Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __PERF_DATA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __PERF_DATA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) enum perf_data_mode {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	PERF_DATA_MODE_WRITE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	PERF_DATA_MODE_READ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) enum perf_dir_version {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	PERF_DIR_SINGLE_FILE	= 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	PERF_DIR_VERSION	= 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct perf_data_file {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	char		*path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	int		 fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	unsigned long	 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct perf_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	const char		*path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	struct perf_data_file	 file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	bool			 is_pipe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	bool			 is_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	bool			 force;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	enum perf_data_mode	 mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		u64			 version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		struct perf_data_file	*files;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		int			 nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	} dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static inline bool perf_data__is_read(struct perf_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	return data->mode == PERF_DATA_MODE_READ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static inline bool perf_data__is_write(struct perf_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	return data->mode == PERF_DATA_MODE_WRITE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static inline int perf_data__is_pipe(struct perf_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	return data->is_pipe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static inline bool perf_data__is_dir(struct perf_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	return data->is_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static inline bool perf_data__is_single_file(struct perf_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	return data->dir.version == PERF_DIR_SINGLE_FILE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static inline int perf_data__fd(struct perf_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	return data->file.fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int perf_data__open(struct perf_data *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) void perf_data__close(struct perf_data *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ssize_t perf_data__write(struct perf_data *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 			      void *buf, size_t size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) ssize_t perf_data_file__write(struct perf_data_file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 			      void *buf, size_t size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)  * If at_exit is set, only rename current perf.data to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)  * perf.data.<postfix>, continue write on original data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)  * Set at_exit when flushing the last output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)  * Return value is fd of new output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) int perf_data__switch(struct perf_data *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 			   const char *postfix,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 			   size_t pos, bool at_exit, char **new_filepath);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) int perf_data__create_dir(struct perf_data *data, int nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) int perf_data__open_dir(struct perf_data *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) void perf_data__close_dir(struct perf_data *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int perf_data__update_dir(struct perf_data *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) unsigned long perf_data__size(struct perf_data *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) char *perf_data__kallsyms_name(struct perf_data *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #endif /* __PERF_DATA_H */