1 /* SPDX-License-Identifier: GPL-2.0 */
12 struct perf_data_file {
18 struct perf_data_file file;
22 enum perf_data_mode mode;
25 static inline bool perf_data__is_read(struct perf_data *data)
27 return data->mode == PERF_DATA_MODE_READ;
30 static inline bool perf_data__is_write(struct perf_data *data)
32 return data->mode == PERF_DATA_MODE_WRITE;
35 static inline int perf_data__is_pipe(struct perf_data *data)
40 static inline int perf_data__fd(struct perf_data *data)
45 static inline unsigned long perf_data__size(struct perf_data *data)
50 int perf_data__open(struct perf_data *data);
51 void perf_data__close(struct perf_data *data);
52 ssize_t perf_data__write(struct perf_data *data,
53 void *buf, size_t size);
54 ssize_t perf_data_file__write(struct perf_data_file *file,
55 void *buf, size_t size);
57 * If at_exit is set, only rename current perf.data to
58 * perf.data.<postfix>, continue write on original data.
59 * Set at_exit when flushing the last output.
61 * Return value is fd of new output.
63 int perf_data__switch(struct perf_data *data,
65 size_t pos, bool at_exit);
66 #endif /* __PERF_DATA_H */