You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-22 - 20:09

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 50 highest latencies:
System rackcslot3s.osadl.org (updated Mon Dec 22, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59872322312,8sleep30-21swapper/307:09:273
59042322311,9sleep20-21swapper/207:08:222
56942318310,5sleep00-21swapper/007:05:400
59482316310,4sleep10-21swapper/107:08:571
6294993150,314cyclictest17646-21kworker/u16:3+efi_rts_wq08:10:141
6293993150,314cyclictest17646-21kworker/u16:3+efi_rts_wq07:20:150
6293993120,311cyclictest32487-21kworker/u16:0+efi_rts_wq07:17:420
6295993110,309cyclictest19141-21kworker/u16:2+efi_rts_wq10:50:122
6293993110,310cyclictest23293-21kworker/u16:0+efi_rts_wq12:20:120
6296993090,307cyclictest8384-21kworker/u16:3+efi_rts_wq11:35:153
6296993070,306cyclictest26471-21kworker/u16:0+efi_rts_wq10:35:133
6295993070,306cyclictest3240-21kworker/u16:1+efi_rts_wq10:05:142
6293993070,306cyclictest26471-21kworker/u16:0+efi_rts_wq10:48:190
6296993060,305cyclictest19141-21kworker/u16:2+efi_rts_wq09:55:143
6296993060,305cyclictest19141-21kworker/u16:2+efi_rts_wq09:55:143
6296993060,305cyclictest17646-21kworker/u16:3+efi_rts_wq07:55:133
6295993060,305cyclictest32487-21kworker/u16:0+efi_rts_wq07:27:432
6295993050,304cyclictest23293-21kworker/u16:0+efi_rts_wq12:30:162
6295993050,304cyclictest17646-21kworker/u16:3+efi_rts_wq07:45:152
6293993050,303cyclictest8384-21kworker/u16:3+efi_rts_wq11:40:140
6293993040,303cyclictest19141-21kworker/u16:2+efi_rts_wq09:13:030
6294993030,302cyclictest3240-21kworker/u16:1+efi_rts_wq09:00:141
6296993020,301cyclictest3240-21kworker/u16:1+efi_rts_wq09:30:143
6295993010,300cyclictest3240-21kworker/u16:1+efi_rts_wq08:42:572
6295993010,300cyclictest26471-21kworker/u16:0+efi_rts_wq10:35:132
6295993010,300cyclictest23293-21kworker/u16:0+efi_rts_wq12:13:362
6295993000,299cyclictest19141-21kworker/u16:2+efi_rts_wq08:55:152
6294993000,299cyclictest3240-21kworker/u16:1+efi_rts_wq08:30:141
6294992990,298cyclictest17646-21kworker/u16:3+efi_rts_wq07:22:431
6293992990,298cyclictest3240-21kworker/u16:1+efi_rts_wq09:50:130
6295992980,297cyclictest8384-21kworker/u16:3+efi_rts_wq11:28:282
6294992980,297cyclictest3240-21kworker/u16:1+efi_rts_wq09:58:131
6294992980,297cyclictest3240-21kworker/u16:1+efi_rts_wq09:58:121
6293992980,297cyclictest26471-21kworker/u16:0+efi_rts_wq10:35:130
6296992970,296cyclictest3240-21kworker/u16:1+efi_rts_wq08:52:593
6293992970,296cyclictest26471-21kworker/u16:0+efi_rts_wq10:53:210
6296992960,295cyclictest8384-21kworker/u16:3+efi_rts_wq11:18:263
6296992960,294cyclictest19141-21kworker/u16:2+efi_rts_wq11:00:123
6295992960,295cyclictest23293-21kworker/u16:0+efi_rts_wq11:30:122
6294992960,295cyclictest23293-21kworker/u16:0+efi_rts_wq12:23:371
6293992960,295cyclictest3240-21kworker/u16:1+efi_rts_wq09:15:120
6293992960,295cyclictest19141-21kworker/u16:2+efi_rts_wq11:00:130
6294992930,292cyclictest32487-21kworker/u16:0+efi_rts_wq07:50:141
6295992920,291cyclictest19141-21kworker/u16:2+efi_rts_wq10:40:142
6293992920,291cyclictest3240-21kworker/u16:1+efi_rts_wq08:40:140
6295992910,290cyclictest32487-21kworker/u16:0+efi_rts_wq08:02:502
6296992900,289cyclictest32487-21kworker/u16:0+efi_rts_wq08:00:133
6296992890,288cyclictest27954-21kworker/u16:2+efi_rts_wq12:15:143
6296992890,288cyclictest19141-21kworker/u16:2+efi_rts_wq08:35:163
6294992890,288cyclictest23293-21kworker/u16:0+efi_rts_wq12:10:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional