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2026-01-17 - 15:46
[ 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 all highest latencies:
System rack5slot7s.osadl.org (updated Sat Jan 17, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4123224272185,97sleep00-21swapper07:06:020
46139916216,107cyclictest32364-21diskstats09:55:310
46139916114,25cyclictest14898-21irqstats08:10:380
46139916111,125cyclictest18634-21apt-get08:36:310
46139916013,45cyclictest11337-21apt-get11:05:240
46139915715,25cyclictest23884-21df12:20:260
46139915713,105cyclictest5733-21cstates10:30:210
46139915630,89cyclictest261-21in:imuxsock11:37:580
46139915619,39cyclictest26315-21apt-get09:21:250
4613991558,108cyclictest3857-21head10:16:100
46139915515,114cyclictest32154-21apt09:55:010
46139915443,90cyclictest7537-21cstates07:25:220
46139915437,22cyclictest22074-21apt-get08:56:400
46139915414,116cyclictest6672-21/usr/sbin/munin07:20:330
46139915340,21cyclictest21222-21uptime12:01:010
46139915317,94cyclictest14822-21df11:25:260
46139915316,25cyclictest13934-21apt-get08:05:190
46139915316,23cyclictest20453-21munin-run12:00:020
46139915315,37cyclictest22953-21apt-get12:15:190
46139915315,115cyclictest5402-21apt07:15:010
46139915314,110cyclictest5836-21/usr/sbin/munin07:15:590
46139915312,116cyclictest19650-21munin-plugin-st11:55:000
46139915310,119cyclictest3126-21modprobe10:15:010
46139915218,112cyclictest26867-21munin-run12:40:020
46139915216,113cyclictest2109-21munin-run10:10:010
46139915214,24cyclictest13833-21munin-run08:05:030
46139915210,100cyclictest12381-21cstates07:55:220
46139915135,95cyclictest21988-21grep12:06:020
46139915126,106cyclictest12305-21apt-get11:10:160
46139915117,37cyclictest18636-21munin-run08:35:050
46139915117,19cyclictest29752-21munin-run09:40:020
46139915116,112cyclictest9804-21munin-run07:40:030
46139915112,39cyclictest12148-21sed07:51:220
46139915111,25cyclictest6872-21grep10:35:550
46139915029,99cyclictest31123-21mailstats09:45:580
46139915019,29cyclictest7277-21/usr/sbin/munin10:41:080
46139915019,27cyclictest11179-21munin-run11:05:020
46139915017,23cyclictest15693-21irqstats08:15:390
46139915017,110cyclictest22112-21latency_hist08:55:060
46139915016,23cyclictest19965-21irqstats08:40:460
46139915015,37cyclictest26315-21apt-get09:20:020
46139915014,114cyclictest9001-21apt07:35:020
46139915012,100cyclictest289-21snmpd09:25:210
46139915011,116cyclictest25138-21grep12:26:020
46139915010,27cyclictest16030-21wc11:31:000
46139915010,116cyclictest21270-21cron08:50:010
46139914916,24cyclictest24132-21diskstats09:05:330
46139914913,113cyclictest23446-21cat09:00:480
46139914912,113cyclictest16872-21/usr/sbin/munin08:21:000
46139914910,112cyclictest10085-21fgrep10:55:550
46139914832,23cyclictest22526-21wc12:10:540
46139914815,19cyclictest13808-21munin-run11:20:030
46139914815,111cyclictest10100-21irqstats07:40:390
46139914814,37cyclictest25021-21wc09:10:410
46139914811,115cyclictest982-21grep10:00:540
46139914810,25cyclictest26010-21unixbench_singl12:31:030
46139914720,100cyclictest28496-21memory09:30:460
46139914716,46cyclictest4983-21/usr/sbin/munin10:25:360
46139914713,22cyclictest17144-21/usr/sbin/munin08:25:290
4613991469,33cyclictest9458-21grep10:51:020
46139914616,23cyclictest8729-21users10:46:080
46139914612,24cyclictest30120-21grep09:40:450
46139914519,26cyclictest18853-21munin-run11:50:030
46139914513,38cyclictest10720-21/usr/sbin/munin07:45:400
46139914412,111cyclictest14487-21grep11:20:590
4613991439,113cyclictest623-1kworker/u3:010:20:120
46139914210,25cyclictest16936-1kworker/u3:411:40:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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