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2026-02-03 - 19:55
[ 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 100 highest latencies:
System rack5slot7s.osadl.org (updated Tue Feb 03, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7106224392197,97sleep00-21swapper07:08:310
73189917419,27cyclictest13675-21apt-get07:45:240
73189916332,94cyclictest23003-21sed12:01:020
73189916216,119cyclictest5935-21apt-get10:20:150
73189916214,120cyclictest9158-21sshd10:37:340
73189916042,22cyclictest31843-21latency_hist09:40:040
73189916016,120cyclictest16292-21apt-get08:00:130
73189915924,106cyclictest25090-21diskstats12:15:390
73189915915,118cyclictest12473-21cut07:36:500
73189915821,30cyclictest18952-21diskstats08:20:350
73189915817,99cyclictest24331-21apt-get08:56:190
73189915813,120cyclictest28907-21cat09:20:410
73189915811,25cyclictest15468-21/usr/sbin/munin07:55:360
73189915717,39cyclictest2534-21munin-run10:00:030
73189915619,30cyclictest20745-21ntp_states08:30:490
73189915616,24cyclictest27767-21munin-run09:15:020
73189915610,121cyclictest9843-21sshd10:41:350
73189915518,114cyclictest4343-21df_inode10:10:260
73189915513,37cyclictest24333-21munin-run08:55:050
73189915512,119cyclictest20752-1kworker/u3:412:21:480
73189915415,20cyclictest3882-21mailstats10:05:590
73189915413,118cyclictest18184-21uname08:15:360
73189915411,26cyclictest7838-21find07:10:560
7318991539,103cyclictest27029-21sed12:25:350
73189915340,93cyclictest2756-21/usr/sbin/munin10:00:260
73189915321,26cyclictest7007-21diskstats10:25:400
73189915311,119cyclictest21653-21wc08:35:560
73189915219,105cyclictest16751-21apt-get11:25:150
73189915212,22cyclictest21444-21munin-run11:55:010
73189915211,116cyclictest5747-21munin-run10:20:060
73189915128,104cyclictest9746-21proc_pri07:20:550
73189915120,27cyclictest22196-21users11:56:070
73189915119,30cyclictest11779-21users10:51:060
73189915119,28cyclictest22845-21apt-get08:45:190
73189915118,110cyclictest23849-21apt-get12:10:350
73189915117,25cyclictest29327-21munin-run12:40:010
73189915113,37cyclictest29609-21/usr/sbin/munin09:25:350
73189915113,113cyclictest27978-21diskstats09:15:340
73189915112,25cyclictest8541-21/usr/sbin/munin07:16:170
73189915030,98cyclictest26484-21wc09:05:400
73189915017,19cyclictest20063-21diskstats11:45:340
73189915017,110cyclictest19735-21df08:25:250
73189915016,26cyclictest14324-21/usr/sbin/munin11:10:500
73189915015,113cyclictest7802-21diskstats10:30:350
73189915015,112cyclictest14734-21df_inode07:50:350
73189915013,22cyclictest19041-21munin-run11:40:020
73189915012,37cyclictest18083-21awk11:31:000
73189915010,24cyclictest361-21/usr/sbin/munin09:45:340
73189914916,27cyclictest27944-21diskstats12:30:390
73189914916,21cyclictest17778-21/usr/sbin/munin08:10:030
73189914916,110cyclictest12022-21df_inode10:55:310
73189914914,36cyclictest32599-21munin-run09:45:020
73189914913,22cyclictest19789-21grep11:41:020
73189914835,94cyclictest13184-21grep07:41:010
73189914823,99cyclictest13846-21ntp_states11:05:490
73189914818,106cyclictest10284-21diskstats07:25:300
73189914813,112cyclictest1146-21diskstats09:50:350
73189914810,115cyclictest25483-21/usr/sbin/munin09:00:440
73189914810,112cyclictest16447-21cut11:20:590
73189914718,101cyclictest11662-21munin-run07:35:030
73189914717,23cyclictest23851-21munin-run12:10:050
73189914715,24cyclictest15363-21memory11:15:440
73189914712,39cyclictest13267-21switchtime11:00:580
73189914712,111cyclictest10577-21missed_timers10:45:530
73189914616,105cyclictest22705-21users08:41:040
73189914413,107cyclictest5790-21snmpd09:30:330
73189914312,27cyclictest17888-21sshd08:14:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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