[tip:perf/core] perf tools: Introduce hpp_dimension__add_output function

[tip-bot for Jiri Olsa <tipbot@zytor.com>]

Commit-ID:  beeaaeb3684d97e89548c1b6b6275329214014df
Gitweb:     http://git.kernel.org/tip/beeaaeb3684d97e89548c1b6b6275329214014df
Author:     Jiri Olsa <jolsa@kernel.org>
AuthorDate: Tue, 6 Oct 2015 14:25:11 +0200
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 6 Oct 2015 18:04:59 -0300

perf tools: Introduce hpp_dimension__add_output function

This function will allow to register output column from ui code and
respect taken sort/output dimensions.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1444134312-29136-3-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/sort.c | 6 ++++++
 tools/perf/util/sort.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 8521e3c..2d8ccd4 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1577,6 +1577,12 @@ static int __hpp_dimension__add_output(struct hpp_dimension *hd)
 	return 0;
 }
 
+int hpp_dimension__add_output(unsigned col)
+{
+	BUG_ON(col >= PERF_HPP__MAX_INDEX);
+	return __hpp_dimension__add_output(&hpp_sort_dimensions[col]);
+}
+
 int sort_dimension__add(const char *tok)
 {
 	unsigned int i;
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 33b3d30..3122885 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -234,4 +234,6 @@ void perf_hpp__set_elide(int idx, bool elide);
 int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
 
 bool is_strict_order(const char *order);
+
+int hpp_dimension__add_output(unsigned col);
 #endif	/* __PERF_SORT_H */