You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-09 - 12:09

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 Sun Nov 09, 2025 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24032317310,5sleep20-21swapper/219:07:062
24452316308,5sleep00-21swapper/019:07:360
24782315307,5sleep30-21swapper/319:08:033
24222314306,5sleep10-21swapper/119:07:211
2894992960,295cyclictest4903-21kworker/u16:3+efi_rts_wq21:55:111
2893992960,295cyclictest29206-21kworker/u16:2+efi_rts_wq22:20:130
2896992950,294cyclictest29206-21kworker/u16:2+efi_rts_wq22:10:453
2896992950,293cyclictest31789-21kworker/u16:1+efi_rts_wq23:45:143
2893992930,292cyclictest4489-21kworker/u16:0+efi_rts_wq23:10:160
2893992920,291cyclictest29206-21kworker/u16:2+efi_rts_wq22:40:120
2893992910,290cyclictest29206-21kworker/u16:2+efi_rts_wq22:30:480
2893992910,290cyclictest29206-21kworker/u16:2+efi_rts_wq21:10:140
2893992910,290cyclictest29206-21kworker/u16:2+efi_rts_wq21:10:130
2896992900,289cyclictest621-21kworker/u16:2+efi_rts_wq00:15:133
2893992900,289cyclictest621-21kworker/u16:2+efi_rts_wq00:16:090
2896992891,287cyclictest4903-21kworker/u16:3+efi_rts_wq19:50:153
2895992890,288cyclictest4903-21kworker/u16:3+efi_rts_wq20:30:262
2893992860,285cyclictest4903-21kworker/u16:3+efi_rts_wq20:00:130
2896992850,284cyclictest7035-21kworker/u16:2+efi_rts_wq23:20:123
2895992850,284cyclictest4903-21kworker/u16:3+efi_rts_wq21:55:102
2895992850,284cyclictest4489-21kworker/u16:0+efi_rts_wq23:10:152
2896992830,282cyclictest4903-21kworker/u16:3+efi_rts_wq19:15:013
2893992830,282cyclictest4903-21kworker/u16:3+efi_rts_wq21:20:130
2893992830,282cyclictest29206-21kworker/u16:2+efi_rts_wq21:45:130
2894992820,281cyclictest29206-21kworker/u16:2+efi_rts_wq21:35:131
2896992800,279cyclictest4903-21kworker/u16:3+efi_rts_wq20:50:173
2893992800,279cyclictest621-21kworker/u16:2+efi_rts_wq00:30:140
2894992790,278cyclictest31789-21kworker/u16:1+efi_rts_wq23:00:111
2894992790,278cyclictest29206-21kworker/u16:2+efi_rts_wq21:15:341
2894992780,277cyclictest29206-21kworker/u16:2+efi_rts_wq22:05:141
2893992780,277cyclictest4903-21kworker/u16:3+efi_rts_wq19:20:150
2896992770,276cyclictest4903-21kworker/u16:3+efi_rts_wq22:30:143
2893992760,275cyclictest31789-21kworker/u16:1+efi_rts_wq00:10:170
2896992750,274cyclictest31789-21kworker/u16:1+efi_rts_wq00:20:123
2893992740,273cyclictest4903-21kworker/u16:3+efi_rts_wq19:45:180
2894992720,271cyclictest4489-21kworker/u16:0+efi_rts_wq23:26:011
2893992720,271cyclictest29206-21kworker/u16:2+efi_rts_wq19:25:150
2896992710,270cyclictest29206-21kworker/u16:2+efi_rts_wq19:55:133
2895992710,270cyclictest31789-21kworker/u16:1+efi_rts_wq22:55:132
2896992700,269cyclictest29206-21kworker/u16:2+efi_rts_wq21:25:153
2895992690,268cyclictest4489-21kworker/u16:0+efi_rts_wq23:40:132
2894992690,268cyclictest29206-21kworker/u16:2+efi_rts_wq19:55:191
2896992660,265cyclictest4903-21kworker/u16:3+efi_rts_wq21:30:133
2896992660,265cyclictest4903-21kworker/u16:3+efi_rts_wq20:30:143
2896992660,265cyclictest29206-21kworker/u16:2+efi_rts_wq22:45:133
2896992650,264cyclictest4903-21kworker/u16:3+efi_rts_wq20:20:143
2896992640,263cyclictest31789-21kworker/u16:1+efi_rts_wq00:25:153
2894992640,263cyclictest29206-21kworker/u16:2+efi_rts_wq21:10:141
2894992640,263cyclictest29206-21kworker/u16:2+efi_rts_wq21:10:141
2894992640,263cyclictest29206-21kworker/u16:2+efi_rts_wq19:40:131
2895992610,260cyclictest29206-21kworker/u16:2+efi_rts_wq20:25:142
2896992600,259cyclictest29206-21kworker/u16:2+efi_rts_wq20:40:283
2895992590,258cyclictest7035-21kworker/u16:2+efi_rts_wq23:15:132
2895992590,258cyclictest4903-21kworker/u16:3+efi_rts_wq21:45:392
2894992570,256cyclictest31789-21kworker/u16:1+efi_rts_wq23:35:141
2896992560,255cyclictest4903-21kworker/u16:3+efi_rts_wq20:15:143
2894992550,254cyclictest4903-21kworker/u16:3+efi_rts_wq21:00:121
2893992540,253cyclictest4903-21kworker/u16:3+efi_rts_wq20:05:160
2893992530,252cyclictest4489-21kworker/u16:0+efi_rts_wq23:25:130
2895992520,251cyclictest29206-21kworker/u16:2+efi_rts_wq22:50:532
2895992510,250cyclictest29206-21kworker/u16:2+efi_rts_wq19:15:132
2894992500,249cyclictest4903-21kworker/u16:3+efi_rts_wq22:25:481
2893992500,249cyclictest7035-21kworker/u16:2+efi_rts_wq23:20:130
2894992490,248cyclictest29206-21kworker/u16:2+efi_rts_wq21:25:341
2896992450,244cyclictest29206-21kworker/u16:2+efi_rts_wq20:10:143
2896992410,240cyclictest29206-21kworker/u16:2+efi_rts_wq22:35:143
2895992410,240cyclictest4903-21kworker/u16:3+efi_rts_wq22:25:162
2894992410,240cyclictest31789-21kworker/u16:1+efi_rts_wq00:21:101
2893992400,239cyclictest4903-21kworker/u16:3+efi_rts_wq21:30:370
2896992390,238cyclictest4489-21kworker/u16:0+efi_rts_wq23:00:563
2893992370,236cyclictest31789-21kworker/u16:1+efi_rts_wq23:45:130
2894992360,235cyclictest19151-21kworker/u16:3+efi_rts_wq23:56:061
2893992360,235cyclictest4903-21kworker/u16:3+efi_rts_wq20:15:140
2893992360,235cyclictest29206-21kworker/u16:2+efi_rts_wq19:35:160
2895992350,234cyclictest621-21kworker/u16:2+efi_rts_wq00:00:122
2894992350,234cyclictest4903-21kworker/u16:3+efi_rts_wq20:35:131
2894992350,234cyclictest4903-21kworker/u16:3+efi_rts_wq19:30:161
2894992340,233cyclictest4903-21kworker/u16:3+efi_rts_wq21:40:151
2893992340,233cyclictest29206-21kworker/u16:2+efi_rts_wq21:05:130
2896992330,232cyclictest4903-21kworker/u16:3+efi_rts_wq21:05:323
2894992330,232cyclictest621-21kworker/u16:2+efi_rts_wq00:06:081
2894992310,230cyclictest621-21kworker/u16:2+efi_rts_wq00:15:121
2894992300,229cyclictest29206-21kworker/u16:2+efi_rts_wq22:50:121
2894992290,228cyclictest29206-21kworker/u16:2+efi_rts_wq20:55:131
2896992240,223cyclictest4903-21kworker/u16:3+efi_rts_wq21:55:423
2896992230,222cyclictest4489-21kworker/u16:0+efi_rts_wq23:30:133
2896992230,222cyclictest29206-21kworker/u16:2+efi_rts_wq19:10:123
2895992230,222cyclictest29206-21kworker/u16:2+efi_rts_wq20:10:232
2893992220,221cyclictest4489-21kworker/u16:0+efi_rts_wq23:31:020
2893992210,220cyclictest4903-21kworker/u16:3+efi_rts_wq20:20:250
2893992190,218cyclictest31789-21kworker/u16:1+efi_rts_wq00:35:150
2893992180,217cyclictest29206-21kworker/u16:2+efi_rts_wq20:25:150
2895992150,214cyclictest4903-21kworker/u16:3+efi_rts_wq22:15:162
2894992090,208cyclictest29206-21kworker/u16:2+efi_rts_wq21:50:141
2896992080,207cyclictest29206-21kworker/u16:2+efi_rts_wq22:05:433
2896992070,206cyclictest29206-21kworker/u16:2+efi_rts_wq19:30:163
2896992060,205cyclictest19151-21kworker/u16:3+efi_rts_wq23:55:133
2896992050,204cyclictest4903-21kworker/u16:3+efi_rts_wq20:35:133
2896992050,204cyclictest29206-21kworker/u16:2+efi_rts_wq19:25:153
2895992020,201cyclictest29206-21kworker/u16:2+efi_rts_wq19:35:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional