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Gather file compression statistics.

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This commit is contained in:
Bartosz Taudul 2020-02-08 12:57:35 +01:00
parent 068e752aa7
commit 6f554d7f00
1 changed files with 17 additions and 4 deletions
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21
server/TracyFileWrite.hpp
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@ -9,6 +9,7 @@
#include <assert.h> #include <assert.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <utility>
#include "TracyFileHeader.hpp" #include "TracyFileHeader.hpp"
#include "../common/tracy_lz4.hpp" #include "../common/tracy_lz4.hpp"
@ -36,16 +37,18 @@ public:
~FileWrite() ~FileWrite()
{ {
if( m_offset > 0 ) if( m_offset > 0 ) WriteLz4Block();
{
WriteLz4Block();
}
fclose( m_file ); fclose( m_file );
if( m_stream ) LZ4_freeStream( m_stream ); if( m_stream ) LZ4_freeStream( m_stream );
if( m_streamHC ) LZ4_freeStreamHC( m_streamHC ); if( m_streamHC ) LZ4_freeStreamHC( m_streamHC );
} }
void Finish()
{
if( m_offset > 0 ) WriteLz4Block();
}
tracy_force_inline void Write( const void* ptr, size_t size ) tracy_force_inline void Write( const void* ptr, size_t size )
{ {
if( m_offset + size <= BufSize ) if( m_offset + size <= BufSize )
@ -58,6 +61,8 @@ public:
} }
} }
std::pair<size_t, size_t> GetCompressionStatistics() const { return std::make_pair( m_srcBytes, m_dstBytes ); }
private: private:
FileWrite( FILE* f, Compression comp ) FileWrite( FILE* f, Compression comp )
: m_stream( nullptr ) : m_stream( nullptr )
@ -66,6 +71,8 @@ private:
, m_buf( m_bufData[0] ) , m_buf( m_bufData[0] )
, m_second( m_bufData[1] ) , m_second( m_bufData[1] )
, m_offset( 0 ) , m_offset( 0 )
, m_srcBytes( 0 )
, m_dstBytes( 0 )
{ {
switch( comp ) switch( comp )
{ {
@ -123,6 +130,10 @@ private:
{ {
sz = LZ4_compress_HC_continue( m_streamHC, m_buf, lz4, m_offset, LZ4Size ); sz = LZ4_compress_HC_continue( m_streamHC, m_buf, lz4, m_offset, LZ4Size );
} }
m_srcBytes += m_offset;
m_dstBytes += sz;
fwrite( &sz, 1, sizeof( sz ), m_file ); fwrite( &sz, 1, sizeof( sz ), m_file );
fwrite( lz4, 1, sz, m_file ); fwrite( lz4, 1, sz, m_file );
m_offset = 0; m_offset = 0;
@ -139,6 +150,8 @@ private:
char* m_buf; char* m_buf;
char* m_second; char* m_second;
size_t m_offset; size_t m_offset;
size_t m_srcBytes;
size_t m_dstBytes;
}; };
} }