You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-07 - 23:37

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 50 highest latencies:
System rackcslot3s.osadl.org (updated Wed Jan 07, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57982339314,23sleep20-21swapper/207:05:262
58892330323,4sleep30-21swapper/307:06:353
58492319312,5sleep10-21swapper/107:06:051
58062317309,5sleep00-21swapper/007:05:320
6421993150,314cyclictest3282-21kworker/u16:2+efi_rts_wq09:57:021
6421993150,314cyclictest3282-21kworker/u16:2+efi_rts_wq09:57:021
6423993130,312cyclictest18016-21kworker/u16:0+efi_rts_wq07:50:133
6421993130,312cyclictest3282-21kworker/u16:2+efi_rts_wq09:05:131
6422993120,311cyclictest3282-21kworker/u16:2+efi_rts_wq08:15:142
6421993120,311cyclictest18016-21kworker/u16:0+efi_rts_wq07:36:341
6423993100,309cyclictest9044-21kworker/u16:1+efi_rts_wq12:15:133
6423993100,309cyclictest9044-21kworker/u16:1+efi_rts_wq11:42:223
6423993100,308cyclictest3282-21kworker/u16:2+efi_rts_wq10:30:143
6420993100,309cyclictest9044-21kworker/u16:1+efi_rts_wq12:20:120
6420993080,307cyclictest18016-21kworker/u16:0+efi_rts_wq08:55:140
6420993080,307cyclictest18016-21kworker/u16:0+efi_rts_wq08:05:120
6421993070,306cyclictest9044-21kworker/u16:1+efi_rts_wq11:10:131
6421993070,306cyclictest31300-21kworker/u16:1+efi_rts_wq10:42:111
6423993060,303cyclictest18016-21kworker/u16:0+efi_rts_wq10:25:143
6422993060,305cyclictest3282-21kworker/u16:2+efi_rts_wq07:55:132
6421993050,304cyclictest3282-21kworker/u16:2+efi_rts_wq11:22:181
6423993040,303cyclictest18016-21kworker/u16:0+efi_rts_wq07:26:333
6423993030,302cyclictest18016-21kworker/u16:0+efi_rts_wq07:20:133
6423993020,301cyclictest23512-21kworker/u16:0+efi_rts_wq12:02:253
6421993020,301cyclictest23512-21kworker/u16:0+efi_rts_wq12:17:271
6420993000,299cyclictest18016-21kworker/u16:0+efi_rts_wq07:15:130
6421992970,296cyclictest18016-21kworker/u16:0+efi_rts_wq08:05:121
6420992950,294cyclictest18016-21kworker/u16:0+efi_rts_wq08:01:410
6423992940,293cyclictest3956-21kworker/u16:0+efi_rts_wq10:50:133
6421992940,293cyclictest18016-21kworker/u16:0+efi_rts_wq09:30:121
6420992940,292cyclictest3282-21kworker/u16:2+efi_rts_wq11:15:120
6423992930,292cyclictest18016-21kworker/u16:0+efi_rts_wq08:30:123
6422992930,292cyclictest9044-21kworker/u16:1+efi_rts_wq11:40:112
6422992930,292cyclictest3282-21kworker/u16:2+efi_rts_wq11:30:112
6421992930,292cyclictest18016-21kworker/u16:0+efi_rts_wq09:20:121
6420992930,292cyclictest18016-21kworker/u16:0+efi_rts_wq09:47:000
6422992920,291cyclictest3282-21kworker/u16:2+efi_rts_wq09:26:562
6421992920,289cyclictest3282-21kworker/u16:2+efi_rts_wq11:05:121
6423992910,290cyclictest3282-21kworker/u16:2+efi_rts_wq08:50:133
6421992900,289cyclictest18016-21kworker/u16:0+efi_rts_wq10:15:121
6423992880,287cyclictest18016-21kworker/u16:0+efi_rts_wq07:40:143
6423992860,285cyclictest18016-21kworker/u16:0+efi_rts_wq08:20:133
6421992860,285cyclictest9044-21kworker/u16:1+efi_rts_wq12:10:111
6423992850,284cyclictest23512-21kworker/u16:0+efi_rts_wq12:22:283
6420992840,283cyclictest3282-21kworker/u16:2+efi_rts_wq09:10:130
6423992830,282cyclictest18016-21kworker/u16:0+efi_rts_wq10:00:123
6421992830,282cyclictest18016-21kworker/u16:0+efi_rts_wq07:25:121
6420992830,282cyclictest18016-21kworker/u16:0+efi_rts_wq07:10:140
6421992820,280cyclictest23512-21kworker/u16:0+efi_rts_wq11:35:101
6420992810,280cyclictest18016-21kworker/u16:0+efi_rts_wq10:20:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional