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2025-05-09 - 05:28

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 Fri May 09, 2025 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301392323317,4sleep00-21swapper/019:05:460
302082317310,5sleep20-21swapper/219:06:412
301072316302,5sleep30-21swapper/319:05:213
301302315308,5sleep10-21swapper/119:05:391
30730993070,305cyclictest13987-21kworker/u16:3+efi_rts_wq00:10:142
30728993070,306cyclictest13987-21kworker/u16:3+efi_rts_wq00:10:140
30731993050,304cyclictest31805-21kworker/u16:1+efi_rts_wq22:25:143
30730993050,304cyclictest31805-21kworker/u16:1+efi_rts_wq23:15:112
30729993050,304cyclictest11682-21kworker/u16:0+efi_rts_wq23:40:141
30729993040,303cyclictest31805-21kworker/u16:1+efi_rts_wq19:35:141
30728993040,303cyclictest13987-21kworker/u16:3+efi_rts_wq00:25:130
30728993040,303cyclictest13987-21kworker/u16:3+efi_rts_wq00:25:130
30730993020,301cyclictest9823-21kworker/u16:3+efi_rts_wq21:55:112
30728993020,301cyclictest9823-21kworker/u16:3+efi_rts_wq20:45:150
30728993010,300cyclictest9823-21kworker/u16:3+efi_rts_wq20:35:110
30731993000,298cyclictest9823-21kworker/u16:3+efi_rts_wq22:35:143
30728992990,298cyclictest31805-21kworker/u16:1+efi_rts_wq22:30:120
30730992980,297cyclictest31805-21kworker/u16:1+efi_rts_wq19:15:012
30728992980,297cyclictest31805-21kworker/u16:1+efi_rts_wq23:20:170
30731992970,296cyclictest9823-21kworker/u16:3+efi_rts_wq19:40:123
30731992970,296cyclictest31805-21kworker/u16:1+efi_rts_wq23:20:173
30729992970,296cyclictest31805-21kworker/u16:1+efi_rts_wq20:30:141
30729992970,296cyclictest18591-21kworker/u16:1+efi_rts_wq23:50:121
30731992960,295cyclictest31805-21kworker/u16:1+efi_rts_wq22:45:143
30728992940,293cyclictest9823-21kworker/u16:3+efi_rts_wq21:25:180
30728992930,292cyclictest9823-21kworker/u16:3+efi_rts_wq21:15:120
30728992910,290cyclictest13987-21kworker/u16:3+efi_rts_wq00:15:150
30729992900,289cyclictest18591-21kworker/u16:1+efi_rts_wq23:45:141
30729992900,288cyclictest21989-21kworker/u16:2+efi_rts_wq23:00:121
30730992890,288cyclictest13987-21kworker/u16:3+efi_rts_wq00:05:142
30730992870,286cyclictest31805-21kworker/u16:1+efi_rts_wq23:05:142
30731992860,285cyclictest31805-21kworker/u16:1+efi_rts_wq20:25:143
30728992810,280cyclictest31805-21kworker/u16:1+efi_rts_wq21:45:130
30730992800,279cyclictest13987-21kworker/u16:3+efi_rts_wq00:30:132
30731992790,278cyclictest31805-21kworker/u16:1+efi_rts_wq22:15:143
30730992770,276cyclictest9823-21kworker/u16:3+efi_rts_wq20:15:122
30729992770,276cyclictest9823-21kworker/u16:3+efi_rts_wq22:00:151
30728992750,274cyclictest31805-21kworker/u16:1+efi_rts_wq19:20:090
30731992740,273cyclictest9823-21kworker/u16:3+efi_rts_wq20:55:153
30730992710,270cyclictest9823-21kworker/u16:3+efi_rts_wq20:00:122
30731992700,269cyclictest31805-21kworker/u16:1+efi_rts_wq22:20:113
30731992690,268cyclictest9823-21kworker/u16:3+efi_rts_wq21:20:143
30728992660,265cyclictest11682-21kworker/u16:0+efi_rts_wq23:35:140
30729992640,263cyclictest31805-21kworker/u16:1+efi_rts_wq22:50:141
30728992640,263cyclictest9823-21kworker/u16:3+efi_rts_wq21:10:140
30728992630,262cyclictest9823-21kworker/u16:3+efi_rts_wq22:10:130
30730992590,258cyclictest9823-21kworker/u16:3+efi_rts_wq21:30:132
30730992560,255cyclictest13987-21kworker/u16:3+efi_rts_wq00:15:162
30731992550,254cyclictest9823-21kworker/u16:3+efi_rts_wq20:40:123
30730992550,254cyclictest9823-21kworker/u16:3+efi_rts_wq21:00:142
30730992550,254cyclictest31805-21kworker/u16:1+efi_rts_wq19:35:142
30730992540,253cyclictest9823-21kworker/u16:3+efi_rts_wq22:35:142
30728992530,250cyclictest9823-21kworker/u16:3+efi_rts_wq19:50:110
30730992490,248cyclictest13987-21kworker/u16:3+efi_rts_wq23:30:152
30728992480,247cyclictest31805-21kworker/u16:1+efi_rts_wq23:15:120
30729992460,245cyclictest9823-21kworker/u16:3+efi_rts_wq21:55:111
30729992460,245cyclictest9823-21kworker/u16:3+efi_rts_wq19:55:121
30731992420,241cyclictest18591-21kworker/u16:1+efi_rts_wq23:55:143
30729992390,238cyclictest9823-21kworker/u16:3+efi_rts_wq21:05:131
30729992370,236cyclictest13987-21kworker/u16:3+efi_rts_wq00:20:131
30728992370,236cyclictest31805-21kworker/u16:1+efi_rts_wq20:20:100
30729992340,233cyclictest31805-21kworker/u16:1+efi_rts_wq19:30:131
30728992340,233cyclictest31805-21kworker/u16:1+efi_rts_wq19:25:140
30729992330,232cyclictest9823-21kworker/u16:3+efi_rts_wq19:10:131
30731992300,229cyclictest9823-21kworker/u16:3+efi_rts_wq19:45:143
30729992300,229cyclictest21989-21kworker/u16:2+efi_rts_wq23:15:121
30728992300,229cyclictest9823-21kworker/u16:3+efi_rts_wq22:05:140
30728992280,227cyclictest18591-21kworker/u16:1+efi_rts_wq00:00:160
30728992270,226cyclictest31805-21kworker/u16:1+efi_rts_wq21:40:140
30729992250,224cyclictest31805-21kworker/u16:1+efi_rts_wq19:25:141
30731992210,220cyclictest9823-21kworker/u16:3+efi_rts_wq22:05:143
30728992210,220cyclictest9823-21kworker/u16:3+efi_rts_wq22:00:160
30728992200,219cyclictest31805-21kworker/u16:1+efi_rts_wq21:35:130
30731992180,217cyclictest9823-21kworker/u16:3+efi_rts_wq19:55:123
30730992170,216cyclictest9823-21kworker/u16:3+efi_rts_wq19:10:132
30731992160,215cyclictest13987-21kworker/u16:3+efi_rts_wq00:35:143
30730992150,214cyclictest9823-21kworker/u16:3+efi_rts_wq19:40:122
30729992150,214cyclictest9823-21kworker/u16:3+efi_rts_wq21:00:141
30728992140,213cyclictest9823-21kworker/u16:3+efi_rts_wq21:05:130
30729992100,208cyclictest18591-21kworker/u16:1+efi_rts_wq23:55:151
30731992090,208cyclictest9823-21kworker/u16:3+efi_rts_wq21:05:143
30728992090,208cyclictest9823-21kworker/u16:3+efi_rts_wq19:45:140
30729992080,207cyclictest11682-21kworker/u16:0+efi_rts_wq23:35:141
30729992080,206cyclictest31805-21kworker/u16:1+efi_rts_wq22:40:131
30731992060,205cyclictest9823-21kworker/u16:3+efi_rts_wq20:50:113
30731992040,203cyclictest21989-21kworker/u16:2+efi_rts_wq23:25:163
30730992040,203cyclictest21989-21kworker/u16:2+efi_rts_wq22:55:142
30728992040,203cyclictest9823-21kworker/u16:3+efi_rts_wq20:10:140
30730992020,201cyclictest21989-21kworker/u16:2+efi_rts_wq23:25:162
30728992020,201cyclictest9823-21kworker/u16:3+efi_rts_wq20:05:140
30728992020,201cyclictest11682-21kworker/u16:0+efi_rts_wq23:30:150
30730991960,195cyclictest31805-21kworker/u16:1+efi_rts_wq21:35:132
30729991960,195cyclictest31805-21kworker/u16:1+efi_rts_wq19:20:101
30728991940,193cyclictest9823-21kworker/u16:3+efi_rts_wq20:50:110
30729991930,192cyclictest31805-21kworker/u16:1+efi_rts_wq21:40:131
30728991900,189cyclictest21989-21kworker/u16:2+efi_rts_wq23:10:130
30729991880,187cyclictest21989-21kworker/u16:2+efi_rts_wq22:45:131
30731991870,186cyclictest31805-21kworker/u16:1+efi_rts_wq20:20:103
30729991870,186cyclictest9823-21kworker/u16:3+efi_rts_wq19:50:111
30728991850,184cyclictest31805-21kworker/u16:1+efi_rts_wq22:40:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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