Re: [Qemu-devel] [PATCH 00/12] trace: [tcg] Allow tracing guest events in TCG-generated code

[Stefan Hajnoczi]

On Fri, Jan 31, 2014 at 05:09:03PM +0100, Lluís Vilanova wrote:
> Adds the base ability to specify which events in the "trace-events" file may 
> be
> used to trace guest activity in the TCG code (using the "tcg" event propery).
> 
> Such events generate an extra set of tracing functions that can be called 
> during
> TCG code generation and will automatically redirect a call to the appropriate
> backend-dependent tracing functions when the guest code is executed.

I've never worked on TCG but this seems like a good idea: a way to plant
trace events in TCG-generated code.

CCing TCG folks to check they are happy with the approach

Once any high-level discussion is done I'll review the tracing changes.

Stefan