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2026-01-27 - 14:58
[ 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 27, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5189224292196,89sleep00-21swapper07:09:120
53259916318,118cyclictest26040-21apt-get09:15:170
53259916030,21cyclictest0-21swapper09:55:010
53259916018,25cyclictest15390-21apt-get11:31:320
53259915920,31cyclictest19719-21apt-get11:55:170
53259915912,122cyclictest7739-21awk10:41:270
53259915816,116cyclictest14201-21ntpq11:20:470
53259915816,115cyclictest13069-21/usr/sbin/munin11:15:530
53259915811,121cyclictest8161-21wc07:25:050
53259915715,120cyclictest21710-21apt-get08:51:230
53259915715,120cyclictest21231-21apt12:05:010
53259915710,124cyclictest16544-21wc08:15:520
53259915619,110cyclictest9865-21apt-get10:55:190
53259915614,119cyclictest23660-21apt-get09:00:230
53259915527,89cyclictest13033-21cstates07:55:220
53259915515,114cyclictest7111-21cron10:40:000
53259915514,25cyclictest11238-21sort11:01:000
53259915514,119cyclictest25750-21uname12:30:420
53259915511,125cyclictest23628-21apt-get12:20:360
53259915511,119cyclictest26949-21ls09:20:270
53259915417,28cyclictest2657-21memory10:10:440
53259915415,41cyclictest29135-21sshd09:33:220
53259915414,23cyclictest19228-21grep08:31:040
53259915413,99cyclictest5482-21grep10:26:020
53259915328,103cyclictest28291-21sed09:26:020
53259915317,24cyclictest18499-21munin-run08:30:010
53259915312,25cyclictest1620-21/usr/sbin/munin10:05:430
53259915222,29cyclictest21333-21apt-get12:05:210
53259915216,23cyclictest30174-21df09:40:220
53259915216,111cyclictest31187-21ntp_states09:45:510
53259915214,114cyclictest29958-21munin-run09:40:020
53259915211,29cyclictest16828-21grep11:35:560
53259915211,117cyclictest110-21systemd-journal07:40:020
53259915118,21cyclictest22222-21expr12:10:220
53259915117,21cyclictest9070-21df07:30:230
53259915112,115cyclictest9774-21grep10:55:030
53259915111,115cyclictest26885-21wc12:35:590
53259915110,26cyclictest5289-21kworker/u2:007:50:140
5325991508,28cyclictest8740-21wc07:26:010
53259915024,27cyclictest24564-21diskstats09:05:330
53259915013,112cyclictest13791-21/usr/sbin/munin08:00:430
53259915010,112cyclictest11814-21sendmail_mailqu07:45:570
53259914915,22cyclictest21712-21munin-run08:50:040
53259914913,112cyclictest14894-21ntpq08:05:500
53259914912,23cyclictest17007-21/usr/sbin/munin08:21:010
53259914912,113cyclictest5847-21fgrep07:10:560
53259914912,113cyclictest23632-21munin-run12:20:010
53259914910,42cyclictest534-21switchtime09:55:580
53259914910,116cyclictest15391-21munin-plugin-st11:30:010
53259914825,18cyclictest16240-21kworker/u2:1912:25:200
53259914821,27cyclictest12390-21diskstats11:10:340
53259914820,29cyclictest4043-21apt-get10:20:170
53259914819,26cyclictest10587-21/usr/sbin/munin07:40:120
53259914716,21cyclictest25488-21memory09:10:440
53259914713,34cyclictest5640-21sshd10:30:230
53259914713,112cyclictest23561-21modprobe09:00:040
53259914712,37cyclictest4024-21grep10:20:050
53259914712,36cyclictest18814-21modprobe11:50:000
53259914711,114cyclictest18922-21/usr/sbin/munin11:50:430
53259914622,97cyclictest17340-21apt-get11:40:200
53259914619,100cyclictest19394-21apt-get08:35:190
53259914618,27cyclictest15495-21diskstats08:10:320
53259914618,24cyclictest8388-21diskstats10:45:400
53259914616,106cyclictest11594-21diskstats11:05:300
53259914610,22cyclictest6131-21munin-node07:15:100
53259914417,25cyclictest20221-21apt-get08:40:160
53259914314,24cyclictest1125-21/usr/sbin/munin10:00:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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