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2026-02-26 - 21:57
[ 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 Thu Feb 26, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32011224322196,90sleep00-21swapper07:07:090
323769917119,41cyclictest14318-21apt-get08:35:580
323769916824,31cyclictest5446-21apt-get07:40:420
323769916519,103cyclictest8924-21df08:00:260
323769916413,126cyclictest19961-21ntpq09:06:280
323769916314,125cyclictest18298-21apt-get12:16:300
323769916313,125cyclictest1231-21apt-get10:30:390
323769916213,111cyclictest724-21munin-node07:15:040
323769915920,26cyclictest17058-21apt-get08:50:170
323769915917,113cyclictest31207-21apt-get10:15:240
323769915816,117cyclictest9724-21df_inode08:05:310
323769915814,121cyclictest11314-21diskstats08:15:310
323769915722,107cyclictest27775-21apt-get09:55:330
323769915716,116cyclictest18555-21munin-run09:00:010
323769915711,25cyclictest12563-21grep08:20:570
323769915711,121cyclictest11011-21sed11:26:010
323769915617,100cyclictest3062-21munin-run10:40:010
323769915614,117cyclictest6268-21munin-run11:00:010
323769915612,119cyclictest6387-21/usr/sbin/munin11:00:120
323769915516,25cyclictest21991-21apt09:20:020
323769915516,116cyclictest20365-21diskstats12:25:300
323769915514,117cyclictest9484-21munin-run11:20:030
323769915511,26cyclictest2787-21wc07:25:230
32376991549,120cyclictest22762-21head09:21:020
323769915412,118cyclictest9711-21sh11:20:280
323769915412,118cyclictest14312-21modprobe08:35:000
32376991539,120cyclictest22529-21cron12:40:010
323769915319,105cyclictest7975-21apt-get11:10:160
323769915314,29cyclictest11397-21cat11:30:400
323769915314,117cyclictest17520-21sort12:10:040
323769915314,117cyclictest16714-21munin-run12:05:010
323769915311,119cyclictest4135-21sort07:31:030
323769915310,117cyclictest29659-21diskstats10:05:310
323769915218,23cyclictest14513-21diskstats11:50:300
323769915218,108cyclictest19466-21apt-get12:20:260
323769915215,23cyclictest7451-21memory07:50:470
323769915213,99cyclictest1859-21munin-run07:20:020
323769915213,101cyclictest16511-21cat08:45:440
323769915211,117cyclictest23336-21wc09:25:550
323769915133,16cyclictest0-21swapper07:55:380
323769915116,24cyclictest4084-21diskstats10:45:300
323769915113,22cyclictest4261-21apt-get07:35:310
323769915110,26cyclictest25118-21sed09:36:010
323769915034,22cyclictest18024-21zcat12:10:540
323769915013,117cyclictest23815-21diskstats09:30:330
323769915013,115cyclictest13128-21awk08:25:480
323769915012,99cyclictest21265-21cat09:15:040
323769914944,22cyclictest6838-21/usr/sbin/munin07:46:030
323769914935,19cyclictest21412-21grep12:30:530
323769914931,23cyclictest15621-21find11:55:560
323769914913,112cyclictest31039-21munin-run10:15:040
323769914911,114cyclictest822-21ntp_kernel_err10:25:470
323769914816,106cyclictest26115-21apt-get09:45:140
323769914813,110cyclictest29171-21zcat10:01:010
32376991479,41cyclictest13390-21wc11:41:000
323769914726,19cyclictest32200-21apt-get10:20:180
323769914719,25cyclictest5790-21snmpd10:42:180
323769914717,105cyclictest27021-21diskstats09:50:340
323769914712,96cyclictest18784-21sshd09:00:320
323769914711,94cyclictest14185-21grep11:46:020
323769914614,24cyclictest11985-21apt-get11:35:110
323769914613,25cyclictest7293-21diskstats11:05:340
323769914528,19cyclictest5790-21snmpd08:10:590
323769914520,24cyclictest25561-21memory09:40:440
323769914514,105cyclictest1976-21/usr/sbin/munin07:21:080
323769914417,100cyclictest818-21munin-node08:40:120
323769914315,106cyclictest4873-21df_inode10:50:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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