1#ifndef __PERF_DATA_H 2#define __PERF_DATA_H 3 4#include <stdbool.h> 5 6enum perf_data_mode { 7 PERF_DATA_MODE_WRITE, 8 PERF_DATA_MODE_READ, 9}; 10 11struct perf_data_file { 12 const char *path; 13 int fd; 14 bool is_pipe; 15 bool force; 16 unsigned long size; 17 enum perf_data_mode mode; 18}; 19 20static inline bool perf_data_file__is_read(struct perf_data_file *file) 21{ 22 return file->mode == PERF_DATA_MODE_READ; 23} 24 25static inline bool perf_data_file__is_write(struct perf_data_file *file) 26{ 27 return file->mode == PERF_DATA_MODE_WRITE; 28} 29 30static inline int perf_data_file__is_pipe(struct perf_data_file *file) 31{ 32 return file->is_pipe; 33} 34 35static inline int perf_data_file__fd(struct perf_data_file *file) 36{ 37 return file->fd; 38} 39 40static inline unsigned long perf_data_file__size(struct perf_data_file *file) 41{ 42 return file->size; 43} 44 45int perf_data_file__open(struct perf_data_file *file); 46void perf_data_file__close(struct perf_data_file *file); 47ssize_t perf_data_file__write(struct perf_data_file *file, 48 void *buf, size_t size); 49/* 50 * If at_exit is set, only rename current perf.data to 51 * perf.data.<postfix>, continue write on original file. 52 * Set at_exit when flushing the last output. 53 * 54 * Return value is fd of new output. 55 */ 56int perf_data_file__switch(struct perf_data_file *file, 57 const char *postfix, 58 size_t pos, bool at_exit); 59#endif /* __PERF_DATA_H */ 60