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2026-01-26 - 14:57
[ 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 Jan 26, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3190421120,4sleep30-21swapper/311:41:003
3190421120,4sleep30-21swapper/311:41:003
197502730,3sleep00-21swapper/009:41:050
197502730,3sleep00-21swapper/009:41:050
220042700,3sleep30-21swapper/308:21:043
185382700,2chrt0-21swapper/209:40:432
185382700,2chrt0-21swapper/209:40:432
299292640,2sleep029932-21latency_hist10:10:520
218702640,3sleep021864-21gzip08:21:010
72832620,2sleep30-21swapper/307:41:043
72832620,2sleep30-21swapper/307:41:043
38492570,3chrt0-21swapper/310:25:593
38492570,3chrt0-21swapper/310:25:593
189242560,1sleep00-21swapper/011:06:040
189242560,1sleep00-21swapper/011:06:040
92372470,3sleep30-21swapper/312:06:053
92372470,3sleep30-21swapper/312:06:053
233082420,3sleep30-21swapper/308:25:543
233082420,3sleep30-21swapper/308:25:543
20492410,2sleep12224-21grep08:55:561
20492410,2sleep12224-21grep08:55:561
15252370,2sleep3431rcuc/307:26:043
15252370,2sleep3431rcuc/307:26:043
27625993628,6cyclictest4101-21latency_hist07:35:430
27625993628,5cyclictest20921-21gltestperf09:45:550
27627993527,6cyclictest17345-21kernelversion09:35:571
27627993527,6cyclictest17345-21kernelversion09:35:571
27627993425,7cyclictest31939-21netstat11:41:011
27627993425,7cyclictest31939-21netstat11:41:011
13112340,3sleep20-21swapper/211:45:582
13112340,3sleep20-21swapper/211:45:582
116312340,2sleep111646-21latency_hist07:55:461
116312340,2sleep111646-21latency_hist07:55:461
27625993325,6cyclictest31015-21latency_hist11:40:430
27625993325,6cyclictest31015-21latency_hist11:40:430
92392320,2sleep30-21swapper/307:46:063
92392320,2sleep30-21swapper/307:46:063
92392320,2sleep30-21swapper/307:46:063
2762999321,11cyclictest12527-21chrt10:50:553
2762599326,10cyclictest15639-21sed09:30:590
27625993226,4cyclictest16030-21sendmail11:00:430
27625993226,4cyclictest16030-21sendmail11:00:430
27625993226,4cyclictest1000-21gltestperf11:45:550
27625993226,4cyclictest1000-21gltestperf11:45:550
27625993215,14cyclictest674-21gpm12:12:160
27625993215,14cyclictest674-21gpm12:12:160
94262310,3sleep20-21swapper/209:15:542
94262310,3sleep20-21swapper/209:15:542
94262310,3sleep20-21swapper/209:15:542
50412310,1sleep0201rcuc/009:01:050
50412310,1sleep0201rcuc/009:01:050
2762999311,9cyclictest20572-21taskset09:45:503
2762999311,9cyclictest20572-21taskset09:45:503
27627993125,4cyclictest20499-21kernelversion11:10:591
27627993125,4cyclictest20499-21kernelversion11:10:591
2762799311,5cyclictest700-21192.168.115.40-manager12:16:471
2762799311,5cyclictest700-21192.168.115.40-manager12:16:471
2762799311,5cyclictest700-21192.168.115.40-manager12:16:471
2762599315,10cyclictest24468-21/usr/sbin/munin11:21:040
27625993127,3cyclictest27624-21cyclictest10:30:580
27625993127,3cyclictest27624-21cyclictest10:30:580
27625993125,4cyclictest27001-21fschecks_time08:35:570
27625993125,4cyclictest27001-21fschecks_time08:35:570
27625993125,4cyclictest27001-21fschecks_time08:35:570
27625993123,6cyclictest7591-21needreboot10:36:010
27625993123,6cyclictest7591-21needreboot10:36:010
27625993123,6cyclictest7332-21latency_hist09:10:440
27625993123,6cyclictest7332-21latency_hist09:10:440
27627993024,4cyclictest11931-21fschecks_count07:55:551
27627993024,4cyclictest11931-21fschecks_count07:55:551
27627993024,4cyclictest11931-21fschecks_count07:55:551
27625993025,3cyclictest700-21192.168.115.40-manager09:54:430
27625993025,3cyclictest700-21192.168.115.40-manager09:54:430
27625993023,5cyclictest10200-21fschecks_time07:50:570
27625993023,5cyclictest10200-21fschecks_time07:50:570
27625993019,8cyclictest0-21swapper/012:02:460
27625993019,8cyclictest0-21swapper/012:02:460
27627992922,5cyclictest29886-21needreboot07:16:011
27627992922,5cyclictest19081-21gltestperf09:40:571
27627992922,5cyclictest19081-21gltestperf09:40:571
27627992922,4cyclictest0-21swapper/108:40:541
27627992922,4cyclictest0-21swapper/108:40:541
27627992921,6cyclictest32111-21threads07:21:031
27627992921,6cyclictest32111-21threads07:21:031
2762599294,7cyclictest12800-21/usr/sbin/munin07:56:050
2762599294,7cyclictest12800-21/usr/sbin/munin07:56:050
2762599294,7cyclictest12800-21/usr/sbin/munin07:56:050
2762599293,8cyclictest10118-21ntp_states09:16:030
2762599293,8cyclictest10118-21ntp_states09:16:030
2762599293,8cyclictest10118-21ntp_states09:16:030
27625992925,3cyclictest24307-21sed08:26:040
27625992925,3cyclictest24307-21sed08:26:040
27625992922,5cyclictest27624-21cyclictest11:01:510
27625992922,5cyclictest27624-21cyclictest11:01:510
27625992922,5cyclictest11338-21needreboot10:46:010
27625992922,5cyclictest11338-21needreboot10:46:010
27625992917,7cyclictest90-1pr/ttyS012:23:170
27625992917,7cyclictest90-1pr/ttyS012:23:170
27625992915,9cyclictest0-21swapper/008:46:410
174532290,3sleep30-21swapper/308:10:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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