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2026-02-01 - 11:11
[ 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 Sun Feb 01, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2070422660,3sleep020703-21latency_hist22:50:010
3037621250,2sleep030375-21grep19:15:200
769921240,3chrt7693-21sendmail22:00:010
2632021180,2sleep026322-21awk23:10:250
3126621150,3chrt31267-21egrep21:25:120
989421120,4chrt9884-21netstat00:15:190
424821020,4sleep04246-21ntp_states21:45:220
89952977,12sleep09010-21munin-run22:05:010
52072920,4sleep05211-21/usr/sbin/munin23:55:170
298162910,3sleep029828-21kworker/u2:021:20:000
247862910,2sleep024797-21cpu21:00:110
249332900,4sleep024627-21/usr/sbin/munin23:05:280
30922887,10sleep03094-21users23:45:320
156412880,3sleep015689-21latency_hist20:25:010
210342846,11sleep021032-21ntp_states22:50:240
285202810,3sleep028536-21munin-run21:15:010
14192810,2sleep01421-21latency_hist19:30:000
2869027119,29sleep028714-21munin-run19:10:010
28738996730,15cyclictest12742-21/usr/sbin/munin00:25:270
11032670,3sleep01105-21latency_hist23:40:010
28738996427,14cyclictest24054-21runrttasks23:01:220
28738996035,16cyclictest8028-21/usr/sbin/munin19:55:110
28738996034,16cyclictest32031-21/usr/sbin/munin19:20:300
28738996011,17cyclictest30123-21irqstats21:20:150
28738996010,16cyclictest32139-21sshd23:34:150
2873899598,17cyclictest14827-21/usr/sbin/munin00:35:280
28738995936,16cyclictest4044-21/usr/sbin/munin23:50:190
28738995934,15cyclictest19916-21/usr/sbin/munin20:40:200
28738995923,14cyclictest8886-21timerandwakeup00:10:230
28738995921,13cyclictest18028-21runrttasks20:33:410
2873899589,16cyclictest15806-21df20:25:120
2873899589,15cyclictest14595-21ntp_states22:25:250
28738995834,15cyclictest9816-21/usr/sbin/munin20:00:280
28738995833,17cyclictest23540-21/usr/sbin/munin20:55:130
28738995833,16cyclictest12698-21runrttasks20:12:180
28738995818,11cyclictest0-21swapper19:35:230
28738995816,13cyclictest6237-21sshd19:47:150
28738995810,16cyclictest1764-21awk21:35:250
2873899579,15cyclictest29800-21/usr/sbin/munin23:25:190
2873899579,15cyclictest288-21snmpd19:30:140
2873899578,17cyclictest6369-21/usr/sbin/munin00:00:270
28738995731,16cyclictest7029-21/usr/sbin/munin19:50:240
28738995731,16cyclictest10726-21/usr/sbin/munin22:10:230
28738995711,18cyclictest274802chrt23:15:210
2873899568,16cyclictest18505-21/usr/sbin/munin22:40:260
2873899568,16cyclictest10587-21/usr/sbin/munin20:05:260
2873899568,14cyclictest13013-21/usr/sbin/munin22:20:240
2873899567,14cyclictest10979-21/usr/sbin/munin00:20:260
28738995634,13cyclictest29046-21/usr/sbin/munin19:10:200
28738995633,15cyclictest4204-21/usr/sbin/munin19:40:140
28738995633,15cyclictest32742-21/usr/sbin/munin21:30:200
28738995632,15cyclictest2975-21/usr/sbin/munin21:40:220
28738995632,15cyclictest13220-21/usr/sbin/munin20:15:150
28738995631,15cyclictest9408-21/usr/sbin/munin22:05:190
28738995611,15cyclictest28560-21df23:20:110
28738995610,18cyclictest22166-21irqstats22:55:170
28738995610,17cyclictest5386-21irqstats21:50:150
2873899559,13cyclictest26671-21users21:05:280
2873899558,15cyclictest18321-21/usr/sbin/munin20:35:140
28738995530,17cyclictest23390-21latency_hist20:55:020
28738995530,16cyclictest17163-21/usr/sbin/munin22:35:220
28738995514,11cyclictest20967-21/usr/sbin/munin20:45:110
28738995510,16cyclictest15637-21df_inode22:30:130
2873899548,17cyclictest11975-21/usr/sbin/munin22:15:190
2873899547,16cyclictest1403-21memory23:40:170
28738995425,17cyclictest13814-21/usr/sbin/munin00:30:210
2873899538,17cyclictest8297-21date00:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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