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David Goldblatt 60993697d8 Prof: Add prof_unbias. 
This gives more accurate attribution of bytes and counts to stack traces,
without introducing backwards incompatibilities in heap-profile parsing tools.
We track the ideal reported (to the end user) number of bytes more carefully
inside core jemalloc.  When dumping heap profiles, insteading of outputting our
counts directly, we output counts that will cause parsing tools to give a result
close to the value we want.

We retain the old version as an opt setting, to let users who are tracking
values on a per-component basis to keep their metrics stable until they decide
to switch.
2020-08-05 18:33:55 -07:00
bin Fix typo derived from tcmalloc's pprof 2019-04-23 15:29:57 -07:00
build-aux Update config.{guess,sub} from upstream. 2016-11-10 15:08:32 -08:00
doc Verify output space before doing heavy work in mallctl 2020-07-27 09:48:35 -07:00
include Prof: Add prof_unbias. 2020-08-05 18:33:55 -07:00
m4 Support C++17 over-aligned allocation 2019-11-22 10:14:16 -08:00
msvc PAC: Add an init function. 2020-07-09 13:41:04 -07:00
scripts Add --with-lg-page=16 to CI. 2019-09-22 18:51:03 -07:00
src Prof: Add prof_unbias. 2020-08-05 18:33:55 -07:00
test Add a simple utility to detect profiling bias. 2020-08-05 18:33:55 -07:00
.appveyor.yml CI: Update keyring. 2020-07-27 15:54:57 -07:00
.autom4te.cfg Disable autom4te cache. 2014-09-02 17:49:29 -07:00
.cirrus.yml Cirrus-CI: test on new freebsd releases. 2020-02-23 20:43:38 -08:00
.gitattributes fix git handling of newlines on windows 2014-05-07 18:48:39 -04:00
.gitignore Add a tool to examine random number distributions 2020-06-26 09:45:28 -07:00
.travis.yml Add --with-lg-page=16 to CI. 2019-09-22 18:51:03 -07:00
autogen.sh Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
ChangeLog Update Changelog for 5.2.1. 2019-08-05 12:52:43 -07:00
config.stamp.in Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
configure.ac bit_util: Add fls_ functions; "find last set". 2020-07-30 15:25:23 -07:00
COPYING Update copyright dates. 2019-01-25 13:25:20 -08:00
INSTALL.md Update INSTALL.md about the default doc build. 2019-08-16 10:03:34 -07:00
jemalloc.pc.in Reformat the version number in jemalloc.pc.in. 2018-05-07 20:12:03 -07:00
Makefile.in Add a simple utility to detect profiling bias. 2020-08-05 18:33:55 -07:00
README Update project URL. 2016-09-12 11:56:24 -07:00
run_tests.sh Introduce scripts to run all possible tests 2017-01-30 17:51:57 -08:00
TUNING.md Add TUNING.md. 2018-05-03 12:52:52 -07:00

README 

jemalloc is a general purpose malloc(3) implementation that emphasizes
fragmentation avoidance and scalable concurrency support.  jemalloc first came
into use as the FreeBSD libc allocator in 2005, and since then it has found its
way into numerous applications that rely on its predictable behavior.  In 2010
jemalloc development efforts broadened to include developer support features
such as heap profiling and extensive monitoring/tuning hooks.  Modern jemalloc
releases continue to be integrated back into FreeBSD, and therefore versatility
remains critical.  Ongoing development efforts trend toward making jemalloc
among the best allocators for a broad range of demanding applications, and
eliminating/mitigating weaknesses that have practical repercussions for real
world applications.

The COPYING file contains copyright and licensing information.

The INSTALL file contains information on how to configure, build, and install
jemalloc.

The ChangeLog file contains a brief summary of changes for each release.

URL: http://jemalloc.net/