On Fri, Feb 05, 2016 at 10:01:47PM +0900, Namhyung Kim wrote:
> The hierarchy output mode is to group entries so the existing columns
> won't fit to the new output. Treat all sort keys as a single column and
> separate headers by "/".
>
> # Overhead Command / Shared Object
> # ........... ................................
> #
> 15.11% swapper
> 14.97% [kernel.vmlinux]
> 0.09% [libahci]
> 0.05% [iwlwifi]
> ...
>
> Acked-by: Pekka Enberg <penb...@kernel.org>
> Signed-off-by: Namhyung Kim <namhy...@kernel.org>
> ---
> tools/perf/ui/stdio/hist.c | 107
> +++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 107 insertions(+)
>
> diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
> index b58f718a6afc..4bdab3cf1b6c 100644
> --- a/tools/perf/ui/stdio/hist.c
> +++ b/tools/perf/ui/stdio/hist.c
> @@ -505,6 +505,108 @@ static int hist_entry__fprintf(struct hist_entry *he,
> size_t size,
> return ret;
> }
>
> +static int print_hierarchy_indent(const char *sep, int nr_sort,
> + const char *line, FILE *fp)
> +{
> + if (sep != NULL || nr_sort < 1)
> + return 0;
> +
> + return fprintf(fp, "%-.*s", (nr_sort - 1) * HIERARCHY_INDENT, line);
hum, could you use fprintf(fp, "%*c", nr_sort..., '.');
with the same effect to get rid of those dots and spaces strings..
jirka
> +}
> +
> +static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp,
> + const char *sep, FILE *fp)
> +{
> + bool first = true;
> + int nr_sort;
> + unsigned width = 0;
> + unsigned header_width = 0;
> + struct perf_hpp_fmt *fmt;
> + const char spaces[] = " "
> + " "
> + " ";
> + const char dots[] = "................................................."
> + "....................................................................."
> + ".....................................................................";
SNIP
