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This commit replaces the "golang" moniker in the README file with the
appropriate name of "Go" per https://golang.org/doc/faq#go_or_golang.
In this context, no disambiguation is required.
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Clang mostly ignores those anyways, so our tests needed better way to
disable optimizations (clang is quite aggressive replacing new/delete
pair with stack allocation).
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typo corrected and direct link to Google Group mailinglist added
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Applied patch by Mikhail Veltishchev
git-svn-id: http://gperftools.googlecode.com/svn/trunk@220 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* gperftools: version 2.0
* Renamed the project from google-perftools to gperftools (csilvers)
* Renamed the .deb/.rpm packagse from google-perftools to gperftools too
* Renamed include directory from google/ to gperftools/ (csilvers)
* Changed the 'official' perftools email in setup.py/etc
* Renamed google-perftools.sln to gperftools.sln
* PORTING: Removed bash-isms & grep -q in heap-checker-death_unittest.sh
* Changed copyright text to reflect Google's relinquished ownership
git-svn-id: http://gperftools.googlecode.com/svn/trunk@142 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: version 1.8 release
* PORTING: (Disabled) support for patching mmap on freebsd (chapp...)
* PORTING: Support volatile __malloc_hook for glibc 2.14 (csilvers)
* PORTING: Use _asm rdtsc and __rdtsc to get cycleclock in windows (koda)
* PORTING: Fix fd vs. HANDLE compiler error on cygwin (csilvers)
* PORTING: Do not test memalign or double-linking on OS X (csilvers)
* PORTING: Actually enable TLS on windows (jontra)
* PORTING: Some work to compile under Native Client (krasin)
* PORTING: deal with pthread_once w/o -pthread on freebsd (csilvers)
* Rearrange libc-overriding to make it easier to port (csilvers)
* Display source locations in pprof disassembly (sanjay)
* BUGFIX: Actually initialize allocator name (mec)
* BUGFIX: Keep track of 'overhead' bytes in malloc reporting (csilvers)
* Allow ignoring one object twice in the leak checker (glider)
* BUGFIX: top10 in pprof should print 10 lines, not 11 (rsc)
* Refactor vdso source files (tipp)
* Some documentation cleanups
* Document MAX_TOTAL_THREAD_CACHE_SIZE <= 1Gb (nsethi)
* Add MallocExtension::GetOwnership(ptr) (csilvers)
* BUGFIX: We were leaving out a needed $(top_srcdir) in the Makefile
* PORTING: Support getting argv0 on OS X
* Add 'weblist' command to pprof: like 'list' but html (sanjay)
* Improve source listing in pprof (sanjay)
* Cap cache sizes to reduce fragmentation (ruemmler)
* Improve performance by capping or increasing sizes (ruemmler)
* Add M{,un}mapReplacmenet hooks into MallocHook (ribrdb)
* Refactored system allocator logic (gangren)
* Include cleanups (csilvers)
* Add TCMALLOC_SMALL_BUT_SLOW support (ruemmler)
* Clarify that tcmalloc stats are MiB (robinson)
* Remove support for non-tcmalloc debugallocation (blount)
* Add a new test: malloc_hook_test (csilvers)
* Change the configure script to be more crosstool-friendly (mcgrathr)
* PORTING: leading-underscore changes to support win64 (csilvers)
* Improve debugallocation tc_malloc_size (csilvers)
* Extend atomicops.h and cyceclock to use ARM V6+ optimized code (sanek)
* Change malloc-hook to use a list-like structure (llib)
* Add flag to use MAP_PRIVATE in memfs_malloc (gangren)
* Windows support for pprof: nul and /usr/bin/file (csilvers)
* TESTING: add test on strdup to tcmalloc_test (csilvers)
* Augment heap-checker to deal with no-inode maps (csilvers)
* Count .dll/.dylib as shared libs in heap-checker (csilvers)
* Disable sys_futex for arm; it's not always reliable (sanek)
* PORTING: change lots of windows/port.h macros to functions
* BUGFIX: Generate correct version# in tcmalloc.h on windows (csilvers)
* PORTING: Some casting to make solaris happier about types (csilvers)
* TESTING: Disable debugallocation_test in 'minimal' mode (csilvers)
* Rewrite debugallocation to be more modular (csilvers)
* Don't try to run the heap-checker under valgrind (ppluzhnikov)
* BUGFIX: Make focused stat %'s relative, not absolute (sanjay)
* BUGFIX: Don't use '//' comments in a C file (csilvers)
* Quiet new-gcc compiler warnings via -Wno-unused-result, etc (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@110 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* #include fixes (jyrki)
* Add missing stddef.h for ptrdiff_t (mec)
* Add M{,un}mapReplacement hooks into MallocHook (ribrdb)
* Force big alloc in frag test (ruemmler)
* PERF: Increase the size class cache to 64K entries (ruemmler)
* PERF: Increase the transfer cache by 16x (ruemmler)
* Use windows intrinsic to get the tsc (csilvers)
* Rename atomicops-internals-x86-msvc.h->windows.h (csilvers)
* Remove flaky DEATH test in malloc_hook_test (ppluzhnikov)
* Expose internal ReadStackTraces()/etc (lantran)
* Refactored system allocator logic (gangren)
* Include-what-you-use: cleanup tcmalloc #includes (csilvers)
* Don't set kAddressBits to 48 on 32-bit systems (csilvers)
* Add declaration for __rdtsc() for windows (koda)
* Don't revert to system alloc for expected errors (gangren)
* Add TCMALLOC_SMALL_BUT_SLOW support (ruemmler)
* Clarify that tcmalloc stats are MiB (robinson)
* Avoid setting cpuinfo_cycles_per_second to 0 (koda)
* Fix frag_unittest memory calculations (ruemmler)
* Remove support for non-tcmalloc debugallocation (blount)
* Add malloc_hook_test (llib)
* Change the objcopy -W test to be cross-friendly (mcgrathr)
* Export __tcmalloc in addition to _tcmalloc, for 86_64 (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@109 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: version 1.7 release
* Reduce page map key size under x86_64 by 4.4MB (rus)
* Remove a flaky malloc-extension test (fdabek)
* Improve the performance of PageHeap::New (ond..., csilvers)
* Improve sampling_test with no-inline additions/etc (fdabek)
* 16-byte align debug allocs (jyasskin)
* Change FillProcSelfMaps to detect out-of-buffer-space (csilvers)
* Document the need for sampling to use GetHeapSample (csilvers)
* Try to read TSC frequency from tsc_freq_khs (adurbin)
* Do better at figuring out if tests are running under gdb (ppluzhnikov)
* Improve spinlock contention performance (ruemmler)
* Better internal-function list for pprof's /contention (ruemmler)
* Speed up GoogleOnce (m3b)
* Limit number of incoming/outgoing edges in pprof (sanjay)
* Add pprof --evince to go along with --gv (csilvers)
* Document the various ways to get heap-profiling information (csilvers)
* Separate out synchronization profiling routines (ruemmler)
* Improve malloc-stats output to be more understandable (csilvers)
* Add support for census profiler in pporf (nabeelmian)
* Document how pprof's /symbol must support GET requests (csilvers)
* Improve acx_pthread.m4 (ssuomi, liujisi)
* Speed up pprof's ExtractSymbols (csilvers)
* Ignore some known-leaky (java) libraries in the heap checker (davidyu)
* Make kHideMask use all 64 bits in tests (ppluzhnikov)
* Clean up pprof input-file handling (csilvers)
* BUGFIX: Don't crash if __environ is NULL (csilvers)
* BUGFIX: Fix totally broken debugallocation tests (csilvers)
* BUGFIX: Fix up fake_VDSO handling for unittest (ppluzhnikov)
* BUGFIX: Suppress all large allocs when report threshold is 0 (lexie)
* BUGFIX: mmap2 on i386 takes an off_t, not off64_t (csilvers)
* PORTING: Add missing PERFTOOLS_DLL_DECL (csilvers)
* PORTING: Add stddef.h to make newer gcc's happy (csilvers)
* PORTING: Document some tricks for working under OS X (csilvers)
* PORTING: Don't try to check valgrind for windows (csilvers)
* PORTING: Make array-size a var to compile under clang (chandlerc)
* PORTING: No longer hook _aligned_malloc and _aligned_free (csilvers)
* PORTING: Quiet some gcc warnings (csilvers)
* PORTING: Replace %PRIxPTR with %p to be more portable (csilvers)
* PORTING: Support systems that capitalize /proc weirdly (sanek)
* PORTING: Treat arm3 the same as arm5t in cycletimer (csilvers)
* PORTING: Update windows logging to not allocate memory (csilvers)
* PORTING: avoid double-patching newer windows DLLs (roger.orr)
* PORTING: get dynamic_annotations.c to work on windows (csilvers)
* Add pkg-config .pc files for the 5 libraries we produce (csilvers)
* Added proper libtool versioning, so this lib will be 0.1.0 (csilvers)
* Moved from autoconf 2.64 to 2.65
git-svn-id: http://gperftools.googlecode.com/svn/trunk@102 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* Add new IsDebuggerAttached method (ppluzhnikov)
* Document some tricks for maybe getting perftools to work on OS X
* Redo file-top pprof commands (csilvers)
* Clean up pprof input-file handling (csilvers)
* 16-byte align debug allocs (jyasskin)
* Ignore JVM memory leakage in the heap checker (davidyu, kkurimoto)
* Better internal-function list for contentionz (ruemmler)
* mmap2 on i386 takes an off_t, not an off64_t (csilvers)
* Fix up fake-VDSO handling for unittest (ppluzhnikov)
* Don't try to check valgrind for windows (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@101 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* Clarified meaning of various malloc stats
* Change from ATTRIBUTED_DEPRECATED to comments
* Make array-size a var to compile under clang
* Reduce page map key size under x86_64 by 4.4MB
* Added full qualification to MemoryBarrier
* Support systems that capitalize /proc weirdly
* Avoid gcc warning: exporting type in unnamed ns
* Add some dynamic annotations for gcc attributes
* Add support for census profiler in pprof
* Speed up pprof's ExtractSymbols
* Speed up GoogleOnce
* Add pkg-config (.pc) files
* Detect when __environ exists but is NULL
* Improve spinlock contention performance
* Add GetFreeListSizes
* Improve sampling_test, eg by adding no-inline
* Relax malloc_extension test-check for big pages
* Add proper library version number information
* Update from autoconf 2.64 to 2.65
* Better document how to write a server that works with pprof
* Change FillProcSelfMaps to better handle out-of-space
* No longer hook _aligned_malloc/free in windows
* Handle function-forwarding in DLLs when patching (in windows)
* Update .vcproj files that had wrong .cc files in them (!)
* get rid of unnecessary 'size < 0'
* fix comments a bit in sysinfo.cc
* another go at improving malloc-stats output
* fix comment typo in profiler.cc
* Add a few more thread annotations
* Try to read TSC frequency from 'tsc_freq_khz'
* Fix annotalysis/TSAN incompatibility
* Add pprof --evince to go along with --gv
* Document need for sampling to use GetHeapSample
* Fix flakiness in malloc_extension_test
* Separate out synchronization profiling routines
git-svn-id: http://gperftools.googlecode.com/svn/trunk@99 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: version 1.6 release
* Add tc_malloc_usable_size for compatibility with glibc (csilvers)
* Override malloc_usable_size with tc_malloc_usable_size (csilvers)
* Default to no automatic heap sampling in tcmalloc (csilvers)
* Add -DTCMALLOC_LARGE_PAGES, a possibly faster tcmalloc (rus)
* Make some functions extern "C" to avoid false ODR warnings (jyasskin)
* pprof: Add SVG-based output (rsc)
* pprof: Extend pprof --tools to allow per-tool configs (csilvers)
* pprof: Improve support of 64-bit and big-endian profiles (csilvers)
* pprof: Add interactive callgrind suport (weidenri...)
* pprof: Improve address->function mapping a bit (dpeng)
* Better detection of when we're running under valgrind (csilvers)
* Better CPU-speed detection under valgrind (saito)
* Use, and recommend, -fno-builtin-malloc when compiling (csilvers)
* Avoid false-sharing of memory between caches (bmaurer)
* BUGFIX: Fix heap sampling to use correct alloc size (bmauer)
* BUGFIX: Avoid gcc 4.0.x bug by making hook-clearing atomic (csilvers)
* BUGFIX: Avoid gcc 4.5.x optimization bug (csilvers)
* BUGFIX: Work around deps-determining bug in libtool 1.5.26 (csilvers)
* BUGFIX: Fixed test to use HAVE_PTHREAD, not HAVE_PTHREADS (csilvers)
* BUGFIX: Fix tls callback behavior on windows when using wpo (wtc)
* BUGFIX: properly align allocation sizes on Windows (antonm)
* BUGFIX: Fix prototypes for tcmalloc/debugalloc wrt throw() (csilvers)
* DOC: Updated heap-checker doc to match reality better (fischman)
* DOC: Document ProfilerFlush, ProfilerStartWithOptions (csilvers)
* DOC: Update docs for heap-profiler functions (csilvers)
* DOC: Clean up documentation around tcmalloc.slack_bytes (fikes)
* DOC: Renamed README.windows to README_windows.txt (csilvers)
* DOC: Update the NEWS file to be non-empty (csilvers)
* PORTING: Fix windows addr2line and nm with proper rc code (csilvers)
* PORTING: Add CycleClock and atomicops support for arm 5 (sanek)
* PORTING: Improve PC finding on cygwin and redhat 7 (csilvers)
* PORTING: speed up function-patching under windows (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@97 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* Add -DTCMALLOC_LARGE_PAGES: better perf for some workloads (rus)
* Extend pprof --tools to allow per-tool configs (csilvers)
* Have STL_Allocator pass on # bytes to free (richardfang)
* Add a header guard to config.h (csilvers)
* DOC: Clean up documentation around tcmalloc.slack_bytes (fikes)
* DOC: Document ProfilerFlush, ProfilerStartWithOptions (csilvers)
* PORTING: Work around a gcc 4.5.0 optimization bug (csilvers)
* PORTING: Use -fno-builtin-malloc and friends when compiling tcmalloc
* PORTING: Define _WIN32_WINNT high enough for mingw (csilvers)
* PORTING: Work around libtool bug getting deps wrong in some cases
* Update README.windows to emphasize $IncludeDir more (csilvers)
* Rename README.windows to README_windows.txt (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@95 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: version 1.3 release
* Provide our own name for memory functions: tc_malloc, etc (csilvers)
* Weaken memory-alloc functions so user can override them (csilvers)
* Remove meaningless delete(nothrow) and delete[](nothrow) (csilvers)
* BUILD: replace clever libtcmalloc/profiler.a with a new .a (csilvers)
* PORTING: improve windows port by using google spinlocks (csilvers)
* PORTING: Fix RedHat 9 memory allocation in heapchecker (csilvers)
* PORTING: Rename OS_WINDOWS macro to PLATFORM_WINDOWS (mbelshe)
* PORTING/BUGFIX: Make sure we don't clobber GetLastError (mbelshe)
* BUGFIX: get rid of useless data for callgrind (weidenrinde)
* BUGFIX: Modify windows patching to deadlock sometimes (csilvers)
* BUGFIX: an improved fix for hook handling during fork (csilvers)
* BUGFIX: revamp profiler_unittest.sh, which was very broken (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@74 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: version 1.1 release
* Dynamically resize thread caches -- nice perf. improvement (kash)
* Add VDSO support to give better stacktraces in linux (ppluzhnikov)
* Improve heap-profiling sampling algorithm (ford)
* Rewrite leak-checking code: should be faster and more robust (sanjay)
* Use ps2 instead of ps for dot: better page cropping for gv (csilvers)
* Disable malloc-failure warning messages by default (csilvers)
* Update config/Makefile to disable tests on a per-OS basis (csilvers)
* PORTING: Get perftools compiling under MSVC 7.1 again (csilvers)
* PORTING: Get perftools compiling under cygwin again (csilvers)
* PORTING: automatically set library flags for solaris x86 (csilvers)
* Add TCMALLOC_SKIP_SBRK to mirror TCMALLOC_SKIP_MMAP (csilvers)
* Add --enable flags to allow selective building (csilvers)
* Put addr2line-pdb and nm-pdb in proper output directory (csilvers)
* Remove deprecated DisableChecksIn (sanjay)
* DOCUMENTATION: Document most MallocExtension routines (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@66 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: version 0.99 release
* Add IsHeapProfileRunning (csilvers)
* Add C shims for some of the C++ header files (csilvers)
* Fix heap profile file clean-up logic (maxim)
* Rename linuxthreads.c to .cc for better compiler support (csilvers)
* Add source info to disassembly in pprof (sanjay)
* Use open instead of fopen to avoid memory alloc (csilvers)
* Disable malloc extensions when running under valgrind (kcc)
* BUG FIX: Fix out-of-bound error by reordering a check (larryz)
* Add Options struct to ProfileData (cgd)
* Correct PC-handling of --base in pprof (csilvers)
* Handle 1 function occurring twice in an image (sanjay)
* Improve stack-data cleaning (maxim)
* Use 'struct Foo' to make header C compatible (csilvers)
* Add 'total' line to pprof --text (csilvers)
* Pre-allocate buffer for heap-profiler to avoid OOM errors (csilvers)
* Allow a few more env-settings to control tcmalloc (csilvers)
* Document some of the issues involving thread-local storage (csilvers)
* BUG FIX: Define strtoll and friends for windows (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@54 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* PORTING: everything compiles on Solaris, OS X, FreeBSD (see INSTALL)
* PORTING: cpu-profiler works on most platforms (much better GetPC())
* PORTING: heap-profiler works on most platforms
* PORTING: improved windows support, including release builds
* No longer build or run ptmalloc tests by default
* Add support for using memfs filesystem to allocate memory in linux
* WINDOWS: give debug library and release library different names
Tue Jul 17 22:26:27 2007 Google Inc. <opensource@google.com>
git-svn-id: http://gperftools.googlecode.com/svn/trunk@38 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: version 0.92 release
* PERFORMANCE: use a packed cache to speed up tcmalloc
* PORTING: preliminary windows support! (see README.windows)
* PORTING: better support for solaris, OS X, FreeBSD (see INSTALL)
* Envvar support for running the heap-checker under gdb
* Add weak declarations to maybe_threads to fix no-pthreads compile bugs
* Some 64bit fixes, especially with pprof
* Better heap-checker support for some low-level allocations
* Fix bug where heap-profiles would sometimes get truncated
* New documentation about how to handle common heap leak situations
* Use computed includes for hash_map/set: easier config
* Added all used .m4 templates to the distribution
git-svn-id: http://gperftools.googlecode.com/svn/trunk@36 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: version 0.91 release
* Brown-paper-bag bugfix: compilation error on some x86-64 machines
git-svn-id: http://gperftools.googlecode.com/svn/trunk@30 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: version 0.90 release
* (As the version-number jump hints, this is a major new release:
almost every piece of functionality was rewritten. I can't do
justice to all the changes, but will concentrate on highlights.)
*** USER-VISIBLE CHANGES:
* Ability to "release" unused memory added to tcmalloc
* Exposed more tweaking knobs via environment variables (see docs)
* pprof tries harder to map addresses to functions
* tcmalloc_minimal compiles and runs on FreeBSD 6.0 and Solaris 10
*** INTERNAL CHANGES:
* Much better 64-bit support
* Better multiple-processor support (e.g. multicore contention tweaks)
* Support for recent kernel ABI changes (e.g. new arg to mremap)
* Addition of spinlocks to tcmalloc to reduce contention cost
* Speed up tcmalloc by using __thread on systems that support TLS
* Total redesign of heap-checker to improve liveness checking
* More portable stack-frame analysis -- no more hard-coded constants!
* Disentangled heap-profiler code and heap-checker code
* Several new unittests to test, e.g., thread-contention costs
* Lots of small (but important!) bug fixes: e.g., fixing GetPC on amd64
*** KNOWN PROBLEMS:
* CPU-profiling may crash on x86_64 (64-bit) systems. See the README
* Profiling/heap-checking may deadlock on x86_64 systems. See README
git-svn-id: http://gperftools.googlecode.com/svn/trunk@28 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: version 0.2 release
* Use mmap2() instead of mmap(), to map more memory (menage)
* Do correct pthread-local checking in heap-checker! (maxim)
* Avoid overflow on 64-bit machines in pprof (sanjay)
* Add a few more GetPC() functions, including for AMD (csilvers)
* Better method for overriding pthread functions (menage)
* (Hacky) fix to avoid overwriting profile files after fork() (csilvers)
* Crashing bugfix involving dumping heaps on small-stack threads (tudor)
* Allow library versions with letters at the end (csilvers)
* Config fixes for systems that don't define PATH_MAX (csilvers)
* Confix fixes so we no longer need config.h after install (csilvers)
* Fix to pprof to correctly read very big cpu profiles (csilvers)
* Fix to pprof to deal with new commandline flags in modern gv's
* Better error reporting when we can't access /proc/maps (etune)
* Get rid of the libc-preallocate code (which could crash on some
systems); no longer needed with local-threads fix (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@11 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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* google-perftools: initial release:
The google-perftools package contains some utilities to improve
and analyze the performance of C++ programs. This includes an
optimized thread-caching malloc() and cpu and heap profiling
utilities.
git-svn-id: http://gperftools.googlecode.com/svn/trunk@9 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
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