2009-04-18 00:02:25 +00:00
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Fri Apr 17 16:40:48 2009 Google Inc. <opensource@google.com>
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* google-perftools: version 1.2 release
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* Allow large_alloc_threshold=0 to turn it off entirely (csilvers)
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* Die more helpfully when out of memory for internal data (csilvers)
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* Refactor profile-data gathering, add a new unittest (cgd, nabeelmian)
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* BUGFIX: fix rounding errors with static thread-size caches (addi)
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* BUGFIX: disable hooks better when forking in leak-checker (csilvers)
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* BUGFIX: fix realloc of crt pointers on windows (csilvers)
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* BUGFIX: do a better job of finding binaries in .sh tests (csilvers)
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* WINDOWS: allow overriding malloc/etc instead of patching (mbelshe)
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* PORTING: fix compilation error in a ppc-specific file (csilvers)
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* PORTING: deal with quirks in cygwin's /proc/self/maps (csilvers)
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* PORTING: use 'A' version of functions for ascii input (mbelshe)
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* PORTING: generate .so's on cygwin and mingw (ajenjo)
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* PORTING: disable profiler methods on cygwin (jperkins)
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* Updated autoconf version to 2.61 and libtool version to 1.5.26
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2009-03-11 20:50:03 +00:00
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Wed Mar 11 11:25:34 2009 Google Inc. <opensource@google.com>
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* google-perftools: version 1.1 release
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* Dynamically resize thread caches -- nice perf. improvement (kash)
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* Add VDSO support to give better stacktraces in linux (ppluzhnikov)
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* Improve heap-profiling sampling algorithm (ford)
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* Rewrite leak-checking code: should be faster and more robust (sanjay)
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* Use ps2 instead of ps for dot: better page cropping for gv (csilvers)
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* Disable malloc-failure warning messages by default (csilvers)
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* Update config/Makefile to disable tests on a per-OS basis (csilvers)
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* PORTING: Get perftools compiling under MSVC 7.1 again (csilvers)
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* PORTING: Get perftools compiling under cygwin again (csilvers)
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* PORTING: automatically set library flags for solaris x86 (csilvers)
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* Add TCMALLOC_SKIP_SBRK to mirror TCMALLOC_SKIP_MMAP (csilvers)
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* Add --enable flags to allow selective building (csilvers)
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* Put addr2line-pdb and nm-pdb in proper output directory (csilvers)
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* Remove deprecated DisableChecksIn (sanjay)
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* DOCUMENTATION: Document most MallocExtension routines (csilvers)
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2009-01-06 19:41:15 +00:00
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Tue Jan 6 13:58:56 2009 Google Inc. <opensource@google.com>
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2009-03-11 20:50:03 +00:00
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2009-01-06 19:41:15 +00:00
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* google-perftools: version 1.0 release
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* Exactly the same as 1.0rc2
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2008-12-15 01:20:31 +00:00
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Sun Dec 14 17:10:35 2008 Google Inc. <opensource@google.com>
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2009-03-11 20:50:03 +00:00
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2008-12-15 01:20:31 +00:00
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* google-perftools: version 1.0rc2 release
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* Fix compile error on 64-bit systems (casting ptr to int) (csilvers)
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2008-12-13 01:35:42 +00:00
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Thu Dec 11 16:01:32 2008 Google Inc. <opensource@google.com>
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* google-perftools: version 1.0rc1 release
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* Replace API for selectively disabling heap-checker in code (sanjay)
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* Add a pre-mmap hook (daven, adlr)
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* Add MallocExtension interface to set memory-releasing rate (fikes)
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* Augment pprof to allow any string ending in /pprof/profile (csilvers)
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* PORTING: Rewrite -- and fix -- malloc patching for windows (dvitek)
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* PORTING: Add nm-pdb and addr2line-pdb for use by pprof (dvitek)
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* PORTING: Improve cygwin and mingw support (jperkins, csilvers)
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* PORTING: Fix pprof for mac os x, other pprof improvements (csilvers)
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* PORTING: Fix some PPC bugs in our locking code (anton.blanchard)
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* A new unittest, smapling_test, to verify tcmalloc-profiles (csilvers)
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* Turn off TLS for gcc < 4.1.2, due to a TLS + -fPIC bug (csilvers)
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* Prefer __builtin_frame_address to assembly for stacktraces (nlewycky)
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* Separate tcmalloc.cc out into multiple files -- finally! (kash)
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* Make our locking code work with -fPIC on 32-bit x86 (aruns)
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* Fix an initialization-ordering bug for tcmalloc/profiling (csilvers)
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* Use "initial exec" model of TLS to speed up tcmalloc (csilvers)
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* Enforce 16-byte alignment for tcmalloc, for SSE (sanjay)
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2008-09-23 17:51:05 +00:00
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Tue Sep 23 08:56:31 2008 Google Inc. <opensource@google.com>
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* google-perftools: version 0.99.2 release
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* COMPILE FIX: add #include needed for FreeBSD and OS X (csilvers)
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2008-09-20 17:15:23 +00:00
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Sat Sep 20 09:37:18 2008 Google Inc. <opensource@google.com>
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* google-perftools: version 0.99.1 release
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* BUG FIX: look for nm, etc in /usr/bin, not /usr/crosstool (csilvers)
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2008-09-19 20:06:40 +00:00
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Thu Sep 18 16:00:27 2008 Google Inc. <opensource@google.com>
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* google-perftools: version 0.99 release
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* Add IsHeapProfileRunning (csilvers)
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* Add C shims for some of the C++ header files (csilvers)
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* Fix heap profile file clean-up logic (maxim)
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* Rename linuxthreads.c to .cc for better compiler support (csilvers)
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* Add source info to disassembly in pprof (sanjay)
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* Use open instead of fopen to avoid memory alloc (csilvers)
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* Disable malloc extensions when running under valgrind (kcc)
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* BUG FIX: Fix out-of-bound error by reordering a check (larryz)
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* Add Options struct to ProfileData (cgd)
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* Correct PC-handling of --base in pprof (csilvers)
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* Handle 1 function occurring twice in an image (sanjay)
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* Improve stack-data cleaning (maxim)
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* Use 'struct Foo' to make header C compatible (csilvers)
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* Add 'total' line to pprof --text (csilvers)
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* Pre-allocate buffer for heap-profiler to avoid OOM errors (csilvers)
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* Allow a few more env-settings to control tcmalloc (csilvers)
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* Document some of the issues involving thread-local storage (csilvers)
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* BUG FIX: Define strtoll and friends for windows (csilvers)
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2008-06-14 02:30:53 +00:00
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Mon Jun 9 16:47:03 2008 Google Inc. <opensource@google.com>
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* google-perftools: version 0.98 release
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* Add ProfilerStartWithOptions() (cgd)
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* Change tcmalloc_minimal to not do any stack-tracing at all (csilvers)
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* Prefer mmap to sbrk for 64-buit debug mode (sanjay)
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* Fix accounting for some tcmalloc stats (sanjay)
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* Use setrlimit() to keep unittests from killing the machine (odo)
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* Fix a bug when sbrk-ing near address 4G (csilvers)
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* Make MallocHook thread-safe (jyasskin)
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* Fix windows build for MemoryBarrier (jyasskin)
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* Fix CPU-profiler docs to mention correct libs (csilvers)
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* Fix for GetHeapProfile() when heap-profiling is off (maxim)
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* Avoid realloc resizing ping-pongs using hysteresis (csilvers)
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* Add --callgrind output support to pprof (klimek)
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* Fix profiler.h and heap-profiler.h to be C-compatible (csilvers)
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* Break malloc_hook.h into two parts to reduce dependencies (csilvers)
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* Better handle systems that don't implement mmap (csilvers)
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* PORTING: disable system_alloc_unittest for msvc (csilvers)
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* PORTING: Makefile tweaks to build better on cygwin (csilvers)
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2008-04-22 01:47:16 +00:00
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Mon Apr 21 15:20:52 2008 Google Inc. <opensource@google.com>
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* google-perftools: version 0.97 release
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* Refactor GetHeapProfile to avoid using malloc (maxim)
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* Fix heap-checker and heap-profiler hook interactions (maxim)
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* Fix a data race in MemoryRegionMap::Lock (jyasskin)
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* Improve thread-safety of leak checker (maxim)
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* Fix mmap profile to no longer deadlock (maxim)
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* Fix rpm to have devel package depend on non-devel (csilvers)
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* PORTING: Fix clock-speed detection for Mac OS X (csilvers)
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2008-03-19 23:35:27 +00:00
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Tue Mar 18 14:30:44 2008 Google Inc. <opensource@google.com>
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* google-perftools: version 0.96 release
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* major atomicops rewrite; fixed atomic ops code for linux/ppc (vchen)
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* nix the stacktrace library; now build structure is simpler (csilvers)
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* Speed up heap-checker, and reduce extraneous logging (maxim)
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* Improve itimer code for NPTL case (cgd)
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* Add source code annotations for use by valgrind, etc (kcc)
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* PORTING: Fix high resolution timers for Mac OS X (adlr)
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2008-02-19 22:19:22 +00:00
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Tue Feb 19 12:01:31 2008 Google Inc. <opensource@google.com>
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* google-perftools: version 0.95.1 release (bugfix release)
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* x86_64 compile-fix: nix pread64 and pwrite64 (csilvers)
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* more heap-checker debug logging (maxim)
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* minor improvement to x86_64 CycleClock (gpike)
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2008-02-13 00:55:09 +00:00
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Tue Feb 12 12:28:32 2008 Google Inc. <opensource@google.com>
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* google-perftools: version 0.95 release
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* Better -- not perfect -- support for linux-ppc (csilvers)
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* Fix race condition in libunwind stacktrace (aruns)
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* Speed up x86 spinlock locking (m3b)
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* Improve heap-checker performance (maxim)
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* Heap checker traverses more ptrs inside heap-alloced objects (maxim)
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* Remove deprecated ProfilerThreadState function (cgd)
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* Update libunwind documentation for statically linked binaries (aruns)
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2007-12-05 00:08:28 +00:00
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Mon Dec 3 23:51:54 2007 Google Inc. <opensource@google.com>
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* google-perftools: version 0.94.1 release (bugfix release)
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* Fix missing #includes for x86_64 compile using libunwind (csilvers)
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2007-11-29 23:39:24 +00:00
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Thu Nov 29 07:59:43 2007 Google Inc. <opensource@google.com>
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* google-perftools: version 0.94 release
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* PORTING: MinGW/Msys support -- runs same code as MSVC does (csilvers)
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* PORTING: Add NumCPUs support for Mac OS X (csilvers)
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* Work around a sscanf bug in glibc(?) (waldemar)
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* Fix Windows MSVC bug triggered by thread deletion (csilvers)
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* Fix bug that triggers in MSVC /O2: missing volatile (gpike)
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* March-of-time support: quiet warnings/errors for gcc 4.2, OS X 10.5
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* Modify pprof so it works without nm: useful for windows (csilvers)
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* pprof: Support filtering for CPU profiles (cgd)
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* Bugfix: have realloc report to hooks in all situations (maxim)
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* Speed improvement: replace slow memcpy with std::copy (soren)
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* Speed: better iterator efficiency in RecordRegionRemoval (soren)
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* Speed: minor speed improvements via better bitfield alignment (gpike)
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* Documentation: add documentation of binary profile output (cgd)
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2007-08-17 20:56:15 +00:00
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Fri Aug 17 12:32:56 2007 Google Inc. <opensource@google.com>
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* google-perftools: version 0.93 release
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* PORTING: everything compiles on Solaris, OS X, FreeBSD (see INSTALL)
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* PORTING: cpu-profiler works on most platforms (much better GetPC())
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* PORTING: heap-profiler works on most platforms
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* PORTING: improved windows support, including release builds
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* No longer build or run ptmalloc tests by default
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* Add support for using memfs filesystem to allocate memory in linux
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* WINDOWS: give debug library and release library different names
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Tue Jul 17 22:26:27 2007 Google Inc. <opensource@google.com>
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2007-03-22 04:48:00 +00:00
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2007-08-17 20:56:15 +00:00
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* google-perftools: version 0.92 release
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* PERFORMANCE: use a packed cache to speed up tcmalloc
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* PORTING: preliminary windows support! (see README.windows)
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* PORTING: better support for solaris, OS X, FreeBSD (see INSTALL)
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* Envvar support for running the heap-checker under gdb
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* Add weak declarations to maybe_threads to fix no-pthreads compile bugs
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* Some 64bit fixes, especially with pprof
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* Better heap-checker support for some low-level allocations
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* Fix bug where heap-profiles would sometimes get truncated
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* New documentation about how to handle common heap leak situations
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* Use computed includes for hash_map/set: easier config
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* Added all used .m4 templates to the distribution
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2007-03-22 04:55:49 +00:00
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2007-08-17 20:56:15 +00:00
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Wed Apr 18 16:43:55 2007 Google Inc. <opensource@google.com>
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2007-03-22 04:55:49 +00:00
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2007-08-17 20:56:15 +00:00
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* google-perftools: version 0.91 release
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* Brown-paper-bag bugfix: compilation error on some x86-64 machines
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2007-04-16 20:49:32 +00:00
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Fri Apr 13 14:50:51 2007 Google Inc. <opensource@google.com>
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* google-perftools: version 0.90 release
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* (As the version-number jump hints, this is a major new release:
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almost every piece of functionality was rewritten. I can't do
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justice to all the changes, but will concentrate on highlights.)
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*** USER-VISIBLE CHANGES:
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* Ability to "release" unused memory added to tcmalloc
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* Exposed more tweaking knobs via environment variables (see docs)
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* pprof tries harder to map addresses to functions
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* tcmalloc_minimal compiles and runs on FreeBSD 6.0 and Solaris 10
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*** INTERNAL CHANGES:
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* Much better 64-bit support
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* Better multiple-processor support (e.g. multicore contention tweaks)
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* Support for recent kernel ABI changes (e.g. new arg to mremap)
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* Addition of spinlocks to tcmalloc to reduce contention cost
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* Speed up tcmalloc by using __thread on systems that support TLS
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* Total redesign of heap-checker to improve liveness checking
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* More portable stack-frame analysis -- no more hard-coded constants!
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* Disentangled heap-profiler code and heap-checker code
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* Several new unittests to test, e.g., thread-contention costs
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* Lots of small (but important!) bug fixes: e.g., fixing GetPC on amd64
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*** KNOWN PROBLEMS:
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* CPU-profiling may crash on x86_64 (64-bit) systems. See the README
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* Profiling/heap-checking may deadlock on x86_64 systems. See README
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2007-04-19 00:53:22 +00:00
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2007-08-17 20:56:15 +00:00
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Wed Jun 14 15:11:14 2006 Google Inc. <opensource@google.com>
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2007-04-19 00:53:22 +00:00
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2007-08-17 20:56:15 +00:00
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* google-perftools: version 0.8 release
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* Experimental support for remote profiling added to pprof (many)
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* Fixed race condition in ProfileData::FlushTable (etune)
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* Better support for weird /proc maps (maxim, mec)
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* Fix heap-checker interaction with gdb (markus)
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* Better 64-bit support in pprof (aruns)
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* Reduce scavenging cost in tcmalloc by capping NumMoveSize (sanjay)
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* Cast syscall(SYS_mmap); works on more 64-bit systems now (menage)
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* Document the text output of pprof! (csilvers)
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* Better compiler support for no-THREADS and for old compilers (csilvers)
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* Make libunwind the default stack unwinder for x86-64 (aruns)
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* Somehow the COPYING file got erased. Regenerate it (csilvers)
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2007-07-18 18:30:50 +00:00
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2007-08-17 20:56:15 +00:00
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Thu Apr 13 20:59:09 2006 Google Inc. <opensource@google.com>
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2007-07-18 18:30:50 +00:00
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2007-08-17 20:56:15 +00:00
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* google-perftools: version 0.7 release
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* Major rewrite of thread introspection for new kernels (markus)
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* Major rewrite of heap-checker to use new thread tools (maxim)
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* Add proper support for following data in thread registers (maxim)
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* Syscall support for older kernels, including _syscall6 (markus)
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* Support PIC mode (markus, mbland, iant)
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* Better support for running in non-threaded contexts (csilvers)
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Fri Jan 27 14:04:27 2006 Google Inc. <opensource@google.com>
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* google-perftools: version 0.6 release
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* More sophisticated stacktrace usage, possibly using libunwind (aruns)
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* Update pprof to handle 64-bit profiles (dehnert)
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* Fix GetStackTrace to correctly return top stackframe (sanjay)
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* Add ANSI compliance for new and new[], including new_handler (jkearney)
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* More accuracy by reading ELF files directly rather than objdump (mec)
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* Add readline support for pprof (addi)
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* Add #includes for PPC (csilvers)
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* New PC-detection routine for ibook powerpc (asbestoshead)
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* Vastly improved tcmalloc unittest (csilvers)
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* Move documentation from /usr/doc to /usr/share/doc
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Mon Nov 14 17:28:59 2005 Google Inc. <opensource@google.com>
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* google-perftools: version 0.5 release
|
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* Add va_start/va_end calls around vsnprintf() (csilvers)
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* Write our own __syscall_return(), since it's not defined
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|
consistently on all 64-bit linux distros (markus)
|
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Wed Oct 26 15:19:16 2005 Google Inc. <opensource@google.com>
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|
|
* google-perftools: version 0.4 release
|
|
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|
|
* Decrease fragmentation in tcmalloc (lefevere)
|
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|
|
* Support for ARM in some of the thread-specific code (markus)
|
|
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|
|
* Turn off heap-checker for statically-linked binaries, which
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|
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|
cause error leak reports now (etune)
|
|
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|
* 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)
|
|
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|
|
* Fix tcmalloc overflow problems when an alloc is close to 2G/4G (sanjay)
|
|
|
|
|
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|
Fri Jun 24 18:02:26 2005 Google Inc. <opensource@google.com>
|
|
|
|
|
|
|
|
|
|
* google-perftools: version 0.3 release
|
|
|
|
|
* Add missing errno include for one of the unittests (csilvers)
|
|
|
|
|
* Reduce tcmalloc startup memory from 5M to 256K (sanjay)
|
|
|
|
|
* Add support for mallopt() and mallinfo (sanjay)
|
|
|
|
|
* Improve stacktrace's performance on some 64-bit systems (etune)
|
|
|
|
|
* Improve the stacktrace unittest (etune)
|
|
|
|
|
|
|
|
|
|
Tue May 31 08:14:38 2005 Google Inc. <opensource@google.com>
|
|
|
|
|
|
|
|
|
|
* 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)
|
|
|
|
|
|
|
|
|
|
Tue Feb 8 09:57:17 2005 Google Inc. <opensource@google.com>
|
|
|
|
|
|
|
|
|
|
* 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.
|
