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2026-02-18 - 17:04
[ 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 highest latencies:
System rack4slot6s.osadl.org (updated Wed Feb 18, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1173122550,2sleep011730-21grep07:30:210
711622050,3sleep07117-21latency_hist11:25:000
1573121960,3sleep015727-21find07:45:260
3242021520,3sleep032419-21cat10:55:250
1894121300,3sleep018942-21latency_hist10:05:010
2310121270,4chrt22911-21/usr/sbin/munin10:20:170
61799912610,17cyclictest24302-21ntp_states12:30:220
2540421240,3chrt25403-21sendmail-mta08:24:000
6179991228,15cyclictest29413-21df10:45:140
6179991208,15cyclictest17198-21users07:50:300
6179991207,16cyclictest2626-21/usr/sbin/munin09:00:260
61799912030,80cyclictest27498-21runrttasks10:36:350
6179991198,13cyclictest13019-21ntp_states07:35:210
6179991189,17cyclictest5041-21awk11:15:260
61799911728,78cyclictest29236-21idleruntime-cro10:45:010
61799911710,14cyclictest11270-21/usr/sbin/munin09:35:300
6179991169,18cyclictest25763-21ntp_states10:30:220
6179991168,14cyclictest25580-21ntp_states12:35:220
6179991159,15cyclictest30717-21/usr/sbin/munin10:50:140
6179991157,15cyclictest10801-21sshd11:38:460
6179991157,13cyclictest32381-21ntp_states08:50:220
61799911510,13cyclictest16337-21df_inode12:00:140
6179991148,16cyclictest20191-21sh12:15:140
6179991148,14cyclictest25717-21df_inode08:25:140
6179991148,14cyclictest21995-21/usr/sbin/munin10:15:260
6179991147,16cyclictest280252chrt08:34:290
61799911418,82cyclictest3285-21date11:10:020
61799911412,18cyclictest6421-21irqstats07:10:160
6179991139,14cyclictest10273-21ntp_states09:30:220
6179991139,11cyclictest7882-21mailstats09:20:260
6179991138,13cyclictest12872-21ntpq09:40:220
6179991137,16cyclictest16489-21df_inode09:55:140
6179991137,13cyclictest22875-21irqstats12:25:180
61799911330,71cyclictest13737-21/usr/sbin/munin11:50:110
61799911310,15cyclictest9773-21latency_hist11:35:020
6179991128,19cyclictest19199-21cat10:05:180
6179991128,15cyclictest7366-21cat09:20:010
6179991128,14cyclictest9174-21ntp_states07:20:220
6179991127,15cyclictest18949-21if_err_eth012:10:140
6179991127,14cyclictest17863-21date07:55:020
6179991127,13cyclictest14331-21/usr/sbin/munin07:40:220
6179991127,12cyclictest7822-21ntpq07:15:220
61799911211,16cyclictest3629-21ntp_states11:10:210
6179991118,18cyclictest11113-21/usr/sbin/munin11:40:230
6179991118,16cyclictest28814-21users08:35:300
6179991118,16cyclictest276-21runrttasks08:40:100
6179991118,14cyclictest21119-21seq08:05:420
6179991118,13cyclictest8893-21memory09:25:170
6179991118,13cyclictest22730-21seq08:13:260
6179991117,18cyclictest24472-21/usr/sbin/munin10:25:210
6179991117,16cyclictest5595-21chrt09:11:580
6179991117,13cyclictest108512sleep007:26:090
6179991108,13cyclictest21635-21memory12:20:180
6179991107,16cyclictest20439-21latency_hist08:05:020
6179991107,14cyclictest764-21/usr/sbin/munin11:00:260
6179991106,15cyclictest288-21snmpd11:59:180
61799911011,19cyclictest12541-21irqstats11:45:170
6179991098,13cyclictest17753-21memory12:05:180
6179991096,14cyclictest30946-21if_eth008:45:180
61799910911,18cyclictest1103-21memory08:55:170
61799910910,16cyclictest15197-21df09:50:120
6179991088,13cyclictest23033-21modprobe08:15:020
61799910829,68cyclictest4706-21latency_hist09:10:010
61799910811,18cyclictest7430-21memory11:25:190
6179991079,18cyclictest13921-21df_inode09:45:130
6179991077,14cyclictest20471-21latency10:10:170
6179991036,12cyclictest6214-21latency_hist07:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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