20-24 September 2021
US/Pacific timezone

rtla: an interface for osnoise/timerlat tracers

21 Sep 2021, 07:40
35m
Microconference1/Virtual-Room (LPC Virtual)

Microconference1/Virtual-Room

LPC Virtual

150
Real-time MC Real-time MC

Speaker

Daniel Bristot de Oliveira (Red Hat, Inc.)

Description

The osnoise and timerlat tracers landed up in 5.14.

In addition to the tracing aspects, these two tracers also report performance metrics relevant to real-time. However, it is not easy to manually parse these metrics.

The rtla (real-time linux analysis) is a user-space interface for these tracers. It works by using the libtracefs to set up a tracing section and to collect data and trace information. It has an intuitive interface, and will also serve as the basis for the other real-time related tracers.

The idea is to present and discuss this new tool in this MC topic.

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Primary author

Daniel Bristot de Oliveira (Red Hat, Inc.)

Presentation Materials