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#ifndef __PERF_HEADER_H
#define __PERF_HEADER_H
#include "../../../include/linux/perf_event.h"
#include <sys/types.h>
#include "types.h"
struct perf_header_attr {
struct perf_event_attr attr;
int ids, size;
u64 *id;
off_t id_offset;
};
#define HEADER_TRACE_INFO 1
#define HEADER_FEAT_BITS 256
typedef typeof(u64[HEADER_FEAT_BITS / 8]) feat_mask_t;
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;
feat_mask_t adds_features;
};
static inline unsigned long *perf_header__adds_mask(struct perf_header *self)
{
return (unsigned long *)(void *)&self->adds_features;
}
struct perf_header *perf_header__read(int fd);
void perf_header__write(struct perf_header *self, int fd);
void 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__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__feat_trace_info(struct perf_header *header);
struct perf_header *perf_header__new(void);
#endif /* __PERF_HEADER_H */
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