You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-20 - 12:27
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 20 highest latencies:
System rackaslot4.osadl.org (updated Thu Aug 20, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
410510199326,21cyclictest157-21kworker/2:1-events_freezable2
410510199325,20cyclictest157-21kworker/2:1-events_freezable2
410510199318,19cyclictest157-21kworker/2:1-events_freezable2
410510199314,20cyclictest157-21kworker/2:1-events_freezable2
410510199308,18cyclictest157-21kworker/2:1-events_freezable2
410510199304,19cyclictest157-21kworker/2:1-events_freezable2
410510199303,21cyclictest157-21kworker/2:1-events_freezable2
410510199294,19cyclictest157-21kworker/2:1-events_freezable2
410510199294,19cyclictest157-21kworker/2:1-events_freezable2
410510199292,20cyclictest157-21kworker/2:1-events_freezable2
410510199285,17cyclictest157-21kworker/2:1-events_freezable2
410510199284,20cyclictest157-21kworker/2:1-events_freezable2
410510199283,20cyclictest157-21kworker/2:1-events_freezable2
410510199283,19cyclictest157-21kworker/2:1-events_freezable2
410510199276,16cyclictest157-21kworker/2:1-events_freezable2
410510199273,18cyclictest157-21kworker/2:1-events_freezable2
410510199273,18cyclictest157-21kworker/2:1-events_freezable2
410510199273,18cyclictest157-21kworker/2:1-events_freezable2
410510199273,18cyclictest157-21kworker/2:1-events_freezable2
410510199272,19cyclictest157-21kworker/2:1-events_freezable2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional