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2026-02-15 - 08:20
[ 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 #4, slot #6

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 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack4slot6s.osadl.org (updated Sun Feb 15, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
599522160,4sleep05993-21grep00:35:290
39221190,2sleep0391-21if_eth000:15:160
431621180,4chrt4314-21irqstats00:30:170
2814821170,4chrt28117-21processes21:50:260
2433221170,4chrt24326-21vmstat23:40:300
1382721170,4chrt13824-21ntp_states20:55:230
180421160,3chrt1803-21munin-plugin-st20:10:000
1897121150,4chrt18970-21find23:20:250
881621120,4chrt8817-21awk22:40:270
741721100,3chrt7416-21sed22:35:280
713921030,4sleep07143-21df20:30:110
2640021020,3chrt26399-21sed21:45:020
588321010,3sleep05921-21/usr/sbin/munin20:25:160
270882950,2sleep027087-21awk21:45:300
36772850,3sleep03676-21awk22:20:290
308042850,4sleep030822-21awk19:55:270
1765027821,31sleep017654-21df_inode19:05:120
176902757,57sleep017714-21grep21:10:200
201452715,56sleep020149-21ntp_states23:25:230
18791996629,27cyclictest32040-21/usr/sbin/munin22:05:250
310672643,8sleep00-21swapper00:07:520
1879199629,20cyclictest29047-21/usr/sbin/munin21:55:160
1879199629,15cyclictest12251-21/usr/sbin/munin20:50:320
18791996230,19cyclictest0-21swapper20:00:110
18791996221,14cyclictest21197-21sshd23:30:130
259452610,2sleep025946-21/usr/sbin/munin19:35:370
1879199609,16cyclictest15961-21/usr/sbin/munin23:10:190
1879199607,17cyclictest27933-21/usr/sbin/munin19:45:140
18791996034,16cyclictest29243-21/usr/sbin/munin00:00:250
18791996010,16cyclictest13391-21/usr/sbin/munin23:00:190
1879199599,16cyclictest1921-21/usr/sbin/munin20:10:130
1879199589,15cyclictest459-21/usr/sbin/munin22:10:300
1879199589,15cyclictest29294-21/usr/sbin/munin19:50:130
1879199588,15cyclictest4529-21/usr/sbin/munin20:20:220
1879199587,20cyclictest28748-21sendmail00:00:000
1879199587,16cyclictest18712-21/usr/sbin/munin21:15:160
18791995834,14cyclictest10167-21/usr/sbin/munin20:40:280
18791995833,16cyclictest4607-21/usr/sbin/munin22:25:210
18791995816,13cyclictest25009-21/usr/sbin/munin23:45:180
1879199579,35cyclictest31747-21ntp_states00:10:220
1879199579,17cyclictest14680-21/usr/sbin/munin23:05:210
1879199579,16cyclictest17433-21/usr/sbin/munin23:15:180
1879199577,18cyclictest22419-21/usr/sbin/munin23:35:240
18791995733,15cyclictest20136-21/usr/sbin/munin21:20:150
18791995732,15cyclictest23080-21ntp_states19:25:250
18791995732,15cyclictest14916-21/usr/sbin/munin21:00:150
18791995730,17cyclictest24204-21/usr/sbin/munin19:30:160
18791995728,16cyclictest26694-21/usr/sbin/munin23:50:260
18791995719,13cyclictest6885-21wc22:35:020
18791995710,17cyclictest3269-21df_inode20:15:140
1879199569,15cyclictest30355-21/usr/sbin/munin22:00:170
1879199569,15cyclictest24046-21ls21:35:180
1879199569,14cyclictest1604-21/usr/sbin/munin00:20:270
1879199567,15cyclictest1796-21cpu22:15:110
18791995632,16cyclictest22010-21/usr/sbin/munin19:20:270
1879199559,16cyclictest8354-21latency_hist20:35:010
1879199559,16cyclictest288-21snmpd21:25:240
1879199559,14cyclictest10969-21/usr/sbin/munin20:45:160
1879199558,19cyclictest2886-21/usr/sbin/munin00:25:120
1879199557,16cyclictest20465-21ntp_states19:15:230
1879199557,16cyclictest12125-21egrep22:55:130
18791995532,14cyclictest22891-21runrttasks21:30:200
18791995516,14cyclictest10793-21/usr/sbin/munin22:50:240
18791995510,18cyclictest27802-21cron19:45:000
1879199547,14cyclictest19197-21ntp_states19:10:280
18791995432,15cyclictest16328-21/usr/sbin/munin21:05:180
18791995430,14cyclictest9655-21/usr/sbin/munin22:45:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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