perf callchain: Rename register_callchain_param into callchain_register_param

To make the callchain API naming more consistent.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1294977121-5700-4-git-send-email-fweisbec@gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-report.c

@@ -221,7 +221,7 @@ static int perf_session__setup_sample_type(struct perf_session *self)
 	} else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE &&
 		   !symbol_conf.use_callchain) {
 			symbol_conf.use_callchain = true;
-			if (register_callchain_param(&callchain_param) < 0) {
+			if (callchain_register_param(&callchain_param) < 0) {
 				fprintf(stderr, "Can't register callchain"
 						" params\n");
 				return -EINVAL;
@@ -423,7 +423,7 @@ parse_callchain_opt(const struct option *opt __used, const char *arg,
 	if (tok2)
 		callchain_param.print_limit = strtod(tok2, &endptr);
 setup:
-	if (register_callchain_param(&callchain_param) < 0) {
+	if (callchain_register_param(&callchain_param) < 0) {
 		fprintf(stderr, "Can't register callchain params\n");
 		return -1;
 	}

tools/perf/util/callchain.c

@@ -143,7 +143,7 @@ sort_chain_graph_rel(struct rb_root *rb_root, struct callchain_root *chain_root,
 	rb_root->rb_node = chain_root->node.rb_root.rb_node;
 }
 
-int register_callchain_param(struct callchain_param *param)
+int callchain_register_param(struct callchain_param *param)
 {
 	switch (param->mode) {
 	case CHAIN_GRAPH_ABS:

tools/perf/util/callchain.h

@@ -87,7 +87,7 @@ static inline u64 callchain_cumul_hits(struct callchain_node *node)
 	return node->hit + node->children_hit;
 }
 
-int register_callchain_param(struct callchain_param *param);
+int callchain_register_param(struct callchain_param *param);
 int callchain_append(struct callchain_root *root,
 		     struct callchain_cursor *cursor,
 		     u64 period);