[PATCH 21/59] perf tools: Pass parse_state all the way down to add_tracepoint

[Jiri Olsa <jolsa@redhat.com>]

So we can provide event allocation callbacks.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/util/parse-events.c | 30 ++++++++++++++++++------------
 tools/perf/util/parse-events.h |  3 ++-
 tools/perf/util/parse-events.y |  2 +-
 3 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index d3ad2c89c7a2..8f8151738a78 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -595,11 +595,13 @@ static void tracepoint_error(struct parse_events_error *e, int err,
 	parse_events__handle_error(e, 0, strdup(str), strdup(help));
 }
 
-static int add_tracepoint(struct list_head *list, int *idx,
+static int add_tracepoint(struct parse_events_state *parse_state,
+			  struct list_head *list,
 			  const char *sys_name, const char *evt_name,
 			  struct parse_events_error *err,
 			  struct list_head *head_config)
 {
+	int *idx = &parse_state->idx;
 	struct evsel *evsel = evsel__newtp_idx(sys_name, evt_name, (*idx)++);
 
 	if (IS_ERR(evsel)) {
@@ -619,7 +621,8 @@ static int add_tracepoint(struct list_head *list, int *idx,
 	return 0;
 }
 
-static int add_tracepoint_multi_event(struct list_head *list, int *idx,
+static int add_tracepoint_multi_event(struct parse_events_state *parse_state,
+				      struct list_head *list,
 				      const char *sys_name, const char *evt_name,
 				      struct parse_events_error *err,
 				      struct list_head *head_config)
@@ -653,7 +656,7 @@ static int add_tracepoint_multi_event(struct list_head *list, int *idx,
 
 		found++;
 
-		ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name,
+		ret = add_tracepoint(parse_state, list, sys_name, evt_ent->d_name,
 				     err, head_config);
 	}
 
@@ -667,19 +670,21 @@ static int add_tracepoint_multi_event(struct list_head *list, int *idx,
 	return ret;
 }
 
-static int add_tracepoint_event(struct list_head *list, int *idx,
+static int add_tracepoint_event(struct parse_events_state *parse_state,
+				struct list_head *list,
 				const char *sys_name, const char *evt_name,
 				struct parse_events_error *err,
 				struct list_head *head_config)
 {
 	return strpbrk(evt_name, "*?") ?
-	       add_tracepoint_multi_event(list, idx, sys_name, evt_name,
+	       add_tracepoint_multi_event(parse_state, list, sys_name, evt_name,
 					  err, head_config) :
-	       add_tracepoint(list, idx, sys_name, evt_name,
+	       add_tracepoint(parse_state, list, sys_name, evt_name,
 			      err, head_config);
 }
 
-static int add_tracepoint_multi_sys(struct list_head *list, int *idx,
+static int add_tracepoint_multi_sys(struct parse_events_state *parse_state,
+				    struct list_head *list,
 				    const char *sys_name, const char *evt_name,
 				    struct parse_events_error *err,
 				    struct list_head *head_config)
@@ -705,7 +710,7 @@ static int add_tracepoint_multi_sys(struct list_head *list, int *idx,
 		if (!strglobmatch(events_ent->d_name, sys_name))
 			continue;
 
-		ret = add_tracepoint_event(list, idx, events_ent->d_name,
+		ret = add_tracepoint_event(parse_state, list, events_ent->d_name,
 					   evt_name, err, head_config);
 	}
 
@@ -742,7 +747,7 @@ static int add_bpf_event(const char *group, const char *event, int fd, struct bp
 	pr_debug("add bpf event %s:%s and attach bpf program %d\n",
 		 group, event, fd);
 
-	err = parse_events_add_tracepoint(&new_evsels, &parse_state->idx, group,
+	err = parse_events_add_tracepoint(parse_state, &new_evsels, group,
 					  event, parse_state->error,
 					  param->head_config);
 	if (err) {
@@ -1440,7 +1445,8 @@ static int get_config_chgs(struct perf_pmu *pmu, struct list_head *head_config,
 	return 0;
 }
 
-int parse_events_add_tracepoint(struct list_head *list, int *idx,
+int parse_events_add_tracepoint(struct parse_events_state *parse_state,
+				struct list_head *list,
 				const char *sys, const char *event,
 				struct parse_events_error *err,
 				struct list_head *head_config)
@@ -1454,10 +1460,10 @@ int parse_events_add_tracepoint(struct list_head *list, int *idx,
 	}
 
 	if (strpbrk(sys, "*?"))
-		return add_tracepoint_multi_sys(list, idx, sys, event,
+		return add_tracepoint_multi_sys(parse_state, list, sys, event,
 						err, head_config);
 	else
-		return add_tracepoint_event(list, idx, sys, event,
+		return add_tracepoint_event(parse_state, list, sys, event,
 					    err, head_config);
 }
 
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 218a282d8b3d..aedb1153a1a1 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -164,7 +164,8 @@ void parse_events__clear_array(struct parse_events_array *a);
 int parse_events__modifier_event(struct list_head *list, char *str, bool add);
 int parse_events__modifier_group(struct list_head *list, char *event_mod);
 int parse_events_name(struct list_head *list, const char *name);
-int parse_events_add_tracepoint(struct list_head *list, int *idx,
+int parse_events_add_tracepoint(struct parse_events_state *parse_state,
+				struct list_head *list,
 				const char *sys, const char *event,
 				struct parse_events_error *error,
 				struct list_head *head_config);
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 30c382d4a605..7d7bffed0dd7 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -605,7 +605,7 @@ tracepoint_name opt_event_config
 	if (error)
 		error->idx = @1.first_column;
 
-	err = parse_events_add_tracepoint(list, &parse_state->idx, $1.sys, $1.event,
+	err = parse_events_add_tracepoint(parse_state, list, $1.sys, $1.event,
 					error, $2);
 
 	parse_events_terms__delete($2);
-- 
2.31.1