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2026-03-03 - 12:22
[ 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 Mar 03, 2026 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27847224192158,58sleep00-21swapper19:09:210
279679916717,121cyclictest24717-21apt-get22:05:230
279679916119,117cyclictest3679-21apt-get23:15:120
279679916116,119cyclictest5459-21apt-get20:11:250
279679915920,43cyclictest8212-21apt-get20:25:170
279679915916,119cyclictest1399-21df23:00:260
279679915817,101cyclictest21161-21apt-get21:46:590
27967991569,123cyclictest18477-21unixbench_singl00:37:040
279679915615,25cyclictest4073-21df20:00:260
279679915611,28cyclictest7867-21sort23:36:510
279679915610,46cyclictest19277-21find21:30:560
279679915513,24cyclictest15334-21df_inode00:20:340
279679915512,30cyclictest7421-1kworker/u3:020:41:570
279679915512,117cyclictest29684-21cut19:16:150
279679915428,20cyclictest0-21swapper21:10:030
279679915427,19cyclictest0-21swapper19:26:020
279679915425,107cyclictest0-21swapper19:30:580
279679915416,115cyclictest13929-21munin-run21:00:040
279679915415,115cyclictest9554-21uname23:46:210
279679915413,117cyclictest11254-21awk23:55:470
279679915413,101cyclictest3397-21cat19:55:450
279679915412,118cyclictest16004-21ps21:10:540
279679915325,27cyclictest5748-21memory23:26:240
279679915323,22cyclictest0-21swapper23:55:040
279679915315,26cyclictest28456-21ntp_states22:25:530
279679915315,23cyclictest577-21df22:55:260
279679915313,25cyclictest12413-21head00:01:010
279679915313,116cyclictest5790-21snmpd23:05:200
279679915313,115cyclictest7045-21gpgv23:35:060
27967991529,118cyclictest16662-21unixbench_singl00:26:020
279679915232,22cyclictest8056-21apt-get23:41:430
279679915215,25cyclictest24123-21sort22:00:420
279679915213,25cyclictest27212-21sh22:20:010
279679915213,116cyclictest5226-21cut20:06:150
279679915210,119cyclictest26253-21grep22:11:050
279679915210,118cyclictest16913-21df00:30:260
279679915139,23cyclictest30301-21/usr/sbin/munin19:20:470
279679915138,22cyclictest565-21unixbench_singl19:36:060
279679915128,102cyclictest0-21swapper22:40:560
279679915126,18cyclictest0-21swapper20:46:110
279679915120,24cyclictest14480-21diskstats00:15:550
279679915118,23cyclictest22456-21irqstats21:50:450
279679915117,21cyclictest1463-21munin-run19:45:010
279679915117,20cyclictest1827-21cat19:45:460
279679915117,109cyclictest28935-21apt-get22:30:130
279679915116,111cyclictest2987-21df23:10:240
279679915115,112cyclictest10500-21munin-run20:40:060
279679915111,39cyclictest13010-21find00:05:560
279679915111,115cyclictest110-21systemd-journal22:40:010
279679915016,107cyclictest20581-21diskstats21:40:350
279679915015,110cyclictest14149-21df21:00:250
279679915014,114cyclictest17138-21latency_hist21:20:010
279679915013,113cyclictest14067-21munin-run00:15:050
279679915012,24cyclictest27516-21irqstats22:20:390
279679915010,39cyclictest31444-21df22:45:270
279679914919,28cyclictest18831-21latency_hist21:30:040
279679914919,24cyclictest365-21munin-run22:55:030
279679914914,23cyclictest17954-21apt21:25:020
279679914912,114cyclictest23777-21munin-run22:00:020
27967991489,22cyclictest28424-21grep19:10:510
279679914734,20cyclictest4511-21apt-get23:20:170
279679914725,99cyclictest12547-21diskstats20:50:310
279679914717,105cyclictest19643-21apt-get21:35:160
279679914611,23cyclictest7835-21zcat20:20:550
279679914610,111cyclictest3071-21date19:55:030
279679914517,26cyclictest7299-21munin-run20:20:030
279679914414,106cyclictest9696-21apt20:35:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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