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2026-02-06 - 10:33
[ 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 100 highest latencies:
System rack4slot6s.osadl.org (updated Fri Feb 06, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3258822060,3sleep032585-21ps21:50:250
2585621160,3chrt25830-21munin-run19:20:010
1508721150,3chrt15090-21processes22:50:260
1344921150,4chrt13447-21users20:35:310
1950621130,3chrt19504-21load21:00:170
3077921080,2sleep030780-21cat23:50:260
813021070,3sleep08131-21mailstats20:15:270
2434721050,2sleep024357-21modprobe21:20:000
1585521040,2sleep015852-21grep20:45:260
184502930,3sleep018486-21latency_hist23:05:010
50842840,2sleep05085-21latency_hist20:05:020
63982837,60sleep06424-21memory22:15:210
44722816,59sleep04483-21ntp_states00:15:240
300642806,60sleep030113-21sendmail_mailtr21:40:250
58112750,4sleep05823-21open_files00:20:260
2212027520,32sleep022126-21df_inode19:05:130
290212696,50sleep029064-21irqstats23:45:180
125692670,3sleep012570-21modprobe22:40:000
23265996533,22cyclictest21148-21/usr/sbin/munin21:05:290
23265996412,18cyclictest9363-21/usr/sbin/munin00:35:220
2326599609,16cyclictest6663-21/usr/sbin/munin20:10:200
2326599609,16cyclictest1-21systemd22:00:090
2326599608,18cyclictest8082-21/usr/sbin/munin00:30:220
2326599608,18cyclictest10751-21grep20:25:280
23265996027,24cyclictest14611-21latency_hist22:50:010
23265996017,16cyclictest3054-21irqstats00:10:180
2326599598,18cyclictest21155-21/usr/sbin/munin23:15:160
2326599598,17cyclictest24514-21/usr/sbin/munin21:20:180
23265995935,15cyclictest27966-21/usr/sbin/munin23:40:240
23265995934,17cyclictest3737-21/usr/sbin/munin22:05:140
23265995933,17cyclictest26669-21runrttasks19:21:140
23265995933,16cyclictest9062-21/usr/sbin/munin20:20:130
126402593,8sleep00-21swapper20:34:220
23265995834,15cyclictest30112-21/usr/sbin/munin19:35:210
23265995834,15cyclictest22472-21/usr/sbin/munin21:10:280
2326599579,15cyclictest25794-21/usr/sbin/munin21:25:110
2326599578,18cyclictest26381-21seq23:35:120
2326599577,17cyclictest8833-21/usr/sbin/munin22:25:290
2326599577,17cyclictest8447-21seq22:22:560
2326599577,17cyclictest20122-21ntpq23:10:200
2326599577,16cyclictest17178-21sendmail-msp23:00:010
23265995733,16cyclictest16872-21/usr/sbin/munin20:50:170
23265995733,15cyclictest7387-21/usr/sbin/munin00:25:290
23265995711,15cyclictest23947-21memory23:25:170
23265995710,15cyclictest5229-21ntp_states22:10:200
2326599569,16cyclictest5121-21/usr/sbin/munin20:05:270
2326599569,14cyclictest14355-21memory20:40:190
2326599568,16cyclictest318852chrt23:55:260
2326599567,15cyclictest1062-21/usr/sbin/munin21:55:240
23265995634,15cyclictest2040-21runrttasks19:52:080
23265995632,15cyclictest32461-21/usr/sbin/munin19:45:130
23265995632,15cyclictest2585-21/usr/sbin/munin19:55:140
23265995632,15cyclictest22546-21/usr/sbin/munin23:20:150
23265995629,16cyclictest18090-21/usr/sbin/munin20:55:130
23265995610,20cyclictest11160-21sshd22:34:090
23265995610,13cyclictest29168-21sshd21:37:090
2326599559,15cyclictest27256-21egrep19:25:100
2326599559,13cyclictest25234-21memory23:30:190
2326599557,16cyclictest12706-21/usr/sbin/munin22:40:190
23265995531,16cyclictest1925-21/usr/sbin/munin00:05:230
23265995530,16cyclictest27664-21/usr/sbin/munin21:30:290
23265995530,15cyclictest397-21/usr/sbin/munin00:00:140
23265995529,16cyclictest31398-21/usr/sbin/munin21:45:260
2326599548,14cyclictest28822-21ntp_states19:30:220
2326599547,16cyclictest31174-21/usr/sbin/munin19:40:110
23265995431,15cyclictest24021-21runrttasks19:10:530
2326599538,15cyclictest1-21systemd23:05:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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