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2026-02-09 - 06:23
[ 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 #c, slot #3

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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackcslot3s.osadl.org (updated Mon Feb 09, 2026 00:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60202318304,5sleep00-21swapper/019:09:160
60282317310,4sleep10-21swapper/119:09:211
58102316308,5sleep20-21swapper/219:06:332
42392316303,4sleep30-21swapper/319:05:103
6344993150,314cyclictest23731-21kworker/u16:2+efi_rts_wq20:15:143
6342993140,313cyclictest15595-21kworker/u16:2+efi_rts_wq00:20:121
6341993130,312cyclictest19449-21kworker/u16:3+efi_rts_wq19:35:120
6343993080,307cyclictest19449-21kworker/u16:3+efi_rts_wq19:20:132
6342993080,307cyclictest15595-21kworker/u16:2+efi_rts_wq23:35:011
6343993070,306cyclictest23731-21kworker/u16:2+efi_rts_wq20:19:252
6341993060,305cyclictest31878-21kworker/u16:1+efi_rts_wq22:25:140
6344993040,302cyclictest2576-21kworker/u16:0+efi_rts_wq23:05:143
6344993030,302cyclictest19449-21kworker/u16:3+efi_rts_wq19:45:143
6344993030,302cyclictest17963-21kworker/u16:1+efi_rts_wq23:50:133
6343993010,300cyclictest31878-21kworker/u16:1+efi_rts_wq22:00:142
6343993010,300cyclictest23731-21kworker/u16:2+efi_rts_wq21:20:132
6343993000,298cyclictest21369-21kworker/u16:3+efi_rts_wq23:20:152
6342993000,299cyclictest15595-21kworker/u16:2+efi_rts_wq23:51:001
6342992990,298cyclictest31878-21kworker/u16:1+efi_rts_wq20:55:121
6341992990,298cyclictest17963-21kworker/u16:1+efi_rts_wq00:25:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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