// Cpuacct
TError TCpuacctSubsystem::Usage(TCgroup &cg, uint64_t &value) const {
std::string s;
TError error = cg.Get("cpuacct.usage", s);
if (error)
return error;
return StringToUint64(s, value);
}
// Freezer
TError TFreezerSubsystem::WaitState(TCgroup &cg, const std::string &state) const {
uint64_t deadline = GetCurrentTimeMs() + config().daemon().freezer_wait_timeout_s() * 1000;
std::string cur;
TError error;
do {
error = cg.Get("freezer.state", cur);
if (error || StringTrim(cur) == state)
return error;
} while (!WaitDeadline(deadline));
return TError(EError::Unknown, "Freezer " + cg.Name + " timeout waiting " + state);
}
bool TFreezerSubsystem::IsFrozen(TCgroup &cg) const {
std::string state;
return !cg.Get("freezer.state", state) && StringTrim(state) != "THAWED";
}