Re: [PATCH v4 4/7] perf diff: Use hists to manage basic blocks per symbol

[Jiri Olsa <jolsa@redhat.com>]

On Thu, Jun 20, 2019 at 10:36:39PM +0800, Jin Yao wrote:

SNIP

> +
> +static void *block_entry_zalloc(size_t size)
> +{
> +	return zalloc(size + sizeof(struct hist_entry));
> +}
> +
> +static void block_entry_free(void *he)
> +{
> +	struct block_info *bi = ((struct hist_entry *)he)->block_info;
> +
> +	block_info__put(bi);
> +	free(he);
> +}
> +
> +struct hist_entry_ops block_entry_ops = {
> +	.new    = block_entry_zalloc,
> +	.free   = block_entry_free,
> +};

hum, so there's already block_hist_ops moving that stuff into 'struct block_hist',
which is great, but why don't we have 'struct block_entry' in here? that would
keep the 'struct block_info'

thanks,
jirka