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2026-02-16 - 20:44
[ 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 100 highest latencies:
System rack4slot6s.osadl.org (updated Mon Feb 16, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
541322500,4sleep05412-21wc11:10:170
900722490,3sleep09006-21sort11:25:020
1879022480,3sleep018788-21ls09:55:270
2417621170,4chrt24177-21/usr/sbin/munin08:10:280
1727421160,2sleep017273-21sendmail_mailtr11:55:250
1873321080,4sleep018143-21/usr/sbin/munin12:00:280
1601921080,3sleep016017-21ntp_states09:45:210
66421040,3sleep0731-21/usr/sbin/munin08:45:280
2361021030,4sleep023633-21latency10:15:180
2891721000,4sleep028915-21ntp_states10:35:200
179228712,63sleep01790-21ntp_states08:50:210
262372860,4sleep026312-21mailstats12:30:250
263392805,63sleep026383-21irqstats08:20:150
108032770,4sleep010869-21awk11:30:260
13652760,2sleep01368-21cpu10:55:110
799727217,31sleep08025-21modprobe07:10:000
119122664,51sleep011918-21df_inode09:30:130
207382653,52sleep0288-21snmpd07:58:380
8050996326,27cyclictest27353-21runrttasks10:30:110
805099609,18cyclictest5063-21seq11:09:510
805099609,16cyclictest19434-21/usr/sbin/munin12:05:150
8050996032,21cyclictest32264-21runrttasks08:42:370
805099599,16cyclictest10574-21/usr/sbin/munin09:25:140
8050995910,17cyclictest29945-21/usr/sbin/munin10:40:290
805099589,18cyclictest21068-21/usr/sbin/munin08:00:210
805099589,16cyclictest4100-21/usr/sbin/munin09:00:140
805099589,16cyclictest27684-21grep12:35:280
805099589,15cyclictest9432-21/usr/sbin/munin07:15:260
805099589,15cyclictest30498-21/usr/sbin/munin08:35:250
805099588,22cyclictest14439-21runrttasks09:40:050
805099588,16cyclictest20900-21/usr/sbin/munin10:05:150
805099587,23cyclictest9292-21/usr/sbin/munin09:20:140
805099587,17cyclictest24923-21/usr/sbin/munin08:15:270
805099587,17cyclictest22950-21seq10:11:500
8050995834,16cyclictest11316-21/usr/sbin/munin07:20:270
8050995834,15cyclictest9299-21/usr/sbin/munin11:25:180
8050995833,15cyclictest29339-21/usr/sbin/munin08:30:270
8050995832,16cyclictest2885-21/usr/sbin/munin08:55:150
8050995824,12cyclictest13146-21latency11:40:180
805099579,15cyclictest26066-21/usr/sbin/munin10:25:250
805099578,18cyclictest7701-21sendmail-msp11:20:010
805099578,16cyclictest23320-21/usr/sbin/munin12:20:100
805099578,16cyclictest20716-21/usr/sbin/munin12:10:240
805099578,14cyclictest19665-21df10:00:140
805099577,17cyclictest7968-21/usr/sbin/munin09:15:250
805099577,15cyclictest31228-21/usr/sbin/munin10:45:200
8050995733,15cyclictest6870-21/usr/sbin/munin09:10:160
8050995733,15cyclictest15640-21/usr/sbin/munin11:50:140
8050995721,13cyclictest11676-21/usr/sbin/munin11:35:180
8050995711,15cyclictest8240-21/usr/sbin/munin07:10:160
8050995710,17cyclictest24892-21ntp_states12:25:230
8050995710,16cyclictest27525-21/usr/sbin/munin08:25:270
8050995710,13cyclictest5442-21df09:05:120
805099569,17cyclictest317-21ntpq10:50:200
805099568,19cyclictest14600-21/usr/sbin/munin07:35:140
805099568,18cyclictest13143-21/usr/sbin/munin09:35:280
805099568,15cyclictest22358-21/usr/sbin/munin08:05:150
805099568,15cyclictest17192-21/usr/sbin/munin07:45:210
805099568,15cyclictest14266-21/usr/sbin/munin11:45:240
805099568,14cyclictest17310-21ntp_states09:50:230
8050995634,14cyclictest13443-21/usr/sbin/munin07:30:130
805099558,16cyclictest18476-21/usr/sbin/munin07:50:150
8050995530,16cyclictest25682-21runrttasks10:22:550
8050995516,15cyclictest16446-21timerandwakeup07:40:280
8050995511,15cyclictest22057-21df_inode12:15:120
805099549,17cyclictest12082-21df07:25:110
805099546,15cyclictest2698-21df11:00:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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