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2026-01-30 - 08:48
[ 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 #5, slot #7

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: 50.5 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack5slot7s.osadl.org (updated Fri Jan 30, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28831224242175,90sleep00-21swapper19:08:140
290779916420,114cyclictest26088-21apt-get22:05:170
290779916418,120cyclictest2392-21apt-get22:57:010
290779916217,20cyclictest9066-21apt-get23:37:010
290779916139,24cyclictest10552-21rt-features23:45:570
290779916117,22cyclictest16131-21apt-get21:07:000
290779916117,120cyclictest9497-21apt-get20:26:010
290779916114,121cyclictest12025-21head20:36:040
29077991609,127cyclictest16553-21/usr/sbin/munin00:26:000
29077991588,128cyclictest499-21apt-get19:30:160
290779915837,23cyclictest30390-21/usr/sbin/munin22:30:490
290779915816,98cyclictest31826-21apt-get19:26:000
290779915722,107cyclictest5079-21apt-get23:15:210
290779915713,120cyclictest13572-21cat20:46:010
290779915713,118cyclictest9632-21awk23:40:530
290779915617,115cyclictest18990-21df21:20:300
290779915616,116cyclictest1022-21irqstats22:50:380
290779915610,120cyclictest484-21find22:45:560
290779915519,107cyclictest3193-21memory19:45:430
290779915516,116cyclictest3798-21apt-get19:50:250
290779915515,117cyclictest1993-21munin-run19:40:020
290779915417,98cyclictest20583-21df_inode21:30:300
290779915417,27cyclictest2699-21apt-get23:00:220
290779915416,22cyclictest31015-21munin-run19:20:030
290779915411,26cyclictest14757-21sed00:11:020
290779915411,19cyclictest31771-21grep19:21:030
290779915411,117cyclictest17463-21/usr/sbin/munin00:30:340
290779915317,97cyclictest5466-21apt20:00:020
290779915315,28cyclictest5909-21/usr/sbin/munin23:20:350
290779915315,115cyclictest18251-21df_inode00:35:300
290779915314,24cyclictest16111-21sshd21:02:300
290779915313,22cyclictest8686-21munin-run20:20:020
290779915312,25cyclictest13986-21grep00:06:060
290779915222,102cyclictest18055-21apt-get21:15:210
290779915221,28cyclictest7291-21diskstats20:10:340
290779915219,25cyclictest14617-21apt-get20:55:150
290779915218,23cyclictest21973-21munin-run21:40:020
290779915213,115cyclictest12236-21apt-get20:40:160
290779915117,109cyclictest15868-21df_inode00:20:290
290779915116,110cyclictest11724-21apt-get23:55:190
290779915114,117cyclictest31598-21munin-run22:40:020
290779915112,25cyclictest8199-21latency_hist23:35:060
290779915112,117cyclictest25466-21irqstats22:00:380
290779915110,25cyclictest4347-21cstates23:10:220
290779915110,100cyclictest13076-21sort00:00:590
29077991508,118cyclictest2897-21grep19:45:030
290779915032,20cyclictest22882-21/usr/sbin/munin21:45:320
290779915021,27cyclictest19683-21apt-get21:25:200
290779915018,27cyclictest17373-21diskstats21:10:410
290779915018,106cyclictest32033-21ntp_states22:40:510
290779915017,28cyclictest9499-21munin-run20:25:050
290779915016,24cyclictest15104-21irqstats00:15:390
29077991498,117cyclictest14010-21uname20:50:420
290779914918,26cyclictest28617-21diskstats22:20:310
290779914915,25cyclictest11549-21head23:51:020
290779914914,19cyclictest29174-21apt-get19:10:270
290779914817,24cyclictest29303-21/usr/sbin/munin22:25:400
290779914815,107cyclictest26979-21df22:10:230
290779914732,21cyclictest0-21swapper20:05:050
290779914716,105cyclictest24473-21apt-get21:55:180
290779914616,25cyclictest6559-21irqstats20:05:380
290779914614,21cyclictest27672-21/usr/sbin/munin22:15:420
290779914614,108cyclictest7361-21users23:26:050
290779914610,112cyclictest23962-21ntpq21:50:460
290779914514,21cyclictest3602-21diskstats23:05:350
290779914512,112cyclictest22093-21apt-get21:40:120
290779914217,24cyclictest10733-21diskstats20:30:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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