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-rw-r--r--tools/perf/util/trace-event-parse.c120
1 files changed, 25 insertions, 95 deletions
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 9b3c20f42f98..73a02223c629 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -37,10 +37,12 @@ int header_page_ts_offset;
int header_page_ts_size;
int header_page_size_offset;
int header_page_size_size;
+int header_page_overwrite_offset;
+int header_page_overwrite_size;
int header_page_data_offset;
int header_page_data_size;
-int latency_format;
+bool latency_format;
static char *input_buf;
static unsigned long long input_buf_ptr;
@@ -628,23 +630,32 @@ static int test_type(enum event_type type, enum event_type expect)
return 0;
}
-static int test_type_token(enum event_type type, char *token,
- enum event_type expect, const char *expect_tok)
+static int __test_type_token(enum event_type type, char *token,
+ enum event_type expect, const char *expect_tok,
+ bool warn)
{
if (type != expect) {
- warning("Error: expected type %d but read %d",
- expect, type);
+ if (warn)
+ warning("Error: expected type %d but read %d",
+ expect, type);
return -1;
}
if (strcmp(token, expect_tok) != 0) {
- warning("Error: expected '%s' but read '%s'",
- expect_tok, token);
+ if (warn)
+ warning("Error: expected '%s' but read '%s'",
+ expect_tok, token);
return -1;
}
return 0;
}
+static int test_type_token(enum event_type type, char *token,
+ enum event_type expect, const char *expect_tok)
+{
+ return __test_type_token(type, token, expect, expect_tok, true);
+}
+
static int __read_expect_type(enum event_type expect, char **tok, int newline_ok)
{
enum event_type type;
@@ -661,7 +672,8 @@ static int read_expect_type(enum event_type expect, char **tok)
return __read_expect_type(expect, tok, 1);
}
-static int __read_expected(enum event_type expect, const char *str, int newline_ok)
+static int __read_expected(enum event_type expect, const char *str,
+ int newline_ok, bool warn)
{
enum event_type type;
char *token;
@@ -672,7 +684,7 @@ static int __read_expected(enum event_type expect, const char *str, int newline_
else
type = read_token_item(&token);
- ret = test_type_token(type, token, expect, str);
+ ret = __test_type_token(type, token, expect, str, warn);
free_token(token);
@@ -681,12 +693,12 @@ static int __read_expected(enum event_type expect, const char *str, int newline_
static int read_expected(enum event_type expect, const char *str)
{
- return __read_expected(expect, str, 1);
+ return __read_expected(expect, str, 1, true);
}
static int read_expected_item(enum event_type expect, const char *str)
{
- return __read_expected(expect, str, 0);
+ return __read_expected(expect, str, 0, true);
}
static char *event_read_name(void)
@@ -744,7 +756,7 @@ static int field_is_string(struct format_field *field)
static int field_is_dynamic(struct format_field *field)
{
- if (!strcmp(field->type, "__data_loc"))
+ if (!strncmp(field->type, "__data_loc", 10))
return 1;
return 0;
@@ -1925,7 +1937,7 @@ void *raw_field_ptr(struct event *event, const char *name, void *data)
if (!field)
return NULL;
- if (field->flags & FIELD_IS_STRING) {
+ if (field->flags & FIELD_IS_DYNAMIC) {
int offset;
offset = *(int *)(data + field->offset);
@@ -3087,88 +3099,6 @@ static void print_args(struct print_arg *args)
}
}
-static void parse_header_field(const char *field,
- int *offset, int *size)
-{
- char *token;
- int type;
-
- if (read_expected(EVENT_ITEM, "field") < 0)
- return;
- if (read_expected(EVENT_OP, ":") < 0)
- return;
-
- /* type */
- if (read_expect_type(EVENT_ITEM, &token) < 0)
- goto fail;
- free_token(token);
-
- if (read_expected(EVENT_ITEM, field) < 0)
- return;
- if (read_expected(EVENT_OP, ";") < 0)
- return;
- if (read_expected(EVENT_ITEM, "offset") < 0)
- return;
- if (read_expected(EVENT_OP, ":") < 0)
- return;
- if (read_expect_type(EVENT_ITEM, &token) < 0)
- goto fail;
- *offset = atoi(token);
- free_token(token);
- if (read_expected(EVENT_OP, ";") < 0)
- return;
- if (read_expected(EVENT_ITEM, "size") < 0)
- return;
- if (read_expected(EVENT_OP, ":") < 0)
- return;
- if (read_expect_type(EVENT_ITEM, &token) < 0)
- goto fail;
- *size = atoi(token);
- free_token(token);
- if (read_expected(EVENT_OP, ";") < 0)
- return;
- type = read_token(&token);
- if (type != EVENT_NEWLINE) {
- /* newer versions of the kernel have a "signed" type */
- if (type != EVENT_ITEM)
- goto fail;
-
- if (strcmp(token, "signed") != 0)
- goto fail;
-
- free_token(token);
-
- if (read_expected(EVENT_OP, ":") < 0)
- return;
-
- if (read_expect_type(EVENT_ITEM, &token))
- goto fail;
-
- free_token(token);
- if (read_expected(EVENT_OP, ";") < 0)
- return;
-
- if (read_expect_type(EVENT_NEWLINE, &token))
- goto fail;
- }
- fail:
- free_token(token);
-}
-
-int parse_header_page(char *buf, unsigned long size)
-{
- init_input_buf(buf, size);
-
- parse_header_field("timestamp", &header_page_ts_offset,
- &header_page_ts_size);
- parse_header_field("commit", &header_page_size_offset,
- &header_page_size_size);
- parse_header_field("data", &header_page_data_offset,
- &header_page_data_size);
-
- return 0;
-}
-
int parse_ftrace_file(char *buf, unsigned long size)
{
struct format_field *field;