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2026-01-19 - 05:36
[ 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 100 highest latencies:
System rack4slot6s.osadl.org (updated Mon Jan 19, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2024022570,3sleep020241-21mailstats21:30:270
2118821520,3sleep021184-21cat19:30:010
2874121200,4chrt28739-21sshd19:59:070
2399021200,3chrt23989-21/usr/sbin/munin19:40:140
32221190,4chrt320-21df22:20:130
33121170,3sleep0333-21latency_hist20:15:010
2915021170,4chrt29151-21/usr/sbin/munin20:00:150
992521160,4chrt9926-21mailstats20:50:310
2660721070,3chrt26608-21missed_timers19:50:170
722621060,4sleep07300-21awk22:45:270
1481621060,4chrt14817-21load21:10:180
2256221050,3sleep022565-21cpu19:35:110
2100521030,4sleep021043-21/usr/sbin/munin23:40:150
1961921020,3sleep019621-21cpu23:35:120
136662948,13sleep013734-21sendmail_mailqu21:05:250
198582890,4sleep019906-21latency_hist19:25:010
59502876,12sleep06022-21users22:40:300
288522870,3sleep028885-21netstat00:10:200
1555828520,13sleep00-21swapper19:06:500
121602700,3sleep012159-21tr23:05:230
15989996621,15cyclictest23858-21/usr/sbin/munin21:45:160
15989996612,21cyclictest4413-21ntp_states22:35:230
15989996210,19cyclictest31695-21ntp_states22:15:210
15989996210,18cyclictest31404-21/usr/sbin/munin00:20:180
15989996113,13cyclictest14894-21systemctl23:15:260
1598999599,15cyclictest18040-21sshd21:22:070
1598999598,18cyclictest27378-21/usr/sbin/munin00:05:150
1598999598,16cyclictest21257-21/usr/sbin/munin19:30:270
15989995923,26cyclictest27457-21latency_hist22:00:020
15989995920,12cyclictest1563-21cron20:20:010
15989995911,16cyclictest17314-21/usr/sbin/munin23:25:220
15989995911,15cyclictest16247-21pluginstate21:15:250
1598999589,16cyclictest3010-21/usr/sbin/munin20:25:280
1598999588,17cyclictest673-21chrt00:25:290
15989995810,18cyclictest13213-21latency_hist21:05:020
15989995810,13cyclictest30590-21ntpq20:05:210
1598999579,16cyclictest3632-21sshd22:32:030
1598999578,16cyclictest24963-21/usr/sbin/munin21:50:300
1598999578,15cyclictest16092-21/usr/sbin/munin19:10:290
15989995733,14cyclictest2711-21/usr/sbin/munin00:35:150
15989995731,16cyclictest10785-21/usr/sbin/munin23:00:210
15989995729,17cyclictest4373-21/usr/sbin/munin20:30:170
15989995711,18cyclictest18551-21munin-run19:20:000
1598999569,15cyclictest24781-21/usr/sbin/munin23:55:170
1598999569,15cyclictest22803-21users23:45:280
1598999568,18cyclictest1777-21df20:20:120
1598999568,17cyclictest27557-21grep22:00:110
1598999568,17cyclictest23497-21/usr/sbin/munin23:50:170
1598999568,15cyclictest16058-21seq23:20:210
1598999567,16cyclictest307-21munin-node20:40:120
15989995632,16cyclictest23626-21latency_hist21:45:020
15989995610,16cyclictest31125-21munin-run00:20:010
15989995610,15cyclictest18338-21/usr/sbin/munin23:30:240
1598999559,16cyclictest22257-21munin-run21:40:000
1598999559,15cyclictest1621-21/usr/sbin/munin00:30:190
1598999557,17cyclictest9277-21/usr/sbin/munin22:55:210
1598999557,17cyclictest5573-21/usr/sbin/munin20:35:210
1598999557,17cyclictest13168-21/usr/sbin/munin23:10:300
15989995532,14cyclictest30721-21/usr/sbin/munin22:10:290
15989995530,15cyclictest7997-21/usr/sbin/munin22:50:120
1598999549,13cyclictest25131-21/usr/sbin/munin19:45:140
1598999548,15cyclictest1601-21awk22:25:090
1598999546,16cyclictest28922-21awk22:05:130
15989995431,15cyclictest19690-21runrttasks21:30:010
15989995430,16cyclictest26826-21runrttasks00:01:320
15989995430,15cyclictest8466-21ntp_states20:45:230
15989995429,16cyclictest10878-21irqstats20:55:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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