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# Copyright 2018-2019 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.
"""Scalloc definition for allocbench"""
from src.allocator import Allocator
from src.artifact import GitArtifact
class Scalloc(Allocator):
"""Scalloc allocator"""
sources = GitArtifact("scalloc", "https://github.com/cksystemsgroup/scalloc")
def __init__(self, name, **kwargs):
self.prepare_cmds = ["tools/make_deps.sh",
"build/gyp/gyp --depth=. scalloc.gyp"]
self.build_cmds = ["cd {srcdir}; BUILDTYPE=Release make",
"mkdir -p {dir}"]
self.LD_PRELOAD = "{srcdir}/out/Release/lib.target/libscalloc.so"
self.patches = ["{patchdir}/scalloc_fix_log.patch"]
super().__init__(name, **kwargs)
def build(self):
with open("/proc/sys/vm/overcommit_memory", "r") as f:
if f.read()[0] != "1":
raise AssertionError("""\
vm.overcommit_memory not set
Scalloc needs permission to overcommit_memory.
sysctl vm.overcommit_memory=1
""")
return super().build()
scalloc = Scalloc("scalloc", color="xkcd:magenta", version="v1.0.0")
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