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2026-02-02 - 18:08
[ 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 02, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1650821390,2sleep20-21swapper/209:26:122
3151421190,2sleep131518-21gltestperf08:41:041
179722950,2sleep2351rcuc/208:05:522
179722950,2sleep2351rcuc/208:05:522
286482930,2sleep30-21swapper/308:31:133
22952900,3sleep02301-21gltestperf10:16:030
22952900,3sleep02301-21gltestperf10:16:030
314202850,4sleep30-21swapper/311:36:103
314202850,4sleep30-21swapper/311:36:103
137492830,2sleep20-21swapper/209:20:572
137492830,2sleep20-21swapper/209:20:572
169302810,9sleep016934-21needreboot08:01:070
169302810,9sleep016934-21needreboot08:01:070
14232790,4sleep30-21swapper/308:46:093
14232790,4sleep30-21swapper/308:46:093
113382700,2sleep30-21swapper/312:10:593
238202680,3sleep029966-21cyclictest09:46:080
238202680,3sleep029966-21cyclictest09:46:080
198602650,3sleep20-21swapper/211:06:062
198602650,3sleep20-21swapper/211:06:062
66322620,3sleep30-21swapper/309:01:043
199372620,2chrt0-21swapper/212:31:122
199372620,2chrt0-21swapper/212:31:122
86512610,4sleep20-21swapper/210:31:122
86512610,4sleep20-21swapper/210:31:122
81812590,2sleep08182-21/usr/sbin/munin09:06:010
81812590,2sleep08182-21/usr/sbin/munin09:06:010
240912550,3sleep20-21swapper/211:16:112
240912550,3sleep20-21swapper/211:16:112
240912550,3sleep20-21swapper/211:16:112
203542540,2sleep00-21swapper/009:36:110
203542540,2sleep00-21swapper/009:36:110
203542540,2sleep00-21swapper/009:36:110
137952530,1sleep00-21swapper/009:20:590
137952530,1sleep00-21swapper/009:20:590
313512520,2sleep031511-21grep08:41:040
156122520,3chrt0-21swapper/309:25:573
156122520,3chrt0-21swapper/309:25:573
175902460,4sleep30-21swapper/311:01:003
175902460,4sleep30-21swapper/311:01:003
175902460,4sleep30-21swapper/311:01:003
7482440,3chrt0-21swapper/008:46:020
7482440,3chrt0-21swapper/008:46:020
235132440,5sleep023517-21idleruntime-cro08:20:490
235132440,5sleep023517-21idleruntime-cro08:20:490
215722430,2sleep20-21swapper/209:41:032
215722430,2sleep20-21swapper/209:41:032
215722430,2sleep20-21swapper/209:41:032
22472410,3sleep20-21swapper/207:21:142
140962410,1sleep014242-21/usr/sbin/munin09:21:040
140962410,1sleep014242-21/usr/sbin/munin09:21:040
309142400,2sleep00-21swapper/010:06:030
245202390,2chrt0-21swapper/008:21:090
245202390,2chrt0-21swapper/008:21:090
29993993630,5cyclictest29966-21cyclictest12:31:131
29993993630,5cyclictest29966-21cyclictest12:31:131
217642360,3sleep20-21swapper/211:11:042
217642360,3sleep20-21swapper/211:11:042
184482350,1sleep00-21swapper/009:31:120
184482350,1sleep00-21swapper/009:31:120
180532350,3sleep30-21swapper/311:01:043
180532350,3sleep30-21swapper/311:01:043
29989993425,7cyclictest13595-21latency_hist10:50:590
29989993425,3cyclictest181rcu_preempt09:58:150
29989993425,3cyclictest181rcu_preempt09:58:150
29989993425,3cyclictest181rcu_preempt09:58:150
29993993326,5cyclictest21545-21fschecks_time11:11:031
29993993326,5cyclictest21545-21fschecks_time11:11:031
29989993327,4cyclictest29966-21cyclictest10:51:040
29989993327,4cyclictest29966-21cyclictest10:51:040
27342330,4sleep20-21swapper/210:16:092
27342330,4sleep20-21swapper/210:16:092
110712330,1sleep111264-21unixbench_multi09:11:121
110712330,1sleep111264-21unixbench_multi09:11:121
29993993226,4cyclictest29263-21kernelversion11:31:051
29993993226,4cyclictest11116-21sendmail10:40:501
29993993226,4cyclictest11116-21sendmail10:40:501
29993993223,7cyclictest25188-21fschecks_count09:51:021
29993993223,7cyclictest25188-21fschecks_count09:51:021
29989993225,5cyclictest2711-21fschecks_count08:51:030
29989993225,5cyclictest2711-21fschecks_count08:51:030
29989993125,5cyclictest17975-21threads12:26:110
29989993124,5cyclictest1139-21timerandwakeup10:11:140
29989993124,5cyclictest1139-21timerandwakeup10:11:140
29989993123,6cyclictest12295-21idleruntime-cro07:50:500
29989993123,6cyclictest12295-21idleruntime-cro07:50:500
204572310,3sleep00-21swapper/008:11:040
204572310,3sleep00-21swapper/008:11:040
308172300,2sleep030818-21fschecks_count11:36:030
308172300,2sleep030818-21fschecks_count11:36:030
29993993024,4cyclictest344-21gltestperf10:11:051
29993993024,4cyclictest344-21gltestperf10:11:051
29993993023,6cyclictest15843-21cut09:26:041
29989993023,5cyclictest17393-21latency_hist11:00:510
29989993023,5cyclictest17393-21latency_hist11:00:510
29989993023,5cyclictest17393-21latency_hist11:00:510
29989993017,11cyclictest0-21swapper/012:11:020
29989993017,11cyclictest0-21swapper/012:11:020
29993992923,4cyclictest29966-21cyclictest09:50:561
29993992923,4cyclictest29966-21cyclictest09:50:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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