Re: [PATCH tracing/kprobes v4] perf: Add perf probe subcommand forkprobe-event setup helper

[Frederic Weisbecker]

On Thu, Oct 08, 2009 at 05:17:38PM -0400, Masami Hiramatsu wrote:
> +#ifdef DEBUG
> +#define debug(fmt ...)	\
> +	fprintf(stderr, "DBG(" __FILE__ ":" stringify(__LINE__) "): " fmt)
> +#else
> +#define debug(fmt ...)	do {} while (0)
> +#endif



We have that too:

int eprintf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));



> +#define ERR_IF(cnd)	\
> +	do { if (cnd) {	\
> +		fprintf(stderr, "Error (" __FILE__ ":" stringify(__LINE__) \
> +			"): " stringify(cnd) "\n");			\
> +		exit(1);						\
> +	} } while (0)


And that would be nice to have in util/debug.h but more
perhaps more as a DIE_IF()

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