Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Alexey Budankov |
229 |
59.95% |
2 |
15.38% |
| Stephen Brennan |
59 |
15.45% |
2 |
15.38% |
| Namhyung Kim |
49 |
12.83% |
2 |
15.38% |
| Arnaldo Carvalho de Melo |
15 |
3.93% |
1 |
7.69% |
| Jiri Olsa |
15 |
3.93% |
2 |
15.38% |
| Ian Rogers |
8 |
2.09% |
1 |
7.69% |
| Ingo Molnar |
3 |
0.79% |
1 |
7.69% |
| Peter Zijlstra |
3 |
0.79% |
1 |
7.69% |
| Greg Kroah-Hartman |
1 |
0.26% |
1 |
7.69% |
| Total |
382 |
|
13 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef PERF_COMPRESS_H
#define PERF_COMPRESS_H
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <sys/types.h>
#include <linux/compiler.h>
#ifdef HAVE_ZSTD_SUPPORT
#include <zstd.h>
#endif
#ifdef HAVE_ZLIB_SUPPORT
int gzip_decompress_to_file(const char *input, int output_fd);
bool gzip_is_compressed(const char *input);
#endif
#ifdef HAVE_LZMA_SUPPORT
int lzma_decompress_stream_to_file(FILE *input, int output_fd);
int lzma_decompress_to_file(const char *input, int output_fd);
bool lzma_is_compressed(const char *input);
#else
static inline
int lzma_decompress_stream_to_file(FILE *input __maybe_unused,
int output_fd __maybe_unused)
{
return -1;
}
static inline
int lzma_decompress_to_file(const char *input __maybe_unused,
int output_fd __maybe_unused)
{
return -1;
}
static inline int lzma_is_compressed(const char *input __maybe_unused)
{
return false;
}
#endif
struct zstd_data {
#ifdef HAVE_ZSTD_SUPPORT
ZSTD_CStream *cstream;
ZSTD_DStream *dstream;
int comp_level;
#endif
};
#ifdef HAVE_ZSTD_SUPPORT
int zstd_init(struct zstd_data *data, int level);
int zstd_fini(struct zstd_data *data);
ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size,
void *src, size_t src_size, size_t max_record_size,
size_t process_header(void *record, size_t increment));
size_t zstd_decompress_stream(struct zstd_data *data, void *src, size_t src_size,
void *dst, size_t dst_size);
#else /* !HAVE_ZSTD_SUPPORT */
static inline int zstd_init(struct zstd_data *data __maybe_unused, int level __maybe_unused)
{
return 0;
}
static inline int zstd_fini(struct zstd_data *data __maybe_unused)
{
return 0;
}
static inline
ssize_t zstd_compress_stream_to_records(struct zstd_data *data __maybe_unused,
void *dst __maybe_unused, size_t dst_size __maybe_unused,
void *src __maybe_unused, size_t src_size __maybe_unused,
size_t max_record_size __maybe_unused,
size_t process_header(void *record, size_t increment) __maybe_unused)
{
return 0;
}
static inline size_t zstd_decompress_stream(struct zstd_data *data __maybe_unused, void *src __maybe_unused,
size_t src_size __maybe_unused, void *dst __maybe_unused,
size_t dst_size __maybe_unused)
{
return 0;
}
#endif
#endif /* PERF_COMPRESS_H */