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Add the "thread.allocated" and "thread.deallocated" mallctls, which can
be used to query the total number of bytes ever allocated/deallocated by
the calling thread.
Add s2u() and sa2u(), which can be used to compute the usable size that
will result from an allocation request of a particular size/alignment.
Re-factor ipalloc() to use sa2u().
Enhance the heap profiler to trigger samples based on usable size,
rather than request size. This has a subtle, but important, impact on
the accuracy of heap sampling. For example, previous to this change,
16- and 17-byte objects were sampled at nearly the same rate, but
17-byte objects actually consume 32 bytes each. Therefore it was
possible for the sample to be somewhat skewed compared to actual memory
usage of the allocated objects.
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Add test/jemalloc_test.h.in, which is processed to include
jemalloc/jemalloc@install_suffix@.h, so that test programs can include
it without worrying about the install suffix.
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Add allocm(), rallocm(), sallocm(), and dallocm(), which are a
functional superset of malloc(), calloc(), posix_memalign(),
malloc_usable_size(), and free().
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Add Mac OS X support, based in large part on the OS X support in
Mozilla's version of jemalloc.
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Make it possible for each thread to manage which arena it is associated
with.
Implement the 'tests' and 'check' build targets.
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Split library build rules up so that parallel building works.
Fix autoconf-related dependencies.
Remove obsolete JEMALLOC_VERSION definition.
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Fix divide-by-zero error in pprof. It is possible for sample contexts
to currently have no associated objects, but the cumulative statistics
are still useful, depending on how the user invokes pprof. Since
jemalloc intentionally does not filter such contexts, take care not to
divide by 0 when re-scaling for v2 heap sampling.
Install pprof as part of 'make install'.
Update pprof documentation.
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Don't look for a shared libunwind if --with-static-libunwind is
specified.
Set SONAME when linking the shared libjemalloc.
Add DESTDIR support.
Add install_{include,lib/man} build targets.
Clean up compiler flag configuration.
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Base version string on 'git describe --long', and provide cpp
macros in jemalloc.h.
Add the version mallctl.
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Remove all functionality related to tracing. This functionality was
useful for understanding memory fragmentation during early algorithmic
design of jemalloc, but it had little utility for non-trivial
applications, due to the sheer volume of data written to disk.
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Add the --enable-prof and --enable-prof-libunwind configure options.
Add the B/b, F/f, I/i, L/l, and U/u JEMALLOC_OPTIONS.
Interval-based profile dump triggering is not yet implemented.
Add supporting generic code:
* Add memory barriers.
* Add prn (LCG PRNG).
* Add hash (Murmur hash function).
* Add ckh (cuckoo hash tables).
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Replace chunk stats code that was missing locking; this fixes a race
condition that could corrupt chunk statistics.
Converting malloc_stats_print() to use mallctl*().
Add a missing semicolon in th DSS code.
Convert malloc_tcache_flush() to a mallctl.
Convert malloc_swap_enable() to a set of mallctl's.
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Add malloc_swap_enable().
Add the O/o JEMALLOC_OPTIONS flags, which control memory overcommit.
Fix mapped memory stats reporting for arenas.
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Fix some bugs in the Makefile's install target.
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Fix a stats bug in large object curruns accounting.
Replace tcache_bin_fill() with arena_tcache_fill(), and fix a bug in an OOM
error path.
Fix API name mangling to coexist with __attribute__((malloc)).
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jemalloc is configured.
Modify arena_malloc() API to avoid unnecessary choose_arena() calls. Remove
unnecessary code from choose_arena().
Enable lazy-lock by default, now that choose_arena() is both faster and out of
the critical path.
Implement objdir support in the build system.
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Implement minimal Makefile.
Make compile-time-optional jemalloc features controllable via configure
options (debug, stats, tiny, mag, balance, dss).
Conditionally exclude most of the opt_* run-time options, based on configure
options (fill, xmalloc, sysv).
Implement optional --enable-dynamic-page-shift.
Implement optional --enable-lazy-lock.
Re-order malloc_init_hard() and use the malloc_initializer variable to support
recursive allocation in malloc_ncpus().
Add mag_rack_tsd in order to receive notifications of thread termination.
Add jemalloc.h.
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