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2026-02-03 - 08:34
[ 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 100 highest latencies:
System rack4slot6s.osadl.org (updated Tue Feb 03, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
720622060,2sleep07208-21idleruntime22:20:150
1929821250,3sleep019297-21find21:00:270
3168421200,3chrt31682-21df_inode23:55:120
1490121200,3chrt14898-21munin-run20:45:010
2529921180,2sleep025298-21if_eth023:30:160
217521170,4chrt2090-21/usr/sbin/munin19:55:150
2984921120,3chrt29847-21awk21:40:280
1067921110,3chrt10680-21readlink00:40:000
186142930,3sleep018666-21latency_hist23:05:020
163982930,3sleep016397-21tr22:55:200
218522920,2sleep021856-21processes21:10:260
207762915,11sleep020788-21/usr/sbin/munin21:05:290
86472890,5sleep08581-21/usr/sbin/munin20:20:170
111022870,2sleep011100-21cat20:30:030
33982836,65sleep03447-21awk20:00:110
75472796,61sleep07552-21ntp_states20:15:250
216252789,9sleep00-21swapper19:05:050
124222778,55sleep0307-21munin-node20:35:110
69912746,56sleep06998-21df_inode00:25:150
22839997012,21cyclictest17648-21df_inode20:55:140
2283999658,17cyclictest5426-21sshd20:06:340
2283999618,17cyclictest30700-21/usr/sbin/munin19:40:290
22839996136,16cyclictest28300-21runrttasks19:30:190
2283999609,19cyclictest3522-21ntp_states22:05:230
22839996024,14cyclictest30680-21latency_hist19:40:030
22839996010,17cyclictest4608-21/usr/sbin/munin00:15:210
2283999598,19cyclictest1763-21/usr/sbin/munin00:05:230
22839995932,16cyclictest24314-21/usr/sbin/munin23:25:270
22839995912,15cyclictest5700-21df00:20:120
2283999589,17cyclictest16299-21/usr/sbin/munin20:50:280
22839995835,14cyclictest31992-21/usr/sbin/munin21:50:150
22839995811,15cyclictest32576-21users19:45:290
2283999579,17cyclictest26826-21/usr/sbin/munin19:25:310
2283999578,16cyclictest3692-21seq00:10:470
2283999578,16cyclictest11141-21/usr/sbin/munin20:30:160
2283999577,19cyclictest27775-21/usr/sbin/munin23:40:190
22839995733,15cyclictest27670-21latency_hist23:40:020
22839995733,15cyclictest12418-21/usr/sbin/munin22:40:170
22839995732,15cyclictest2268-21/usr/sbin/munin22:00:240
22839995726,23cyclictest9472-21latency_hist00:35:020
22839995717,14cyclictest21435-21awk23:15:150
22839995710,16cyclictest30813-21ntp_states21:45:230
22839995710,15cyclictest6982-21munin-run22:20:000
2283999569,16cyclictest536-21seq00:00:150
2283999569,15cyclictest5974-21/usr/sbin/munin20:10:290
2283999568,16cyclictest1354-21/usr/sbin/munin19:50:270
2283999568,15cyclictest14095-21/usr/sbin/munin22:45:280
2283999568,14cyclictest4516-21/usr/sbin/munin22:10:160
2283999568,14cyclictest24085-21/usr/sbin/munin21:20:300
2283999568,14cyclictest1806-21munin-run22:00:010
2283999567,16cyclictest23211-21ntpq19:10:210
2283999566,17cyclictest26103-21sshd21:26:340
2283999566,17cyclictest10967-21/usr/sbin/munin22:35:240
22839995633,15cyclictest24268-21/usr/sbin/munin19:15:120
22839995632,16cyclictest9758-21runrttasks22:30:140
22839995632,15cyclictest26131-21/usr/sbin/munin19:20:280
22839995632,15cyclictest22911-21/usr/sbin/munin23:20:220
22839995630,15cyclictest15767-21runrttasks20:46:400
22839995618,10cyclictest28191-21ntpq21:35:200
2283999556,16cyclictest18722-21/usr/sbin/munin23:05:170
22839995530,16cyclictest29556-21/usr/sbin/munin23:45:280
22839995530,15cyclictest30404-21/usr/sbin/munin23:50:130
2283999548,15cyclictest22875-21cat21:15:140
2283999546,14cyclictest20159-21irqstats23:10:180
22839995430,16cyclictest9640-21latency_hist22:30:010
22839995417,15cyclictest1-21systemd22:50:270
2283999538,29cyclictest26652-21/usr/sbin/munin21:30:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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