You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-13 - 06:49

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 May 13, 2026 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219212329303,24sleep20-21swapper/219:08:302
219122322315,5sleep30-21swapper/319:08:223
217182318311,5sleep10-21swapper/119:05:521
218522315307,5sleep00-21swapper/019:07:350
22302993020,300cyclictest27416-21kworker/u16:2+efi_rts_wq20:15:130
22302993010,300cyclictest27416-21kworker/u16:2+efi_rts_wq21:05:120
22305993000,297cyclictest12573-21kworker/u16:1+efi_rts_wq00:25:143
22303993000,299cyclictest19847-21kworker/u16:0+efi_rts_wq19:55:121
22302993000,299cyclictest20875-21kworker/u16:1+efi_rts_wq23:00:140
22305992990,297cyclictest27416-21kworker/u16:2+efi_rts_wq22:30:113
22305992990,297cyclictest12573-21kworker/u16:1+efi_rts_wq00:05:123
22302992950,294cyclictest27416-21kworker/u16:2+efi_rts_wq19:20:130
22305992940,293cyclictest10236-21kworker/u16:0+efi_rts_wq23:45:123
22304992940,293cyclictest27416-21kworker/u16:2+efi_rts_wq21:50:122
22305992930,292cyclictest19847-21kworker/u16:0+efi_rts_wq21:10:163
22305992930,292cyclictest10236-21kworker/u16:0+efi_rts_wq00:10:153
22305992930,290cyclictest27416-21kworker/u16:2+efi_rts_wq20:05:143
22305992920,291cyclictest26033-21kworker/u16:3+efi_rts_wq23:30:123
22305992920,291cyclictest10236-21kworker/u16:0+efi_rts_wq00:21:043
22303992920,291cyclictest27416-21kworker/u16:2+efi_rts_wq19:35:131
22305992910,290cyclictest27416-21kworker/u16:2+efi_rts_wq22:15:123
22304992910,290cyclictest27416-21kworker/u16:2+efi_rts_wq22:15:412
22304992910,290cyclictest27416-21kworker/u16:2+efi_rts_wq20:50:132
22305992900,289cyclictest27416-21kworker/u16:2+efi_rts_wq19:55:123
22303992900,289cyclictest19847-21kworker/u16:0+efi_rts_wq19:30:131
22304992880,287cyclictest27416-21kworker/u16:2+efi_rts_wq22:45:132
22304992880,287cyclictest19847-21kworker/u16:0+efi_rts_wq22:25:122
22304992870,284cyclictest27416-21kworker/u16:2+efi_rts_wq21:15:132
22305992860,285cyclictest19847-21kworker/u16:0+efi_rts_wq20:35:113
22305992840,283cyclictest10236-21kworker/u16:0+efi_rts_wq00:00:133
22304992840,283cyclictest19847-21kworker/u16:0+efi_rts_wq19:10:122
22302992840,283cyclictest27416-21kworker/u16:2+efi_rts_wq19:25:060
22305992830,282cyclictest27416-21kworker/u16:2+efi_rts_wq19:50:123
22305992820,281cyclictest10236-21kworker/u16:0+efi_rts_wq00:31:063
22304992820,281cyclictest27416-21kworker/u16:2+efi_rts_wq20:15:132
22303992810,280cyclictest19847-21kworker/u16:0+efi_rts_wq21:40:121
22302992810,280cyclictest31029-21kworker/u16:0+efi_rts_wq23:25:130
22304992760,275cyclictest19847-21kworker/u16:0+efi_rts_wq21:25:142
22302992760,275cyclictest27416-21kworker/u16:2+efi_rts_wq22:15:120
22304992740,273cyclictest26033-21kworker/u16:3+efi_rts_wq23:10:142
22304992730,272cyclictest10236-21kworker/u16:0+efi_rts_wq23:55:122
22304992720,271cyclictest27416-21kworker/u16:2+efi_rts_wq20:10:142
22304992720,271cyclictest26033-21kworker/u16:3+efi_rts_wq23:35:132
22304992720,271cyclictest12573-21kworker/u16:1+efi_rts_wq00:15:132
22302992720,271cyclictest12573-21kworker/u16:1+efi_rts_wq00:25:130
22305992710,270cyclictest19847-21kworker/u16:0+efi_rts_wq19:25:143
22305992710,269cyclictest19847-21kworker/u16:0+efi_rts_wq23:05:123
22303992710,270cyclictest19847-21kworker/u16:0+efi_rts_wq20:00:121
22305992700,269cyclictest26033-21kworker/u16:3+efi_rts_wq23:25:543
22302992700,269cyclictest19847-21kworker/u16:0+efi_rts_wq20:20:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional