* In pprof, accept URLs without ports but with http:// (rsc)
* Refactor sizeclass handling in tcmalloc (bmaurer)
* Always log failed calls to FindAllocDetails (mec)
* Clarify comments for ProfilerStart* (malcolmr)
* Add #include guards to stacktrace_win32-inl.h (glider)
* Add ANNOTATE_ENABLE_RACE_DETECTION(enable) (kcc)
* Make a contentful NEWS file (csilvers)
* Fix addr2line --help (which pprof relies on) for windows (csilvers)
* Fixes a bug in tcmalloc's TLS callback on windows -static (wtc)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@94 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* Add a flag to ingore unaligned-ptr leaks (archanakannan)
* PORTING: Add get-pc capabilities for a new OS (csilvers)
* Don't register malloc extension under valgrind (csilvers)
* Fix throw specs for our global operator new (chandlerc)
* PORTING: link to instructions on windows static overrides (mbelshe)
* Fix prototype differences in debugalloc (chandlerc, csilvers, wan)
* Change pprof to handle big-endian input files (csilvers)
* Properly align allocation sizes on Windows (antonm)
* Improve IsRunningOnValgrind, using valgrind.h (csilvers, kcc)
* Improve the accuracy of system_alloc actual_size (csilvers)
* Add interactive callgrind support to pprof (weidenri...)
* Fix off-by-one problems when symbolizing in pprof (dpeng)
* Be more permissive in allowed library names, in pprof (csilvers)
* PORTING: Fix pc_from_ucontext to handle cygwin and redhat7 (csilvers)
* Fix stacktrace to avoid inlining (ppluzhnikov)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@91 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* Add HEAP_CHECK_MAX_LEAKS envvar (glider)
* BUGFIX: debugallocation now calls cpp_alloc for new (willchan)
* BUGFIX: tc_set_new_mode() respected for realloc and calloc (willchan)
* BUGFIX: fix opt-mode maybe-crash on debugallocation_test (csilvers)
* Print alloc size when mmap fails (hakon)
* Add ITIMER_REAL support (csilvers, nabeelmian)
* BUGFIX: correctly report double-frees (csilvers)
* Export tc_set_new_mode() from the .h file (willchan)
* Restructure Symbolize to make it more efficient (glider)
* PORTING: Augment sysinfo to work on 64-bit OS X (csilvers)
* Add two numeric pageheap properties to MallocExtension (fikes)
* PORTING: Use libunwind for i386 when using --omitfp (ppluzhnikov)
* Add ReleaseToSystem(num_bytes) (kash)
* Provide correct library filenames under solaris (jeffrey)
* BUGFIX: simple fix in pprof --raw mode (mrabkin)
* PORTING: Prefer sys/ucontext.h to fix OS 10.6 builds (csilvers)
* Improve support for inlined functions in pprof (sanjay)
* Update wget code to not use keepalive (mrabkin, csilvers)
* PORTING: correctly handle x86_64 machines that use fp's (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@79 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
* Fix unsetting of hooks before forking, in debug mode (maxim)
* Add some documention for pmuprofile (aruns)
* Speed up futex with FUTEX_PRIVATE_FLAG (m3b)
* Fix os x 10.6: prefer sys/ucontext.h to ucontext.h (csilvers)
* Fix C shims to be actually valid C: malloc_extension/etc (csilvers)
* Fix a longtime memset bug (csilvers)
* Implement nothrow versions of delete (csilvers)
* Fix recursively-unmapped-region accounting (ppluzhnikov)
* Better distinguish between real and fake VDSO (ppluzhnikov)
* Modify span coalescing to improve performance (sanjay)
* WINDOWS: Remove unnecessary lock around VirtualAlloc (mbelshe)
* Remove performance tests for ptmalloc2 (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@77 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
* 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 0.99 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
* 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 0.97 release
* Refactor GetHeapProfile to avoid using malloc (maxim)
* Fix heap-checker and heap-profiler hook interactions (maxim)
* Fix a data race in MemoryRegionMap::Lock (jyasskin)
* Improve thread-safety of leak checker (maxim)
* Fix mmap profile to no longer deadlock (maxim)
* Fix rpm to have devel package depend on non-devel (csilvers)
* PORTING: Fix clock-speed detection for Mac OS X (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@50 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
* 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
* 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
* google-perftools: version 0.8 release
* Experimental support for remote profiling added to pprof (many)
* Fixed race condition in ProfileData::FlushTable (etune)
* Better support for weird /proc maps (maxim, mec)
* Fix heap-checker interaction with gdb (markus)
* Better 64-bit support in pprof (aruns)
* Reduce scavenging cost in tcmalloc by capping NumMoveSize (sanjay)
* Cast syscall(SYS_mmap); works on more 64-bit systems now (menage)
* Document the text output of pprof! (csilvers)
* Better compiler support for no-THREADS and for old compilers (csilvers)
* Make libunwind the default stack unwinder for x86-64 (aruns)
* Somehow the COPYING file got erased. Regenerate it (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@23 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* Decrease fragmentation in tcmalloc (lefevere)
* Support for ARM in some of the thread-specific code (markus)
* Turn off heap-checker for statically-linked binaries, which
cause error leak reports now (etune)
* Many pprof improvements, including a command-line interface (jeff)
* CPU profiling now automatically affects all threads in linux 2.6.
(Kernel bugs break CPU profiling and threads in linux 2.4 a bit.)
ProfilerEnable() and ProfilerDisable() are deprecated. (sanjay)
* tcmalloc now correctly intercepts memalign (m3b, maxim)
* Syntax fix: added missing va_end()s. Helps non-gcc compiling (etune)
* Fixed a few coredumper bugs: race condition after PTRACE_DETACH,
ignore non-aligned stackframe pointers (markus, menage)
* 64-bit cleanup, especially for spinlock code (etune) and mmap (sanjay)
* Better support for finding threads in linux (markus)
* tcmalloc now tracks those stack traces that allocate memory (sanjay)
* Work around a weird setspecific problem (sanjay)
* Fix tcmalloc overflow problems when an alloc is close to 2G/4G (sanjay)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@15 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
* 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
* 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
csilvers