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;
35 enum perf_data_mode mode;
39 struct perf_data_file *files;
44 static inline bool perf_data__is_read(struct perf_data *data)
46 return data->mode == PERF_DATA_MODE_READ;
49 static inline bool perf_data__is_write(struct perf_data *data)
51 return data->mode == PERF_DATA_MODE_WRITE;
54 static inline int perf_data__is_pipe(struct perf_data *data)
59 static inline bool perf_data__is_dir(struct perf_data *data)
64 static inline bool perf_data__is_single_file(struct perf_data *data)
66 return data->dir.version == PERF_DIR_SINGLE_FILE;
69 static inline int perf_data__fd(struct perf_data *data)
72 return fileno(data->file.fptr);
77 int perf_data__open(struct perf_data *data);
78 void perf_data__close(struct perf_data *data);
79 ssize_t perf_data__read(struct perf_data *data, void *buf, size_t size);
80 ssize_t perf_data__write(struct perf_data *data,
81 void *buf, size_t size);
82 ssize_t perf_data_file__write(struct perf_data_file *file,
83 void *buf, size_t size);
85 * If at_exit is set, only rename current perf.data to
86 * perf.data.<postfix>, continue write on original data.
87 * Set at_exit when flushing the last output.
89 * Return value is fd of new output.
91 int perf_data__switch(struct perf_data *data,
93 size_t pos, bool at_exit, char **new_filepath);
95 int perf_data__create_dir(struct perf_data *data, int nr);
96 int perf_data__open_dir(struct perf_data *data);
97 void perf_data__close_dir(struct perf_data *data);
98 int perf_data__update_dir(struct perf_data *data);
99 unsigned long perf_data__size(struct perf_data *data);
100 int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz);
101 char *perf_data__kallsyms_name(struct perf_data *data);
102 bool is_perf_data(const char *path);
103 #endif /* __PERF_DATA_H */