You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-20 - 06:30

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 Wed May 20, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
638628211858,54sleep30-21swapper/33
64345428470,9sleep10-21swapper/11
64341627860,12sleep20-21swapper/22
64346427757,14sleep00-21swapper/00
64386699261,20cyclictest1132832-21turbostat3
643866992513,8cyclictest800751-21sleep3
64386699215,13cyclictest0-21swapper/33
64386699214,13cyclictest998924-21taskset3
64386699211,17cyclictest0-21swapper/33
7986552201,3sleep20-21swapper/22
64386699201,7cyclictest905631-21taskset3
643866992015,3cyclictest0-21swapper/33
643866992015,3cyclictest0-21swapper/33
643866992012,5cyclictest699027-21taskset3
64386699201,16cyclictest0-21swapper/33
64386699201,15cyclictest1078859-21taskset3
64386699201,15cyclictest0-21swapper/33
64386699201,15cyclictest0-21swapper/33
64386699201,14cyclictest1098313-21chrt3
64386699191,5cyclictest790788-21taskset3
64386699191,15cyclictest0-21swapper/33
64386699191,14cyclictest0-21swapper/33
64386699191,14cyclictest0-21swapper/33
64386699191,14cyclictest0-21swapper/33
64386699190,7cyclictest888046-21taskset3
64386699189,5cyclictest693915-21turbostat3
643866991812,3cyclictest0-21swapper/33
64386699181,14cyclictest938008-21chrt3
64386699181,14cyclictest0-21swapper/33
64386699181,14cyclictest0-21swapper/33
64386699181,14cyclictest0-21swapper/33
64386699181,14cyclictest0-21swapper/33
64386699181,14cyclictest0-21swapper/33
64386699181,14cyclictest0-21swapper/33
64386699181,13cyclictest0-21swapper/33
64386699181,13cyclictest0-21swapper/33
64386699180,2cyclictest0-21swapper/33
10686092181,3sleep10-21swapper/11
10501042181,3sleep20-21swapper/22
9412912171,3sleep10-21swapper/11
9232292171,2sleep00-21swapper/00
8241692171,3sleep20-21swapper/22
643866991714,2cyclictest0-21swapper/33
643866991713,2cyclictest0-21swapper/33
64386699171,14cyclictest0-21swapper/33
64386699171,13cyclictest1035362-21taskset3
64386699171,13cyclictest0-21swapper/33
64386699171,13cyclictest0-21swapper/33
64386699171,13cyclictest0-21swapper/33
64386699171,13cyclictest0-21swapper/33
64386699171,10cyclictest889030-21taskset3
64386699170,14cyclictest0-21swapper/33
64386699170,14cyclictest0-21swapper/33
64386699170,14cyclictest0-21swapper/33
64386699170,13cyclictest0-21swapper/33
10961142171,3sleep10-21swapper/11
7799922162,4sleep2774243-21diskmemload2
64386699164,9cyclictest731293-21turbostat3
64386699161,3cyclictest0-21swapper/33
64386699161,3cyclictest0-21swapper/33
643866991612,2cyclictest0-21swapper/33
64386699161,14cyclictest0-21swapper/33
64386699161,13cyclictest0-21swapper/33
64386699161,13cyclictest0-21swapper/33
643866991610,3cyclictest0-21swapper/33
64386699160,13cyclictest0-21swapper/33
64386699160,13cyclictest0-21swapper/33
64386699160,13cyclictest0-21swapper/33
10151162161,9sleep21015172-21ntpq2
8984772151,4sleep2899635-21cut2
8343272151,4sleep10-21swapper/11
7582532151,5sleep0758266-21latency_hist0
64386699150,13cyclictest0-21swapper/33
64386699150,12cyclictest0-21swapper/33
64386699150,12cyclictest0-21swapper/33
64386699150,12cyclictest0-21swapper/33
64386699150,12cyclictest0-21swapper/33
11318242151,2sleep20-21swapper/22
11043642150,11sleep11104377-21rm1
10772822151,3sleep00-21swapper/00
10624382151,3sleep0774243-21diskmemload0
10356802151,3sleep10-21swapper/11
10259172150,3sleep10-21swapper/11
9805212141,5sleep1980658-21systemctl1
9745452141,8sleep10-21swapper/11
9660672141,2sleep00-21swapper/00
9567252141,8sleep0774243-21diskmemload0
9454302141,8sleep2945581-21ntp_192.168.1142
9192822141,2sleep10-21swapper/11
9136952140,3sleep10-21swapper/11
9039912141,4sleep1904002-21ssh1
8461172141,9sleep1847737-21cut1
8067172140,2sleep10-21swapper/11
7629202141,3sleep1758511-21/usr/sbin/munin1
7268272140,2sleep20-21swapper/22
64386699148,3cyclictest672419-21chrt3
64386699141,2cyclictest0-21swapper/33
643866991411,2cyclictest0-21swapper/33
64386699140,2cyclictest0-21swapper/33
64386699140,11cyclictest0-21swapper/33
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional