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2026-03-03 - 10:02
[ 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 #6

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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack4slot6s.osadl.org (updated Tue Mar 03, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1427222790,3sleep014273-21/usr/sbin/munin21:15:260
2600522600,2sleep026008-21sort22:00:270
1880922350,2sleep018808-21grep23:40:100
1823722160,3sleep018235-21grep21:30:280
2878121540,2sleep028782-21vmstat20:05:280
194721260,3sleep01943-21cat22:35:020
1919121220,3chrt19189-21df19:30:140
1765721140,3chrt17655-21latency23:35:160
2272021130,3chrt22719-21munin-run21:50:000
2147921050,4chrt21477-21cat21:45:020
215622990,3sleep021578-21sendmail19:40:000
142572990,4sleep014287-21/usr/sbin/munin19:10:220
243032986,13sleep024307-21memory21:55:160
23582950,4sleep02419-21tr20:30:200
257732936,11sleep025842-21/usr/sbin/munin00:05:280
98002916,12sleep09835-21ls21:00:020
322512890,4sleep032308-21/usr/sbin/munin20:20:200
265402850,4sleep026542-21/usr/sbin/munin00:10:110
115002786,60sleep011504-21ntp_states21:05:220
13868996411,19cyclictest29747-21ntpq20:10:220
1384426316,29sleep013855-21cat19:10:020
135582620,3sleep013559-21latency_hist23:20:010
1386899609,17cyclictest1770-21wc00:40:020
13868996010,19cyclictest10208-21ntp_states21:00:230
1386899599,17cyclictest17852-21/usr/sbin/munin19:25:280
1386899598,18cyclictest31892-21/usr/sbin/munin22:25:260
1386899598,16cyclictest877-21/usr/sbin/munin20:25:190
312752583,9sleep00-21swapper22:21:010
1386899588,15cyclictest25570-21/usr/sbin/munin19:55:170
13868995833,16cyclictest24537-21/usr/sbin/munin19:50:190
13868995833,15cyclictest7466-21/usr/sbin/munin20:50:140
13868995832,17cyclictest16858-21/usr/sbin/munin21:25:250
13868995817,12cyclictest0-21swapper19:15:150
13868995810,17cyclictest16213-21/usr/sbin/munin23:30:240
13868995810,15cyclictest29331-21memory00:20:180
1386899579,18cyclictest5872-21/usr/sbin/munin22:50:270
1386899579,18cyclictest114-21systemd-journal22:49:250
1386899577,16cyclictest30426-21/usr/sbin/munin00:25:180
13868995734,15cyclictest26832-21/usr/sbin/munin22:05:140
13868995733,15cyclictest13728-21/usr/sbin/munin23:20:150
13868995733,14cyclictest12754-21/usr/sbin/munin21:10:190
13868995730,17cyclictest20358-21/usr/sbin/munin23:45:210
13868995711,17cyclictest27183-21seq20:00:230
13868995710,16cyclictest15015-21/usr/sbin/munin23:25:140
13868995710,15cyclictest28429-21awk00:15:290
13868995710,15cyclictest2047-21df22:35:120
1386899569,17cyclictest24259-21ntp_states00:00:210
1386899569,15cyclictest30742-21/usr/sbin/munin20:15:210
1386899568,16cyclictest3308-21/usr/sbin/munin22:40:260
1386899568,15cyclictest8464-21/usr/sbin/munin23:00:250
1386899567,17cyclictest30469-21munin-run22:20:000
1386899567,17cyclictest23833-21munin-run00:00:010
1386899567,15cyclictest3749-21chrt20:35:240
1386899567,15cyclictest28003-21/usr/sbin/munin22:10:190
1386899566,18cyclictest22836-21/usr/sbin/munin21:50:180
13868995632,15cyclictest15983-21runrttasks21:22:420
13868995631,16cyclictest8073-21runrttasks22:58:040
13868995611,15cyclictest32003-21ntp_states00:30:240
1386899558,21cyclictest22081-21sshd19:40:250
1386899557,17cyclictest10081-21/usr/sbin/munin23:05:230
13868995511,16cyclictest19551-21users21:35:270
13868995510,16cyclictest23645-21seq19:45:440
1386899549,17cyclictest5052-21ntp_states20:40:220
1386899547,15cyclictest11330-21ntp_states23:10:220
13868995410,16cyclictest6318-21grep20:45:230
13868995410,16cyclictest21424-21df23:50:120
13868995229,15cyclictest16614-21/usr/sbin/munin19:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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