mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
103 lines
2.4 KiB
103 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef __PERF_DATA_H |
|
#define __PERF_DATA_H |
|
|
|
#include <stdio.h> |
|
#include <stdbool.h> |
|
|
|
enum perf_data_mode { |
|
PERF_DATA_MODE_WRITE, |
|
PERF_DATA_MODE_READ, |
|
}; |
|
|
|
enum perf_dir_version { |
|
PERF_DIR_SINGLE_FILE = 0, |
|
PERF_DIR_VERSION = 1, |
|
}; |
|
|
|
struct perf_data_file { |
|
char *path; |
|
union { |
|
int fd; |
|
FILE *fptr; |
|
}; |
|
unsigned long size; |
|
}; |
|
|
|
struct perf_data { |
|
const char *path; |
|
struct perf_data_file file; |
|
bool is_pipe; |
|
bool is_dir; |
|
bool force; |
|
bool use_stdio; |
|
bool in_place_update; |
|
enum perf_data_mode mode; |
|
|
|
struct { |
|
u64 version; |
|
struct perf_data_file *files; |
|
int nr; |
|
} dir; |
|
}; |
|
|
|
static inline bool perf_data__is_read(struct perf_data *data) |
|
{ |
|
return data->mode == PERF_DATA_MODE_READ; |
|
} |
|
|
|
static inline bool perf_data__is_write(struct perf_data *data) |
|
{ |
|
return data->mode == PERF_DATA_MODE_WRITE; |
|
} |
|
|
|
static inline int perf_data__is_pipe(struct perf_data *data) |
|
{ |
|
return data->is_pipe; |
|
} |
|
|
|
static inline bool perf_data__is_dir(struct perf_data *data) |
|
{ |
|
return data->is_dir; |
|
} |
|
|
|
static inline bool perf_data__is_single_file(struct perf_data *data) |
|
{ |
|
return data->dir.version == PERF_DIR_SINGLE_FILE; |
|
} |
|
|
|
static inline int perf_data__fd(struct perf_data *data) |
|
{ |
|
if (data->use_stdio) |
|
return fileno(data->file.fptr); |
|
|
|
return data->file.fd; |
|
} |
|
|
|
int perf_data__open(struct perf_data *data); |
|
void perf_data__close(struct perf_data *data); |
|
ssize_t perf_data__read(struct perf_data *data, void *buf, size_t size); |
|
ssize_t perf_data__write(struct perf_data *data, |
|
void *buf, size_t size); |
|
ssize_t perf_data_file__write(struct perf_data_file *file, |
|
void *buf, size_t size); |
|
/* |
|
* If at_exit is set, only rename current perf.data to |
|
* perf.data.<postfix>, continue write on original data. |
|
* Set at_exit when flushing the last output. |
|
* |
|
* Return value is fd of new output. |
|
*/ |
|
int perf_data__switch(struct perf_data *data, |
|
const char *postfix, |
|
size_t pos, bool at_exit, char **new_filepath); |
|
|
|
int perf_data__create_dir(struct perf_data *data, int nr); |
|
int perf_data__open_dir(struct perf_data *data); |
|
void perf_data__close_dir(struct perf_data *data); |
|
int perf_data__update_dir(struct perf_data *data); |
|
unsigned long perf_data__size(struct perf_data *data); |
|
int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz); |
|
char *perf_data__kallsyms_name(struct perf_data *data); |
|
bool is_perf_data(const char *path); |
|
#endif /* __PERF_DATA_H */
|
|
|