Re: [Qemu-devel] [RFC PATCH v1 8/9] util/qemu-thread-*: add qemu_lock, locked and unlock trace events

[Paolo Bonzini]

On 09/05/2017 15:50, Alex Bennée wrote:
>> No, it doesn't.  I would make the trace event take const char * and pass
>> in the string.
> It would be nice to avoid having the string for non-trace builds.

It can help with gdb as well (e.g. having gdb printers that print the
name of a mutex), and it shouldn't be a burden.

Paolo

> I was
> thinking of something like:
> 
>   trace_register_human_name(void *ptr, const char *name)
> 
> Which compiles away to nothing when tracing is not enabled.
>