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2026-01-13 - 10:40
[ 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 792 highest latencies:
System rack5slot7s.osadl.org (updated Tue Jan 13, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3078224392203,89sleep00-21swapper19:09:060
32269916316,122cyclictest31897-21apt-get22:06:440
32269916314,125cyclictest19824-21wc00:05:550
32269916118,27cyclictest5257-21munin-run22:40:050
32269915720,97cyclictest7060-21uname19:30:400
32269915718,114cyclictest30657-21cat21:55:590
32269915718,112cyclictest29353-21apt-get21:50:190
32269915713,21cyclictest21960-21apt-get21:05:260
32269915713,119cyclictest14247-21apt-get20:12:000
32269915628,20cyclictest0-21swapper00:15:560
32269915620,25cyclictest18666-21apt-get00:00:250
32269915519,25cyclictest26942-21apt-get21:35:160
32269915516,116cyclictest11926-21apt-get20:00:180
32269915513,121cyclictest16713-21latency_hist23:50:000
32269915511,120cyclictest3757-21awk19:11:010
32269915511,119cyclictest17683-21apt-get23:55:170
32269915414,115cyclictest11104-21apt-get19:55:190
3226991538,122cyclictest20034-21awk20:51:000
32269915341,93cyclictest24458-21kernelversion00:35:410
32269915330,19cyclictest0-21swapper23:11:000
32269915315,111cyclictest30844-21apt-get22:01:030
32269915314,25cyclictest17510-21/usr/sbin/munin23:55:050
32269915313,118cyclictest8366-21apt-get19:41:090
32269915313,116cyclictest11907-21munin-run23:20:030
3226991529,120cyclictest21724-21grep21:01:010
32269915225,18cyclictest0-21swapper20:45:570
32269915221,103cyclictest14408-21apt-get23:35:200
32269915219,110cyclictest5252-21apt-get22:41:260
32269915216,98cyclictest23626-21apt21:15:010
32269915211,25cyclictest15794-21find20:20:550
32269915210,100cyclictest12717-21/usr/sbin/munin20:06:100
32269915127,21cyclictest6403-21apt-get22:45:130
32269915117,94cyclictest15196-21users20:16:110
32269915115,23cyclictest22777-21df00:25:290
32269915112,114cyclictest23905-21uname21:15:400
32269915111,26cyclictest26078-21ls21:30:040
32269915111,117cyclictest26359-21ls21:30:400
32269915111,115cyclictest12313-21tr23:20:470
32269915110,26cyclictest9982-21awk19:46:030
32269915034,92cyclictest28453-21modprobe21:45:010
32269915016,111cyclictest17072-21diskstats20:30:350
32269915013,23cyclictest2049-21munin-run22:20:030
32269915011,26cyclictest28627-21wc21:45:230
32269915010,117cyclictest2636-21mailstats22:20:580
32269915010,114cyclictest10920-21grep19:51:020
32269914934,19cyclictest6075-21kworker/u2:119:25:060
32269914917,28cyclictest25218-21users21:21:060
32269914913,30cyclictest21876-21/usr/sbin/munin00:21:070
32269914911,113cyclictest7610-21grep22:50:560
32269914910,117cyclictest20316-21cstates00:10:220
3226991488,24cyclictest23677-21grep00:30:400
32269914816,26cyclictest8370-21munin-run19:40:060
32269914813,26cyclictest545-21apt-get22:10:100
32269914812,25cyclictest9972-21proc_pri23:05:530
32269914812,109cyclictest16163-21/usr/sbin/munin20:26:000
32269914811,22cyclictest13312-21cut23:26:000
32269914810,116cyclictest13867-21sort23:30:440
32269914717,24cyclictest18446-21apt20:40:020
32269914712,111cyclictest15918-21modprobe23:45:010
32269914712,108cyclictest7985-21/usr/sbin/munin22:55:590
32269914619,24cyclictest8812-21apt-get23:00:170
32269914614,24cyclictest4209-21irqstats19:15:170
32269914612,34cyclictest3935-21/usr/sbin/munin22:30:380
32269914534,88cyclictest3040-21cstates22:25:230
32269914315,109cyclictest0-21swapper20:55:470
3226991429,25cyclictest5578-21grep19:20:460
32269914216,18cyclictest0-21swapper20:45:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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