Re: compile error about perf opencsd master

On 25 July 2017 at 21:49, yoma sophian sophian.yoma@gmail.com wrote:

hi Mathieu:

...

Get (and recompile) the latest revision of the openCSD library - that should do the trick.

after using the latest revision of the opcdCSD library, compile is pass. But I have some question about trace collection and decode flow

1. for trace collection, shall we ask perf to save some other places? such as USB or somewhere alse

We welcome patches.

2. from HOWTO document, is perf.data the trace data from ETM?

The perf.data file contains the trace data from the ETM devices, the metadata associated with the ETM configuration and miscellaneous perf events recorded during the session.

3. Why we need .debug directory?

That is where all the binaries that were involved in the trace session are collected. Those are needed by the decoding library for proper handling of the trace data.

thanks ur help in advance.