From 2e6263ab54322bac27589d1102f7a955d3f7ff80 Mon Sep 17 00:00:00 2001
From: Jiri Olsa <jolsa@redhat.com>
Date: Tue, 6 Jul 2021 17:17:02 +0200
Subject: libperf: Adopt evlist__set_leader() from tools/perf as
 perf_evlist__set_leader()

Move the implementation of evlist__set_leader() to a new libperf
perf_evlist__set_leader() function with the same functionality make it a
libperf exported API.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Requested-by: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210706151704.73662-6-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/evlist.c       | 19 +------------------
 tools/perf/util/evlist.h       |  1 -
 tools/perf/util/parse-events.c |  2 +-
 3 files changed, 2 insertions(+), 20 deletions(-)

(limited to 'tools/perf')

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 752f64afd622..47581a237c7a 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -223,26 +223,9 @@ out:
 	return err;
 }
 
-void __evlist__set_leader(struct list_head *list)
-{
-	struct evsel *evsel, *leader;
-
-	leader = list_entry(list->next, struct evsel, core.node);
-	evsel = list_entry(list->prev, struct evsel, core.node);
-
-	leader->core.nr_members = evsel->core.idx - leader->core.idx + 1;
-
-	__evlist__for_each_entry(list, evsel) {
-		evsel->core.leader = &leader->core;
-	}
-}
-
 void evlist__set_leader(struct evlist *evlist)
 {
-	if (evlist->core.nr_entries) {
-		evlist->core.nr_groups = evlist->core.nr_entries > 1 ? 1 : 0;
-		__evlist__set_leader(&evlist->core.entries);
-	}
+	perf_evlist__set_leader(&evlist->core);
 }
 
 int __evlist__add_default(struct evlist *evlist, bool precise)
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index cb2bf5f4866a..5c22383489ae 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -201,7 +201,6 @@ void evlist__set_selected(struct evlist *evlist, struct evsel *evsel);
 int evlist__create_maps(struct evlist *evlist, struct target *target);
 int evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel);
 
-void __evlist__set_leader(struct list_head *list);
 void evlist__set_leader(struct evlist *evlist);
 
 u64 __evlist__combined_sample_type(struct evlist *evlist);
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index f6d77cb44007..e5eae23cfceb 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1833,7 +1833,7 @@ void parse_events__set_leader(char *name, struct list_head *list,
 	if (parse_events__set_leader_for_uncore_aliase(name, list, parse_state))
 		return;
 
-	__evlist__set_leader(list);
+	__perf_evlist__set_leader(list);
 	leader = list_entry(list->next, struct evsel, core.node);
 	leader->group_name = name ? strdup(name) : NULL;
 }
-- 
cgit v1.2.3