Created
June 3, 2018 13:24
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import os | |
groups_types = {'cpu': '/sys/fs/cgroup/cpu/system.slice/', | |
'memory': '/sys/fs/cgroup/memory/system.slice/'} | |
def create_cgroups(name): | |
for group, path in groups_types.items(): | |
if os.path.exists(path): | |
target = os.path.join(path, name) | |
if not os.path.exists(target): | |
os.makedirs(target) | |
else: | |
print('%s cgroup is not mounted' % group) | |
def assing_cgroups(name, pid): | |
for _, path in groups_types.items(): | |
path = os.path.join(path, name, 'cgroup.procs') | |
_write_data(path, pid) | |
def set_cpu_shares(name, shares): | |
path = os.path.join(groups_types['cpu'], name, 'cpu.shares') | |
_write_data(path, shares) | |
def set_memory_limit(name, limit): | |
path = os.path.join(groups_types['memory'], name, 'cpu.shares') | |
_write_data(path, limit) | |
def _write_data(path, data): | |
if not os.path.exists(path): | |
return | |
with open(path, 'w') as fd: | |
fd.write('%d\n' % int(data)) |
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