count00:06:210
8788993125,4cyclictest8158-21kernelversion22:01:250
8788993125,4cyclictest8158-21kernelversion22:01:250
879299301,21cyclictest20035-21chrt00:01:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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