On Wed, Nov 27, 2013 at 04:32:32PM +0530, Ramkumar Ramachandra wrote:
> Generalize the function so that we can accommodate all three comparison
> methods: delta, ratio, and wdiff.
This patch basicaly factor the code you added in previous one.
Could we use the function below from the beggining?
jirka
>
> Cc: Jiri Olsa <jo...@redhat.com>
> Cc: Namhyung Kim <namhy...@kernel.org>
> Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
> Signed-off-by: Ramkumar Ramachandra <artag...@gmail.com>
> ---
> tools/perf/builtin-diff.c | 39 ++++++++++++++++++++++++++-------------
> 1 file changed, 26 insertions(+), 13 deletions(-)
>
> diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
> index fe6e200..20284c3 100644
> --- a/tools/perf/builtin-diff.c
> +++ b/tools/perf/builtin-diff.c
> @@ -769,31 +769,44 @@ static int hpp__entry_baseline(struct hist_entry *he,
> char *buf, size_t size)
> return ret;
> }
>
> -static int hpp__color_delta(struct perf_hpp_fmt *fmt,
> - struct perf_hpp *hpp, struct hist_entry *he)
> +static int __hpp__color_compare(struct perf_hpp_fmt *fmt,
> + struct perf_hpp *hpp, struct hist_entry *he,
> + int comparison_method)
> {
> struct diff_hpp_fmt *dfmt =
> container_of(fmt, struct diff_hpp_fmt, fmt);
> struct hist_entry *pair = get_pair_fmt(he, dfmt);
> - double percent;
> + double diff;
> char pfmt[20] = " ";
>
> if (!pair)
> goto dummy_print;
> - if (pair->diff.computed)
> - percent = pair->diff.period_ratio_delta;
> - else
> - percent = compute_delta(he, pair);
>
> - if (fabs(percent) >= 0.01) {
> + switch(comparison_method){
> + case COMPUTE_DELTA:
> + if (pair->diff.computed)
> + diff = pair->diff.period_ratio_delta;
> + else
> + diff = compute_delta(he, pair);
> +
> + if (fabs(diff) < 0.01)
> + goto dummy_print;
> scnprintf(pfmt, 20, "%%%+d.2f%%%%", dfmt->header_width - 1);
> return color_snprintf(hpp->buf, hpp->size,
> - percent > 0 ? PERF_COLOR_GREEN : PERF_COLOR_RED,
> - pfmt, percent);
> - } else
> + diff > 0 ? PERF_COLOR_GREEN : PERF_COLOR_RED,
> + pfmt, diff);
> + default:
> + BUG_ON(1);
> + }
> dummy_print:
> - return scnprintf(hpp->buf, hpp->size, "%*s",
> - dfmt->header_width, pfmt);
> + return scnprintf(hpp->buf, hpp->size, "%*s",
> + dfmt->header_width, pfmt);
> +}
> +
> +static int hpp__color_delta(struct perf_hpp_fmt *fmt,
> + struct perf_hpp *hpp, struct hist_entry *he)
> +{
> + return __hpp__color_compare(fmt, hpp, he, COMPUTE_DELTA);
> }
>
> static void
> --
> 1.8.5.rc0.5.g70ebc73.dirty
>
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