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2026-02-09 - 23:06
[ 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 50 highest latencies:
System rack4slot6s.osadl.org (updated Mon Feb 09, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1655122540,2sleep016550-21grep12:00:210
921122350,2sleep09209-21ls09:25:270
1247721240,4chrt11957-21/usr/sbin/munin07:30:270
2024221150,3chrt20243-21if_eth012:15:160
2000721130,4chrt20004-21ntp_states08:00:230
953721080,3sleep09389-21/usr/sbin/munin07:20:170
1642321030,4sleep016426-21df09:55:120
1913121000,4sleep019134-21ntp_states12:10:240
32012980,3sleep03231-21latency_hist11:10:000
268972960,3sleep026899-21/usr/sbin/munin10:35:180
192632870,4sleep019267-21ntpq10:05:220
184602820,2sleep018458-21df_inode07:55:130
178712820,4sleep017879-21grep10:00:170
243372810,3sleep024394-21ntp_kernel_err10:25:210
73042753,5sleep00-21swapper07:10:280
124142740,2sleep012415-21latency_hist09:40:010
177232725,55sleep017745-21memory12:05:170
290252710,2sleep029026-21cat08:35:240
575627018,31sleep05770-21ntp_offset07:05:200
146612705,54sleep014690-21irqstats07:40:150
116982664,52sleep011106-21/usr/sbin/munin11:40:300
6687996424,14cyclictest5820-21sendmail11:20:010
6687996220,15cyclictest247432chrt12:31:340
668799618,20cyclictest23564-21/usr/sbin/munin08:15:250
6687996111,19cyclictest8374-21ntpq07:15:240
668799609,16cyclictest25614-21memory10:30:180
668799608,18cyclictest7372-21/usr/sbin/munin09:20:140
668799599,14cyclictest20805-21sed10:10:270
668799597,18cyclictest22854-21/usr/sbin/munin10:20:110
6687995934,15cyclictest16227-21/usr/sbin/munin07:45:250
668799589,17cyclictest13891-21fw_packets09:45:150
668799589,16cyclictest27448-21/usr/sbin/munin08:30:180
6687995834,15cyclictest1091-21/usr/sbin/munin11:00:250
6687995834,14cyclictest13514-21/usr/sbin/munin07:35:210
6687995833,15cyclictest3647-21runrttasks09:02:530
6687995811,18cyclictest31507-21apt-get10:53:040
6687995810,17cyclictest21189-21/usr/sbin/munin08:05:180
6687995810,16cyclictest22719-21munin-run10:20:000
161632583,8sleep00-21swapper09:54:230
668799578,20cyclictest8599-21ls11:30:150
668799578,15cyclictest32198-21ntp_states10:55:210
6687995733,15cyclictest29382-21/usr/sbin/munin10:45:140
6687995733,15cyclictest14443-21runrttasks11:51:500
6687995722,14cyclictest4399-21sshd11:14:170
6687995716,12cyclictest0-21swapper11:25:150
6687995711,15cyclictest26394-21/usr/sbin/munin08:25:200
6687995710,18cyclictest25431-21irqstats12:35:160
6687995710,16cyclictest4750-21/usr/sbin/munin09:10:070
668799569,16cyclictest17822-21seq07:51:180
668799568,17cyclictest30047-21/usr/sbin/munin08:40:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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