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

From: Steven Rostedt
Date: Fri Aug 05 2011 - 17:14:25 EST


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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