Re: [PATCH 3/6] perf tools: Save column length in perf_hpp_fmt

[Jiri Olsa <jolsa@redhat.com>]

On Wed, Jul 09, 2014 at 02:28:11PM +0900, Namhyung Kim wrote:
> Save column length in the hpp format and pass it to print functions.
> This is a preparation for users to control column width in the output.

SNIP

> +
> +void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
> +{
> +	int idx;
> +
> +	if (perf_hpp__is_sort_entry(fmt))
> +		return perf_hpp__reset_sort_width(fmt, hists);
> +
> +	for (idx = 0; idx < PERF_HPP__MAX_INDEX; idx++) {
> +		if (fmt == &perf_hpp__format[idx])
> +			break;
> +	}
> +
> +	if (idx == PERF_HPP__MAX_INDEX)
> +		return;
> +
> +	switch (idx) {
> +	case PERF_HPP__OVERHEAD:
> +	case PERF_HPP__OVERHEAD_SYS:
> +	case PERF_HPP__OVERHEAD_US:
> +	case PERF_HPP__OVERHEAD_ACC:
> +		fmt->len = 8;
> +		break;
> +
> +	case PERF_HPP__OVERHEAD_GUEST_SYS:
> +	case PERF_HPP__OVERHEAD_GUEST_US:
> +		fmt->len = 9;
> +		break;

just curious.. why is it 9 for guest %, while we use 8 for host?
I understand that was the current state

jirka