You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-22 - 18:13

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 Apr 22, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
695969212262,56sleep30-21swapper/33
73044421150,2sleep20-21swapper/22
69587028759,10sleep10-21swapper/11
69604428465,12sleep20-21swapper/22
69600527653,14sleep00-21swapper/00
9830142330,1sleep272-21kcompactd02
10603482300,1sleep10-21swapper/11
696160992217,3cyclictest8501522chrt3
69616099221,17cyclictest1123031-21taskset3
69616099203,14cyclictest66950irq/132-enp1s0-TxRx-33
69616099202,7cyclictest1193895-21taskset3
69616099201,7cyclictest0-21swapper/33
69616099201,4cyclictest800318-21chrt3
69616099201,16cyclictest893895-21chrt3
69616099201,16cyclictest0-21swapper/33
69616099200,16cyclictest0-21swapper/33
10638912200,8sleep134-21ksoftirqd/11
8323722191,14sleep0832383-21ssh0
7810842191,9sleep1782814-21latency1
69616099198,8cyclictest821421-21turbostat3
69616099191,6cyclictest0-21swapper/33
69616099191,15cyclictest0-21swapper/33
69616099191,15cyclictest0-21swapper/33
69616099191,14cyclictest1169421-21taskset3
69616099191,14cyclictest0-21swapper/33
69616099191,14cyclictest0-21swapper/33
69616099191,14cyclictest0-21swapper/33
69616099191,14cyclictest0-21swapper/33
69616099190,17cyclictest0-21swapper/33
8316332181,13sleep2831676-21mailstats2
69616099184,2cyclictest0-21swapper/33
696160991813,3cyclictest0-21swapper/33
69616099181,14cyclictest0-21swapper/33
69616099181,14cyclictest0-21swapper/33
69616099181,14cyclictest0-21swapper/33
69616099181,14cyclictest0-21swapper/33
69616099181,14cyclictest0-21swapper/33
69616099181,14cyclictest0-21swapper/33
69616099181,14cyclictest0-21swapper/33
69616099181,14cyclictest0-21swapper/33
69616099181,14cyclictest0-21swapper/33
69616099181,13cyclictest0-21swapper/33
696160991810,5cyclictest66950irq/132-enp1s0-TxRx-33
69616099180,13cyclictest0-21swapper/33
69616099180,12cyclictest0-21swapper/33
10986432181,2sleep00-21swapper/00
9911602171,2sleep00-21swapper/00
9441342172,8sleep1945212-21memory1
9397112171,5sleep0826766-21diskmemload0
9042062171,3sleep00-21swapper/00
696160991714,1cyclictest0-21swapper/33
69616099171,13cyclictest0-21swapper/33
69616099171,13cyclictest0-21swapper/33
69616099171,13cyclictest0-21swapper/33
69616099171,13cyclictest0-21swapper/33
69616099171,13cyclictest0-21swapper/33
69616099171,13cyclictest0-21swapper/33
69616099171,13cyclictest0-21swapper/33
69616099170,14cyclictest0-21swapper/33
69616099170,14cyclictest0-21swapper/33
9988502161,4sleep0826766-21diskmemload0
9827922161,4sleep0826766-21diskmemload0
8607472161,3sleep20-21swapper/22
69616099166,5cyclictest7789072sleep33
69616099161,3cyclictest0-21swapper/33
69616099160,13cyclictest0-21swapper/33
69616099160,13cyclictest0-21swapper/33
69616099160,13cyclictest0-21swapper/33
69616099160,13cyclictest0-21swapper/33
69616099160,12cyclictest0-21swapper/33
11844942160,1sleep00-21swapper/00
11836102161,3sleep20-21swapper/22
11661622161,4sleep0826766-21diskmemload0
11563332161,4sleep1826766-21diskmemload1
11426272161,4sleep2826766-21diskmemload2
9648152151,10sleep1964825-21ssh1
9172102151,10sleep1918934-21latency1
69616099153,8cyclictest0-21swapper/33
69616099151,3cyclictest0-21swapper/33
69616099151,2cyclictest0-21swapper/33
69616099150,13cyclictest0-21swapper/33
69616099150,12cyclictest0-21swapper/33
69616099150,12cyclictest0-21swapper/33
69616099150,12cyclictest0-21swapper/33
11314752151,2sleep20-21swapper/22
10603362151,8sleep0826766-21diskmemload0
10354812151,4sleep2826766-21diskmemload2
10286302151,9sleep0826766-21diskmemload0
9935322141,3sleep1826766-21diskmemload1
9277102141,4sleep0927858-21sh0
7305452140,9sleep0730206-31find0
69616099149,3cyclictest0-21swapper/33
69616099144,6cyclictest0-21swapper/33
69616099141,2cyclictest0-21swapper/33
69616099140,2cyclictest0-21swapper/33
69616099140,12cyclictest0-21swapper/33
69616099140,12cyclictest0-21swapper/33
11484372141,4sleep11148448-21ssh1
11385922141,8sleep21138847-21users2
11131962141,2sleep00-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional