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-rw-r--r--tools/perf/util/header.h76
1 files changed, 57 insertions, 19 deletions
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index a0761bc7863c..d1dbe2b79c42 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -1,10 +1,13 @@
-#ifndef _PERF_HEADER_H
-#define _PERF_HEADER_H
+#ifndef __PERF_HEADER_H
+#define __PERF_HEADER_H
#include "../../../include/linux/perf_event.h"
#include <sys/types.h>
+#include <stdbool.h>
#include "types.h"
+#include <linux/bitmap.h>
+
struct perf_header_attr {
struct perf_event_attr attr;
int ids, size;
@@ -12,36 +15,71 @@ struct perf_header_attr {
off_t id_offset;
};
+enum {
+ HEADER_TRACE_INFO = 1,
+ HEADER_BUILD_ID,
+ HEADER_LAST_FEATURE,
+};
+
+#define HEADER_FEAT_BITS 256
+
+struct perf_file_section {
+ u64 offset;
+ u64 size;
+};
+
+struct perf_file_header {
+ u64 magic;
+ u64 size;
+ u64 attr_size;
+ struct perf_file_section attrs;
+ struct perf_file_section data;
+ struct perf_file_section event_types;
+ DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
+};
+
+struct perf_header;
+
+int perf_file_header__read(struct perf_file_header *self,
+ struct perf_header *ph, int fd);
+
struct perf_header {
- int frozen;
- int attrs, size;
+ int frozen;
+ int attrs, size;
struct perf_header_attr **attr;
- s64 attr_offset;
- u64 data_offset;
- u64 data_size;
- u64 event_offset;
- u64 event_size;
+ s64 attr_offset;
+ u64 data_offset;
+ u64 data_size;
+ u64 event_offset;
+ u64 event_size;
+ DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
};
-struct perf_header *perf_header__read(int fd);
-void perf_header__write(struct perf_header *self, int fd);
+struct perf_header *perf_header__new(void);
+void perf_header__delete(struct perf_header *self);
-void perf_header__add_attr(struct perf_header *self,
- struct perf_header_attr *attr);
+int perf_header__read(struct perf_header *self, int fd);
+int perf_header__write(struct perf_header *self, int fd, bool at_exit);
+
+int perf_header__add_attr(struct perf_header *self,
+ struct perf_header_attr *attr);
void perf_header__push_event(u64 id, const char *name);
char *perf_header__find_event(u64 id);
+struct perf_header_attr *perf_header_attr__new(struct perf_event_attr *attr);
+void perf_header_attr__delete(struct perf_header_attr *self);
-struct perf_header_attr *
-perf_header_attr__new(struct perf_event_attr *attr);
-void perf_header_attr__add_id(struct perf_header_attr *self, u64 id);
+int perf_header_attr__add_id(struct perf_header_attr *self, u64 id);
u64 perf_header__sample_type(struct perf_header *header);
struct perf_event_attr *
perf_header__find_attr(u64 id, struct perf_header *header);
+void perf_header__set_feat(struct perf_header *self, int feat);
+bool perf_header__has_feat(const struct perf_header *self, int feat);
+int perf_header__process_sections(struct perf_header *self, int fd,
+ int (*process)(struct perf_file_section *self,
+ int feat, int fd));
-struct perf_header *perf_header__new(void);
-
-#endif /* _PERF_HEADER_H */
+#endif /* __PERF_HEADER_H */