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[Qemu-devel] Re: [Tracing][RFC v3 PATCH 0/2] QMP Query interfaces for tr


From: Luiz Capitulino
Subject: [Qemu-devel] Re: [Tracing][RFC v3 PATCH 0/2] QMP Query interfaces for tracing
Date: Mon, 18 Oct 2010 12:21:56 -0200

On Mon, 18 Oct 2010 11:36:55 +0530
Prerna Saxena <address@hidden> wrote:

> This patch set introduces two QMP interfaces for tracing :
> 
> * query-trace        : to list current contents of trace-buffer
> * query-trace-events : to list all available trace-events with their state.

This is in my to-review queue, but it's going to take a few days, because
I have to take a deeper look at the tracing feature to be able to review it.

Two initial questions:

 o This is labeled as an RFC, but you're versioning it. Should this be
   considered for inclusion?

 o Is this really useful w/o being able to set new traces?

> 
> Changelog :
> -----------
> Changes v2 -> v3 :
> - Change declarations of st_print_trace_to_qlist() and 
> st_print_trace_events_to_qlist() to return QList*
> 
> Changes v1 -> v2 :
> - Add 'timestamp' field for query-trace output.
> - Misc cleanups.
> 




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