1 files changed, 43 insertions, 6 deletions

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 5a824e355d04..82b0606dcb8a 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -13,8 +13,7 @@
  * GNU Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * License along with this program; if not,  see <http://www.gnu.org/licenses>
  *
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  *
@@ -1224,6 +1223,34 @@ static int field_is_long(struct format_field *field)
 	return 0;
 }
 
+static unsigned int type_size(const char *name)
+{
+	/* This covers all FIELD_IS_STRING types. */
+	static struct {
+		const char *type;
+		unsigned int size;
+	} table[] = {
+		{ "u8",   1 },
+		{ "u16",  2 },
+		{ "u32",  4 },
+		{ "u64",  8 },
+		{ "s8",   1 },
+		{ "s16",  2 },
+		{ "s32",  4 },
+		{ "s64",  8 },
+		{ "char", 1 },
+		{ },
+	};
+	int i;
+
+	for (i = 0; table[i].type; i++) {
+		if (!strcmp(table[i].type, name))
+			return table[i].size;
+	}
+
+	return 0;
+}
+
 static int event_read_fields(struct event_format *event, struct format_field **fields)
 {
 	struct format_field *field = NULL;
@@ -1233,6 +1260,8 @@ static int event_read_fields(struct event_format *event, struct format_field **f
 	int count = 0;
 
 	do {
+		unsigned int size_dynamic = 0;
+
 		type = read_token(&token);
 		if (type == EVENT_NEWLINE) {
 			free_token(token);
@@ -1391,6 +1420,7 @@ static int event_read_fields(struct event_format *event, struct format_field **f
 				field->type = new_type;
 				strcat(field->type, " ");
 				strcat(field->type, field->name);
+				size_dynamic = type_size(field->name);
 				free_token(field->name);
 				strcat(field->type, brackets);
 				field->name = token;
@@ -1463,7 +1493,8 @@ static int event_read_fields(struct event_format *event, struct format_field **f
 			if (read_expect_type(EVENT_ITEM, &token))
 				goto fail;
 
-			/* add signed type */
+			if (strtoul(token, NULL, 0))
+				field->flags |= FIELD_IS_SIGNED;
 
 			free_token(token);
 			if (read_expected(EVENT_OP, ";") < 0)
@@ -1478,10 +1509,14 @@ static int event_read_fields(struct event_format *event, struct format_field **f
 		if (field->flags & FIELD_IS_ARRAY) {
 			if (field->arraylen)
 				field->elementsize = field->size / field->arraylen;
+			else if (field->flags & FIELD_IS_DYNAMIC)
+				field->elementsize = size_dynamic;
 			else if (field->flags & FIELD_IS_STRING)
 				field->elementsize = 1;
-			else
-				field->elementsize = event->pevent->long_size;
+			else if (field->flags & FIELD_IS_LONG)
+				field->elementsize = event->pevent ?
+						     event->pevent->long_size :
+						     sizeof(long);
 		} else
 			field->elementsize = field->size;
 
@@ -1785,6 +1820,8 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
 		   strcmp(token, "/") == 0 ||
 		   strcmp(token, "<") == 0 ||
 		   strcmp(token, ">") == 0 ||
+		   strcmp(token, "<=") == 0 ||
+		   strcmp(token, ">=") == 0 ||
 		   strcmp(token, "==") == 0 ||
 		   strcmp(token, "!=") == 0) {
 
@@ -2481,7 +2518,7 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char **
 
 	free_token(token);
 	arg = alloc_arg();
-	if (!field) {
+	if (!arg) {
 		do_warning("%s: not enough memory!", __func__);
 		*tok = NULL;
 		return EVENT_ERROR;