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#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;
u64 *id;
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;
struct perf_header_attr **attr;
s64 attr_offset;
u64 data_offset;
u64 data_size;
u64 event_offset;
u64 event_size;
bool needs_swap;
DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
};
int perf_header__init(struct perf_header *self);
void perf_header__exit(struct perf_header *self);
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);
int 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);
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,
struct perf_header *ph,
int feat, int fd));
#endif /* __PERF_HEADER_H */
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