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2026-02-26 - 04:33
[ 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 100 highest latencies:
System rackcslot3s.osadl.org (updated Thu Feb 26, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
277422321307,4sleep20-21swapper/219:09:222
275072321315,4sleep30-21swapper/319:06:193
28062993160,315cyclictest8902-21kworker/u16:3+efi_rts_wq19:15:121
257262316309,5sleep10-21swapper/119:05:051
28064993140,311cyclictest14964-21kworker/u16:0+efi_rts_wq22:20:133
28064993130,312cyclictest26496-21kworker/u16:3+efi_rts_wq21:29:553
28063993130,312cyclictest14673-21kworker/u16:1+efi_rts_wq21:20:112
28061993130,312cyclictest26496-21kworker/u16:3+efi_rts_wq23:10:120
274942313306,5sleep00-21swapper/019:06:080
28062993120,311cyclictest26496-21kworker/u16:3+efi_rts_wq22:00:021
28062993120,311cyclictest26496-21kworker/u16:3+efi_rts_wq22:00:021
28062993100,309cyclictest10855-21kworker/u16:2+efi_rts_wq23:35:111
28061993100,309cyclictest14673-21kworker/u16:1+efi_rts_wq21:05:120
28063993090,308cyclictest26637-21kworker/u16:2+efi_rts_wq21:10:132
28062993090,308cyclictest6527-21kworker/u16:1+efi_rts_wq00:15:131
28062993090,308cyclictest26496-21kworker/u16:3+efi_rts_wq21:50:121
28062993090,308cyclictest14673-21kworker/u16:1+efi_rts_wq21:25:131
28061993090,308cyclictest26496-21kworker/u16:3+efi_rts_wq22:35:120
28064993080,306cyclictest14964-21kworker/u16:0+efi_rts_wq22:00:123
28064993080,306cyclictest14964-21kworker/u16:0+efi_rts_wq22:00:113
28064993070,306cyclictest10855-21kworker/u16:2+efi_rts_wq23:15:113
28062993070,305cyclictest14964-21kworker/u16:0+efi_rts_wq22:50:131
28061993070,306cyclictest26637-21kworker/u16:2+efi_rts_wq21:00:130
28064993050,304cyclictest8902-21kworker/u16:3+efi_rts_wq19:35:133
28064993050,304cyclictest10855-21kworker/u16:2+efi_rts_wq23:35:203
28064993040,303cyclictest14964-21kworker/u16:0+efi_rts_wq22:55:123
28064993030,302cyclictest26496-21kworker/u16:3+efi_rts_wq23:55:133
28064993010,300cyclictest14673-21kworker/u16:1+efi_rts_wq19:20:123
28061993010,300cyclictest8902-21kworker/u16:3+efi_rts_wq20:15:120
28063993000,299cyclictest26496-21kworker/u16:3+efi_rts_wq22:10:042
28064992990,298cyclictest1822-21kworker/u16:0+efi_rts_wq00:30:113
28064992990,298cyclictest14673-21kworker/u16:1+efi_rts_wq19:10:113
28062992990,298cyclictest14673-21kworker/u16:1+efi_rts_wq20:34:451
28061992990,298cyclictest8902-21kworker/u16:3+efi_rts_wq19:45:130
28062992980,297cyclictest1822-21kworker/u16:0+efi_rts_wq00:25:131
28061992980,296cyclictest26496-21kworker/u16:3+efi_rts_wq23:05:120
28063992960,295cyclictest10855-21kworker/u16:2+efi_rts_wq23:35:112
28062992960,295cyclictest26496-21kworker/u16:3+efi_rts_wq23:45:121
28062992960,295cyclictest26496-21kworker/u16:3+efi_rts_wq21:45:101
28062992960,295cyclictest14673-21kworker/u16:1+efi_rts_wq20:10:131
28064992950,294cyclictest6527-21kworker/u16:1+efi_rts_wq00:06:043
28064992950,294cyclictest1822-21kworker/u16:0+efi_rts_wq00:20:123
28064992940,293cyclictest26496-21kworker/u16:3+efi_rts_wq21:40:113
28063992940,293cyclictest6527-21kworker/u16:1+efi_rts_wq00:05:122
28063992930,290cyclictest26496-21kworker/u16:3+efi_rts_wq22:05:122
28062992930,292cyclictest14673-21kworker/u16:1+efi_rts_wq20:40:131
28061992920,290cyclictest26496-21kworker/u16:3+efi_rts_wq23:50:110
28061992900,289cyclictest10855-21kworker/u16:2+efi_rts_wq23:25:130
28063992890,288cyclictest14673-21kworker/u16:1+efi_rts_wq20:10:132
28062992890,288cyclictest6527-21kworker/u16:1+efi_rts_wq00:05:121
28064992880,286cyclictest10855-21kworker/u16:2+efi_rts_wq23:50:113
28062992870,285cyclictest26496-21kworker/u16:3+efi_rts_wq23:30:121
28063992850,284cyclictest1822-21kworker/u16:0+efi_rts_wq00:25:122
28064992830,282cyclictest8902-21kworker/u16:3+efi_rts_wq19:34:323
28062992810,280cyclictest14964-21kworker/u16:0+efi_rts_wq21:15:121
28064992800,279cyclictest14673-21kworker/u16:1+efi_rts_wq19:40:113
28064992800,279cyclictest10855-21kworker/u16:2+efi_rts_wq23:46:003
28064992800,279cyclictest10855-21kworker/u16:2+efi_rts_wq23:40:223
28062992800,279cyclictest14964-21kworker/u16:0+efi_rts_wq22:05:031
28064992790,278cyclictest26496-21kworker/u16:3+efi_rts_wq23:00:123
28062992790,278cyclictest8902-21kworker/u16:3+efi_rts_wq19:25:121
28061992770,276cyclictest14673-21kworker/u16:1+efi_rts_wq20:50:120
28062992760,275cyclictest14964-21kworker/u16:0+efi_rts_wq21:30:121
28064992750,274cyclictest14673-21kworker/u16:1+efi_rts_wq21:14:513
28061992740,273cyclictest26496-21kworker/u16:3+efi_rts_wq22:15:130
28064992730,272cyclictest26496-21kworker/u16:3+efi_rts_wq22:45:113
28063992720,271cyclictest1822-21kworker/u16:0+efi_rts_wq23:50:112
28063992710,270cyclictest26496-21kworker/u16:3+efi_rts_wq23:05:152
28064992700,269cyclictest8902-21kworker/u16:3+efi_rts_wq20:19:423
28064992700,269cyclictest10855-21kworker/u16:2+efi_rts_wq23:30:203
28063992660,265cyclictest8902-21kworker/u16:3+efi_rts_wq20:05:122
28063992660,265cyclictest8902-21kworker/u16:3+efi_rts_wq19:55:122
28062992660,265cyclictest26496-21kworker/u16:3+efi_rts_wq23:50:111
28062992660,265cyclictest14673-21kworker/u16:1+efi_rts_wq19:10:121
28061992650,264cyclictest26496-21kworker/u16:3+efi_rts_wq21:55:130
28062992640,263cyclictest1822-21kworker/u16:0+efi_rts_wq00:11:061
28062992640,263cyclictest10855-21kworker/u16:2+efi_rts_wq23:25:191
28062992640,261cyclictest14673-21kworker/u16:1+efi_rts_wq19:40:121
28063992630,262cyclictest14964-21kworker/u16:0+efi_rts_wq21:35:112
28063992620,261cyclictest14964-21kworker/u16:0+efi_rts_wq22:30:122
28063992590,258cyclictest6527-21kworker/u16:1+efi_rts_wq00:15:132
28061992590,258cyclictest14673-21kworker/u16:1+efi_rts_wq20:39:450
28061992580,257cyclictest26637-21kworker/u16:2+efi_rts_wq20:25:120
28061992570,256cyclictest14964-21kworker/u16:0+efi_rts_wq22:00:130
28061992570,256cyclictest14964-21kworker/u16:0+efi_rts_wq22:00:130
28064992560,255cyclictest26496-21kworker/u16:3+efi_rts_wq23:10:123
28063992560,255cyclictest14673-21kworker/u16:1+efi_rts_wq20:04:402
28063992540,253cyclictest26637-21kworker/u16:2+efi_rts_wq20:30:142
28063992530,250cyclictest1822-21kworker/u16:0+efi_rts_wq00:10:102
28064992520,251cyclictest14673-21kworker/u16:1+efi_rts_wq19:50:113
28063992520,251cyclictest14673-21kworker/u16:1+efi_rts_wq20:29:442
28062992510,250cyclictest10855-21kworker/u16:2+efi_rts_wq23:15:121
28064992500,249cyclictest26496-21kworker/u16:3+efi_rts_wq22:15:123
28061992500,249cyclictest26496-21kworker/u16:3+efi_rts_wq23:20:110
28064992490,248cyclictest26496-21kworker/u16:3+efi_rts_wq22:10:123
28062992490,248cyclictest26496-21kworker/u16:3+efi_rts_wq23:05:121
28064992460,244cyclictest14673-21kworker/u16:1+efi_rts_wq20:20:123
28063992460,245cyclictest26496-21kworker/u16:3+efi_rts_wq23:10:122
28064992450,244cyclictest14964-21kworker/u16:0+efi_rts_wq21:30:113
28063992450,244cyclictest6527-21kworker/u16:1+efi_rts_wq00:35:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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