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# Copyright 2018-2020 Florian Fischer <florian.fl.fischer@fau.de>
#
# This file is part of allocbench.
#
# allocbench 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, either version 3 of the License, or
# (at your option) any later version.
#
# allocbench is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with allocbench. If not, see <http://www.gnu.org/licenses/>.
"""chattymalloc allocator
This shared library is not a functional allocator. It is used to trace
the allocator usage and the executed program. It overrides the malloc API
and saves each call and its result to a memory mapped output file.
"""
import os
from src.artifact import GitArtifact
from src.allocator import Allocator
VERSION = "1a09b144eb18919014ecf86da3442344b0eaa5b2"
class Chattymalloc(Allocator):
"""Chattymalloc definition for allocbench"""
sources = GitArtifact("chattymalloc",
"https://github.com/fischerling/chattymalloc")
def __init__(self, name, **kwargs):
configuration = "--buildtype=release "
for option, value in kwargs.get("options", {}).items():
configuration += f"-D{option}={value} "
self.build_cmds = [
f"meson {{srcdir}} {{dir}} {configuration}", "ninja -C {dir}"
]
self.LD_PRELOAD = "{dir}/libchattymalloc.so"
self.cmd_prefix="env CHATTYMALLOC_FILE={{result_dir}}/{{perm}}.trace"
super().__init__(name, **kwargs)
chattymalloc = Chattymalloc("chattymalloc", version=VERSION)
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