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2026-02-18 - 18:32
[ 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 highest latencies:
System rack5slot7s.osadl.org (updated Wed Feb 18, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2594224302188,99sleep00-21swapper07:09:540
26509917117,126cyclictest8063-21apt-get11:00:260
26509916417,22cyclictest29892-21apt-get09:55:270
26509916111,27cyclictest19814-21/usr/sbin/munin08:50:540
26509916030,108cyclictest0-21swapper10:41:010
26509916018,102cyclictest15069-21irqstats11:41:080
26509916017,112cyclictest16204-21apt-get08:30:180
26509915820,25cyclictest21820-21apt-get09:05:170
26509915816,119cyclictest7841-21munin-run07:40:020
26509915739,96cyclictest12169-21sshd11:23:080
26509915717,25cyclictest17693-21apt08:40:020
26509915716,25cyclictest18015-21munin-run12:00:020
26509915622,24cyclictest16519-21apt-get11:50:150
26509915613,28cyclictest28798-21sort09:46:000
26509915613,23cyclictest5550-21apt-get07:25:170
26509915519,96cyclictest6603-21irqstats10:50:370
26509915513,25cyclictest21136-21diskstats09:00:300
26509915510,27cyclictest4702-21sshd10:39:390
2650991549,121cyclictest110-21systemd-journal10:23:090
26509915437,22cyclictest31519-21head10:01:080
26509915422,28cyclictest2540-21diskstats10:25:350
26509915415,23cyclictest3502-21munin-node07:15:080
26509915336,96cyclictest527-21wc10:10:590
26509915318,24cyclictest15727-21apt-get11:45:140
26509915314,24cyclictest26517-21munin-run09:35:020
26509915313,101cyclictest982-21uname10:15:410
26509915312,24cyclictest12228-21sort08:05:450
26509915310,120cyclictest31957-21grep10:05:480
26509915287,40cyclictest11171-21apt-get08:00:170
26509915218,21cyclictest11374-21munin-run11:20:030
26509915217,24cyclictest7924-21apt11:00:020
26509915215,114cyclictest24429-21apt-get12:40:010
26509915212,24cyclictest110-21systemd-journal12:10:010
26509915210,119cyclictest13772-21apt11:35:010
26509915116,30cyclictest14576-21munin-run11:40:020
26509915116,112cyclictest21458-21df_inode12:20:280
26509915116,109cyclictest7963-21apt-get07:40:170
26509915112,27cyclictest14802-21wc08:21:150
26509915110,117cyclictest4632-21munin-plugin-st07:20:010
26509915027,19cyclictest0-21swapper07:20:320
26509915016,24cyclictest12758-21apt-get08:10:170
26509915016,22cyclictest10560-21apt11:15:010
26509915014,108cyclictest23181-21memory12:30:420
26509915013,112cyclictest14261-21munin-run08:20:030
26509915012,39cyclictest9469-21latency_hist07:50:040
26509914936,92cyclictest5811-21irqstats10:45:400
26509914929,21cyclictest0-21swapper09:17:010
26509914925,103cyclictest0-21swapper08:25:490
26509914918,105cyclictest19832-21df_inode12:10:280
26509914916,26cyclictest26723-21df_inode09:35:270
26509914915,24cyclictest28132-21munin-run09:45:010
26509914912,26cyclictest20804-21grep12:15:470
26509914912,24cyclictest22902-21cat12:30:040
26509914829,22cyclictest12906-21sed11:26:030
26509914816,24cyclictest24343-21df_inode09:20:280
26509914810,39cyclictest18982-21grep08:45:550
26509914720,26cyclictest10347-21apt-get07:55:200
26509914718,25cyclictest23303-21apt09:15:010
26509914717,25cyclictest3467-21memory10:30:430
26509914711,23cyclictest9676-21/usr/sbin/munin11:06:090
26509914618,26cyclictest6457-21diskstats07:30:310
26509914614,21cyclictest25139-21df_inode09:25:290
26509914614,113cyclictest18377-21wc08:40:580
26509914614,108cyclictest3598-21munin-node12:00:110
26509914612,104cyclictest29204-21kernelversion09:50:400
26509914516,38cyclictest20315-21diskstats08:55:310
26509914417,103cyclictest9726-21irqstats07:50:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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