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perf/tool: Use data struct for arg passing in event parse function

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Moving all the bison arguments into the structure. In upcomming
patches we are going to:

  - add more arguments
  - reuse the grammer for term parsing

so it's more clear to pack/separate related arguments.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1339741902-8449-10-git-send-email-zheng.z.yan@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Jiri Olsa
2012-06-15 14:31:38 +08:00
committed by Ingo Molnar
parent 7c94ee2e09
commit 46010ab260
3 changed files with 50 additions and 26 deletions
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16
tools/perf/util/parse-events.c
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@@ -26,7 +26,7 @@ struct event_symbol {
#ifdef PARSER_DEBUG
extern int parse_events_debug;
#endif
int parse_events_parse(struct list_head *list, int *idx);
int parse_events_parse(void *data);
#define CHW(x) .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_##x
#define CSW(x) .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_##x
@@ -789,25 +789,27 @@ int parse_events_modifier(struct list_head *list, char *str)
int parse_events(struct perf_evlist *evlist, const char *str, int unset __used)
{
LIST_HEAD(list);
LIST_HEAD(list_tmp);
struct parse_events_data__events data = {
.list = LIST_HEAD_INIT(data.list),
.idx = evlist->nr_entries,
};
YY_BUFFER_STATE buffer;
int ret, idx = evlist->nr_entries;
int ret;
buffer = parse_events__scan_string(str);
#ifdef PARSER_DEBUG
parse_events_debug = 1;
#endif
ret = parse_events_parse(&list, &idx);
ret = parse_events_parse(&data);
parse_events__flush_buffer(buffer);
parse_events__delete_buffer(buffer);
parse_events_lex_destroy();
if (!ret) {
int entries = idx - evlist->nr_entries;
perf_evlist__splice_list_tail(evlist, &list, entries);
int entries = data.idx - evlist->nr_entries;
perf_evlist__splice_list_tail(evlist, &data.list, entries);
return 0;
}