def has_value(self, subsystem, option):
        assert subsystem in self
        return os.path.isfile(os.path.join(self.per_subsystem[subsystem], subsystem + '.' + option))
Check whether the given value exists in the given subsystem.
dataset/ETHPy150Open sosy-lab/benchexec/benchexec/cgroups.py/Cgroup.has_value