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2026-02-20 - 06:33
[ 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 Fri Feb 20, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
768222570,2sleep07681-21tr20:10:200
388322510,2sleep03887-21switchtime22:00:270
2320122390,2sleep023198-21ntpq21:10:210
267721450,2sleep02678-21/usr/sbin/munin21:55:290
920521300,4chrt8702-21/usr/sbin/munin20:15:320
2909821290,4chrt29096-21sendmail-msp23:40:010
3237521220,4chrt32373-21users23:50:300
89121210,4chrt889-21ntp_states23:55:210
1788421210,4chrt17881-21open_files22:55:240
1255621200,4chrt12554-21irqstats22:35:170
2956821190,3chrt29566-21memory21:35:200
1001821030,3sleep010019-21munin-node20:20:120
1922221000,4sleep019269-21netstat20:55:210
313362950,3sleep031340-21switchtime19:35:270
113922900,3sleep011455-21swap00:35:250
99522890,3sleep09977-21/usr/sbin/munin00:30:210
274822890,4sleep027554-21timerwakeupswit19:20:280
205632870,3sleep020610-21ntp_kernel_pll_21:00:200
74312860,4sleep07484-21/usr/sbin/munin22:15:190
249922860,2sleep024991-21awk19:10:300
221072855,9sleep022178-21timerwakeupswit21:05:270
2382427816,16sleep00-21swapper19:06:360
24284996627,27cyclictest2730-21/usr/sbin/munin19:50:260
2428499649,19cyclictest15050-21df22:45:110
206142640,2sleep020615-21cat23:05:270
24284996110,15cyclictest964-21/usr/sbin/munin19:45:310
24284996035,16cyclictest16608-21/usr/sbin/munin20:45:170
24284996011,17cyclictest24321-21/usr/sbin/munin23:20:190
2428499598,19cyclictest24203-21/usr/sbin/munin21:15:210
24284995934,15cyclictest23002-21/usr/sbin/munin23:15:220
24284995930,17cyclictest4883-21/usr/sbin/munin00:10:250
24284995921,13cyclictest6141-21open_inodes00:15:250
2428499589,18cyclictest28324-21df19:25:130
2428499589,15cyclictest25998-21/usr/sbin/munin19:15:240
2428499588,17cyclictest8559-21/usr/sbin/munin22:20:280
2428499587,18cyclictest4860-21/usr/sbin/munin22:05:170
24284995835,14cyclictest19177-21/usr/sbin/munin23:00:250
24284995834,15cyclictest13779-21/usr/sbin/munin22:40:140
24284995833,16cyclictest13981-21/usr/sbin/munin20:35:160
24284995832,17cyclictest26816-21/usr/sbin/munin23:30:190
2428499579,15cyclictest863-21awk21:50:140
2428499578,18cyclictest15178-21/usr/sbin/munin20:40:270
2428499578,15cyclictest3204-21/usr/sbin/munin00:05:110
2428499578,15cyclictest28090-21/usr/sbin/munin21:30:240
2428499577,20cyclictest7184-21df00:20:130
24284995733,16cyclictest32223-21/usr/sbin/munin19:40:130
24284995733,16cyclictest1996-21/usr/sbin/munin00:00:160
24284995733,15cyclictest29436-21/usr/sbin/munin23:40:180
24284995733,15cyclictest13105-21/usr/sbin/munin20:30:280
24284995732,15cyclictest29990-21/usr/sbin/munin19:30:250
24284995731,16cyclictest31191-21runrttasks23:46:130
24284995710,19cyclictest25611-21tr23:25:210
2428499568,16cyclictest9840-21/usr/sbin/munin22:25:140
2428499568,16cyclictest3532-21/usr/sbin/munin19:55:250
2428499567,15cyclictest17740-21/usr/sbin/munin20:50:250
24284995632,16cyclictest32015-21/usr/sbin/munin21:45:120
24284995617,14cyclictest21966-21threads23:10:270
70492553,8sleep00-21swapper22:14:320
2428499559,17cyclictest9149-21chrt00:26:310
2428499559,15cyclictest6324-21memory20:05:190
2428499559,15cyclictest276-21runrttasks20:01:320
2428499559,13cyclictest25526-21/usr/sbin/munin21:20:170
2428499558,15cyclictest11374-21/usr/sbin/munin20:25:130
24284995532,16cyclictest27925-21runrttasks21:29:440
24284995531,16cyclictest31659-21runrttasks21:43:330
2428499548,19cyclictest11124-21/usr/sbin/munin22:30:150
2428499547,16cyclictest16281-21/usr/sbin/munin22:50:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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