* google-perftools: version 1.10 release
* PORTING: Support for patching assembly on win x86_64! (scott.fr...)
* PORTING: Work around atexit-execution-order bug on freebsd (csilvers)
* PORTING: Patch _calloc_crt for windows (roger orr)
* PORTING: Add C++11 compatibility method for stl allocator (jdennett)
* PORTING: use MADV_FREE, not MADV_DONTNEED, on freebsd (csilvers)
* PORTING: Don't use SYS_open when not supported on solaris (csilvers)
* PORTING: Do not assume uname() returns 0 on success (csilvers)
* LSS: Improved ARM support in linux-syscall-support (dougkwan)
* LSS: Get rid of unused syscalls in linux-syscall-support (csilvers)
* LSS: Fix broken mmap wrapping for ppc (markus)
* LSS: Emit .cfi_adjust_cfa_offset when appropriate (ppluzhnikov)
* LSS: Be more accurate in register use in __asm__ (markus)
* LSS: Fix __asm__ calls to compile under clang (chandlerc)
* LSS: Fix ARM inline assembly bug around r7 and swi (lcwu)
* No longer log when an allocator fails (csilvers)
* void* -> const void* for MallocExtension methods (llib)
* Improve HEAP_PROFILE_MMAP and fix bugs with it (dmikurube)
* Replace int-based abs with more correct fabs in a test (pmurin)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@135 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* 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
* #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
* Extend atomicops.h to use ARM V6+ optimized code (sanek)
* Fix failure in Ranges test (ppluzhnikov)
* Change malloc-hook to use a list-like structure (llib)
* Update tcmalloc_regtest to use new malloc hooks (llib)
* PARTIAL: Keep track of 'overhead' bytes in the page cache (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@108 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* 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
* 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
* PORTING: Revised patch_functions to speed up .dll loads (csilvers)
* PORTING: Build and run sampling_test for windows (csilvers)
* Correctly init tc structs even when libc isn't patched (csilvers)
* Make low-level allocs async-signal-safe (saito)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@83 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* Document problems with _recalloc (csilvers)
* Detect when x86_64 doesn't turn off frame pointers (csilvers)
* Fix sysinfo.cc/etc to work with 64-bit os x (csilvers)
* BUGFIX: Use __TEXT instead of __DATA to store tcmalloc fns (csilvers)
* Added two numeric pageheap properties to tcmalloc (fikes)
* Support for mallocranges stats visualization (sanjay)
* Use libunwind for i386, not just x86_64 (ppluzhnikov)
* Add ReleaseToSystem(num_bytes) (kash)
* Provide corect library filenames under solaris (jeffrey)
* BUGFIX: a simple bug in pprof --raw mode (mrabkin)
* Prfer sys/ucontext.h to ucontext.h, to fix OS X 10.6 (csilvers)
* Improve supprot for inlined functions in pprof (sanjay)
* Document inaccuracies in profiling mmap calls (csilvers)
* Update wget code to not use keepalive (mrabkin, csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@78 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* google-perftools: version 1.4 release
* Add debugallocation library, to catch memory leaks, stomping, etc
* Add --raw mode to allow for delayed processing of pprof files
* Use less memory when reading CPU profiles
* New environment variables to control kernel-allocs (sbrk, memfs, etc)
* Add MarkThreadBusy(): performance improvement
* Remove static thread-cache-size code; all is dynamic now
* Add new HiddenPointer class to heap checker
* BUGFIX: pvalloc(0) allocates now (found by new debugalloc library)
* BUGFIX: valloc test (not implementation) no longer overruns memory
* BUGFIX: GetHeapProfile no longer deadlocks
* BUGFIX: Support unmapping memory regions before main
* BUGFIX: Fix some malloc-stats formatting
* BUGFIX: Don't crash as often when freeing libc-allocated memory
* BUGFIX: Deal better with incorrect PPROF_PATH when symbolizing
* BUGFIX: weaken new/delete/etc in addition to malloc/free/etc
* BUGFIX: Fix return value of GetAllocatedSize
* PORTING: Fix mmap-#define problem on some 64-bit systems
* PORTING: Call ranlib again (some OS X versions need it)
* PORTING: Fix a leak when building with LLVM
* PORTING: Remove some unneeded bash-ishs from testing scripts
* WINDOWS: Support library unloading as well as loading
* WINDOWS/BUGFIX: Set page to 'xrw' instead of 'rw' when patching
git-svn-id: http://gperftools.googlecode.com/svn/trunk@76 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
The main benefit for perftools is that google spinlocks allow for
link-time (static) initialization, which we had to simulate before,
yielding bugs and worse performance.
git-svn-id: http://gperftools.googlecode.com/svn/trunk@73 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* 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
* google-perftools: version 1.0rc1 release
* Replace API for selectively disabling heap-checker in code (sanjay)
* Add a pre-mmap hook (daven, adlr)
* Add MallocExtension interface to set memory-releasing rate (fikes)
* Augment pprof to allow any string ending in /pprof/profile (csilvers)
* PORTING: Rewrite -- and fix -- malloc patching for windows (dvitek)
* PORTING: Add nm-pdb and addr2line-pdb for use by pprof (dvitek)
* PORTING: Improve cygwin and mingw support (jperkins, csilvers)
* PORTING: Fix pprof for mac os x, other pprof improvements (csilvers)
* PORTING: Fix some PPC bugs in our locking code (anton.blanchard)
* A new unittest, smapling_test, to verify tcmalloc-profiles (csilvers)
* Turn off TLS for gcc < 4.1.2, due to a TLS + -fPIC bug (csilvers)
* Prefer __builtin_frame_address to assembly for stacktraces (nlewycky)
* Separate tcmalloc.cc out into multiple files -- finally! (kash)
* Make our locking code work with -fPIC on 32-bit x86 (aruns)
* Fix an initialization-ordering bug for tcmalloc/profiling (csilvers)
* Use "initial exec" model of TLS to speed up tcmalloc (csilvers)
* Enforce 16-byte alignment for tcmalloc, for SSE (sanjay)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@60 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* google-perftools: version 0.98 release
* Add ProfilerStartWithOptions() (cgd)
* Change tcmalloc_minimal to not do any stack-tracing at all (csilvers)
* Prefer mmap to sbrk for 64-buit debug mode (sanjay)
* Fix accounting for some tcmalloc stats (sanjay)
* Use setrlimit() to keep unittests from killing the machine (odo)
* Fix a bug when sbrk-ing near address 4G (csilvers)
* Make MallocHook thread-safe (jyasskin)
* Fix windows build for MemoryBarrier (jyasskin)
* Fix CPU-profiler docs to mention correct libs (csilvers)
* Fix for GetHeapProfile() when heap-profiling is off (maxim)
* Avoid realloc resizing ping-pongs using hysteresis (csilvers)
* Add --callgrind output support to pprof (klimek)
* Fix profiler.h and heap-profiler.h to be C-compatible (csilvers)
* Break malloc_hook.h into two parts to reduce dependencies (csilvers)
* Better handle systems that don't implement mmap (csilvers)
* PORTING: disable system_alloc_unittest for msvc (csilvers)
* PORTING: Makefile tweaks to build better on cygwin (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@52 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* google-perftools: version 0.96 release
* major atomicops rewrite; fixed atomic ops code for linux/ppc (vchen)
* nix the stacktrace library; now build structure is simpler (csilvers)
* Speed up heap-checker, and reduce extraneous logging (maxim)
* Improve itimer code for NPTL case (cgd)
* Add source code annotations for use by valgrind, etc (kcc)
* PORTING: Fix high resolution timers for Mac OS X (adlr)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@48 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* google-perftools: version 0.94 release
* PORTING: MinGW/Msys support -- runs same code as MSVC does (csilvers)
* PORTING: Add NumCPUs support for Mac OS X (csilvers)
* Work around a sscanf bug in glibc(?) (waldemar)
* Fix Windows MSVC bug triggered by thread deletion (csilvers)
* Fix bug that triggers in MSVC /O2: missing volatile (gpike)
* March-of-time support: quiet warnings/errors for gcc 4.2, OS X 10.5
* Modify pprof so it works without nm: useful for windows (csilvers)
* pprof: Support filtering for CPU profiles (cgd)
* Bugfix: have realloc report to hooks in all situations (maxim)
* Speed improvement: replace slow memcpy with std::copy (soren)
* Speed: better iterator efficiency in RecordRegionRemoval (soren)
* Speed: minor speed improvements via better bitfield alignment (gpike)
* Documentation: add documentation of binary profile output (cgd)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@40 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* 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
* 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
