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2026-02-22 - 21:05
[ 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 Sun Feb 22, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12033224362203,89sleep00-21swapper07:09:280
121359916618,28cyclictest16578-21apt-get07:35:180
121359916015,122cyclictest15161-21df10:45:250
121359916014,120cyclictest13446-21apt-get10:35:190
121359916011,125cyclictest8471-21unixbench_singl10:01:030
121359915920,111cyclictest10228-21apt-get10:15:200
121359915910,125cyclictest18210-21latency_hist11:05:040
121359915834,103cyclictest30693-21sendmail12:20:000
121359915818,25cyclictest26396-21apt-get11:56:340
121359915817,96cyclictest26899-21apt-get08:42:020
121359915811,121cyclictest20432-21sed07:56:040
121359915737,23cyclictest1385-21/usr/sbin/munin09:20:400
121359915616,112cyclictest6231-21apt-get09:50:180
121359915615,22cyclictest3488-21apt-get09:36:070
121359915521,108cyclictest15785-21apt-get07:30:220
121359915514,118cyclictest30058-21wc08:55:570
121359915514,112cyclictest9432-21/usr/sbin/munin10:10:570
121359915512,120cyclictest16367-21wc10:51:020
121359915510,118cyclictest28343-21/usr/sbin/munin12:06:030
121359915431,86cyclictest29451-21cat12:10:460
121359915420,38cyclictest12927-21/usr/sbin/munin07:15:040
121359915414,24cyclictest24807-21latency_hist11:45:010
121359915339,22cyclictest22147-21mailstats11:26:000
121359915322,29cyclictest18993-21apt-get07:50:210
121359915318,109cyclictest21500-21df08:05:250
121359915316,112cyclictest7680-21users09:56:040
121359915312,119cyclictest24692-21wc08:25:240
121359915311,117cyclictest1029-21grep12:35:480
121359915310,28cyclictest12503-21sed10:26:040
121359915242,89cyclictest14182-21latency_hist07:20:070
121359915215,22cyclictest14991-21apt-get07:25:220
121359915214,25cyclictest16938-21ntp_kernel_pll_10:55:490
121359915210,119cyclictest32166-21grep12:26:000
121359915118,104cyclictest5436-21apt-get09:45:150
121359915115,23cyclictest26202-21apt-get08:35:180
121359915114,23cyclictest9334-21munin-plugin-st10:10:010
121359915114,21cyclictest27914-21grep12:00:580
121359915114,114cyclictest14515-21cat10:40:460
121359915114,114cyclictest11753-21apt10:25:000
121359915112,116cyclictest18960-21apt-get11:11:300
121359915111,111cyclictest12802-21if_eth010:30:370
12135991509,100cyclictest17507-21df_inode07:40:270
121359915032,96cyclictest4762-21forks09:40:420
121359915029,21cyclictest23701-21munin-run08:20:040
121359915011,25cyclictest21162-21grep11:20:460
121359915011,25cyclictest18836-21head07:46:040
12135991499,25cyclictest28461-21grep08:46:040
121359914921,27cyclictest31489-21memory09:05:460
121359914914,112cyclictest23295-21apt-get11:35:180
121359914914,107cyclictest25408-21apt-get08:30:170
121359914913,23cyclictest20844-21wc11:20:050
121359914913,113cyclictest1076-21modprobe09:20:010
121359914912,38cyclictest32466-21wc09:10:550
12135991489,98cyclictest22754-21cat11:30:460
121359914816,26cyclictest20719-21diskstats08:00:330
121359914816,25cyclictest18962-21munin-run11:10:040
121359914813,112cyclictest25649-21grep11:50:040
121359914812,21cyclictest25704-21apt-get11:50:190
121359914726,101cyclictest22307-21diskstats08:10:330
121359914720,99cyclictest28841-21apt-get08:50:230
121359914716,106cyclictest3488-21apt-get09:35:030
121359914710,38cyclictest14791-21sort07:21:030
121359914615,105cyclictest1999-21/usr/sbin/munin09:25:350
121359914611,112cyclictest31147-21apt09:05:000
121359914513,109cyclictest31114-21tr12:20:500
121359914413,106cyclictest32405-21sshd12:30:180
121359914313,109cyclictest23821-21apt-get08:20:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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