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2026-02-10 - 04:13
[ 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 Tue Feb 10, 2026 00:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21083224312192,97sleep00-21swapper19:08:210
213139916110,27cyclictest3855-21munin-run20:40:020
213139915914,23cyclictest9064-21apt-get21:10:160
213139915814,118cyclictest9196-21apt-get00:31:480
213139915718,112cyclictest23074-21apt-get22:35:170
213139915619,109cyclictest31337-21apt-get23:25:290
213139915614,28cyclictest30724-21cat23:21:160
213139915614,122cyclictest1168-21munin-run23:40:020
213139915614,115cyclictest21410-21apt-get19:10:210
213139915518,26cyclictest20687-21apt-get22:20:210
213139915517,27cyclictest24167-21apt-get19:25:160
213139915516,24cyclictest9198-21munin-run00:30:050
213139915514,118cyclictest6329-21latency_hist20:55:080
213139915513,119cyclictest6426-21apt-get20:55:260
213139915510,118cyclictest30946-21wc20:05:550
213139915432,102cyclictest8201-21/usr/sbin/munin21:06:160
213139915421,28cyclictest2362-21apt-get20:30:260
213139915412,27cyclictest3554-21cron23:55:010
213139915320,103cyclictest26578-21apt-get19:40:170
213139915316,115cyclictest4768-21apt-get20:45:190
213139915314,28cyclictest5282-21/usr/sbin/munin00:05:210
213139915313,116cyclictest1234-21apt-get20:25:030
213139915311,117cyclictest16486-21head21:51:040
213139915229,103cyclictest11063-21apt-get21:20:170
213139915222,102cyclictest27372-21apt-get19:45:230
213139915221,28cyclictest18378-21diskstats22:05:370
213139915220,107cyclictest16890-21memory21:55:430
213139915215,24cyclictest30420-21head20:01:160
213139915214,44cyclictest18099-21grep22:01:030
213139915125,18cyclictest5790-21snmpd22:20:020
213139915116,113cyclictest1234-21apt-get20:26:080
213139915113,113cyclictest2081-21apt-get23:45:170
213139915111,43cyclictest6941-1kworker/u3:621:00:150
213139915110,118cyclictest29151-21cut23:10:570
21313991509,118cyclictest6664-21sort00:11:020
21313991509,116cyclictest1715-21grep23:40:560
213139915021,101cyclictest4491-21apt-get00:00:190
213139915020,29cyclictest28166-21apt-get19:50:220
213139915015,23cyclictest358-21users20:16:160
213139915014,22cyclictest357-21munin-run23:35:010
213139915013,22cyclictest5790-21snmpd21:39:300
213139915013,22cyclictest10098-21apt-get21:15:350
213139915012,114cyclictest7706-21/usr/sbin/munin00:20:360
21313991499,25cyclictest110-21systemd-journal00:40:010
21313991498,120cyclictest23896-21apt-get22:40:160
213139914922,27cyclictest28958-21apt-get19:55:230
213139914920,28cyclictest19060-21apt-get22:10:230
213139914919,23cyclictest26455-21irqstats22:55:410
213139914917,25cyclictest21484-21apt-get22:25:140
213139914910,28cyclictest13323-21sshd21:33:150
213139914829,22cyclictest0-21swapper22:45:590
213139914819,25cyclictest4079-21df_inode20:40:280
213139914816,28cyclictest14262-21/usr/sbin/munin21:41:040
213139914815,22cyclictest23255-21munin-run19:20:030
213139914815,110cyclictest29584-21df23:15:250
213139914814,97cyclictest12277-21fgrep21:25:570
213139914813,26cyclictest22721-21readlink22:30:560
213139914813,24cyclictest7488-21head00:16:000
213139914711,110cyclictest24960-21/usr/sbin/munin19:31:030
213139914614,106cyclictest15060-21apt-get21:45:140
213139914613,27cyclictest23616-21/usr/sbin/munin19:20:450
213139914612,26cyclictest27893-21/usr/sbin/munin23:05:370
213139914516,106cyclictest25858-21df19:35:310
213139914513,24cyclictest27756-21/usr/sbin/munin23:01:070
213139914511,28cyclictest31790-21rt-features20:10:550
213139914415,107cyclictest4371-21munin-run00:00:030
213139914411,27cyclictest25756-21/usr/sbin/munin22:50:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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