Re: [PATCH 6/9] trace2: convert ctx.thread_name to flex array

>> If we were to allow arbitrarily long thread_name[], which may not be
>> a bad thing to do (e.g. we do not have to worry about truncation
>> making two names ambiguous, for example), then the flex array is the
>> right direction to go in, though.
>
> We don't even need that, AFAICT. ...
> ...
> And we are taking e.g. "preload_thread" and turning it into strings like
> these, and saving it into "struct tr2tls_thread_ctx".
>
> 	"preload_thread", // main thread
> 	"th01:preload_thread", // 1st thread
> 	"th02:preload_thread" // 2nd thread
> 	[...]
>
> So, we don't need to strdup() and store that "preload_thread" anywhere.
> It's already a constant string we have hardcoded in the program. We just
> need to save a pointer to it.