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2024-11-24 - 07:43

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 Sun Nov 24, 2024 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12712318304,5sleep10-21swapper/119:06:221
13632317303,5sleep20-21swapper/219:07:322
15382316309,5sleep30-21swapper/319:09:453
15402314307,5sleep00-21swapper/019:09:470
1826992970,296cyclictest25275-21kworker/u16:0+efi_rts_wq22:50:151
1828992960,293cyclictest24699-21kworker/u16:2+efi_rts_wq21:45:143
1825992950,294cyclictest25275-21kworker/u16:0+efi_rts_wq22:25:110
1828992940,293cyclictest23855-21kworker/u16:3+efi_rts_wq00:15:153
1827992940,293cyclictest517-21kworker/u16:0+efi_rts_wq00:00:132
1825992940,293cyclictest25275-21kworker/u16:0+efi_rts_wq23:25:530
1825992940,293cyclictest23855-21kworker/u16:3+efi_rts_wq00:05:570
1827992930,292cyclictest23855-21kworker/u16:3+efi_rts_wq20:15:282
1826992930,291cyclictest25275-21kworker/u16:0+efi_rts_wq23:00:491
1828992920,291cyclictest29302-21kworker/u16:1+efi_rts_wq21:00:133
1827992920,291cyclictest23855-21kworker/u16:3+efi_rts_wq00:10:142
1825992920,291cyclictest24699-21kworker/u16:2+efi_rts_wq22:05:400
1825992910,290cyclictest29302-21kworker/u16:1+efi_rts_wq20:25:280
1828992900,289cyclictest25275-21kworker/u16:0+efi_rts_wq23:20:133
1826992900,289cyclictest23855-21kworker/u16:3+efi_rts_wq20:30:111
1826992900,289cyclictest23855-21kworker/u16:3+efi_rts_wq19:30:131
1826992900,289cyclictest21042-21kworker/u16:2+efi_rts_wq19:55:161
1825992900,289cyclictest25275-21kworker/u16:0+efi_rts_wq22:30:170
1828992880,287cyclictest24699-21kworker/u16:2+efi_rts_wq22:10:143
1825992880,287cyclictest25275-21kworker/u16:0+efi_rts_wq21:20:350
1828992870,286cyclictest24699-21kworker/u16:2+efi_rts_wq22:15:133
1826992870,286cyclictest23855-21kworker/u16:3+efi_rts_wq20:50:131
1825992870,286cyclictest24699-21kworker/u16:2+efi_rts_wq21:40:120
1826992860,285cyclictest24699-21kworker/u16:2+efi_rts_wq22:20:131
1825992860,285cyclictest23855-21kworker/u16:3+efi_rts_wq20:30:290
1825992860,285cyclictest23855-21kworker/u16:3+efi_rts_wq19:35:140
1825992860,285cyclictest23855-21kworker/u16:3+efi_rts_wq19:35:130
1825992840,283cyclictest25275-21kworker/u16:0+efi_rts_wq22:50:160
1825992840,283cyclictest23855-21kworker/u16:3+efi_rts_wq19:25:130
1827992820,281cyclictest23855-21kworker/u16:3+efi_rts_wq19:45:142
1828992810,280cyclictest24699-21kworker/u16:2+efi_rts_wq23:25:143
1828992810,280cyclictest23855-21kworker/u16:3+efi_rts_wq20:35:153
1827992810,280cyclictest24699-21kworker/u16:2+efi_rts_wq22:05:142
1827992800,279cyclictest29302-21kworker/u16:1+efi_rts_wq20:40:132
1827992790,278cyclictest25275-21kworker/u16:0+efi_rts_wq19:15:122
1825992770,276cyclictest23855-21kworker/u16:3+efi_rts_wq20:15:130
1827992760,275cyclictest29302-21kworker/u16:1+efi_rts_wq20:20:122
1825992720,271cyclictest25275-21kworker/u16:0+efi_rts_wq19:50:140
1826992710,270cyclictest25275-21kworker/u16:0+efi_rts_wq23:10:131
1827992700,268cyclictest24699-21kworker/u16:2+efi_rts_wq23:45:142
1826992700,269cyclictest23855-21kworker/u16:3+efi_rts_wq20:35:301
1827992690,268cyclictest25275-21kworker/u16:0+efi_rts_wq23:40:112
1827992690,268cyclictest25275-21kworker/u16:0+efi_rts_wq22:50:472
1825992690,268cyclictest517-21kworker/u16:0+efi_rts_wq00:25:130
1827992680,267cyclictest24699-21kworker/u16:2+efi_rts_wq23:50:172
1827992680,267cyclictest23855-21kworker/u16:3+efi_rts_wq21:05:492
1826992680,267cyclictest25275-21kworker/u16:0+efi_rts_wq19:10:211
1825992680,267cyclictest517-21kworker/u16:0+efi_rts_wq00:35:120
1827992670,266cyclictest25949-21kworker/u16:1+efi_rts_wq23:55:142
1826992670,266cyclictest23855-21kworker/u16:3+efi_rts_wq20:55:341
1827992660,265cyclictest25275-21kworker/u16:0+efi_rts_wq23:35:142
1828992650,264cyclictest29302-21kworker/u16:1+efi_rts_wq21:15:133
1826992650,264cyclictest24699-21kworker/u16:2+efi_rts_wq23:50:171
1825992650,264cyclictest25275-21kworker/u16:0+efi_rts_wq23:40:550
1826992640,263cyclictest24699-21kworker/u16:2+efi_rts_wq22:45:471
1825992640,263cyclictest25949-21kworker/u16:1+efi_rts_wq23:55:130
1827992630,262cyclictest25275-21kworker/u16:0+efi_rts_wq23:30:152
1827992620,261cyclictest29302-21kworker/u16:1+efi_rts_wq21:15:352
1825992620,261cyclictest25275-21kworker/u16:0+efi_rts_wq22:00:150
1828992610,260cyclictest24699-21kworker/u16:2+efi_rts_wq21:35:133
1828992600,259cyclictest24699-21kworker/u16:2+efi_rts_wq22:05:143
1825992600,259cyclictest24699-21kworker/u16:2+efi_rts_wq22:45:130
1825992600,259cyclictest23855-21kworker/u16:3+efi_rts_wq20:50:130
1826992570,256cyclictest29302-21kworker/u16:1+efi_rts_wq21:05:161
1825992570,256cyclictest29302-21kworker/u16:1+efi_rts_wq21:10:130
1825992540,253cyclictest24699-21kworker/u16:2+efi_rts_wq23:15:120
1828992530,252cyclictest25275-21kworker/u16:0+efi_rts_wq20:00:123
1826992510,250cyclictest24699-21kworker/u16:2+efi_rts_wq22:40:121
1825992500,249cyclictest24699-21kworker/u16:2+efi_rts_wq21:45:370
1828992480,247cyclictest25275-21kworker/u16:0+efi_rts_wq22:35:153
1827992480,247cyclictest24699-21kworker/u16:2+efi_rts_wq23:25:142
1825992470,246cyclictest29302-21kworker/u16:1+efi_rts_wq21:05:150
1828992450,244cyclictest25275-21kworker/u16:0+efi_rts_wq19:40:113
1826992450,244cyclictest24699-21kworker/u16:2+efi_rts_wq21:30:141
1826992440,243cyclictest25275-21kworker/u16:0+efi_rts_wq19:20:131
1825992420,241cyclictest24699-21kworker/u16:2+efi_rts_wq21:30:150
1825992410,240cyclictest25275-21kworker/u16:0+efi_rts_wq19:10:110
1826992400,239cyclictest23855-21kworker/u16:3+efi_rts_wq00:00:561
1828992380,237cyclictest517-21kworker/u16:0+efi_rts_wq00:26:033
1828992370,236cyclictest24699-21kworker/u16:2+efi_rts_wq23:05:453
1826992340,233cyclictest29302-21kworker/u16:1+efi_rts_wq20:25:141
1825992340,233cyclictest24699-21kworker/u16:2+efi_rts_wq21:50:170
1827992320,231cyclictest24699-21kworker/u16:2+efi_rts_wq23:10:512
1825992320,231cyclictest25275-21kworker/u16:0+efi_rts_wq19:20:210
1825992310,230cyclictest25275-21kworker/u16:0+efi_rts_wq21:55:380
1826992300,229cyclictest25275-21kworker/u16:0+efi_rts_wq23:40:101
1826992300,229cyclictest24699-21kworker/u16:2+efi_rts_wq23:45:141
1826992240,223cyclictest25949-21kworker/u16:1+efi_rts_wq23:55:141
1827992210,220cyclictest29302-21kworker/u16:1+efi_rts_wq21:10:122
1826992190,218cyclictest24699-21kworker/u16:2+efi_rts_wq22:05:301
1827992180,215cyclictest21042-21kworker/u16:2+efi_rts_wq20:10:122
1827992170,216cyclictest29302-21kworker/u16:1+efi_rts_wq21:00:132
1826992170,216cyclictest25275-21kworker/u16:0+efi_rts_wq21:55:131
1826992160,215cyclictest25275-21kworker/u16:0+efi_rts_wq20:05:271
1825992150,214cyclictest24699-21kworker/u16:2+efi_rts_wq22:40:460
1827992140,213cyclictest25275-21kworker/u16:0+efi_rts_wq19:10:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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