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2026-06-27 - 05:50

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 Sat Jun 27, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76362325318,5sleep30-21swapper/319:07:303
77362316303,4sleep10-21swapper/119:08:481
75302315307,5sleep20-21swapper/219:06:092
74882314307,5sleep00-21swapper/019:05:360
8096993000,299cyclictest10841-21kworker/u16:2+efi_rts_wq19:19:143
8096992990,298cyclictest17757-21kworker/u16:0+efi_rts_wq00:00:123
8096992990,297cyclictest10841-21kworker/u16:2+efi_rts_wq21:35:133
8094992990,298cyclictest17757-21kworker/u16:0+efi_rts_wq23:40:091
8093992990,298cyclictest10119-21kworker/u16:2+efi_rts_wq00:15:130
8096992930,292cyclictest3410-21kworker/u16:1+efi_rts_wq22:34:513
8096992930,292cyclictest10119-21kworker/u16:2+efi_rts_wq23:40:033
8095992920,291cyclictest10119-21kworker/u16:2+efi_rts_wq23:51:032
8094992920,291cyclictest17757-21kworker/u16:0+efi_rts_wq23:20:111
8094992920,288cyclictest10841-21kworker/u16:2+efi_rts_wq21:10:121
8096992890,288cyclictest10119-21kworker/u16:2+efi_rts_wq23:30:123
8096992890,287cyclictest10841-21kworker/u16:2+efi_rts_wq19:55:143
8095992890,288cyclictest3410-21kworker/u16:1+efi_rts_wq20:50:112
8095992890,288cyclictest3410-21kworker/u16:1+efi_rts_wq20:15:122
8094992890,288cyclictest17757-21kworker/u16:0+efi_rts_wq00:21:101
8096992880,287cyclictest17757-21kworker/u16:0+efi_rts_wq23:46:023
8094992880,287cyclictest5004-21kworker/u16:3+efi_rts_wq22:55:101
8093992880,286cyclictest10841-21kworker/u16:2+efi_rts_wq22:30:120
8096992870,286cyclictest10841-21kworker/u16:2+efi_rts_wq21:45:133
8094992870,286cyclictest10841-21kworker/u16:2+efi_rts_wq22:44:521
8093992870,286cyclictest3410-21kworker/u16:1+efi_rts_wq21:30:120
8096992860,285cyclictest3410-21kworker/u16:1+efi_rts_wq20:50:113
8096992860,285cyclictest10841-21kworker/u16:2+efi_rts_wq20:19:243
8094992860,285cyclictest3410-21kworker/u16:1+efi_rts_wq19:49:191
8095992840,282cyclictest5004-21kworker/u16:3+efi_rts_wq23:15:122
8093992830,281cyclictest7601-21kworker/u16:1+efi_rts_wq23:00:130
8096992820,281cyclictest10841-21kworker/u16:2+efi_rts_wq20:49:303
8093992820,280cyclictest17757-21kworker/u16:0+efi_rts_wq23:35:110
8094992800,279cyclictest3410-21kworker/u16:1+efi_rts_wq19:20:121
8096992790,278cyclictest3410-21kworker/u16:1+efi_rts_wq20:29:263
8096992780,277cyclictest17757-21kworker/u16:0+efi_rts_wq00:11:093
8095992780,277cyclictest10841-21kworker/u16:2+efi_rts_wq22:30:122
8093992780,277cyclictest10119-21kworker/u16:2+efi_rts_wq00:35:110
8096992750,272cyclictest3410-21kworker/u16:1+efi_rts_wq21:40:123
8095992750,274cyclictest17757-21kworker/u16:0+efi_rts_wq00:25:132
8096992730,272cyclictest3410-21kworker/u16:1+efi_rts_wq19:40:133
8096992730,272cyclictest10841-21kworker/u16:2+efi_rts_wq20:00:123
8096992700,269cyclictest3410-21kworker/u16:1+efi_rts_wq22:19:473
8095992700,269cyclictest10841-21kworker/u16:2+efi_rts_wq19:25:142
8093992690,268cyclictest10841-21kworker/u16:2+efi_rts_wq21:00:110
8095992680,267cyclictest3410-21kworker/u16:1+efi_rts_wq21:30:122
8094992680,267cyclictest3410-21kworker/u16:1+efi_rts_wq21:04:331
8096992670,266cyclictest2462-21kworker/u16:0+efi_rts_wq22:50:133
8094992670,266cyclictest3410-21kworker/u16:1+efi_rts_wq19:14:141
8094992670,266cyclictest10841-21kworker/u16:2+efi_rts_wq20:25:131
8093992670,266cyclictest2462-21kworker/u16:0+efi_rts_wq22:45:130
8093992660,265cyclictest3410-21kworker/u16:1+efi_rts_wq20:24:250
8095992650,264cyclictest5004-21kworker/u16:3+efi_rts_wq23:05:122
8094992650,264cyclictest10841-21kworker/u16:2+efi_rts_wq21:05:121
8094992650,264cyclictest10119-21kworker/u16:2+efi_rts_wq23:25:131
8096992640,263cyclictest10841-21kworker/u16:2+efi_rts_wq20:30:133
8095992630,262cyclictest10841-21kworker/u16:2+efi_rts_wq19:15:132
8093992630,262cyclictest10841-21kworker/u16:2+efi_rts_wq21:50:110
8096992620,261cyclictest3410-21kworker/u16:1+efi_rts_wq20:40:123
8096992610,260cyclictest10841-21kworker/u16:2+efi_rts_wq20:55:123
8093992570,256cyclictest3410-21kworker/u16:1+efi_rts_wq19:24:150
8093992560,255cyclictest10841-21kworker/u16:2+efi_rts_wq21:15:140
8096992550,254cyclictest3410-21kworker/u16:1+efi_rts_wq22:10:143
8093992540,253cyclictest10841-21kworker/u16:2+efi_rts_wq22:04:440
8093992540,253cyclictest10841-21kworker/u16:2+efi_rts_wq20:44:290
8093992510,250cyclictest5004-21kworker/u16:3+efi_rts_wq23:15:120
8093992480,246cyclictest10841-21kworker/u16:2+efi_rts_wq19:15:020
8094992470,246cyclictest10841-21kworker/u16:2+efi_rts_wq20:05:111
8096992460,245cyclictest17757-21kworker/u16:0+efi_rts_wq00:06:073
8095992460,244cyclictest3410-21kworker/u16:1+efi_rts_wq20:45:112
8093992440,243cyclictest3410-21kworker/u16:1+efi_rts_wq22:24:480
8093992440,243cyclictest10841-21kworker/u16:2+efi_rts_wq22:05:130
8094992420,241cyclictest17757-21kworker/u16:0+efi_rts_wq00:25:141
8094992400,239cyclictest10841-21kworker/u16:2+efi_rts_wq21:55:131
8093992400,239cyclictest10841-21kworker/u16:2+efi_rts_wq19:10:120
8093992390,238cyclictest17757-21kworker/u16:0+efi_rts_wq00:05:130
8093992390,238cyclictest10841-21kworker/u16:2+efi_rts_wq21:05:130
8094992380,237cyclictest10841-21kworker/u16:2+efi_rts_wq21:25:141
8095992370,236cyclictest17757-21kworker/u16:0+efi_rts_wq00:01:062
8095992370,236cyclictest10841-21kworker/u16:2+efi_rts_wq19:30:132
8095992360,234cyclictest5004-21kworker/u16:3+efi_rts_wq23:10:122
8096992350,234cyclictest10841-21kworker/u16:2+efi_rts_wq21:14:353
8093992350,234cyclictest17757-21kworker/u16:0+efi_rts_wq23:45:110
8093992350,234cyclictest10841-21kworker/u16:2+efi_rts_wq19:45:130
8096992340,233cyclictest17757-21kworker/u16:0+efi_rts_wq23:20:123
8095992340,232cyclictest2462-21kworker/u16:0+efi_rts_wq22:50:122
8094992340,233cyclictest10841-21kworker/u16:2+efi_rts_wq21:54:421
8096992330,232cyclictest10841-21kworker/u16:2+efi_rts_wq21:55:133
8095992310,230cyclictest10119-21kworker/u16:2+efi_rts_wq23:45:022
8096992300,229cyclictest10119-21kworker/u16:2+efi_rts_wq23:55:123
8093992300,229cyclictest10841-21kworker/u16:2+efi_rts_wq19:25:150
8096992290,228cyclictest10841-21kworker/u16:2+efi_rts_wq22:05:133
8095992290,228cyclictest3410-21kworker/u16:1+efi_rts_wq20:40:132
8094992290,228cyclictest10119-21kworker/u16:2+efi_rts_wq00:15:131
8094992280,227cyclictest3410-21kworker/u16:1+efi_rts_wq19:44:181
8096992250,223cyclictest10841-21kworker/u16:2+efi_rts_wq22:40:123
8094992250,224cyclictest10841-21kworker/u16:2+efi_rts_wq21:15:121
8093992240,223cyclictest3410-21kworker/u16:1+efi_rts_wq19:50:120
8095992210,220cyclictest3410-21kworker/u16:1+efi_rts_wq22:15:112
8096992200,219cyclictest10119-21kworker/u16:2+efi_rts_wq23:09:563
8095992200,219cyclictest3410-21kworker/u16:1+efi_rts_wq21:39:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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