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2026-02-15 - 14:01
[ 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 15, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
537721320,3sleep00-21swapper/010:16:150
537721320,3sleep00-21swapper/010:16:150
2577821260,2sleep125779-21cat11:11:111
1831121240,2sleep30-21swapper/310:51:113
2725321170,3sleep30-21swapper/309:46:233
2725321170,3sleep30-21swapper/309:46:233
2138321120,2sleep30-21swapper/308:06:133
2138321120,2sleep30-21swapper/308:06:133
275842700,3sleep00-21swapper/011:16:080
275842700,3sleep00-21swapper/011:16:080
57992610,2chrt0-21swapper/310:16:183
57992610,2chrt0-21swapper/310:16:183
125002500,3sleep20-21swapper/212:01:172
46422490,3sleep20-21swapper/210:11:262
46422490,3sleep20-21swapper/210:11:262
296252450,2sleep30-21swapper/308:26:233
296252450,2sleep30-21swapper/308:26:233
252902450,2chrt0-21swapper/109:41:221
97672430,3sleep30-21swapper/310:26:233
97672430,3sleep30-21swapper/310:26:233
19112420,2sleep01924-21latency_hist08:41:040
19112420,2sleep01924-21latency_hist08:41:040
174362390,1sleep017540-21awk09:21:160
72822380,2sleep20-21swapper/210:21:162
72822380,2sleep20-21swapper/210:21:162
141232380,3sleep30-21swapper/307:46:153
141232380,3sleep30-21swapper/307:46:153
726993730,5cyclictest28226-21latency_hist09:51:101
726993730,5cyclictest28226-21latency_hist09:51:101
127672370,2chrt0-21swapper/307:41:203
127672370,2chrt0-21swapper/307:41:203
726993629,5cyclictest31764-21latency_hist10:01:011
726993629,5cyclictest31764-21latency_hist10:01:011
166002360,3sleep00-21swapper/012:11:210
166002360,3sleep00-21swapper/012:11:210
726993529,4cyclictest14109-21processes09:11:231
726993529,4cyclictest14109-21processes09:11:231
726993527,6cyclictest29520-21latency_hist11:21:121
726993527,6cyclictest29520-21latency_hist11:21:121
46062350,2sleep14618-21strings08:46:201
46062350,2sleep14618-21strings08:46:201
271302350,4sleep20-21swapper/208:21:152
271302350,4sleep20-21swapper/208:21:152
254732350,3sleep30-21swapper/312:36:153
254732350,3sleep30-21swapper/312:36:153
254732350,3sleep30-21swapper/312:36:153
115202350,2sleep20-21swapper/209:06:142
115202350,2sleep20-21swapper/209:06:142
726993326,5cyclictest3266-21kernelversion11:36:171
726993326,5cyclictest3266-21kernelversion11:36:171
725993324,7cyclictest29854-21threads08:26:250
725993324,7cyclictest29854-21threads08:26:250
73199323,8cyclictest52792sleep208:47:052
73199323,8cyclictest52792sleep208:47:052
726993226,4cyclictest7181-21tail11:46:191
726993226,4cyclictest7181-21tail11:46:191
726993224,6cyclictest10117-21latency_hist07:36:101
726993224,6cyclictest10117-21latency_hist07:36:101
725993226,4cyclictest723-21cyclictest07:51:210
725993223,7cyclictest21535-21cpuspeed12:26:120
725993223,7cyclictest21535-21cpuspeed12:26:120
726993125,5cyclictest2585-21kernelversion08:41:171
726993125,4cyclictest15308-21fschecks_count09:16:141
726993125,4cyclictest15308-21fschecks_count09:16:141
726993124,5cyclictest6680-21fschecks_time07:26:161
726993124,5cyclictest6680-21fschecks_time07:26:161
726993124,5cyclictest25293-21fschecks_time08:16:131
726993124,5cyclictest25293-21fschecks_time08:16:131
726993123,6cyclictest3267-21latency_hist10:11:081
726993123,6cyclictest3267-21latency_hist10:11:081
726993122,7cyclictest25057-21latency_hist08:16:091
726993122,7cyclictest25057-21latency_hist08:16:091
726993122,7cyclictest22720-21unixbench_singl12:26:251
726993122,7cyclictest22720-21unixbench_singl12:26:251
726993122,7cyclictest20613-21latency_hist09:31:031
726993122,7cyclictest20613-21latency_hist09:31:031
726993121,8cyclictest25162-21unixbench_singl11:06:261
73199301,9cyclictest0-21swapper/207:36:092
73199301,9cyclictest0-21swapper/207:36:092
726993025,2cyclictest0-21swapper/107:56:021
726993023,5cyclictest723-21cyclictest10:26:181
726993023,5cyclictest723-21cyclictest10:26:181
726993023,5cyclictest27643-21latency_hist11:16:111
726993022,6cyclictest572-21cups-browsed12:06:231
725993025,4cyclictest28393-21ntp_offset11:16:210
725993025,4cyclictest28393-21ntp_offset11:16:210
725993023,5cyclictest20005-21timerwakeupswit09:26:260
725993023,5cyclictest20005-21timerwakeupswit09:26:260
105012300,3sleep110506-21tail07:36:161
105012300,3sleep110506-21tail07:36:161
73199290,11cyclictest26040-21chrt12:36:222
73199290,11cyclictest26040-21chrt12:36:222
73199290,11cyclictest26040-21chrt12:36:222
726992924,3cyclictest11896-21sendmail12:01:021
726992924,3cyclictest11896-21sendmail12:01:021
726992923,3cyclictest0-21swapper/112:01:251
726992921,6cyclictest5556-21grep11:41:231
726992921,6cyclictest5556-21grep11:41:231
725992922,5cyclictest25605-21latency_hist11:11:030
725992922,5cyclictest25605-21latency_hist11:11:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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