You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-04 - 18:20

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 04, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
488353212161,55sleep30-21swapper/33
488353212161,55sleep30-21swapper/33
48832728668,12sleep20-21swapper/22
48832728668,12sleep20-21swapper/22
48801228660,7sleep00-21swapper/00
48801228660,7sleep00-21swapper/00
48811128152,11sleep10-21swapper/11
48811128152,11sleep10-21swapper/11
7376172281,2sleep20-21swapper/22
8085532221,16sleep0808820-21df0
48853499221,17cyclictest0-21swapper/33
488534992117,2cyclictest0-21swapper/33
48853499211,16cyclictest0-21swapper/33
8404402202,8sleep2616491-21diskmemload2
8317342201,8sleep0616491-21diskmemload0
48853499202,13cyclictest730058-21chrt3
48853499201,6cyclictest6683512sleep33
48853499201,16cyclictest0-21swapper/33
48853499201,15cyclictest0-21swapper/33
48853499201,15cyclictest0-21swapper/33
48853499201,14cyclictest0-21swapper/33
48853499200,17cyclictest0-21swapper/33
48853499193,11cyclictest885918-21taskset3
48853499192,14cyclictest66950irq/132-enp1s0-TxRx-33
488534991912,5cyclictest0-21swapper/33
488534991912,4cyclictest0-21swapper/33
488534991911,6cyclictest0-21swapper/33
48853499191,15cyclictest0-21swapper/33
48853499191,15cyclictest0-21swapper/33
48853499191,15cyclictest0-21swapper/33
48853499191,14cyclictest0-21swapper/33
48853499191,14cyclictest0-21swapper/33
48853499191,14cyclictest0-21swapper/33
48853499191,14cyclictest0-21swapper/33
48853499191,14cyclictest0-21swapper/33
48853499191,14cyclictest0-21swapper/33
48853499190,15cyclictest0-21swapper/33
6948092181,12sleep2694855-21cat2
48853499181,14cyclictest0-21swapper/33
48853499181,14cyclictest0-21swapper/33
48853499181,14cyclictest0-21swapper/33
48853499181,14cyclictest0-21swapper/33
48853499181,14cyclictest0-21swapper/33
48853499181,14cyclictest0-21swapper/33
48853499181,13cyclictest0-21swapper/33
48853499181,13cyclictest0-21swapper/33
48853499181,13cyclictest0-21swapper/33
48853499180,16cyclictest0-21swapper/33
48853499180,15cyclictest0-21swapper/33
48853499180,14cyclictest0-21swapper/33
48853499180,14cyclictest0-21swapper/33
8674042171,8sleep10-21swapper/11
7561462171,4sleep1616491-21diskmemload1
7262992171,5sleep0726313-21ssh0
48853499172,11cyclictest629181-21taskset3
488534991712,3cyclictest66950irq/132-enp1s0-TxRx-33
48853499171,13cyclictest720972-21turbostat3
48853499171,13cyclictest0-21swapper/33
48853499170,15cyclictest0-21swapper/33
48853499170,14cyclictest0-21swapper/33
48853499170,14cyclictest0-21swapper/33
48853499170,13cyclictest0-21swapper/33
48853499170,13cyclictest0-21swapper/33
48853499170,13cyclictest0-21swapper/33
9445192161,2sleep10-21swapper/11
8915382161,5sleep1891549-21ssh1
8784272165,7sleep139542-21systemd-journal1
7697222161,3sleep00-21swapper/00
7609812161,4sleep0616491-21diskmemload0
5473252161,11sleep1547413-21ps1
48853499162,10cyclictest511737-21chrt3
48853499161,12cyclictest0-21swapper/33
488534991610,4cyclictest0-21swapper/33
48853499160,13cyclictest0-21swapper/33
48853499160,13cyclictest0-21swapper/33
9377832151,3sleep20-21swapper/22
7035812151,10sleep2703818-21packagekitd2
5753052151,6sleep2576692-21grep2
48853499158,4cyclictest4887312chrt3
488534991512,2cyclictest0-21swapper/33
488534991512,1cyclictest0-21swapper/33
48853499150,13cyclictest0-21swapper/33
48853499150,12cyclictest0-21swapper/33
48853499150,12cyclictest0-21swapper/33
48853499150,12cyclictest0-21swapper/33
8953642141,2sleep00-21swapper/00
8607722142,6sleep0861039-21df0
8427712140,2sleep00-21swapper/00
7929782141,9sleep20-21swapper/22
7008212145,5sleep0151ktimers/00
6680072141,8sleep0616491-21diskmemload0
6598562141,9sleep1616491-21diskmemload1
6486072141,3sleep00-21swapper/00
6345842141,3sleep0634682-21tune2fs0
48853499141,11cyclictest5322242sleep33
48853499140,2cyclictest0-21swapper/33
48853499140,12cyclictest0-21swapper/33
48853499140,11cyclictest0-21swapper/33
9723472131,5sleep10-21swapper/11
9379692131,8sleep0937982-21ssh0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional