[PATCH 02/14] perf hists: Rename hist_entry__add_pair arguments

[Jiri Olsa <jolsa@redhat.com>]

The current logic is to attach pair to the leader hist_entry.
Arguments of hist_entry__add_pair function were placed
the other way round.. driving me crazy.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/util/sort.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index a1c0d56..7425f8d 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -115,10 +115,10 @@ static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
 	return NULL;
 }
 
-static inline void hist_entry__add_pair(struct hist_entry *he,
-					struct hist_entry *pair)
+static inline void hist_entry__add_pair(struct hist_entry *pair,
+					struct hist_entry *he)
 {
-	list_add_tail(&he->pairs.head, &pair->pairs.node);
+	list_add_tail(&pair->pairs.node, &he->pairs.head);
 }
 
 enum sort_type {
-- 
1.7.11.7