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| author | dim <dim@FreeBSD.org> | 2012-12-02 13:20:44 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-12-02 13:20:44 +0000 |
| commit | 056abd2059c65a3e908193aeae16fad98017437c (patch) | |
| tree | 2732d02d7d51218d6eed98ac7fcfc5b8794896b5 /docs/ThreadSanitizer.html | |
| parent | cc73504950eb7b5dff2dded9bedd67bc36d64641 (diff) | |
| download | FreeBSD-src-056abd2059c65a3e908193aeae16fad98017437c.zip FreeBSD-src-056abd2059c65a3e908193aeae16fad98017437c.tar.gz | |
Vendor import of clang release_32 branch r168974 (effectively, 3.2 RC2):
http://llvm.org/svn/llvm-project/cfe/branches/release_32@168974
Diffstat (limited to 'docs/ThreadSanitizer.html')
| -rw-r--r-- | docs/ThreadSanitizer.html | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/docs/ThreadSanitizer.html b/docs/ThreadSanitizer.html index 7a1d075..aa251c1 100644 --- a/docs/ThreadSanitizer.html +++ b/docs/ThreadSanitizer.html @@ -37,9 +37,8 @@ Typical slowdown introduced by ThreadSanitizer is <b>5x-15x</b> (TODO: these num approximate so far). <h2 id="howtobuild">How to build</h2> -Follow the <a href="../get_started.html">clang build instructions</a>. <BR> -Note: CMake build does not work yet. -See <a href="http://llvm.org/bugs/show_bug.cgi?id=12272">bug 12272</a>. +Follow the <a href="../get_started.html">clang build instructions</a>. +CMake build is supported.<BR> <h2 id="platforms">Supported Platforms</h2> ThreadSanitizer is supported on Linux x86_64 (tested on Ubuntu 10.04). <BR> @@ -49,8 +48,8 @@ Support for 32-bit platforms is problematic and not yet planned. <h2 id="usage">Usage</h2> -Simply compile your program with <tt>-fthread-sanitizer -fPIE</tt> and link it -with <tt>-fthread-sanitizer -pie</tt>.<BR> +Simply compile your program with <tt>-fsanitize=thread -fPIE</tt> and link it +with <tt>-fsanitize=thread -pie</tt>.<BR> To get a reasonable performance add <tt>-O1</tt> or higher. <BR> Use <tt>-g</tt> to get file names and line numbers in the warning messages. <BR> @@ -73,7 +72,7 @@ int main() { </pre> <pre> -% clang -fthread-sanitizer -g -O1 tiny_race.c -fPIE -pie +% clang -fsanitize=thread -g -O1 tiny_race.c -fPIE -pie </pre> If a bug is detected, the program will print an error message to stderr. @@ -111,7 +110,9 @@ This means that tools like <tt>ulimit</tt> may not work as usually expected. ThreadSanitizer is in alpha stage. It is known to work on large C++ programs using pthreads, but we do not promise anything (yet). <BR> -C++11 threading is not yet supported. +C++11 threading is not yet supported. <BR> +The test suite is integrated into CMake build and can be run with +<tt>make check-tsan</tt> command. <BR> We are actively working on enhancing the tool -- stay tuned. Any help, especially in the form of minimized standalone tests is more than welcome. |
