Re: [Qemu-devel] [PATCH v4 0/7] trace: Generic event state description

[Lluís Vilanova]

Stefan Hajnoczi writes:

> On Tue, May 8, 2012 at 3:38 PM, Lluís Vilanova <address@hidden> wrote:
>> Provides a generic event state description and a more detailed event control 
>> and
>> query interface.
>> 
>> Signed-off-by: Lluís Vilanova <address@hidden>
>> ---
[...]
> What is the point of sstate vs dstate?  It seems the dynamic state is
> what can be toggled and sstate is the "disable" keyword.  Why have
> sstate since there is already a macro?

'sstate' is there just in case you query the tracing state of an event through
the 'TraceEvent' structure instead of through the corresponding macro.


Lluis

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