[RFC][PATCH 7/8] perf/events: Add flag/symbol format_flags

[Steven Rostedt]

From: Tom Zanussi <tzanussi@xxxxxxxxx>

This is a port of commit eb9a42caa7a92
 perf trace: Add flag/symbolic format_flags
of the old trace-event-parse.c to the new event-parse.c that
was written by Tom Zanussi and forward ported by Steven Rostedt.

Signed-off-by: Tom Zanussi <tzanussi@xxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
 tools/lib/events/event-parse.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/tools/lib/events/event-parse.c b/tools/lib/events/event-parse.c
index dff66ad..3e9af2c 100644
--- a/tools/lib/events/event-parse.c
+++ b/tools/lib/events/event-parse.c
@@ -39,6 +39,9 @@ static const char *input_buf;
 static unsigned long long input_buf_ptr;
 static unsigned long long input_buf_siz;
 
+static int is_flag_field;
+static int is_symbolic_field;
+
 static int show_warning = 1;
 
 #define do_warning(fmt, ...)				\
@@ -1789,6 +1792,16 @@ process_entry(struct event_format *event __unused, struct print_arg *arg,
 	arg->type = PRINT_FIELD;
 	arg->field.name = field;
 
+	if (is_flag_field) {
+		arg->field.field = pevent_find_any_field(event, arg->field.name);
+		arg->field.field->flags |= FIELD_IS_FLAG;
+		is_flag_field = 0;
+	} else if (is_symbolic_field) {
+		arg->field.field = pevent_find_any_field(event, arg->field.name);
+		arg->field.field->flags |= FIELD_IS_SYMBOLIC;
+		is_symbolic_field = 0;
+	}
+
 	type = read_token(&token);
 	*tok = token;
 
@@ -2393,10 +2406,12 @@ process_function(struct event_format *event, struct print_arg *arg,
 
 	if (strcmp(token, "__print_flags") == 0) {
 		free_token(token);
+		is_flag_field = 1;
 		return process_flags(event, arg, tok);
 	}
 	if (strcmp(token, "__print_symbolic") == 0) {
 		free_token(token);
+		is_symbolic_field = 1;
 		return process_symbols(event, arg, tok);
 	}
 	if (strcmp(token, "__get_str") == 0) {
-- 
1.7.5.4


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