1 /* SPDX-License-Identifier: GPL-2.0 */
13 enum perf_dir_version {
14 PERF_DIR_SINGLE_FILE = 0,
18 struct perf_data_file {
29 struct perf_data_file file;
34 enum perf_data_mode mode;
38 struct perf_data_file *files;
43 static inline bool perf_data__is_read(struct perf_data *data)
45 return data->mode == PERF_DATA_MODE_READ;
48 static inline bool perf_data__is_write(struct perf_data *data)
50 return data->mode == PERF_DATA_MODE_WRITE;
53 static inline int perf_data__is_pipe(struct perf_data *data)
58 static inline bool perf_data__is_dir(struct perf_data *data)
63 static inline bool perf_data__is_single_file(struct perf_data *data)
65 return data->dir.version == PERF_DIR_SINGLE_FILE;
68 static inline int perf_data__fd(struct perf_data *data)
71 return fileno(data->file.fptr);
76 int perf_data__open(struct perf_data *data);
77 void perf_data__close(struct perf_data *data);
78 ssize_t perf_data__read(struct perf_data *data, void *buf, size_t size);
79 ssize_t perf_data__write(struct perf_data *data,
80 void *buf, size_t size);
81 ssize_t perf_data_file__write(struct perf_data_file *file,
82 void *buf, size_t size);
84 * If at_exit is set, only rename current perf.data to
85 * perf.data.<postfix>, continue write on original data.
86 * Set at_exit when flushing the last output.
88 * Return value is fd of new output.
90 int perf_data__switch(struct perf_data *data,
92 size_t pos, bool at_exit, char **new_filepath);
94 int perf_data__create_dir(struct perf_data *data, int nr);
95 int perf_data__open_dir(struct perf_data *data);
96 void perf_data__close_dir(struct perf_data *data);
97 int perf_data__update_dir(struct perf_data *data);
98 unsigned long perf_data__size(struct perf_data *data);
99 int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz);
100 char *perf_data__kallsyms_name(struct perf_data *data);
101 bool is_perf_data(const char *path);
102 #endif /* __PERF_DATA_H */