NEWS

@@ -20,7 +20,6 @@ v0.x.x (xxxx-xx-xx)
 - Improved user experience in the symbol view window.
 - Added support for Direct3D 11 instrumentation.
 - Vulkan contexts can be now calibrated on Linux.
-- Support loading zstd-compressed chrome traces.
 
 
 v0.7.7 (2021-04-01)

import-chrome/src/import-chrome.cpp

@@ -6,24 +6,12 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <unordered_map>
 
-#include <sys/stat.h>
-
-#ifdef _MSC_VER
-#  define stat64 _stat64
-#endif
-#if defined __CYGWIN__ || defined __APPLE__
-#  define stat64 stat
-#endif
-
 #include "json.hpp"
 
 #include "../../server/TracyFileWrite.hpp"
-#include "../../server/TracyMmap.hpp"
 #include "../../server/TracyWorker.hpp"
-#include "../../zstd/zstd.h"
 
 using json = nlohmann::json;
 
@@ -53,59 +41,15 @@ int main( int argc, char** argv )
     printf( "Loading...\r" );
     fflush( stdout );
 
+    std::ifstream is( input );
+    if( !is.is_open() )
+    {
+        fprintf( stderr, "Cannot open input file!\n" );
+        exit( 1 );
+    }
     json j;
-
-    const auto fnsz = strlen( input );
-    if( fnsz > 4 && memcmp( input+fnsz-4, ".zst", 4 ) == 0 )
-    {
-        FILE* f = fopen( input, "rb" );
-        if( !f )
-        {
-            fprintf( stderr, "Cannot open input file!\n" );
-            exit( 1 );
-        }
-        struct stat64 sb;
-        if( stat64( input, &sb ) != 0 )
-        {
-            fprintf( stderr, "Cannot open input file!\n" );
-            fclose( f );
-            exit( 1 );
-        }
-
-        const auto zsz = sb.st_size;
-        auto zbuf = (char*)mmap( nullptr, zsz, PROT_READ, MAP_SHARED, fileno( f ), 0 );
-        fclose( f );
-        if( !zbuf )
-        {
-            fprintf( stderr, "Cannot mmap input file!\n" );
-            exit( 1 );
-        }
-
-        const auto sz = ZSTD_getDecompressedSize( zbuf, zsz );
-        auto buf = new char[sz];
-        const auto res = ZSTD_decompress( buf, sz, zbuf, zsz );
-        munmap( zbuf, zsz );
-        if( ZSTD_isError( res ) )
-        {
-            delete[] buf;
-            fprintf( stderr, "Couldn't decompress input file (%s)!\n", ZSTD_getErrorName( res ) );
-            exit( 1 );
-        }
-
-        j = json::parse( buf, buf+sz );
-        delete[] buf;
-    }
-    else
-    {
-        std::ifstream is( input );
-        if( !is.is_open() )
-        {
-            fprintf( stderr, "Cannot open input file!\n" );
-            exit( 1 );
-        }
-        is >> j;
-        is.close();
-    }
+    is >> j;
+    is.close();
 
     printf( "\33[2KParsing...\r" );
     fflush( stdout );

manual/tracy.tex

@@ -3379,14 +3379,6 @@ You can customize the output with the following command line options:
 
 Tracy can import data generated by other profilers. This external data cannot be directly loaded, but must be converted first. Currently there's only support for converting chrome:tracing data, through the \texttt{import-chrome} utility.
 
-\begin{bclogo}[
-noborder=true,
-couleur=black!5,
-logo=\bclampe
-]{Compressed traces}
-Tracy can import traces compressed with the Zstandard algorithm (for example, using the \texttt{zstd} command-line utility). Traces ending with \texttt{.zst} extension are assumed to be compressed.
-\end{bclogo}
-
 \begin{bclogo}[
 noborder=true,
 couleur=black!5,