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-rw-r--r--tools/perf/util/parse-events.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index ca8665e19c0..d002170adb3 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -12,6 +12,7 @@
#include "header.h"
#include "debugfs.h"
#include "parse-events-bison.h"
+#define YY_EXTRA_TYPE int
#include "parse-events-flex.h"
#include "pmu.h"
@@ -788,13 +789,13 @@ int parse_events_modifier(struct list_head *list, char *str)
return 0;
}
-static int parse_events__scanner(const char *str, void *data)
+static int parse_events__scanner(const char *str, void *data, int start_token)
{
YY_BUFFER_STATE buffer;
void *scanner;
int ret;
- ret = parse_events_lex_init(&scanner);
+ ret = parse_events_lex_init_extra(start_token, &scanner);
if (ret)
return ret;
@@ -811,6 +812,27 @@ static int parse_events__scanner(const char *str, void *data)
return ret;
}
+/*
+ * parse event config string, return a list of event terms.
+ */
+int parse_events_terms(struct list_head *terms, const char *str)
+{
+ struct parse_events_data__terms data = {
+ .terms = NULL,
+ };
+ int ret;
+
+ ret = parse_events__scanner(str, &data, PE_START_TERMS);
+ if (!ret) {
+ list_splice(data.terms, terms);
+ free(data.terms);
+ return 0;
+ }
+
+ parse_events__free_terms(data.terms);
+ return ret;
+}
+
int parse_events(struct perf_evlist *evlist, const char *str, int unset __used)
{
struct parse_events_data__events data = {
@@ -819,7 +841,7 @@ int parse_events(struct perf_evlist *evlist, const char *str, int unset __used)
};
int ret;
- ret = parse_events__scanner(str, &data);
+ ret = parse_events__scanner(str, &data, PE_START_EVENTS);
if (!ret) {
int entries = data.idx - evlist->nr_entries;
perf_evlist__splice_list_tail(evlist, &data.list, entries);