On Fri, May 13, 2016 at 06:44:55PM -0700, Andi Kleen wrote:
> From: Andi Kleen <a...@linux.intel.com>
>
> When the scaling factor is a full integer don't display fractional
> digits. This avoids unnecessary .00 output for topdown metrics
> with scale factors.
>
> v2: Remove redundant check.
> Signed-off-by: Andi Kleen <a...@linux.intel.com>
Acked-by: Jiri Olsa <jo...@kernel.org>
thanks,
jirka
> ---
> tools/perf/builtin-stat.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
> index 5645a8361de6..db84bfc0a478 100644
> --- a/tools/perf/builtin-stat.c
> +++ b/tools/perf/builtin-stat.c
> @@ -66,6 +66,7 @@
> #include <stdlib.h>
> #include <sys/prctl.h>
> #include <locale.h>
> +#include <math.h>
>
> #define DEFAULT_SEPARATOR " "
> #define CNTR_NOT_SUPPORTED "<not supported>"
> @@ -986,12 +987,12 @@ static void abs_printout(int id, int nr, struct
> perf_evsel *evsel, double avg)
> const char *fmt;
>
> 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";
> }
>
> aggr_printout(evsel, id, nr);
> --
> 2.5.5
>
