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Commit 8e2fc44f authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
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perf ui/stdio: Align column header for hierarchy output 



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]
  ...

Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Acked-by: default avatarPekka Enberg <penberg@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1456326830-30456-11-git-send-email-namhyung@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent ef86d68a

tools/perf/ui/stdio/hist.c

+105 −0
Original line number Diff line number Diff line
@@ -511,6 +511,106 @@ 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);

}



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;



	nr_sort = hists->hpp_list->nr_sort_keys;



	/* preserve max indent depth for column headers */

	print_hierarchy_indent(sep, nr_sort, spaces, fp);



	hists__for_each_format(hists, fmt) {

		if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))

			break;



		if (!first)

			fprintf(fp, "%s", sep ?: "  ");

		else

			first = false;



		fmt->header(fmt, hpp, hists_to_evsel(hists));

		fprintf(fp, "%s", hpp->buf);

	}



	/* combine sort headers with ' / ' */

	first = true;

	hists__for_each_format(hists, fmt) {

		if (!perf_hpp__is_sort_entry(fmt) && !perf_hpp__is_dynamic_entry(fmt))

			continue;

		if (perf_hpp__should_skip(fmt, hists))

			continue;



		if (!first)

			header_width += fprintf(fp, " / ");

		else {

			header_width += fprintf(fp, "%s", sep ?: "  ");

			first = false;

		}



		fmt->header(fmt, hpp, hists_to_evsel(hists));

		rtrim(hpp->buf);



		header_width += fprintf(fp, "%s", hpp->buf);

	}



	/* preserve max indent depth for combined sort headers */

	print_hierarchy_indent(sep, nr_sort, spaces, fp);



	fprintf(fp, "\n# ");



	/* preserve max indent depth for initial dots */

	print_hierarchy_indent(sep, nr_sort, dots, fp);



	first = true;

	hists__for_each_format(hists, fmt) {

		if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))

			break;



		if (!first)

			fprintf(fp, "%s", sep ?: "  ");

		else

			first = false;



		width = fmt->width(fmt, hpp, hists_to_evsel(hists));

		fprintf(fp, "%.*s", width, dots);

	}



	hists__for_each_format(hists, fmt) {

		if (!perf_hpp__is_sort_entry(fmt) && !perf_hpp__is_dynamic_entry(fmt))

			continue;

		if (perf_hpp__should_skip(fmt, hists))

			continue;



		width = fmt->width(fmt, hpp, hists_to_evsel(hists));

		if (width > header_width)

			header_width = width;

	}



	fprintf(fp, "%s%-.*s", sep ?: "  ", header_width, dots);



	/* preserve max indent depth for dots under sort headers */

	print_hierarchy_indent(sep, nr_sort, dots, fp);



	fprintf(fp, "\n#\n");



	return 2;

}



size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,

		      int max_cols, float min_pcnt, FILE *fp)

{
@@ -542,6 +642,11 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, 


	fprintf(fp, "# ");



	if (symbol_conf.report_hierarchy) {

		nr_rows += print_hierarchy_header(hists, &dummy_hpp, sep, fp);

		goto print_entries;

	}



	hists__for_each_format(hists, fmt) {

		if (perf_hpp__should_skip(fmt, hists))

			continue;

tools/perf/util/ctype.c

+9 −0
Original line number Diff line number Diff line
@@ -31,9 +31,18 @@ unsigned char sane_ctype[256] = { 
};



const char *graph_line =

	"_____________________________________________________________________"

	"_____________________________________________________________________"

	"_____________________________________________________________________";

const char *graph_dotted_line =

	"---------------------------------------------------------------------"

	"---------------------------------------------------------------------"

	"---------------------------------------------------------------------";

const char *spaces =

	"                                                                     "

	"                                                                     "

	"                                                                     ";

const char *dots =

	"....................................................................."

	"....................................................................."

	".....................................................................";

tools/perf/util/util.h

+2 −0
Original line number Diff line number Diff line
@@ -82,6 +82,8 @@ 


extern const char *graph_line;

extern const char *graph_dotted_line;

extern const char *spaces;

extern const char *dots;

extern char buildid_dir[];



/* On most systems <limits.h> would have given us this, but