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2026-01-30 - 20:01
[ 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 Fri Jan 30, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
365121920,3sleep03649-21grep11:00:190
366521410,2sleep03667-21idleruntime08:55:150
2555121260,2sleep025552-21modprobe08:15:010
87919912435,79cyclictest31320-21/usr/sbin/munin10:40:260
2727221220,4chrt27267-21ntp_states08:20:210
87919912028,15cyclictest19279-21runrttasks09:55:180
87919911830,15cyclictest9679-21runrttasks09:18:010
87919911829,15cyclictest10915-21runrttasks07:16:380
87919911828,15cyclictest13835-21/usr/sbin/munin11:40:120
87919911731,15cyclictest2413-21runrttasks10:55:220
87919911730,14cyclictest19859-21runrttasks07:50:450
87919911729,15cyclictest25681-21runrttasks12:25:210
87919911729,14cyclictest7284-21runrttasks11:15:060
87919911728,14cyclictest27965-21sshd10:29:410
8791991168,11cyclictest7610-21irqstats09:10:130
87919911627,16cyclictest5079-21/usr/sbin/munin09:00:180
2586121160,4sleep025865-21ntp_states10:20:210
87919911529,14cyclictest17502-21runrttasks09:48:370
2080421150,2sleep020805-21/usr/sbin/munin10:00:240
87919911424,13cyclictest17802-21/usr/sbin/munin09:50:270
87919911420,15cyclictest15668-21/usr/sbin/munin07:35:250
87919911330,13cyclictest21676-21readlink08:00:000
87919911327,14cyclictest14572-21runrttasks07:30:280
87919911325,16cyclictest9956-21runrttasks11:25:120
87919911325,13cyclictest22685-21sshd08:02:410
87919911324,16cyclictest16748-21/usr/sbin/munin07:40:140
87919911322,16cyclictest13992-21runrttasks09:35:130
87919911229,14cyclictest24103-21runrttasks08:08:480
87919911222,14cyclictest16587-21/usr/sbin/munin11:50:190
87919911219,16cyclictest22747-21latency_hist12:15:020
8791991119,29cyclictest12648-21/usr/sbin/munin09:30:150
87919911127,13cyclictest16272-21runrttasks09:44:020
87919911126,14cyclictest10970-21runrttasks09:22:510
87919911124,15cyclictest23761-21runrttasks12:18:280
87919911124,15cyclictest21070-21runrttasks12:07:280
87919911113,21cyclictest31467-21users08:35:280
87919911113,21cyclictest17810-21memory11:55:170
87919911112,18cyclictest11784-21ntp_states07:20:230
87919911111,17cyclictest9483-21users07:10:300
8791991108,14cyclictest276-21runrttasks10:54:030
87919911028,13cyclictest12546-21latency_hist09:30:000
87919911026,15cyclictest11991-21runrttasks11:32:100
87919911025,14cyclictest645-21runrttasks08:43:070
87919911025,13cyclictest2300-21cpu08:50:090
87919911011,18cyclictest13369-21users07:25:310
87919911010,18cyclictest15926-21sshd11:47:400
8791991099,28cyclictest28141-21/usr/sbin/munin10:30:100
87919910926,12cyclictest276-21runrttasks12:38:470
87919910924,14cyclictest23819-21runrttasks10:12:290
87919910922,14cyclictest30584-21sshd08:33:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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