mirror of https://gitee.com/openkylin/linux.git
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
#ifndef __PERF_DATA_H
|
|
#define __PERF_DATA_H
|
|
|
|
#include <stdbool.h>
|
|
|
|
enum perf_data_mode {
|
|
PERF_DATA_MODE_WRITE,
|
|
PERF_DATA_MODE_READ,
|
|
};
|
|
|
|
struct perf_data {
|
|
const char *path;
|
|
int fd;
|
|
bool is_pipe;
|
|
bool force;
|
|
unsigned long size;
|
|
enum perf_data_mode mode;
|
|
};
|
|
|
|
static inline bool perf_data__is_read(struct perf_data *data)
|
|
{
|
|
return data->mode == PERF_DATA_MODE_READ;
|
|
}
|
|
|
|
static inline bool perf_data__is_write(struct perf_data *data)
|
|
{
|
|
return data->mode == PERF_DATA_MODE_WRITE;
|
|
}
|
|
|
|
static inline int perf_data__is_pipe(struct perf_data *data)
|
|
{
|
|
return data->is_pipe;
|
|
}
|
|
|
|
static inline int perf_data__fd(struct perf_data *data)
|
|
{
|
|
return data->fd;
|
|
}
|
|
|
|
static inline unsigned long perf_data__size(struct perf_data *data)
|
|
{
|
|
return data->size;
|
|
}
|
|
|
|
int perf_data__open(struct perf_data *data);
|
|
void perf_data__close(struct perf_data *data);
|
|
ssize_t perf_data__write(struct perf_data *data,
|
|
void *buf, size_t size);
|
|
/*
|
|
* If at_exit is set, only rename current perf.data to
|
|
* perf.data.<postfix>, continue write on original data.
|
|
* Set at_exit when flushing the last output.
|
|
*
|
|
* Return value is fd of new output.
|
|
*/
|
|
int perf_data__switch(struct perf_data *data,
|
|
const char *postfix,
|
|
size_t pos, bool at_exit);
|
|
#endif /* __PERF_DATA_H */
|