1 files changed, 24 insertions, 94 deletions

diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 613c9cc90570..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;
@@ -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;