Re: [PATCH 4/7] perf report: Honor column width setting

From: Jiri Olsa
Date: Mon Jul 28 2014 - 07:17:52 EST


On Mon, Jul 28, 2014 at 09:43:37AM +0900, Namhyung Kim wrote:
> On Fri, 25 Jul 2014 13:13:02 +0200, Jiri Olsa wrote:
> > On Fri, Jul 25, 2014 at 10:18:55AM +0900, Namhyung Kim wrote:
> >> Set column width and do not change it if user gives -w/--column-widths
> >> option. It'll truncate longer symbols than the width if exists.
> >>
> >> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
> >> ---
> >
> > SNIP
> >
> >>
> >> __HPP_COLOR_PERCENT_FN(overhead, period)
> >> @@ -797,8 +798,11 @@ static int hist_browser__show_entry(struct hist_browser *browser,
> >> if (fmt->color) {
> >> width -= fmt->color(fmt, &hpp, entry);
> >> } else {
> >> - width -= fmt->entry(fmt, &hpp, entry);
> >> + int ret = fmt->entry(fmt, &hpp, entry);
> >> + s[ret] = '\0';
> >> slsmg_printf("%s", s);
> >
> > from quick check it seems like all entry callback functions
> > use some sort of snprint which should already handle the string
> > length properly.. if not, we should fix that instead, no?
>
> It was 'symbol' sort entry (_hist_entry__sym_snprintf) which has several
> snprint calls in it. So I changed here rather than adding complexity
> the print function. I can change it if you want. ;)

it'd seem more consistent to me.. Arnaldo? ;-)

jirka
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