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2026-02-26 - 23:26
[ 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 Thu Feb 26, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2071122670,3sleep020713-21timerwakeupswit10:05:280
1670422540,3sleep016708-21ntp_kernel_pll_07:45:190
1144022390,3sleep011442-21latency07:25:180
1745721220,4chrt17455-21df12:00:130
2979521170,3chrt29796-21mailstats08:35:260
1246921170,3chrt12467-21forks09:35:130
1805021050,4sleep018119-21/usr/sbin/munin09:55:280
2643221030,3sleep026483-21/usr/sbin/munin12:35:130
2596121000,4sleep026024-21/usr/sbin/munin08:20:260
271922950,3sleep027193-21users10:30:270
62952857,63sleep06376-21mailstats09:10:270
292642850,3sleep029282-21/usr/sbin/munin10:40:140
150542850,3sleep015080-21ls09:45:150
135922850,4sleep013626-21if_err_eth011:45:150
89412847,62sleep08988-21mailstats09:20:260
83402845,9sleep0288-21snmpd07:13:170
254652816,10sleep025468-21irqstats10:25:160
642127720,34sleep06487-21/usr/sbin/munin07:05:210
729799608,17cyclictest23861-21/usr/sbin/munin12:25:150
7297996035,16cyclictest28288-21/usr/sbin/munin10:35:260
7297996033,18cyclictest10143-21runrttasks07:20:140
7297996032,18cyclictest0-21swapper09:00:110
729799598,16cyclictest16151-21df_inode11:55:130
729799597,19cyclictest580-21/usr/sbin/munin10:55:150
7297995935,15cyclictest20461-21/usr/sbin/munin08:00:150
729799589,15cyclictest21435-21/usr/sbin/munin10:10:140
729799588,18cyclictest5760-21/usr/sbin/munin11:15:220
729799588,18cyclictest18691-21/usr/sbin/munin12:05:220
729799588,17cyclictest21611-21/usr/sbin/munin08:05:200
729799588,16cyclictest26966-21memory08:25:180
729799587,17cyclictest1899-21/usr/sbin/munin11:00:120
7297995832,17cyclictest5178-21/usr/sbin/munin09:05:270
7297995832,15cyclictest21808-21/usr/sbin/munin12:15:280
729799579,16cyclictest4962-21ls11:10:270
729799579,15cyclictest3190-21/usr/sbin/munin11:05:150
729799578,17cyclictest31530-21seq10:49:100
729799578,15cyclictest10932-21/usr/sbin/munin11:35:190
7297995734,15cyclictest24505-21/usr/sbin/munin08:15:240
7297995733,16cyclictest2400-21/usr/sbin/munin08:55:250
7297995732,15cyclictest24287-21/usr/sbin/munin10:20:190
7297995732,15cyclictest19577-21/usr/sbin/munin07:55:290
7297995732,15cyclictest19342-21/usr/sbin/munin10:00:260
7297995711,18cyclictest20247-21awk12:10:190
7297995710,14cyclictest9863-21munin-run07:20:010
729799569,20cyclictest7128-21runrttasks11:20:110
729799568,17cyclictest7217-21/usr/sbin/munin09:15:240
7297995617,14cyclictest9394-21runrttasks11:29:000
7297995610,19cyclictest32121-21cut08:45:150
7297995610,18cyclictest28060-21/usr/sbin/munin08:30:120
7297995610,15cyclictest15102-21ntp_states11:50:230
7297995610,14cyclictest31860-21/usr/sbin/munin10:50:140
7297995610,14cyclictest22910-21memory10:15:190
7297995610,12cyclictest12251-21seq09:34:550
729799559,15cyclictest226382chrt12:20:120
729799558,15cyclictest15085-21latency_hist07:40:020
729799558,14cyclictest105582chrt09:26:300
729799558,13cyclictest12865-21ntp_states07:30:230
7297995531,16cyclictest1944-21latency_hist08:55:010
7297995531,15cyclictest10732-21runrttasks11:34:270
7297995510,18cyclictest16714-21awk09:50:260
729799549,13cyclictest23086-21memory08:10:190
729799548,15cyclictest18149-21awk07:50:280
7297995432,14cyclictest14538-21runrttasks09:42:220
7297995429,15cyclictest15430-21/usr/sbin/munin07:40:200
7297995411,15cyclictest25443-21ntpq12:30:230
729799537,19cyclictest30780-21if_eth008:40:150
729799537,17cyclictest12239-21/usr/sbin/munin11:40:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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