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[tlsf_alloc] Added tlsf_alloc 2.4.2 - TLSF Memory Allocator for Real-Time

early
Alejandro Mery 17 years ago
parent
commit
80421004c3
  1. 36
      develop/tlsf_alloc/makeinstall.patch
  2. 15
      develop/tlsf_alloc/tlsf_alloc.conf
  3. 49
      develop/tlsf_alloc/tlsf_alloc.desc

36
develop/tlsf_alloc/makeinstall.patch

@ -0,0 +1,36 @@
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../tlsf_alloc/makeinstall.patch
# Copyright (C) 2008 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- SDE-COPYRIGHT-NOTE-END ---
--- ./Makefile.orig 2008-06-01 22:57:45.000000000 +0000
+++ ./Makefile 2008-06-01 23:16:26.000000000 +0000
@@ -6,6 +6,10 @@
CFLAGS+= -DUSE_MMAP=1
CFLAGS+= -DUSE_SBRK=1
+DESTDIR=
+libdir=/usr/lib
+includedir=/usr/include
+
# CFLAGS+=-ftest-coverage -fprofile-arcs
CC=gcc
@@ -19,3 +23,6 @@
indent:
indent -kr -l120 -br -ce -npsl -nut -i4 *.[hc]
+install: tlsf.o
+ cp -vf tlsf.o $(DESTDIR)$(libdir)
+ cp -vf tlsf.h $(DESTDIR)$(includedir)

15
develop/tlsf_alloc/tlsf_alloc.conf

@ -0,0 +1,15 @@
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../tlsf_alloc/tlsf_alloc.conf
# Copyright (C) 2008 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---
srcdir="TLSF-$ver/src"

49
develop/tlsf_alloc/tlsf_alloc.desc

@ -0,0 +1,49 @@
[COPY] --- SDE-COPYRIGHT-NOTE-BEGIN ---
[COPY] This copyright note is auto-generated by ./scripts/Create-CopyPatch.
[COPY]
[COPY] Filename: package/.../tlsf_alloc/tlsf_alloc.desc
[COPY] Copyright (C) 2008 The OpenSDE Project
[COPY]
[COPY] More information can be found in the files COPYING and README.
[COPY]
[COPY] This program is free software; you can redistribute it and/or modify
[COPY] it under the terms of the GNU General Public License as published by
[COPY] the Free Software Foundation; version 2 of the License. A copy of the
[COPY] GNU General Public License can be found in the file COPYING.
[COPY] --- SDE-COPYRIGHT-NOTE-END ---
[I] TLSF Memory Allocator for Real-Time
[T] TLSF is a general purpose dynamic memory allocator specifically designed
[T] to meet real-time requirements:
[T]
[T] * Bounded Response Time. The worst-case execution time (WCET) of memory
[T] allocation and deallocation has got to be known in advance and be
[T] independent of application data. TLSF has a constant cost O(1).
[T] * Fast. Additionally to a bounded cost, the allocator has to be efficient
[T] and fast enough. TLSF executes a maximum of 168 processor instructions
[T] in a x86 architecture. Depending on the compiler version and optimisation
[T] flags, it can be slightly lower or higher.
[T] * Efficient Memory Use. Traditionally, real-time systems run for long
[T] periods of time and some (embedded applications), have strong constraints
[T] of memory size. Fragmentation can have a significant impact on such
[T] systems. It can increase dramatically, and degrade the system
[T] performance. A way to measure this efficiency is the memory fragmentation
[T] incurred by the allocator. TLSF has been tested in hundreds of different
[T] loads (real-time tasks, general purpose applications, etc.) obtaining an
[T] average fragmentation lower than 15 %. The maximum fragmentation measured
[T] is lower than 25%.
[U] http://rtportal.upv.es/rtmalloc/
[A] Universidad Politecnica de Valencia <acrespo@ai2.upv.es>
[M] Alejandro Mery <amery@opensde.org>
[C] extra/development
[L] LGPL GPL
[S] Stable
[V] 2.4.2
[P] X -?---5---9 100.000
[D] 2246186228 TLSF-2.4.2.tbz2 http://rtportal.upv.es/rtdsa/files/rtportal.upv.es.rtdsa/src/tlsf/
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