You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-15 - 02:15

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 Thu May 14, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
113722318311,5sleep30-21swapper/307:05:263
115042315302,4sleep00-21swapper/007:07:070
114802315307,5sleep10-21swapper/107:06:481
116262314306,5sleep20-21swapper/207:08:422
11995993020,300cyclictest32285-21kworker/u16:1+efi_rts_wq11:45:123
11992993000,299cyclictest26105-21kworker/u16:2+efi_rts_wq11:30:110
11995992970,296cyclictest8409-21kworker/u16:2+efi_rts_wq08:25:133
11993992960,295cyclictest7163-21kworker/u16:3+efi_rts_wq12:25:111
11994992950,294cyclictest15244-21kworker/u16:1+efi_rts_wq08:10:112
11993992950,294cyclictest26105-21kworker/u16:2+efi_rts_wq11:30:111
11993992930,292cyclictest15244-21kworker/u16:1+efi_rts_wq09:50:111
11993992930,291cyclictest15244-21kworker/u16:1+efi_rts_wq10:40:121
11992992930,292cyclictest21199-21kworker/u16:0+efi_rts_wq11:40:120
11995992920,291cyclictest8409-21kworker/u16:2+efi_rts_wq08:55:133
11994992920,290cyclictest8409-21kworker/u16:2+efi_rts_wq08:25:132
11993992920,291cyclictest15244-21kworker/u16:1+efi_rts_wq10:23:241
11995992910,290cyclictest15244-21kworker/u16:1+efi_rts_wq10:05:103
11993992910,290cyclictest15244-21kworker/u16:1+efi_rts_wq09:30:121
11992992900,289cyclictest15244-21kworker/u16:1+efi_rts_wq10:20:130
11992992890,288cyclictest32285-21kworker/u16:1+efi_rts_wq11:58:400
11995992880,287cyclictest8409-21kworker/u16:2+efi_rts_wq07:32:523
11994992880,287cyclictest15244-21kworker/u16:1+efi_rts_wq10:40:122
11994992870,286cyclictest15244-21kworker/u16:1+efi_rts_wq09:50:112
11994992870,285cyclictest8409-21kworker/u16:2+efi_rts_wq08:05:132
11992992870,284cyclictest26105-21kworker/u16:2+efi_rts_wq11:50:120
11994992860,285cyclictest15244-21kworker/u16:1+efi_rts_wq09:20:122
11993992860,285cyclictest15244-21kworker/u16:1+efi_rts_wq09:58:201
11994992850,284cyclictest8409-21kworker/u16:2+efi_rts_wq08:40:132
11993992850,284cyclictest15244-21kworker/u16:1+efi_rts_wq08:20:111
11993992840,283cyclictest15244-21kworker/u16:1+efi_rts_wq08:53:071
11992992840,283cyclictest8409-21kworker/u16:2+efi_rts_wq07:50:120
11995992830,282cyclictest8409-21kworker/u16:2+efi_rts_wq09:25:133
11994992830,282cyclictest8409-21kworker/u16:2+efi_rts_wq10:25:132
11994992830,282cyclictest8409-21kworker/u16:2+efi_rts_wq09:35:112
11995992820,281cyclictest7163-21kworker/u16:3+efi_rts_wq12:00:123
11994992820,280cyclictest15244-21kworker/u16:1+efi_rts_wq07:15:012
11995992810,280cyclictest8409-21kworker/u16:2+efi_rts_wq10:28:243
11995992800,279cyclictest15244-21kworker/u16:1+efi_rts_wq07:40:123
11993992800,279cyclictest8409-21kworker/u16:2+efi_rts_wq09:43:171
11993992780,277cyclictest13521-21kworker/u16:4+efi_rts_wq11:00:131
11995992770,276cyclictest8409-21kworker/u16:2+efi_rts_wq09:45:133
11993992750,274cyclictest8409-21kworker/u16:2+efi_rts_wq09:15:121
11995992730,272cyclictest15244-21kworker/u16:1+efi_rts_wq09:20:113
11993992730,271cyclictest15244-21kworker/u16:1+efi_rts_wq10:55:131
11992992730,271cyclictest13521-21kworker/u16:4+efi_rts_wq11:00:120
11995992720,270cyclictest15244-21kworker/u16:1+efi_rts_wq07:35:123
11994992720,270cyclictest822-21kworker/u16:3+efi_rts_wq10:35:132
11993992720,271cyclictest8409-21kworker/u16:2+efi_rts_wq07:20:111
11992992720,271cyclictest8409-21kworker/u16:2+efi_rts_wq09:40:130
11994992680,267cyclictest8409-21kworker/u16:2+efi_rts_wq08:00:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional