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2026-02-20 - 22:24
[ 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 Fri Feb 20, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3030321200,3sleep030297-21gzip08:41:240
3030321200,3sleep030297-21gzip08:41:240
62612950,1sleep3431rcuc/310:31:223
72572640,3sleep20-21swapper/209:06:222
72572640,3sleep20-21swapper/209:06:222
20762640,3sleep30-21swapper/307:26:213
288662600,2chrt0-21swapper/210:06:082
288662600,2chrt0-21swapper/210:06:082
164142600,3sleep30-21swapper/312:26:073
97062580,2chrt9157-21/usr/sbin/munin12:06:220
57492560,2sleep30-21swapper/311:56:203
57492560,2sleep30-21swapper/311:56:203
57492560,2sleep30-21swapper/311:56:203
306912530,4sleep030694-21idleruntime11:36:190
306912530,4sleep030694-21idleruntime11:36:190
161672530,3chrt0-21swapper/212:23:002
129852530,3sleep20-21swapper/212:16:172
129852530,3sleep20-21swapper/212:16:172
220312460,3sleep20-21swapper/208:21:122
220312460,3sleep20-21swapper/208:21:122
326232450,2chrt0-21swapper/311:41:213
326232450,2chrt0-21swapper/311:41:213
302252450,3sleep30-21swapper/308:41:233
302252450,3sleep30-21swapper/308:41:233
4942420,2sleep032167-21/usr/sbin/munin11:41:270
4942420,2sleep032167-21/usr/sbin/munin11:41:270
294492400,4sleep029444-21idleruntime-cro08:41:080
294492400,4sleep029444-21idleruntime-cro08:41:080
21702390,3sleep30-21swapper/310:21:133
21702390,3sleep30-21swapper/310:21:133
28534993731,4cyclictest23217-21latency_hist09:51:061
166212370,3sleep30-21swapper/309:31:243
166212370,3sleep30-21swapper/309:31:243
149452370,3sleep20-21swapper/209:26:282
149452370,3sleep20-21swapper/209:26:282
28533993631,3cyclictest14540-21grep12:21:070
28533993631,3cyclictest14540-21grep12:21:070
139012360,3sleep20-21swapper/209:26:092
139012360,3sleep20-21swapper/209:26:092
148652350,2sleep014843-21fschecks_count08:01:200
148652350,2sleep014843-21fschecks_count08:01:200
316482340,1sleep031681-21open_inodes10:11:260
316482340,1sleep031681-21open_inodes10:11:260
165462340,2sleep20-21swapper/209:31:232
165462340,2sleep20-21swapper/209:31:232
146522340,4sleep20-21swapper/210:51:312
146522340,4sleep20-21swapper/210:51:312
296912330,2sleep029704-21gzip10:06:230
296912330,2sleep029704-21gzip10:06:230
28534993328,3cyclictest8839-21latency_hist07:46:071
28534993328,3cyclictest8839-21latency_hist07:46:071
28534993327,4cyclictest7177-21runrttasks09:06:211
28534993327,4cyclictest7177-21runrttasks09:06:211
28533993327,4cyclictest572-21cups-browsed08:21:280
28533993327,4cyclictest572-21cups-browsed08:21:280
28534993226,4cyclictest23025-21fschecks_time11:16:191
28534993226,4cyclictest23025-21fschecks_time11:16:191
28534993226,4cyclictest23025-21fschecks_time11:16:191
28534993226,4cyclictest23025-21fschecks_time11:16:191
28533993227,4cyclictest4096-21latency11:51:220
28533993227,4cyclictest4096-21latency11:51:220
28533993226,4cyclictest1346-21avahi-daemon09:26:290
28533993226,4cyclictest1346-21avahi-daemon09:26:290
107032320,3sleep30-21swapper/310:41:273
28534993124,4cyclictest0-21swapper/108:41:071
28534993124,4cyclictest0-21swapper/108:41:071
28534993116,2cyclictest181rcu_preempt12:20:321
28534993116,2cyclictest181rcu_preempt12:20:321
28533993125,4cyclictest674-21gpm07:46:230
210562310,2sleep30-21swapper/308:16:273
210562310,2sleep30-21swapper/308:16:273
28534993021,7cyclictest1544-21latency_hist11:46:111
28534993021,7cyclictest1544-21latency_hist11:46:111
28534993019,10cyclictest28531-21cyclictest09:01:201
28534993019,10cyclictest28531-21cyclictest09:01:201
317872290,3sleep20-21swapper/210:11:272
317872290,3sleep20-21swapper/210:11:272
28534992925,3cyclictest14425-21gltestperf09:26:211
28534992925,3cyclictest14425-21gltestperf09:26:211
28534992924,3cyclictest21998-21latency_hist12:41:071
28534992924,3cyclictest21998-21latency_hist12:41:071
28534992924,3cyclictest21998-21latency_hist12:41:071
28534992924,3cyclictest10627-21gltestperf09:16:191
28534992924,3cyclictest10627-21gltestperf09:16:191
28534992924,3cyclictest10627-21gltestperf09:16:191
28534992922,5cyclictest24884-21fschecks_count11:21:201
28534992922,5cyclictest24884-21fschecks_count11:21:201
28534992921,6cyclictest642-21gltestperf10:16:191
28534992921,6cyclictest642-21gltestperf10:16:191
28533992925,2cyclictest0-21swapper/008:36:070
28533992924,4cyclictest572-21cups-browsed10:41:260
28533992923,5cyclictest8096-21sshd09:09:230
28533992923,5cyclictest8096-21sshd09:09:230
28533992923,4cyclictest0-21swapper/010:01:070
28533992923,4cyclictest0-21swapper/010:01:070
28533992922,5cyclictest6422-21threads11:56:290
28533992922,5cyclictest6422-21threads11:56:290
28533992922,5cyclictest6422-21threads11:56:290
28533992922,5cyclictest5907-21latency_hist10:31:120
28533992922,5cyclictest5907-21latency_hist10:31:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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