diff options
Diffstat (limited to 'tools/perf/util/compress.h')
| -rw-r--r-- | tools/perf/util/compress.h | 53 | 
1 files changed, 53 insertions, 0 deletions
diff --git a/tools/perf/util/compress.h b/tools/perf/util/compress.h index 892e92e7e7fc..0cd3369af2a4 100644 --- a/tools/perf/util/compress.h +++ b/tools/perf/util/compress.h @@ -2,6 +2,11 @@  #ifndef PERF_COMPRESS_H  #define PERF_COMPRESS_H +#include <stdbool.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); @@ -12,4 +17,52 @@ int lzma_decompress_to_file(const char *input, int output_fd);  bool lzma_is_compressed(const char *input);  #endif +struct zstd_data { +#ifdef HAVE_ZSTD_SUPPORT +	ZSTD_CStream	*cstream; +	ZSTD_DStream	*dstream; +#endif +}; + +#ifdef HAVE_ZSTD_SUPPORT + +int zstd_init(struct zstd_data *data, int level); +int zstd_fini(struct zstd_data *data); + +size_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 +size_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 */  |