You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-03 - 17:18
OSADL QA Farm

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 system in rack #a, slot #4

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.

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 rackaslot4.osadl.org (updated Sun May 03, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
135459799308,18cyclictest157-21kworker/2:1-events_freezable2
135459799306,18cyclictest157-21kworker/2:1-events_freezable2
135459799303,20cyclictest157-21kworker/2:1-events_freezable2
135459799296,17cyclictest157-21kworker/2:1-events_freezable2
135459799296,17cyclictest157-21kworker/2:1-events_freezable2
135459799286,17cyclictest157-21kworker/2:1-events_freezable2
135459799276,16cyclictest157-21kworker/2:1-events_freezable2
135459799275,16cyclictest157-21kworker/2:1-events_freezable2
135459799275,16cyclictest157-21kworker/2:1-events_freezable2
135459799273,18cyclictest157-21kworker/2:1-events_freezable2
135459799273,17cyclictest157-21kworker/2:1-events_freezable2
135459799272,18cyclictest157-21kworker/2:1-events_freezable2
135459799266,16cyclictest157-21kworker/2:1-events_freezable2
135459799266,16cyclictest157-21kworker/2:1-events_freezable2
135459799266,15cyclictest157-21kworker/2:1-events_freezable2
135459799265,16cyclictest157-21kworker/2:1-events_freezable2
135459799265,16cyclictest157-21kworker/2:1-events_freezable2
135459799265,16cyclictest157-21kworker/2:1-events_freezable2
135459799265,15cyclictest157-21kworker/2:1-events_freezable2
135459799264,16cyclictest157-21kworker/2:1-events_freezable2
135459799264,16cyclictest157-21kworker/2:1-events_freezable2
135459799263,17cyclictest157-21kworker/2:1-events_freezable2
135459799263,16cyclictest157-21kworker/2:1-events_freezable2
135459799263,16cyclictest157-21kworker/2:1-events_freezable2
135459799262,17cyclictest157-21kworker/2:1-events_freezable2
135459799262,17cyclictest157-21kworker/2:1-events_freezable2
135459799262,17cyclictest157-21kworker/2:1-events_freezable2
135459799262,17cyclictest157-21kworker/2:1-events_freezable2
135459799255,15cyclictest157-21kworker/2:1-events_freezable2
135459799255,15cyclictest157-21kworker/2:1-events_freezable2
135459799255,14cyclictest157-21kworker/2:1-events_freezable2
135459799255,14cyclictest157-21kworker/2:1-events_freezable2
135459799254,15cyclictest157-21kworker/2:1-events_freezable2
135459799254,15cyclictest157-21kworker/2:1-events_freezable2
135459799252,16cyclictest157-21kworker/2:1-events_freezable2
135459799252,16cyclictest157-21kworker/2:1-events_freezable2
135459799245,15cyclictest157-21kworker/2:1-events_freezable2
135459799245,14cyclictest157-21kworker/2:1-events_freezable2
135459799244,15cyclictest157-21kworker/2:1-events_freezable2
135459799244,15cyclictest157-21kworker/2:1-events_freezable2
135459799244,15cyclictest157-21kworker/2:1-events_freezable2
135459799235,14cyclictest157-21kworker/2:1-events_freezable2
135459799234,15cyclictest157-21kworker/2:1-events_freezable2
135459799234,14cyclictest157-21kworker/2:1-events_freezable2
135459799233,15cyclictest157-21kworker/2:1-events_freezable2
135459799231,16cyclictest157-21kworker/2:1-events_freezable2
135459799231,16cyclictest157-21kworker/2:1-events_freezable2
135459799224,14cyclictest157-21kworker/2:1-events_freezable2
135459799224,14cyclictest157-21kworker/2:1-events_freezable2
135459799224,14cyclictest157-21kworker/2:1-events_freezable2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional