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-rw-r--r--tools/perf/util/trace-event-parse.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 1a8d4dc4f386..dfd1bd8371a4 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -25,7 +25,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <ctype.h>
#include <errno.h>
#include "../perf.h"
@@ -723,7 +722,7 @@ static char *event_read_name(void)
static int event_read_id(void)
{
char *token;
- int id;
+ int id = -1;
if (read_expected_item(EVENT_ITEM, "ID") < 0)
return -1;
@@ -732,15 +731,13 @@ static int event_read_id(void)
return -1;
if (read_expect_type(EVENT_ITEM, &token) < 0)
- goto fail;
+ goto free;
id = strtoul(token, NULL, 0);
- free_token(token);
- return id;
- fail:
+ free:
free_token(token);
- return -1;
+ return id;
}
static int field_is_string(struct format_field *field)
@@ -1424,6 +1421,11 @@ static long long arg_num_eval(struct print_arg *arg)
die("unknown op '%s'", arg->op.op);
}
break;
+ case '+':
+ left = arg_num_eval(arg->op.left);
+ right = arg_num_eval(arg->op.right);
+ val = left + right;
+ break;
default:
die("unknown op '%s'", arg->op.op);
}
@@ -1484,6 +1486,13 @@ process_fields(struct event *event, struct print_flag_sym **list, char **tok)
free_token(token);
type = process_arg(event, arg, &token);
+
+ if (type == EVENT_OP)
+ type = process_op(event, arg, &token);
+
+ if (type == EVENT_ERROR)
+ goto out_free;
+
if (test_type_token(type, token, EVENT_DELIM, ","))
goto out_free;