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Dmitry Vyukov 8a9d23bf53 tsan: don't initialize trace header in release mode 
We are going to use only a small part of the trace with the default
value of history_size. However, the constructor writes to the whole trace.
It writes mostly zeros, so freshly mmaped memory will do.
The only non-zero field if mutex type used for debugging.

Reduces per-goroutine overhead by 8K.

https://code.google.com/p/thread-sanitizer/issues/detail?id=89

llvm-svn: 229127
 		2015-02-13 17:39:03 +00:00
..
SDKs Build Darwin libclang_rt libraries against real SDKs. 2014-11-10 19:38:15 +00:00
cmake [CMake] PowerPC: detect host endianness to build corresponding version of runtimes. 2015-02-10 01:42:44 +00:00
include [sanitizer] move the coverage interface into a separate header, <sanitizer/coverage_interface.h>. NFC, except for the header name change. This may break existing users, but in this case it's better this way (not too many users so far) 2015-02-03 19:40:53 +00:00
lib tsan: don't initialize trace header in release mode 2015-02-13 17:39:03 +00:00
make [compiler-rt] OS X: Update the CMake and Make builds to explicitely use libc++, mmacosx-version-min and SDKs 2015-01-29 23:19:26 +00:00
test [UBSan] Add report deduplication for -fsanitize=function. 2015-02-11 00:05:31 +00:00
unittests Use the newer python syntax for exceptions 2014-12-13 02:46:56 +00:00
www Rewrite compiler-rt.llvm.org to make it relevant 2014-02-27 14:39:48 +00:00
.arcconfig Update arc config to new domain. 2014-04-07 10:22:41 +00:00
.gitignore Add vim swap files to .gitignore 2014-03-20 19:44:33 +00:00
CMakeLists.txt [compiler-rt] OS X: Update the CMake and Make builds to explicitely use libc++, mmacosx-version-min and SDKs 2015-01-29 23:19:26 +00:00
CODE_OWNERS.TXT Add myself as a c-rt owner of ASan/Win 2014-02-27 12:07:43 +00:00
CREDITS.TXT Add Guan-Hong Liu. 2014-06-16 08:38:19 +00:00
LICENSE.TXT Move Android ucontext.h out of third_party. 2014-03-18 08:32:14 +00:00
Makefile
…
README.txt Moved the builtins documentation to lib/builtins/ 2014-05-28 23:09:45 +00:00

README.txt 

Compiler-RT
================================

This directory and its subdirectories contain source code for the compiler
support routines.

Compiler-RT is open source software. You may freely distribute it under the
terms of the license agreement found in LICENSE.txt.

================================