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2026-02-25 - 19:42
[ 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 25, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18088224262197,89sleep00-21swapper07:07:040
184659917913,142cyclictest3246-21apt-get12:15:220
184659916317,22cyclictest19266-21munin-node07:15:140
18465991609,128cyclictest32542-21/usr/sbin/munin08:36:010
184659915817,26cyclictest10423-21apt09:40:010
184659915814,22cyclictest19118-21cat07:11:000
184659915724,31cyclictest27583-21apt-get08:05:330
184659915716,115cyclictest7219-21munin-run09:20:020
184659915715,99cyclictest12135-21apt-get09:50:170
184659915712,28cyclictest15268-21grep10:10:060
184659915712,120cyclictest21522-21expr07:26:420
184659915643,23cyclictest25547-21mailstats07:50:560
184659915616,116cyclictest3094-21munin-run12:15:040
184659915616,116cyclictest16471-21diskstats10:15:380
184659915615,26cyclictest30162-21/usr/sbin/munin08:20:410
184659915521,31cyclictest26032-21apt-get11:15:200
184659915517,99cyclictest4292-21irqstats09:00:400
184659915517,114cyclictest15234-21apt-get10:11:370
184659915514,25cyclictest3289-21/usr/sbin/munin08:56:050
184659915511,119cyclictest27389-21sshd08:01:400
184659915433,22cyclictest29975-21grep11:40:050
184659915421,106cyclictest1704-21apt-get08:45:170
184659915412,119cyclictest23397-21munin-run07:40:030
184659915410,26cyclictest8019-21cron09:25:010
184659915410,118cyclictest3091-21ls08:51:000
184659915338,96cyclictest28328-21sshd11:26:400
184659915322,28cyclictest19623-21apt-get10:35:200
184659915318,93cyclictest30045-21munin-run08:20:030
184659915316,114cyclictest0-21swapper10:50:450
184659915219,106cyclictest8132-21apt-get09:25:220
184659915216,26cyclictest32405-21users08:31:040
184659915216,114cyclictest26601-21munin-run08:00:020
184659915214,114cyclictest28820-21ntp_kernel_err08:10:530
184659915213,23cyclictest23530-21munin-run11:00:010
184659915212,23cyclictest9165-21memory09:30:410
184659915211,24cyclictest23722-21cat07:40:420
184659915122,102cyclictest5822-21diskstats09:10:340
184659915117,21cyclictest17236-21apt-get10:20:120
184659915117,110cyclictest7339-21munin-run12:40:050
184659915039,90cyclictest1255-21/usr/sbin/munin08:40:520
184659915019,26cyclictest32448-21apt-get11:55:160
184659915017,24cyclictest13630-21munin-run10:00:030
184659915016,23cyclictest20193-21df_inode07:20:370
184659915015,37cyclictest27659-1kworker/u3:312:20:180
184659915012,27cyclictest28750-21tr11:30:480
18465991498,116cyclictest5143-21expr12:25:220
184659914920,27cyclictest25348-21diskstats11:10:320
184659914920,102cyclictest23650-21apt-get11:00:230
184659914917,27cyclictest13856-21df_inode10:00:280
184659914912,22cyclictest24479-21irqstats07:45:400
184659914821,28cyclictest21350-21diskstats10:45:340
184659914817,107cyclictest30968-21diskstats11:45:320
184659914810,25cyclictest6133-21ntpq12:30:460
184659914810,114cyclictest32079-21fgrep11:50:550
184659914734,95cyclictest19510-21cron10:35:000
184659914734,92cyclictest31648-21apt08:30:010
184659914729,22cyclictest1036-21latency12:00:400
184659914718,26cyclictest1717-21diskstats12:05:320
184659914717,24cyclictest30163-21df11:40:240
184659914716,23cyclictest11437-21df09:45:270
184659914711,23cyclictest20443-21/usr/sbin/munin10:40:370
184659914623,96cyclictest10656-21diskstats09:40:340
184659914614,28cyclictest22513-21sed07:31:090
184659914614,106cyclictest4910-21/usr/sbin/munin09:05:470
184659914612,26cyclictest18395-21wc10:25:540
184659914610,24cyclictest25032-21cat11:06:010
184659914610,23cyclictest27298-21awk11:20:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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