perf tools: Move callchain config from record_opts to callchain_param

So that all callchain config parameters can be read/written to a single
place.  It's a preparation to consolidate handling of all callchain
options.

Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Milian Wolff <mail@milianw.de>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1411434104-5307-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 20 insertions, 25 deletions

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 320b198..fde0df7 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -652,7 +652,7 @@ static int get_stack_size(char *str, unsigned long *_size)
 }
 #endif /* HAVE_DWARF_UNWIND_SUPPORT */
 
-int record_parse_callchain(const char *arg, struct record_opts *opts)
+int record_parse_callchain(const char *arg)
 {
 	char *tok, *name, *saveptr = NULL;
 	char *buf;
@@ -672,7 +672,7 @@ int record_parse_callchain(const char *arg, struct record_opts *opts)
 		/* Framepointer style */
 		if (!strncmp(name, "fp", sizeof("fp"))) {
 			if (!strtok_r(NULL, ",", &saveptr)) {
-				opts->call_graph = CALLCHAIN_FP;
+				callchain_param.record_mode = CALLCHAIN_FP;
 				ret = 0;
 			} else
 				pr_err("callchain: No more arguments "
@@ -685,15 +685,15 @@ int record_parse_callchain(const char *arg, struct record_opts *opts)
 			const unsigned long default_stack_dump_size = 8192;
 
 			ret = 0;
-			opts->call_graph = CALLCHAIN_DWARF;
-			opts->stack_dump_size = default_stack_dump_size;
+			callchain_param.record_mode = CALLCHAIN_DWARF;
+			callchain_param.dump_size = default_stack_dump_size;
 
 			tok = strtok_r(NULL, ",", &saveptr);
 			if (tok) {
 				unsigned long size = 0;
 
 				ret = get_stack_size(tok, &size);
-				opts->stack_dump_size = size;
+				callchain_param.dump_size = size;
 			}
 #endif /* HAVE_DWARF_UNWIND_SUPPORT */
 		} else {
@@ -708,61 +708,56 @@ int record_parse_callchain(const char *arg, struct record_opts *opts)
 	return ret;
 }
 
-static void callchain_debug(struct record_opts *opts)
+static void callchain_debug(void)
 {
 	static const char *str[CALLCHAIN_MAX] = { "NONE", "FP", "DWARF" };
 
-	pr_debug("callchain: type %s\n", str[opts->call_graph]);
+	pr_debug("callchain: type %s\n", str[callchain_param.record_mode]);
 
-	if (opts->call_graph == CALLCHAIN_DWARF)
+	if (callchain_param.record_mode == CALLCHAIN_DWARF)
 		pr_debug("callchain: stack dump size %d\n",
-			 opts->stack_dump_size);
+			 callchain_param.dump_size);
 }
 
-int record_parse_callchain_opt(const struct option *opt,
+int record_parse_callchain_opt(const struct option *opt __maybe_unused,
 			       const char *arg,
 			       int unset)
 {
-	struct record_opts *opts = opt->value;
 	int ret;
 
-	opts->call_graph_enabled = !unset;
+	callchain_param.enabled = !unset;
 
 	/* --no-call-graph */
 	if (unset) {
-		opts->call_graph = CALLCHAIN_NONE;
+		callchain_param.record_mode = CALLCHAIN_NONE;
 		pr_debug("callchain: disabled\n");
 		return 0;
 	}
 
-	ret = record_parse_callchain(arg, opts);
+	ret = record_parse_callchain(arg);
 	if (!ret)
-		callchain_debug(opts);
+		callchain_debug();
 
 	return ret;
 }
 
-int record_callchain_opt(const struct option *opt,
+int record_callchain_opt(const struct option *opt __maybe_unused,
 			 const char *arg __maybe_unused,
 			 int unset __maybe_unused)
 {
-	struct record_opts *opts = opt->value;
+	callchain_param.enabled = true;
 
-	opts->call_graph_enabled = !unset;
+	if (callchain_param.record_mode == CALLCHAIN_NONE)
+		callchain_param.record_mode = CALLCHAIN_FP;
 
-	if (opts->call_graph == CALLCHAIN_NONE)
-		opts->call_graph = CALLCHAIN_FP;
-
-	callchain_debug(opts);
+	callchain_debug();
 	return 0;
 }
 
 static int perf_record_config(const char *var, const char *value, void *cb)
 {
-	struct record *rec = cb;
-
 	if (!strcmp(var, "record.call-graph"))
-		return record_parse_callchain(value, &rec->opts);
+		return record_parse_callchain(value);
 
 	return perf_default_config(var, value, cb);
 }