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2026-02-09 - 10:16
[ 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 Mon Feb 09, 2026 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2586021210,3sleep20-21swapper/200:36:112
2586021210,3sleep20-21swapper/200:36:112
302772850,3sleep20-21swapper/223:21:132
302772850,3sleep20-21swapper/223:21:132
55062810,3sleep30-21swapper/323:41:123
219342800,3chrt0-21swapper/320:06:093
146552780,2chrt0-21swapper/222:40:572
146552780,2chrt0-21swapper/222:40:572
164272690,2sleep00-21swapper/021:16:180
164272690,2sleep00-21swapper/021:16:180
164272690,2sleep00-21swapper/021:16:180
127662680,2sleep30-21swapper/321:06:193
127662680,2sleep30-21swapper/321:06:193
62642630,4sleep05467-21/usr/sbin/munin22:16:150
62642630,4sleep05467-21/usr/sbin/munin22:16:150
271692620,3chrt27173-21latency_hist20:21:050
271692620,3chrt27173-21latency_hist20:21:050
240512600,2chrt24050-21sort23:06:000
240512600,2chrt24050-21sort23:06:000
112132580,4chrt0-21swapper/222:31:082
112132580,4chrt0-21swapper/222:31:082
229812570,2sleep20-21swapper/221:36:102
229812570,2sleep20-21swapper/221:36:102
229812570,2sleep20-21swapper/221:36:102
276612560,1sleep00-21swapper/020:21:090
276612560,1sleep00-21swapper/020:21:090
1129995648,4cyclictest0-21swapper/000:01:030
1129995648,4cyclictest0-21swapper/000:01:030
95542540,2sleep20-21swapper/221:00:552
95542540,2sleep20-21swapper/221:00:552
55072530,2chrt0-21swapper/219:21:132
147962520,3sleep20-21swapper/219:46:142
147962520,3sleep20-21swapper/219:46:142
12852520,3sleep30-21swapper/320:36:163
12852520,3sleep30-21swapper/320:36:163
193132500,2sleep0171ktimers/022:51:160
193132500,2sleep0171ktimers/022:51:160
60472490,3chrt0-21swapper/319:21:183
178562490,3chrt0-21swapper/200:16:012
178562490,3chrt0-21swapper/200:16:012
1129994921,18cyclictest12665-21fw_packets00:01:110
1129994921,18cyclictest12665-21fw_packets00:01:110
264752480,2sleep20-21swapper/221:45:582
161192480,3chrt0-21swapper/219:51:082
161192480,3chrt0-21swapper/219:51:082
1129994836,10cyclictest700-21192.168.115.40-manager21:35:410
1129994836,10cyclictest700-21192.168.115.40-manager21:35:410
1129994821,10cyclictest9897-21taskset19:32:400
1129994821,10cyclictest9897-21taskset19:32:400
1129994719,11cyclictest32691-21sed20:35:590
1129994719,11cyclictest32691-21sed20:35:590
244472460,3sleep20-21swapper/223:06:102
244472460,3sleep20-21swapper/223:06:102
184742460,3sleep30-21swapper/321:21:273
184742460,3sleep30-21swapper/321:21:273
1129994638,6cyclictest700-21192.168.115.40-manager00:28:130
1129994619,16cyclictest6322-21taskset23:43:130
1129994618,12cyclictest2752-21taskset23:35:290
1129994618,12cyclictest2752-21taskset23:35:290
1129994536,7cyclictest700-21192.168.115.40-manager22:21:410
1129994534,8cyclictest550-21cron00:15:560
1129994534,8cyclictest550-21cron00:15:560
1129994521,9cyclictest9349-21chrt20:58:240
1129994521,9cyclictest9349-21chrt20:58:240
1129994520,10cyclictest5321-21sed22:15:590
1129994518,10cyclictest10802-21taskset22:30:120
194252440,3sleep30-21swapper/321:26:093
124982440,3sleep30-21swapper/319:41:083
124982440,3sleep30-21swapper/319:41:083
1129994420,11cyclictest17835-21sed19:56:040
1129994420,10cyclictest10490-21/usr/sbin/munin19:36:070
1129994420,10cyclictest10490-21/usr/sbin/munin19:36:070
1129994419,10cyclictest3097-21taskset22:07:170
1129994419,10cyclictest3097-21taskset22:07:170
1129994417,13cyclictest3855-21taskset20:44:380
1129994417,13cyclictest3855-21taskset20:44:380
1129994417,12cyclictest851-21taskset23:30:120
1129994417,12cyclictest851-21taskset23:30:120
1129994416,8cyclictest0-21swapper/023:08:280
1129994416,8cyclictest0-21swapper/023:08:280
1129994336,4cyclictest700-21192.168.115.40-manager21:37:020
1129994336,4cyclictest700-21192.168.115.40-manager21:37:020
1129994336,4cyclictest700-21192.168.115.40-manager21:37:020
1129994334,7cyclictest700-21192.168.115.40-manager21:06:500
1129994334,7cyclictest700-21192.168.115.40-manager21:06:500
1129994321,9cyclictest27434-21chrt23:12:590
1129994321,9cyclictest27434-21chrt23:12:590
1129994320,8cyclictest28256-21taskset21:50:480
1129994319,15cyclictest18883-21chrt21:25:170
1129994319,15cyclictest18883-21chrt21:25:170
1129994319,10cyclictest21173-21seq20:03:240
1129994319,10cyclictest15698-21taskset00:08:380
1129994319,10cyclictest15698-21taskset00:08:380
1129994317,11cyclictest27180-21latency_hist00:40:590
1129994317,11cyclictest27180-21latency_hist00:40:590
1129994316,12cyclictest23405-21latency_hist20:11:030
117522420,3sleep20-21swapper/223:56:192
117522420,3sleep20-21swapper/223:56:192
1129994232,8cyclictest700-21192.168.115.40-manager20:26:500
1129994232,8cyclictest700-21192.168.115.40-manager20:26:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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