perf tools: Use allocated list for each parsed event

Switch from using static temporary event list into dynamically allocated
one. This way we dont need to pass temp list to the parse_events_parse
which makes the interface more clear.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1337584373-2741-4-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 936913e..126fad0 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -1,7 +1,6 @@
 
 %name-prefix "parse_events_"
 %parse-param {struct list_head *list_all}
-%parse-param {struct list_head *list_event}
 %parse-param {int *idx}
 
 %{
@@ -41,6 +40,14 @@
 %type <str> PE_MODIFIER_BP
 %type <head> event_config
 %type <term> event_term
+%type <head> event_pmu
+%type <head> event_legacy_symbol
+%type <head> event_legacy_cache
+%type <head> event_legacy_mem
+%type <head> event_legacy_tracepoint
+%type <head> event_legacy_numeric
+%type <head> event_legacy_raw
+%type <head> event_def
 
 %union
 {
@@ -62,13 +69,13 @@
 	 * (there could be more events added for multiple tracepoint
 	 * definitions via '*?'.
 	 */
-	ABORT_ON(parse_events_modifier(list_event, $2));
-	parse_events_update_lists(list_event, list_all);
+	ABORT_ON(parse_events_modifier($1, $2));
+	parse_events_update_lists($1, list_all);
 }
 |
 event_def
 {
-	parse_events_update_lists(list_event, list_all);
+	parse_events_update_lists($1, list_all);
 }
 
 event_def: event_pmu |
@@ -82,71 +89,102 @@
 event_pmu:
 PE_NAME '/' event_config '/'
 {
-	ABORT_ON(parse_events_add_pmu(list_event, idx, $1, $3));
+	struct list_head *list = NULL;
+
+	ABORT_ON(parse_events_add_pmu(&list, idx, $1, $3));
 	parse_events__free_terms($3);
+	$$ = list;
 }
 
 event_legacy_symbol:
 PE_VALUE_SYM '/' event_config '/'
 {
+	struct list_head *list = NULL;
 	int type = $1 >> 16;
 	int config = $1 & 255;
 
-	ABORT_ON(parse_events_add_numeric(list_event, idx, type, config, $3));
+	ABORT_ON(parse_events_add_numeric(&list, idx, type, config, $3));
 	parse_events__free_terms($3);
+	$$ = list;
 }
 |
 PE_VALUE_SYM sep_slash_dc
 {
+	struct list_head *list = NULL;
 	int type = $1 >> 16;
 	int config = $1 & 255;
 
-	ABORT_ON(parse_events_add_numeric(list_event, idx, type, config, NULL));
+	ABORT_ON(parse_events_add_numeric(&list, idx, type, config, NULL));
+	$$ = list;
 }
 
 event_legacy_cache:
 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
 {
-	ABORT_ON(parse_events_add_cache(list_event, idx, $1, $3, $5));
+	struct list_head *list = NULL;
+
+	ABORT_ON(parse_events_add_cache(&list, idx, $1, $3, $5));
+	$$ = list;
 }
 |
 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
 {
-	ABORT_ON(parse_events_add_cache(list_event, idx, $1, $3, NULL));
+	struct list_head *list = NULL;
+
+	ABORT_ON(parse_events_add_cache(&list, idx, $1, $3, NULL));
+	$$ = list;
 }
 |
 PE_NAME_CACHE_TYPE
 {
-	ABORT_ON(parse_events_add_cache(list_event, idx, $1, NULL, NULL));
+	struct list_head *list = NULL;
+
+	ABORT_ON(parse_events_add_cache(&list, idx, $1, NULL, NULL));
+	$$ = list;
 }
 
 event_legacy_mem:
 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
 {
-	ABORT_ON(parse_events_add_breakpoint(list_event, idx, (void *) $2, $4));
+	struct list_head *list = NULL;
+
+	ABORT_ON(parse_events_add_breakpoint(&list, idx, (void *) $2, $4));
+	$$ = list;
 }
 |
 PE_PREFIX_MEM PE_VALUE sep_dc
 {
-	ABORT_ON(parse_events_add_breakpoint(list_event, idx, (void *) $2, NULL));
+	struct list_head *list = NULL;
+
+	ABORT_ON(parse_events_add_breakpoint(&list, idx, (void *) $2, NULL));
+	$$ = list;
 }
 
 event_legacy_tracepoint:
 PE_NAME ':' PE_NAME
 {
-	ABORT_ON(parse_events_add_tracepoint(list_event, idx, $1, $3));
+	struct list_head *list = NULL;
+
+	ABORT_ON(parse_events_add_tracepoint(&list, idx, $1, $3));
+	$$ = list;
 }
 
 event_legacy_numeric:
 PE_VALUE ':' PE_VALUE
 {
-	ABORT_ON(parse_events_add_numeric(list_event, idx, $1, $3, NULL));
+	struct list_head *list = NULL;
+
+	ABORT_ON(parse_events_add_numeric(&list, idx, $1, $3, NULL));
+	$$ = list;
 }
 
 event_legacy_raw:
 PE_RAW
 {
-	ABORT_ON(parse_events_add_numeric(list_event, idx, PERF_TYPE_RAW, $1, NULL));
+	struct list_head *list = NULL;
+
+	ABORT_ON(parse_events_add_numeric(&list, idx, PERF_TYPE_RAW, $1, NULL));
+	$$ = list;
 }
 
 event_config:
@@ -222,7 +260,6 @@
 %%
 
 void parse_events_error(struct list_head *list_all __used,
-			struct list_head *list_event __used,
 			int *idx __used,
 			char const *msg __used)
 {