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2026-01-17 - 07:29
[ 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 Sat Jan 17, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
464821430,2sleep04651-21sed19:55:260
2506521230,4chrt25063-21df_inode19:10:120
2747121200,3sleep027472-21ls23:30:170
1468121170,2sleep014680-21pluginstate22:40:230
711621150,4chrt7118-21proc_pri20:05:310
1054021090,4sleep010476-21/usr/sbin/munin22:25:140
1054821070,3chrt10550-21latency_hist20:20:010
571121020,4sleep05739-21/usr/sbin/munin20:00:180
122432970,3sleep012282-21processes20:25:240
107882970,3sleep010645-21/usr/sbin/munin20:20:170
289532896,12sleep028892-21/usr/sbin/munin19:25:140
225012870,4sleep022572-21switchtime23:10:260
40372850,3sleep04094-21ntp_kernel_err00:05:210
2405326417,27sleep024138-21mailstats19:05:230
24908996110,19cyclictest13091-21df22:35:120
2490899609,14cyclictest27607-21/usr/sbin/munin19:20:280
2490899608,18cyclictest22255-21/usr/sbin/munin21:05:260
24908996035,16cyclictest24920-21/usr/sbin/munin21:15:140
24908996035,16cyclictest1337-21/usr/sbin/munin23:55:140
24908996032,17cyclictest1499-21/usr/sbin/munin21:50:130
24908996028,22cyclictest19794-21/usr/sbin/munin20:55:160
24908996023,14cyclictest27131-21runrttasks19:17:220
2490899599,18cyclictest11583-21/usr/sbin/munin00:35:290
2490899597,18cyclictest6588-21/usr/sbin/munin22:10:240
24908995933,16cyclictest18849-21/usr/sbin/munin20:50:250
24908995933,15cyclictest14973-21/usr/sbin/munin20:35:260
2490899589,18cyclictest9012-21/usr/sbin/munin00:25:240
2490899589,15cyclictest23556-21memory23:15:160
2490899588,15cyclictest30006-21/usr/sbin/munin21:35:100
2490899587,19cyclictest17088-21/usr/sbin/munin20:45:260
2490899587,18cyclictest16916-21/usr/sbin/munin22:50:260
24908995835,15cyclictest9437-21/usr/sbin/munin22:20:190
24908995835,15cyclictest21292-21/usr/sbin/munin21:00:220
24908995833,16cyclictest28808-21/usr/sbin/munin21:30:140
24908995833,14cyclictest19675-21/usr/sbin/munin23:00:170
24908995832,16cyclictest9028-21runrttasks22:19:590
24908995832,14cyclictest5405-21ntp_states00:10:170
2490899578,18cyclictest2705-21/usr/sbin/munin21:55:090
2490899577,19cyclictest13212-21/usr/sbin/munin20:30:110
2490899577,18cyclictest31314-21/usr/sbin/munin21:40:160
2490899577,16cyclictest31458-21/usr/sbin/munin19:35:150
24908995733,16cyclictest12156-21/usr/sbin/munin22:30:250
24908995732,16cyclictest27545-21/usr/sbin/munin21:25:150
24908995732,15cyclictest30328-21/usr/sbin/munin23:40:260
24908995731,17cyclictest32496-21/usr/sbin/munin23:50:150
24908995730,15cyclictest21127-21/usr/sbin/munin23:05:210
24908995710,17cyclictest6465-21sh22:10:000
2490899568,16cyclictest15633-21/usr/sbin/munin22:45:110
2490899568,14cyclictest4657-21seq22:00:470
24908995632,16cyclictest680-21runrttasks19:40:230
24908995632,14cyclictest3102-21/usr/sbin/munin00:00:260
24908995630,17cyclictest18475-21/usr/sbin/munin22:55:210
2490899559,17cyclictest23872-21awk21:10:220
2490899559,15cyclictest10294-21/usr/sbin/munin00:30:170
2490899559,14cyclictest16091-21ntp_states20:40:230
2490899557,14cyclictest24688-21/usr/sbin/munin23:20:160
24908995531,15cyclictest26296-21/usr/sbin/munin21:20:140
24908995511,13cyclictest30335-21/usr/sbin/munin19:30:150
2490899549,14cyclictest31137-21/usr/sbin/munin23:45:140
2490899548,15cyclictest8042-21/usr/sbin/munin20:10:170
2490899548,15cyclictest32602-21wc21:45:080
2490899546,15cyclictest25978-21/usr/sbin/munin23:25:140
24908995430,15cyclictest8529-21runrttasks00:22:040
24908995430,15cyclictest28986-21runrttasks23:35:260
24908995429,17cyclictest3019-21runrttasks19:50:160
2490899529,16cyclictest276-21runrttasks19:46:100
24908995229,15cyclictest6599-21runrttasks00:15:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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