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2026-01-31 - 17:57
[ 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 Jan 31, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13475223872159,174sleep00-21swapper07:08:580
136359916415,25cyclictest15559-21munin-plugin-st10:35:010
136359916212,51cyclictest25083-21grep11:30:530
136359916019,26cyclictest31148-21diskstats08:51:090
136359916013,122cyclictest11238-21sed10:06:020
136359915919,112cyclictest28198-21apt-get08:35:200
136359915917,116cyclictest20258-21ntp_states07:46:350
136359915814,28cyclictest29961-21apt-config08:45:210
136359915725,25cyclictest29748-21cat08:45:060
136359915719,24cyclictest23861-21apt-get08:11:150
136359915717,27cyclictest27024-21apt-get11:46:270
136359915716,99cyclictest2835-21grep12:31:270
136359915713,40cyclictest29765-21/usr/sbin/munin12:01:070
136359915713,119cyclictest29569-21sed11:56:010
136359915711,125cyclictest14860-21/usr/sbin/munin07:16:070
136359915642,92cyclictest1411-21/usr/sbin/munin09:05:550
136359915617,21cyclictest30458-21apt-get12:07:000
136359915614,118cyclictest25089-21df_inode08:15:350
136359915610,120cyclictest12171-21wc10:15:040
136359915520,107cyclictest18942-21apt-get07:40:150
136359915520,107cyclictest16491-21apt-get07:25:210
136359915517,23cyclictest31844-21apt-get08:55:270
136359915515,116cyclictest15770-21cstates07:20:250
13635991548,123cyclictest22251-21apt08:00:020
136359915415,95cyclictest22606-21latency08:00:410
136359915414,24cyclictest14424-21munin-run07:15:060
136359915414,115cyclictest21096-21head11:06:010
136359915410,25cyclictest18803-21cron07:40:010
136359915324,27cyclictest21381-21diskstats11:10:300
136359915318,23cyclictest7278-21users09:41:030
136359915317,24cyclictest24619-21munin-run11:30:010
136359915317,112cyclictest17601-21ntp_states07:30:520
136359915311,117cyclictest26581-21grep11:40:460
136359915310,27cyclictest3823-21/usr/sbin/munin09:20:540
136359915217,27cyclictest26610-21apt-get08:25:170
136359915217,108cyclictest1554-21apt-get12:25:220
136359915215,24cyclictest6114-21ntp_states09:35:490
136359915213,116cyclictest22937-21apt-get11:20:240
136359915212,116cyclictest4077-21/usr/sbin/munin12:40:060
136359915210,117cyclictest26436-21sed08:21:010
136359915117,22cyclictest25612-21df11:35:270
136359915113,23cyclictest20868-21df_inode07:50:370
136359915112,114cyclictest16554-21cstates10:40:220
136359915021,101cyclictest8214-21apt-get09:50:220
136359915017,107cyclictest18863-21apt-get10:55:200
136359915015,37cyclictest14532-21/usr/sbin/munin10:30:050
136359915015,111cyclictest20340-21users11:01:040
136359915012,23cyclictest253-21in:imuxsock09:26:180
136359915012,115cyclictest1795-21apt-get09:10:180
136359914929,18cyclictest0-21swapper09:00:140
136359914919,28cyclictest32283-21munin-run12:15:020
136359914916,25cyclictest15899-21memory10:35:500
136359914911,112cyclictest18734-21vmstat10:51:070
13635991489,114cyclictest23817-21sed08:06:030
136359914833,21cyclictest9758-21sort10:00:040
136359914832,90cyclictest2713-21/usr/sbin/munin09:15:360
136359914814,31cyclictest10264-21systemctl10:00:570
136359914810,20cyclictest32744-21wc12:15:530
136359914721,27cyclictest759-21apt-get12:20:200
136359914714,24cyclictest27507-21df_inode08:30:270
136359914630,19cyclictest0-21swapper09:30:530
136359914617,26cyclictest28153-21/usr/sbin/munin11:51:140
136359914520,23cyclictest13211-21irqstats10:20:380
136359914516,21cyclictest17275-21apt10:45:130
136359914515,107cyclictest7591-21irqstats09:45:400
136359914514,38cyclictest12309-21df10:15:270
136359914444,80cyclictest22113-21cpu11:15:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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