Re: [PATCH 06/10] perf, tools, stat: Avoid fractional digits for integer scales

From: Jiri Olsa
Date: Wed May 11 2016 - 09:00:40 EST


On Sat, May 07, 2016 at 12:24:25PM -0700, Andi Kleen wrote:
> > > if (csv_output) {
> > > - fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s";
> > > + fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s";
> > > } else {
> > > if (big_num)
> > > - fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s";
> > > + fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s";
> > > else
> > > - fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s";
> > > + fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s";
> >
> > how about the rest of the code? we display % also in print_running
> > and print_noise_pct functions and maybe some place else
>
> For those it doesn't matter. In fact it's probably better there
> to always show the fractions.
>
> It is just confusing for metrics.

ok, let's try and see, we can always follow up
with the rest if there's a need

Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>

thanks,
jirka