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2026-02-10 - 10:55
[ 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 Tue Feb 10, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150321080,2chrt1504-21/usr/sbin/munin20:21:161
133332800,2sleep00-21swapper/023:46:140
133332800,2sleep00-21swapper/023:46:140
223762770,2chrt0-21swapper/222:45:582
223762770,2chrt0-21swapper/222:45:582
206572740,2sleep10-21swapper/119:46:161
206572740,2sleep10-21swapper/119:46:161
203812620,3sleep20-21swapper/222:40:032
203812620,3sleep20-21swapper/222:40:032
203812620,3sleep20-21swapper/222:40:032
244742570,3chrt0-21swapper/219:56:172
244742570,3chrt0-21swapper/219:56:172
116322550,3sleep20-21swapper/222:16:112
116322550,3sleep20-21swapper/222:16:112
116322550,3sleep20-21swapper/222:16:112
172872540,2sleep016352-21/usr/sbin/munin23:56:190
172872540,2sleep016352-21/usr/sbin/munin23:56:190
303172530,3sleep20-21swapper/223:06:122
303172530,3sleep20-21swapper/223:06:122
243772510,3sleep20-21swapper/200:16:112
243772510,3sleep20-21swapper/200:16:112
183452500,4chrt0-21swapper/300:01:083
717499461,30cyclictest4723-21/usr/sbin/munin21:56:181
717499461,30cyclictest4723-21/usr/sbin/munin21:56:181
717499460,43cyclictest700-21192.168.115.40-manager22:43:251
717499460,43cyclictest700-21192.168.115.40-manager22:43:251
321792460,3chrt0-21swapper/223:11:102
321792460,3chrt0-21swapper/223:11:102
717499450,43cyclictest700-21192.168.115.40-manager00:34:281
717499450,42cyclictest700-21192.168.115.40-manager23:18:111
717499450,42cyclictest700-21192.168.115.40-manager23:18:111
717499450,42cyclictest700-21192.168.115.40-manager23:18:111
717499441,40cyclictest700-21192.168.115.40-manager22:35:251
717499441,40cyclictest700-21192.168.115.40-manager22:35:251
717499440,42cyclictest700-21192.168.115.40-manager19:42:201
717499440,42cyclictest700-21192.168.115.40-manager19:42:201
717499440,41cyclictest700-21192.168.115.40-manager23:28:561
717499430,41cyclictest700-21192.168.115.40-manager22:12:241
717499430,41cyclictest700-21192.168.115.40-manager22:12:241
717499430,41cyclictest700-21192.168.115.40-manager00:27:281
717499430,41cyclictest700-21192.168.115.40-manager00:27:281
717499430,40cyclictest700-21192.168.115.40-manager23:24:261
717499430,40cyclictest700-21192.168.115.40-manager23:15:261
717499430,40cyclictest700-21192.168.115.40-manager23:15:261
717499420,40cyclictest700-21192.168.115.40-manager23:43:271
717499420,40cyclictest700-21192.168.115.40-manager23:43:271
717499420,40cyclictest700-21192.168.115.40-manager23:08:561
717499420,40cyclictest700-21192.168.115.40-manager23:08:561
717499420,40cyclictest700-21192.168.115.40-manager22:19:131
717499420,40cyclictest700-21192.168.115.40-manager22:19:131
717499420,40cyclictest700-21192.168.115.40-manager22:19:131
717499420,40cyclictest700-21192.168.115.40-manager22:09:541
717499420,40cyclictest700-21192.168.115.40-manager22:09:541
717499420,40cyclictest700-21192.168.115.40-manager00:12:581
717499420,40cyclictest700-21192.168.115.40-manager00:12:581
717499420,39cyclictest700-21192.168.115.40-manager22:25:271
717499420,39cyclictest700-21192.168.115.40-manager22:25:271
324292420,3sleep00-21swapper/023:11:120
324292420,3sleep00-21swapper/023:11:120
136252420,3sleep20-21swapper/219:26:182
136252420,3sleep20-21swapper/219:26:182
717499411,29cyclictest15903-21fschecks_time21:01:101
717499411,27cyclictest30172-21taskset21:38:101
717499411,27cyclictest30172-21taskset21:38:101
717499411,27cyclictest30172-21taskset21:38:101
717499410,39cyclictest700-21192.168.115.40-manager23:31:431
717499410,39cyclictest700-21192.168.115.40-manager23:31:431
717499410,39cyclictest700-21192.168.115.40-manager22:37:251
717499410,39cyclictest700-21192.168.115.40-manager22:37:251
717499410,39cyclictest700-21192.168.115.40-manager22:37:251
717499410,39cyclictest700-21192.168.115.40-manager22:26:551
717499410,39cyclictest700-21192.168.115.40-manager22:26:551
717499410,39cyclictest700-21192.168.115.40-manager00:36:281
717499410,39cyclictest700-21192.168.115.40-manager00:36:281
717499410,39cyclictest700-21192.168.115.40-manager00:18:581
717499410,39cyclictest700-21192.168.115.40-manager00:18:581
717499410,38cyclictest700-21192.168.115.40-manager23:57:271
717499410,38cyclictest700-21192.168.115.40-manager23:57:271
717499400,38cyclictest700-21192.168.115.40-manager22:51:551
717499400,38cyclictest700-21192.168.115.40-manager22:51:551
7170994033,3cyclictest0-21swapper/000:01:130
7170994033,3cyclictest0-21swapper/000:01:130
214902400,3sleep00-21swapper/022:41:170
214902400,3sleep00-21swapper/022:41:170
717499391,28cyclictest8191-21/usr/sbin/munin20:41:171
717499391,22cyclictest0-21swapper/100:01:271
717499391,22cyclictest0-21swapper/100:01:271
717499390,37cyclictest700-21192.168.115.40-manager22:47:551
717499390,37cyclictest700-21192.168.115.40-manager22:47:551
717499390,36cyclictest11628-21sshd20:50:101
717499381,34cyclictest700-21192.168.115.40-manager23:37:261
717499381,34cyclictest700-21192.168.115.40-manager23:37:261
717499381,34cyclictest700-21192.168.115.40-manager23:37:261
717499380,29cyclictest12035-21taskset19:22:371
717499380,29cyclictest12035-21taskset19:22:371
281782380,3sleep028181-21missed_timers00:26:140
281782380,3sleep028181-21missed_timers00:26:140
116872380,3sleep30-21swapper/323:41:183
116872380,3sleep30-21swapper/323:41:183
717499371,31cyclictest749-21runrttasks20:06:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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