Re: [PATCH v3 2/2] perf stat: add interval printing

[Andi Kleen]

>  	if (forks) {
>  		close(go_pipe[1]);
> +		if (interval) {
> +			while (!waitpid(child_pid, &status, WNOHANG)) {
> +				ret = nanosleep(&ts, NULL);
> +				if (ret == 0 && interval)
> +					print_interval();

It would be good to make sure that if someone Ctrl-Cs
you still print the latest interval(even if shorter)

The rest looks good to me.

-Andi
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