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2025-12-31 - 20:42

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 Wed Dec 31, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164082325319,4sleep10-21swapper/107:08:241
164682319305,4sleep20-21swapper/207:09:102
16800993160,314cyclictest19542-21kworker/u16:2+efi_rts_wq11:05:122
162612315308,5sleep30-21swapper/307:06:303
161962314307,5sleep00-21swapper/007:05:380
16800993110,310cyclictest5917-21kworker/u16:1+efi_rts_wq12:15:122
16799993110,310cyclictest29710-21kworker/u16:0+efi_rts_wq07:36:251
16798993110,310cyclictest26163-21kworker/u16:4+efi_rts_wq11:17:040
16800993080,307cyclictest13072-21kworker/u16:0+efi_rts_wq10:26:552
16800993080,307cyclictest13072-21kworker/u16:0+efi_rts_wq10:06:512
16799993060,304cyclictest10070-21kworker/u16:1+efi_rts_wq07:20:121
16801993050,303cyclictest13072-21kworker/u16:0+efi_rts_wq10:45:123
16798993050,304cyclictest5917-21kworker/u16:1+efi_rts_wq12:15:120
16800993040,303cyclictest6181-21kworker/u16:3+efi_rts_wq10:50:132
16800993040,303cyclictest25192-21kworker/u16:3+efi_rts_wq09:50:122
16801993030,302cyclictest19136-21kworker/u16:1+efi_rts_wq10:16:523
16799993030,302cyclictest5626-21kworker/u16:3+efi_rts_wq08:10:111
16798993030,302cyclictest31835-21kworker/u16:2+efi_rts_wq08:01:290
16800993010,300cyclictest4610-21kworker/u16:2+efi_rts_wq09:20:122
16798993000,299cyclictest5626-21kworker/u16:3+efi_rts_wq08:10:120
16800992990,298cyclictest5917-21kworker/u16:1+efi_rts_wq12:00:112
16798992980,295cyclictest25192-21kworker/u16:3+efi_rts_wq08:55:140
16799992970,296cyclictest13072-21kworker/u16:0+efi_rts_wq11:20:151
16798992970,296cyclictest13072-21kworker/u16:0+efi_rts_wq11:50:140
16800992960,295cyclictest25192-21kworker/u16:3+efi_rts_wq09:10:152
16800992960,295cyclictest13072-21kworker/u16:0+efi_rts_wq11:42:092
16799992960,295cyclictest5917-21kworker/u16:1+efi_rts_wq12:20:121
16798992960,295cyclictest3319-21kworker/u16:3+efi_rts_wq11:32:080
16798992960,295cyclictest23112-21kworker/u16:3+efi_rts_wq07:30:150
16801992950,294cyclictest25192-21kworker/u16:3+efi_rts_wq09:26:443
16798992950,294cyclictest5626-21kworker/u16:3+efi_rts_wq08:06:290
16798992950,294cyclictest29710-21kworker/u16:0+efi_rts_wq07:40:120
16801992940,293cyclictest13072-21kworker/u16:0+efi_rts_wq11:15:133
16798992920,291cyclictest7722-21kworker/u16:1+efi_rts_wq08:45:140
16801992910,289cyclictest7722-21kworker/u16:1+efi_rts_wq08:20:123
16800992860,285cyclictest25192-21kworker/u16:3+efi_rts_wq09:56:492
16799992860,285cyclictest31845-21kworker/u16:3+efi_rts_wq10:20:121
16801992830,282cyclictest29710-21kworker/u16:0+efi_rts_wq07:40:113
16799992830,282cyclictest25192-21kworker/u16:3+efi_rts_wq08:51:381
16799992820,281cyclictest7722-21kworker/u16:1+efi_rts_wq08:16:321
16799992820,281cyclictest4610-21kworker/u16:2+efi_rts_wq09:30:141
16798992820,281cyclictest19136-21kworker/u16:1+efi_rts_wq10:25:140
16799992810,280cyclictest23112-21kworker/u16:3+efi_rts_wq07:31:231
16799992800,279cyclictest30741-21kworker/u16:2+efi_rts_wq11:35:141
16799992790,278cyclictest25192-21kworker/u16:3+efi_rts_wq08:55:151
16798992780,277cyclictest16956-21kworker/u16:2+efi_rts_wq09:45:130
16799992770,276cyclictest25192-21kworker/u16:3+efi_rts_wq09:50:121
16799992770,276cyclictest19136-21kworker/u16:1+efi_rts_wq09:55:151
16799992770,276cyclictest13072-21kworker/u16:0+efi_rts_wq11:40:141
16801992760,275cyclictest6181-21kworker/u16:3+efi_rts_wq10:50:123
16800992760,275cyclictest30741-21kworker/u16:2+efi_rts_wq11:25:152
16799992750,274cyclictest7722-21kworker/u16:1+efi_rts_wq08:05:141
16798992750,274cyclictest5917-21kworker/u16:1+efi_rts_wq12:02:130
16801992740,273cyclictest14701-21kworker/u16:2+efi_rts_wq07:21:213
16798992730,272cyclictest25192-21kworker/u16:3+efi_rts_wq09:50:120
16801992720,269cyclictest16087-21kworker/u16:1+efi_rts_wq10:55:163
16801992710,270cyclictest5917-21kworker/u16:1+efi_rts_wq12:25:163
16799992710,270cyclictest19136-21kworker/u16:1+efi_rts_wq10:11:511
16800992700,269cyclictest25192-21kworker/u16:3+efi_rts_wq09:25:152
16798992690,268cyclictest11933-21kworker/u16:2+efi_rts_wq08:25:140
16799992680,265cyclictest10070-21kworker/u16:1+efi_rts_wq07:25:151
16800992670,266cyclictest15529-21kworker/u16:2+efi_rts_wq12:30:122
16800992660,265cyclictest10956-21kworker/u16:3+efi_rts_wq11:50:132
16800992660,265cyclictest10070-21kworker/u16:1+efi_rts_wq07:35:142
16801992650,264cyclictest7722-21kworker/u16:1+efi_rts_wq08:15:143
16799992630,262cyclictest5917-21kworker/u16:1+efi_rts_wq12:10:151
16798992630,262cyclictest7722-21kworker/u16:1+efi_rts_wq08:20:130
16799992610,260cyclictest5917-21kworker/u16:1+efi_rts_wq12:05:121
16799992610,260cyclictest13072-21kworker/u16:0+efi_rts_wq10:05:131
16799992600,258cyclictest13072-21kworker/u16:0+efi_rts_wq11:50:141
16800992590,258cyclictest14701-21kworker/u16:2+efi_rts_wq07:10:132
16799992580,257cyclictest5917-21kworker/u16:1+efi_rts_wq12:37:171
16799992580,257cyclictest11933-21kworker/u16:2+efi_rts_wq08:40:121
16798992580,257cyclictest5917-21kworker/u16:1+efi_rts_wq12:07:130
16800992570,256cyclictest4610-21kworker/u16:2+efi_rts_wq09:15:152
16800992570,256cyclictest13072-21kworker/u16:0+efi_rts_wq09:35:142
16799992570,256cyclictest30741-21kworker/u16:2+efi_rts_wq11:30:151
16801992560,255cyclictest25192-21kworker/u16:3+efi_rts_wq09:10:153
16801992560,255cyclictest25192-21kworker/u16:3+efi_rts_wq08:50:113
16801992560,255cyclictest10070-21kworker/u16:1+efi_rts_wq07:25:143
16799992560,255cyclictest14701-21kworker/u16:2+efi_rts_wq07:15:011
16801992540,253cyclictest19136-21kworker/u16:1+efi_rts_wq10:10:143
16798992540,252cyclictest6181-21kworker/u16:3+efi_rts_wq10:57:000
16801992520,251cyclictest19136-21kworker/u16:1+efi_rts_wq10:05:123
16799992510,250cyclictest13072-21kworker/u16:0+efi_rts_wq09:35:141
16800992500,249cyclictest19136-21kworker/u16:1+efi_rts_wq10:30:142
16800992490,248cyclictest5917-21kworker/u16:1+efi_rts_wq12:05:122
16798992490,248cyclictest21727-21kworker/u16:3+efi_rts_wq12:35:150
16799992470,245cyclictest13072-21kworker/u16:0+efi_rts_wq11:00:141
16800992460,245cyclictest7722-21kworker/u16:1+efi_rts_wq09:00:142
16799992460,245cyclictest11933-21kworker/u16:2+efi_rts_wq08:35:141
16798992450,244cyclictest4610-21kworker/u16:2+efi_rts_wq09:21:430
16799992430,242cyclictest7722-21kworker/u16:1+efi_rts_wq08:21:321
16800992410,240cyclictest11933-21kworker/u16:2+efi_rts_wq08:35:142
16800992400,239cyclictest29710-21kworker/u16:0+efi_rts_wq07:50:132
16799992400,239cyclictest7722-21kworker/u16:1+efi_rts_wq09:01:401
16799992400,239cyclictest1695-21kworker/u16:1+efi_rts_wq07:55:121
16800992370,236cyclictest6181-21kworker/u16:3+efi_rts_wq11:10:142
16799992360,235cyclictest5917-21kworker/u16:1+efi_rts_wq12:25:151
16798992350,234cyclictest31845-21kworker/u16:3+efi_rts_wq10:20:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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