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2026-02-04 - 07:10
[ 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 Wed Feb 04, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1819421460,1sleep10-21swapper/122:51:061
1712721080,3sleep10-21swapper/121:21:091
1712721080,3sleep10-21swapper/121:21:091
407721070,2sleep1281ktimers/120:46:121
146642720,6sleep114662-21ntp_states22:41:091
308112620,2sleep030885-21awk20:31:120
308112620,2sleep030885-21awk20:31:120
232582600,3sleep10-21swapper/123:06:021
232582600,3sleep10-21swapper/123:06:021
69452580,1sleep07065-21missed_timers22:21:070
69452580,1sleep07065-21missed_timers22:21:070
127582560,3sleep10-21swapper/100:01:261
112432560,3sleep10-21swapper/121:06:061
112432560,3sleep10-21swapper/121:06:061
112432560,3sleep10-21swapper/121:06:061
111092530,2sleep011115-21latency_hist19:40:510
111092530,2sleep011115-21latency_hist19:40:510
99032520,3sleep30-21swapper/321:01:133
99032520,3sleep30-21swapper/321:01:133
285452520,2chrt0-21swapper/121:51:121
127532480,3sleep30-21swapper/300:01:243
260032460,3sleep30-21swapper/321:46:043
260032460,3sleep30-21swapper/321:46:043
310994333,5cyclictest0-21swapper/000:00:580
310994333,5cyclictest0-21swapper/000:00:580
310994333,5cyclictest0-21swapper/000:00:580
119902390,2sleep111811-21latency_hist22:36:001
310993832,4cyclictest8660-21latency_hist21:00:510
310993832,4cyclictest8660-21latency_hist21:00:510
155912380,3chrt0-21swapper/321:16:133
155912380,3chrt0-21swapper/321:16:133
31099371,28cyclictest11953-21irqstats00:01:070
310993626,2cyclictest181rcu_preempt22:56:060
310993626,2cyclictest181rcu_preempt22:56:060
310993626,2cyclictest181rcu_preempt22:56:060
109532360,2sleep0201rcuc/022:31:110
109532360,2sleep0201rcuc/022:31:110
56132350,2sleep05627-21latency_hist19:25:560
31299343,23cyclictest11372-21chrt00:00:582
31299343,23cyclictest11372-21chrt00:00:582
31299343,23cyclictest11372-21chrt00:00:582
311993427,5cyclictest18741-21kernelversion21:26:051
311993427,5cyclictest18741-21kernelversion21:26:051
310993428,4cyclictest14548-21unixbench_singl00:06:150
310993428,4cyclictest14548-21unixbench_singl00:06:150
320072330,1sleep10-21swapper/120:36:031
320072330,1sleep10-21swapper/120:36:031
310993328,4cyclictest13116-21timerwakeupswit22:36:130
310993328,4cyclictest13116-21timerwakeupswit22:36:130
310993328,4cyclictest13116-21timerwakeupswit22:36:130
310993327,4cyclictest31094-21latency_hist22:00:510
310993327,4cyclictest31094-21latency_hist22:00:510
310993327,4cyclictest11927-21unixbench_multi21:06:140
310993327,4cyclictest11927-21unixbench_multi21:06:140
310993327,4cyclictest11927-21unixbench_multi21:06:140
310993324,7cyclictest1-21systemd23:47:240
310993324,7cyclictest1-21systemd23:47:240
311993227,3cyclictest22874-21gltestperf20:11:061
311993227,3cyclictest22874-21gltestperf20:11:061
311993225,5cyclictest29005-21fschecks_count23:21:041
310993226,4cyclictest8416-21proc_pri19:31:100
310993226,4cyclictest8416-21proc_pri19:31:100
310993226,4cyclictest16859-21idleruntime-cro00:15:520
310993226,4cyclictest16859-21idleruntime-cro00:15:520
310993224,6cyclictest9029-21fschecks_count21:01:040
310993224,6cyclictest9029-21fschecks_count21:01:040
43252310,3chrt0-21swapper/322:15:513
43252310,3chrt0-21swapper/322:15:513
31499312,21cyclictest11324-21taskset00:00:553
31499312,21cyclictest11324-21taskset00:00:553
31499312,21cyclictest11324-21taskset00:00:553
310993124,6cyclictest19013-21sshd22:52:240
310993124,5cyclictest0-21swapper/023:40:510
310993124,5cyclictest0-21swapper/023:40:510
310993124,5cyclictest0-21swapper/023:40:510
311993024,4cyclictest15714-21latency00:11:061
311993024,4cyclictest15714-21latency00:11:061
311993023,5cyclictest11215-21latency_hist00:00:511
311993023,5cyclictest11215-21latency_hist00:00:511
311993023,5cyclictest11215-21latency_hist00:00:511
310993025,3cyclictest8988-21needreboot22:26:080
310993025,3cyclictest8988-21needreboot22:26:080
310993024,4cyclictest25756-21unixbench_singl00:36:160
310993024,4cyclictest25756-21unixbench_singl00:36:160
310993024,4cyclictest25756-21unixbench_singl00:36:160
310993024,4cyclictest21761-21latency_hist21:35:510
310993024,4cyclictest21761-21latency_hist21:35:510
310993024,4cyclictest16667-21fschecks_time21:21:030
310993024,4cyclictest16667-21fschecks_time21:21:030
299122300,2sleep10-21swapper/123:21:131
311992924,4cyclictest1346-21avahi-daemon23:11:131
311992924,4cyclictest1346-21avahi-daemon23:11:131
311992924,3cyclictest0-21swapper/122:31:071
311992923,5cyclictest22062-21sshd20:07:241
311992923,5cyclictest22062-21sshd20:07:241
311992922,5cyclictest26065-21sh20:21:021
311992922,5cyclictest26065-21sh20:21:021
310992924,4cyclictest25254-21fschecks_count23:11:040
310992924,4cyclictest25254-21fschecks_count23:11:040
310992924,3cyclictest0-21swapper/020:40:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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