You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-26 - 00:03

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 #3, 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
  TQ-Systems
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 rack3slot3s.osadl.org (updated Tue Aug 25, 2026 12:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
206567212159,57sleep30-21swapper/33
20645129981,12sleep20-21swapper/22
20655929273,12sleep10-21swapper/11
20631027955,17sleep00-21swapper/00
206784992218,2cyclictest0-21swapper/33
206784992212,7cyclictest224266-21chrt3
6885712211,5sleep20-21swapper/22
6885712211,5sleep20-21swapper/22
5598332211,12sleep1559844-21ssh1
20678499219,7cyclictest413561-21turbostat3
20678499210,17cyclictest0-21swapper/33
20678499210,17cyclictest0-21swapper/33
20678499202,13cyclictest671933-21turbostat3
20678499201,15cyclictest0-21swapper/33
206784992010,6cyclictest2826312sleep33
5491122191,2sleep00-21swapper/00
20678499192,14cyclictest0-21swapper/33
206784991916,1cyclictest0-21swapper/33
20678499191,15cyclictest0-21swapper/33
20678499191,14cyclictest0-21swapper/33
20678499191,14cyclictest0-21swapper/33
20678499191,14cyclictest0-21swapper/33
20678499191,14cyclictest0-21swapper/33
20678499191,14cyclictest0-21swapper/33
20678499191,14cyclictest0-21swapper/33
20678499191,14cyclictest0-21swapper/33
20678499191,14cyclictest0-21swapper/33
20678499191,14cyclictest0-21swapper/33
20678499191,14cyclictest0-21swapper/33
6600662181,2sleep10-21swapper/11
6600662181,2sleep10-21swapper/11
20678499183,13cyclictest427637-21taskset3
20678499181,15cyclictest0-21swapper/33
20678499181,15cyclictest0-21swapper/33
206784991811,4cyclictest0-21swapper/33
206784991811,4cyclictest0-21swapper/33
20678499181,14cyclictest0-21swapper/33
20678499181,14cyclictest0-21swapper/33
20678499181,14cyclictest0-21swapper/33
20678499181,14cyclictest0-21swapper/33
20678499181,13cyclictest2506492sleep33
20678499181,13cyclictest0-21swapper/33
20678499181,13cyclictest0-21swapper/33
20678499181,13cyclictest0-21swapper/33
20678499181,13cyclictest0-21swapper/33
20678499181,13cyclictest0-21swapper/33
20678499181,11cyclictest449294-21taskset3
20678499181,11cyclictest449294-21taskset3
20678499180,14cyclictest0-21swapper/33
20678499180,14cyclictest0-21swapper/33
5229252171,3sleep10-21swapper/11
4979892171,2sleep00-21swapper/00
4628202171,7sleep2462834-21ssh2
4486602171,5sleep2448695-21ssh2
4486602171,5sleep2448695-21ssh2
2668802170,2sleep00-21swapper/00
20678499171,3cyclictest66950irq/132-enp1s0-TxRx-33
20678499171,14cyclictest0-21swapper/33
20678499171,13cyclictest0-21swapper/33
20678499171,13cyclictest0-21swapper/33
20678499171,13cyclictest0-21swapper/33
20678499171,13cyclictest0-21swapper/33
20678499171,13cyclictest0-21swapper/33
20678499171,13cyclictest0-21swapper/33
20678499171,12cyclictest0-21swapper/33
20678499170,1cyclictest0-21swapper/33
20678499170,14cyclictest0-21swapper/33
20678499170,14cyclictest0-21swapper/33
20678499170,13cyclictest0-21swapper/33
6034492160,1sleep00-21swapper/00
5936852161,4sleep2334906-21diskmemload2
5766892161,3sleep10-21swapper/11
4313772160,2sleep10-21swapper/11
3606562161,3sleep1334906-21diskmemload1
3022872160,1sleep00-21swapper/00
20678499161,3cyclictest0-21swapper/33
20678499161,12cyclictest0-21swapper/33
20678499160,13cyclictest0-21swapper/33
20678499160,13cyclictest0-21swapper/33
20678499160,13cyclictest0-21swapper/33
20678499160,13cyclictest0-21swapper/33
20678499160,12cyclictest0-21swapper/33
6815072151,10sleep0681541-21kthreadcore0
6815072151,10sleep0681541-21kthreadcore0
5930782151,10sleep0593088-21ssh0
4820662151,4sleep2334906-21diskmemload2
206784991512,1cyclictest0-21swapper/33
20678499150,13cyclictest0-21swapper/33
20678499150,13cyclictest0-21swapper/33
20678499150,12cyclictest0-21swapper/33
20678499150,12cyclictest0-21swapper/33
6533862141,8sleep1334906-21diskmemload1
6058522141,8sleep2607503-21cut2
5683212141,8sleep0334906-21diskmemload0
5233452141,8sleep2334906-21diskmemload2
5059172141,8sleep0334906-21diskmemload0
4901542141,6sleep10-21swapper/11
3876002140,1sleep20-21swapper/22
3843982141,6sleep00-21swapper/00
3406902141,2sleep10-21swapper/11
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional