You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-22 - 19:43

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 Mon Jun 22, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89252333305,25sleep00-21swapper/007:05:550
90852317310,5sleep30-21swapper/307:07:583
89162316308,5sleep10-21swapper/107:05:471
89002316308,5sleep20-21swapper/207:05:362
9626993000,299cyclictest18173-21kworker/u16:3+efi_rts_wq11:20:103
9623992990,297cyclictest19434-21kworker/u16:0+efi_rts_wq08:55:131
9621992990,298cyclictest8556-21kworker/u16:1+efi_rts_wq07:32:270
9624992980,297cyclictest19434-21kworker/u16:0+efi_rts_wq12:00:122
9623992980,297cyclictest8556-21kworker/u16:1+efi_rts_wq09:17:451
9626992970,296cyclictest19434-21kworker/u16:0+efi_rts_wq11:53:133
9626992970,296cyclictest19434-21kworker/u16:0+efi_rts_wq11:53:133
9623992970,296cyclictest19434-21kworker/u16:0+efi_rts_wq07:10:131
9626992940,293cyclictest19434-21kworker/u16:0+efi_rts_wq10:02:523
9626992940,293cyclictest19434-21kworker/u16:0+efi_rts_wq09:40:123
9624992940,293cyclictest4819-21kworker/u16:1+efi_rts_wq12:15:122
9624992940,291cyclictest19434-21kworker/u16:0+efi_rts_wq11:00:122
9626992930,292cyclictest19434-21kworker/u16:0+efi_rts_wq09:25:123
9623992930,292cyclictest8556-21kworker/u16:1+efi_rts_wq08:37:381
9623992930,292cyclictest19434-21kworker/u16:0+efi_rts_wq11:15:121
9623992880,287cyclictest8556-21kworker/u16:1+efi_rts_wq10:10:131
9621992880,285cyclictest19434-21kworker/u16:0+efi_rts_wq08:50:130
9623992870,286cyclictest19434-21kworker/u16:0+efi_rts_wq10:35:131
9621992870,286cyclictest5178-21kworker/u16:2+efi_rts_wq10:55:120
9626992850,282cyclictest8556-21kworker/u16:1+efi_rts_wq08:15:123
9623992840,282cyclictest8556-21kworker/u16:1+efi_rts_wq10:30:131
9621992840,283cyclictest19434-21kworker/u16:0+efi_rts_wq11:45:110
9626992830,281cyclictest5178-21kworker/u16:2+efi_rts_wq10:58:023
9623992820,281cyclictest19434-21kworker/u16:0+efi_rts_wq08:52:411
9621992820,281cyclictest19434-21kworker/u16:0+efi_rts_wq11:25:120
9624992810,280cyclictest19434-21kworker/u16:0+efi_rts_wq10:25:122
9623992810,280cyclictest19434-21kworker/u16:0+efi_rts_wq10:05:131
9623992810,278cyclictest19434-21kworker/u16:0+efi_rts_wq10:40:111
9621992800,278cyclictest8556-21kworker/u16:1+efi_rts_wq10:30:130
9626992790,278cyclictest19434-21kworker/u16:0+efi_rts_wq08:42:393
9624992790,278cyclictest18173-21kworker/u16:3+efi_rts_wq11:10:122
9623992790,278cyclictest19434-21kworker/u16:0+efi_rts_wq12:30:131
9626992770,276cyclictest19434-21kworker/u16:0+efi_rts_wq11:05:113
9626992770,276cyclictest19434-21kworker/u16:0+efi_rts_wq10:25:123
9623992760,275cyclictest8556-21kworker/u16:1+efi_rts_wq09:10:131
9626992750,274cyclictest19434-21kworker/u16:0+efi_rts_wq08:00:133
9626992740,273cyclictest19434-21kworker/u16:0+efi_rts_wq10:05:123
9623992740,273cyclictest19434-21kworker/u16:0+efi_rts_wq12:18:181
9626992730,272cyclictest19434-21kworker/u16:0+efi_rts_wq09:05:123
9624992730,272cyclictest8556-21kworker/u16:1+efi_rts_wq09:22:462
9621992730,272cyclictest19434-21kworker/u16:0+efi_rts_wq09:30:110
9626992720,271cyclictest19434-21kworker/u16:0+efi_rts_wq12:30:133
9624992720,271cyclictest19434-21kworker/u16:0+efi_rts_wq12:20:122
9624992710,270cyclictest8556-21kworker/u16:1+efi_rts_wq08:30:132
9626992700,269cyclictest8556-21kworker/u16:1+efi_rts_wq09:45:123
9621992690,268cyclictest19434-21kworker/u16:0+efi_rts_wq10:35:130
9626992680,267cyclictest19434-21kworker/u16:0+efi_rts_wq10:20:123
9626992660,265cyclictest4819-21kworker/u16:1+efi_rts_wq12:35:113
9626992660,265cyclictest4819-21kworker/u16:1+efi_rts_wq12:10:123
9621992660,265cyclictest19434-21kworker/u16:0+efi_rts_wq12:05:130
9626992650,263cyclictest18173-21kworker/u16:3+efi_rts_wq11:35:133
9626992630,262cyclictest8556-21kworker/u16:1+efi_rts_wq09:37:473
9626992620,261cyclictest19434-21kworker/u16:0+efi_rts_wq12:25:123
9623992620,260cyclictest19434-21kworker/u16:0+efi_rts_wq11:45:121
9621992620,260cyclictest8556-21kworker/u16:1+efi_rts_wq07:45:140
9626992610,260cyclictest8556-21kworker/u16:1+efi_rts_wq07:35:123
9626992600,258cyclictest8556-21kworker/u16:1+efi_rts_wq09:15:123
9624992590,258cyclictest19434-21kworker/u16:0+efi_rts_wq10:15:112
9623992580,257cyclictest8556-21kworker/u16:1+efi_rts_wq07:35:111
9623992570,256cyclictest19434-21kworker/u16:0+efi_rts_wq08:25:141
9626992550,254cyclictest19434-21kworker/u16:0+efi_rts_wq09:52:513
9623992550,254cyclictest18173-21kworker/u16:3+efi_rts_wq11:55:131
9626992540,252cyclictest5178-21kworker/u16:2+efi_rts_wq10:48:003
9626992530,252cyclictest19434-21kworker/u16:0+efi_rts_wq08:20:123
9623992520,251cyclictest8556-21kworker/u16:1+efi_rts_wq09:20:121
9626992500,249cyclictest19434-21kworker/u16:0+efi_rts_wq08:12:343
9624992490,248cyclictest19434-21kworker/u16:0+efi_rts_wq11:33:092
9623992480,247cyclictest19434-21kworker/u16:0+efi_rts_wq10:22:571
9626992470,246cyclictest8556-21kworker/u16:1+efi_rts_wq07:57:313
9626992460,245cyclictest18173-21kworker/u16:3+efi_rts_wq11:10:123
9626992440,243cyclictest19434-21kworker/u16:0+efi_rts_wq07:30:133
9626992430,241cyclictest19434-21kworker/u16:0+efi_rts_wq10:50:133
9623992430,242cyclictest19434-21kworker/u16:0+efi_rts_wq07:55:141
9621992420,241cyclictest19434-21kworker/u16:0+efi_rts_wq07:25:130
9623992410,240cyclictest19434-21kworker/u16:0+efi_rts_wq09:25:121
9621992400,239cyclictest8556-21kworker/u16:1+efi_rts_wq09:55:100
9623992390,238cyclictest19434-21kworker/u16:0+efi_rts_wq09:07:431
9623992380,237cyclictest19434-21kworker/u16:0+efi_rts_wq12:08:161
9626992340,233cyclictest8556-21kworker/u16:1+efi_rts_wq07:50:133
9626992330,232cyclictest19434-21kworker/u16:0+efi_rts_wq08:05:143
9624992330,231cyclictest8556-21kworker/u16:1+efi_rts_wq10:50:122
9626992320,231cyclictest8556-21kworker/u16:1+efi_rts_wq07:42:293
9623992320,231cyclictest8556-21kworker/u16:1+efi_rts_wq09:00:131
9624992310,230cyclictest19434-21kworker/u16:0+efi_rts_wq11:15:122
9621992310,230cyclictest19434-21kworker/u16:0+efi_rts_wq08:47:400
9621992310,230cyclictest19434-21kworker/u16:0+efi_rts_wq07:20:130
9626992300,229cyclictest18173-21kworker/u16:3+efi_rts_wq11:40:123
9626992300,229cyclictest18173-21kworker/u16:3+efi_rts_wq11:40:113
9624992300,229cyclictest8556-21kworker/u16:1+efi_rts_wq08:57:412
9621992300,229cyclictest19434-21kworker/u16:0+efi_rts_wq10:45:120
9626992270,226cyclictest8556-21kworker/u16:1+efi_rts_wq07:15:123
9624992260,225cyclictest19434-21kworker/u16:0+efi_rts_wq09:10:142
9624992260,224cyclictest5178-21kworker/u16:2+efi_rts_wq10:55:122
9623992260,225cyclictest8556-21kworker/u16:1+efi_rts_wq09:35:121
9624992250,224cyclictest8556-21kworker/u16:1+efi_rts_wq07:15:122
9626992240,223cyclictest19434-21kworker/u16:0+efi_rts_wq12:23:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional