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2026-02-07 - 19:58
[ 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 Sat Feb 07, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32614224392195,98sleep00-21swapper07:06:190
6139916614,128cyclictest12565-21apt-get11:35:340
6139916319,118cyclictest10371-21munin-run11:25:040
6139916011,124cyclictest19193-21head08:56:030
6139915916,116cyclictest517-21apt-get10:26:170
6139915915,28cyclictest11398-21apt-get11:30:380
6139915732,25cyclictest5790-21snmpd11:51:040
6139915714,28cyclictest10883-21sort11:26:150
6139915711,121cyclictest19398-21sshd09:00:120
6139915620,30cyclictest23552-21df09:25:260
6139915617,115cyclictest1403-21munin-run07:15:050
6139915614,117cyclictest9187-21apt-get08:01:290
6139915613,28cyclictest10336-21munin-node08:05:110
6139915613,101cyclictest9536-21cron11:20:010
6139915611,121cyclictest4124-21cstates10:45:220
6139915534,98cyclictest5568-21ls10:55:040
6139915517,113cyclictest3644-21irqstats07:25:410
6139915513,28cyclictest21895-21wc12:30:540
6139915513,116cyclictest6337-21apt11:00:010
6139915511,119cyclictest15263-21apt08:35:000
613991549,121cyclictest18956-21sed12:11:020
6139915419,26cyclictest1955-21diskstats07:15:530
6139915412,117cyclictest29207-21if_eth010:00:380
6139915411,121cyclictest26563-21grep09:45:020
6139915410,100cyclictest21013-21wc09:10:040
6139915318,21cyclictest11369-21memory08:10:440
6139915311,42cyclictest6776-21find07:45:180
6139915221,28cyclictest22067-21memory09:15:460
6139915218,25cyclictest2437-21apt-get10:35:180
6139915215,112cyclictest22438-21diskstats12:35:320
6139915214,113cyclictest14179-21users11:41:120
6139915213,115cyclictest14473-21munin-run08:30:030
6139915212,39cyclictest7439-21uname11:05:400
6139915211,25cyclictest6750-21awk11:00:480
6139915133,22cyclictest3259-21apt-get10:40:180
6139915122,28cyclictest28242-21apt-get09:55:220
6139915114,113cyclictest17094-21df_inode08:45:280
6139915113,25cyclictest27081-21find09:45:550
6139915113,116cyclictest12913-21apt-config08:20:290
6139915112,23cyclictest12729-21/usr/sbin/munin08:20:090
6139915023,110cyclictest1253-1kworker/u3:610:30:170
6139915018,26cyclictest16005-21df11:55:260
6139915017,25cyclictest27549-21df09:50:270
6139915017,110cyclictest19824-21munin-run12:20:010
6139915016,21cyclictest5790-21snmpd10:17:000
6139915013,99cyclictest6579-21http07:45:050
6139915012,113cyclictest17241-21sort12:00:580
6139915011,115cyclictest3042-21grep07:20:540
613991498,23cyclictest8774-21wc11:15:030
6139914916,23cyclictest14489-21irqstats11:45:370
6139914916,21cyclictest25280-21memory09:35:440
6139914913,25cyclictest20071-21/usr/sbin/munin12:20:360
6139914912,97cyclictest16269-21ls08:40:240
6139914912,112cyclictest30371-21switchtime10:05:570
6139914912,100cyclictest500-21sshd10:22:110
6139914911,113cyclictest30651-21/usr/sbin/munin10:10:120
613991489,24cyclictest17946-21fgrep12:05:560
6139914816,25cyclictest20844-21df_inode12:25:290
6139914815,37cyclictest21724-21munin-run09:15:010
6139914814,109cyclictest18055-21/usr/sbin/munin08:50:470
6139914720,27cyclictest22770-21diskstats09:20:330
6139914718,24cyclictest8492-21apt-get07:55:140
6139914718,104cyclictest15474-21df_inode08:35:290
6139914714,111cyclictest4753-21cut07:31:000
6139914617,107cyclictest0-21swapper09:30:460
6139914611,25cyclictest5742-21modprobe07:40:000
6139914518,105cyclictest5061-21kworker/u2:007:50:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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