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2026-01-15 - 02:34
[ 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 792 highest latencies:
System rack4slot6s.osadl.org (updated Thu Jan 15, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3216021390,3sleep032158-21grep21:35:270
2121921260,4chrt21114-21/usr/sbin/munin23:00:140
2684021070,3chrt26843-21netstat19:10:200
2615821050,3chrt26159-21sshd21:13:500
3004721040,3chrt30048-21date23:35:010
429221010,4sleep04150-21/usr/sbin/munin00:00:140
100852980,3sleep010156-21/usr/sbin/munin20:10:270
175942950,2sleep017632-21netstat20:40:180
97202890,3sleep09766-21sendmail_mailtr00:20:240
203762880,3sleep020373-21find20:50:250
36122770,2sleep03613-21mailstats19:45:260
2559727520,33sleep025595-21ntp_states19:05:210
259202683,5sleep00-21swapper23:18:160
26513996627,27cyclictest8090-21/usr/sbin/munin00:15:140
306672650,3sleep030670-21proc_pri21:30:250
26513996532,22cyclictest26491-21df21:15:140
95812640,2sleep09583-21latency_hist20:10:020
26513996428,14cyclictest14963-21sshd20:30:180
26513996336,13cyclictest11737-21sshd00:29:500
26513996239,14cyclictest3508-21runrttasks23:55:580
26513996219,14cyclictest6330-21sshd00:07:500
2651399619,17cyclictest5812-21df19:55:110
26513996136,16cyclictest2758-21latency_hist23:55:020
26513996135,18cyclictest20198-21/usr/sbin/munin22:55:250
26513996035,16cyclictest32026-21/usr/sbin/munin19:30:180
26513996031,18cyclictest32735-21/usr/sbin/munin23:45:300
26513996010,17cyclictest22398-21/usr/sbin/munin23:05:230
2651399599,15cyclictest7070-21/usr/sbin/munin20:00:150
2651399598,23cyclictest18126-21sshd22:47:500
2651399597,15cyclictest29088-21tr19:20:010
26513995934,16cyclictest13767-21/usr/sbin/munin22:30:250
26513995934,15cyclictest8374-21/usr/sbin/munin22:10:170
26513995934,15cyclictest26481-21/usr/sbin/munin23:20:180
26513995931,17cyclictest13775-21/usr/sbin/munin00:35:310
26513995927,22cyclictest30683-21/usr/sbin/munin19:25:170
26513995921,13cyclictest22841-21ntpq21:00:190
26513995912,18cyclictest15911-21sed22:40:020
2651399589,18cyclictest2053-21open_files21:45:250
2651399589,17cyclictest6633-21sshd22:03:500
2651399587,18cyclictest4563-21grep21:55:180
26513995834,16cyclictest3296-21/usr/sbin/munin21:50:180
26513995834,16cyclictest19032-21/usr/sbin/munin22:50:260
26513995834,15cyclictest16574-21/usr/sbin/munin20:35:260
26513995832,16cyclictest29552-21/usr/sbin/munin21:25:260
26513995810,14cyclictest12247-21/usr/sbin/munin20:20:170
2651399578,16cyclictest15951-21/usr/sbin/munin22:40:130
26513995731,17cyclictest4989-21/usr/sbin/munin19:50:250
26513995719,13cyclictest13530-21/usr/sbin/munin20:25:230
26513995715,12cyclictest27576-21/usr/sbin/munin23:25:150
26513995711,16cyclictest19018-21/usr/sbin/munin20:45:240
26513995710,13cyclictest69662sleep022:05:110
2651399568,17cyclictest307-21munin-node00:30:100
2651399568,15cyclictest7914-21date00:15:000
26513995633,15cyclictest11627-21runrttasks20:16:150
26513995629,17cyclictest32349-21runrttasks23:42:530
26513995618,13cyclictest10996-21missed_timers22:20:170
2651399559,16cyclictest9471-21/usr/sbin/munin22:15:160
2651399558,13cyclictest2199-21ntp_states19:40:210
26513995532,14cyclictest27903-21irqstats21:20:170
26513995531,15cyclictest23903-21/usr/sbin/munin21:05:120
26513995531,15cyclictest1258-21runrttasks19:35:540
2651399548,15cyclictest21788-21timerandwakeup20:55:270
2651399548,14cyclictest307342chrt23:35:280
26513995429,14cyclictest13237-21latency_hist22:30:020
26513995414,14cyclictest276-21runrttasks23:10:310
26513995329,17cyclictest1668-21latency_hist21:45:010
2651399529,14cyclictest29335-21if_eth019:20:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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