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2026-02-02 - 22:43
[ 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 50 highest latencies:
System rack4slot6s.osadl.org (updated Mon Feb 02, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1876022390,2sleep018762-21missed_timers09:20:180
2427821260,3sleep024275-21grep07:35:260
370121150,3chrt3698-21ntpq12:35:210
2051121130,4chrt20510-21/usr/sbin/munin11:35:160
2891721120,3chrt28918-21modprobe07:55:010
1216221080,3chrt12163-21idleruntime08:55:150
43412990,3sleep04390-21awk08:25:110
244492990,3sleep024502-21/usr/sbin/munin11:50:200
32612940,2sleep03260-21sort08:20:190
260792890,3sleep026128-21users11:55:290
266372866,66sleep026703-21cat09:50:260
59202840,3sleep05985-21ls10:35:270
284042794,7sleep028425-21ntp_states12:05:210
203632784,60sleep020437-21/usr/sbin/munin07:20:270
225912734,58sleep022602-21memory09:35:180
1727327318,31sleep017297-21munin-run07:10:010
229842724,57sleep023029-21df11:45:140
17320997128,14cyclictest909-21/usr/sbin/munin12:25:130
198612700,2sleep019874-21modprobe07:20:010
17320996233,20cyclictest29477-21/usr/sbin/munin10:00:290
76172610,2sleep07618-21sshd10:42:350
17320996112,15cyclictest32645-21sshd12:20:350
1732099607,19cyclictest32738-21/usr/sbin/munin10:15:210
17320996036,16cyclictest17592-21/usr/sbin/munin09:15:250
17320996033,17cyclictest1822-21/usr/sbin/munin08:15:130
17320996033,16cyclictest32238-21/usr/sbin/munin08:05:300
1732099599,16cyclictest22856-21/usr/sbin/munin07:30:190
17320995934,15cyclictest25369-21/usr/sbin/munin07:40:170
17320995914,14cyclictest11788-21mailstats11:00:250
1732099589,15cyclictest2132-21/usr/sbin/munin12:30:310
1732099588,16cyclictest29424-21/usr/sbin/munin12:10:190
17320995835,15cyclictest19376-21/usr/sbin/munin11:30:210
17320995833,16cyclictest29622-21/usr/sbin/munin07:55:270
17320995812,15cyclictest31887-21munin-run12:20:000
17320995811,17cyclictest30931-21users08:00:290
17320995810,16cyclictest16589-21df_inode11:20:160
1732099578,17cyclictest12639-21/usr/sbin/munin11:05:250
1732099578,16cyclictest450-21/usr/sbin/munin08:10:200
1732099577,17cyclictest17422-21/usr/sbin/munin07:10:250
1732099576,18cyclictest30172-21/usr/sbin/munin10:05:220
17320995735,14cyclictest10475-21/usr/sbin/munin10:55:260
17320995710,14cyclictest8089-21sshd10:45:350
1732099569,19cyclictest18088-21ntpq11:25:200
1732099569,13cyclictest21418-21ntp_states09:30:230
1732099568,16cyclictest1883-21seq10:20:190
1732099568,12cyclictest7033-21/usr/sbin/munin08:35:140
17320995634,13cyclictest14171-21/usr/sbin/munin11:10:200
17320995633,15cyclictest25121-21/usr/sbin/munin09:45:160
17320995632,16cyclictest31527-21/usr/sbin/munin10:10:160
17320995632,15cyclictest21977-21ntp_states11:40:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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