perf events parse: Rename parse_events_parse arguments

Calling them just "data" is too vague, call it 'perf_state', to make it
clearer, for instance, when looking at patch hunks.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-rnhk5yb05wem77rjpclrh7so@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 2a36179..6351351 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -140,18 +140,18 @@ int parse_events_add_tracepoint(struct list_head *list, int *idx,
 				const char *sys, const char *event,
 				struct parse_events_error *error,
 				struct list_head *head_config);
-int parse_events_load_bpf(struct parse_events_state *data,
+int parse_events_load_bpf(struct parse_events_state *parse_state,
 			  struct list_head *list,
 			  char *bpf_file_name,
 			  bool source,
 			  struct list_head *head_config);
 /* Provide this function for perf test */
 struct bpf_object;
-int parse_events_load_bpf_obj(struct parse_events_state *data,
+int parse_events_load_bpf_obj(struct parse_events_state *parse_state,
 			      struct list_head *list,
 			      struct bpf_object *obj,
 			      struct list_head *head_config);
-int parse_events_add_numeric(struct parse_events_state *data,
+int parse_events_add_numeric(struct parse_events_state *parse_state,
 			     struct list_head *list,
 			     u32 type, u64 config,
 			     struct list_head *head_config);
@@ -161,11 +161,11 @@ int parse_events_add_cache(struct list_head *list, int *idx,
 			   struct list_head *head_config);
 int parse_events_add_breakpoint(struct list_head *list, int *idx,
 				void *ptr, char *type, u64 len);
-int parse_events_add_pmu(struct parse_events_state *data,
+int parse_events_add_pmu(struct parse_events_state *parse_state,
 			 struct list_head *list, char *name,
 			 struct list_head *head_config);
 
-int parse_events_multi_pmu_add(struct parse_events_state *data,
+int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
 			       char *str,
 			       struct list_head **listp);
 
@@ -177,7 +177,7 @@ perf_pmu__parse_check(const char *name);
 void parse_events__set_leader(char *name, struct list_head *list);
 void parse_events_update_lists(struct list_head *list_event,
 			       struct list_head *list_all);
-void parse_events_evlist_error(struct parse_events_state *data,
+void parse_events_evlist_error(struct parse_events_state *parse_state,
 			       int idx, const char *str);
 
 void print_events(const char *event_glob, bool name_only, bool quiet,