Snap for 8010657 from cf4b15e61fc7ac1202c645f2daea520048629a82 to sc-v2-release (336b8c29) · Commits · e / os / android_system_core

libprocessgroup/sched_policy.cpp

+30 −21

Original line number	Diff line number	Diff line
		@@ -165,6 +165,26 @@ static int getCGroupSubsys(int tid, const char* subsys, std::string& subgroup) {
		return 0;
		}

		static int get_sched_policy_from_group(const std::string& group, SchedPolicy* policy) {
		if (group.empty()) {
		*policy = SP_FOREGROUND;
		} else if (group == "foreground") {
		*policy = SP_FOREGROUND;
		} else if (group == "system-background") {
		*policy = SP_SYSTEM;
		} else if (group == "background") {
		*policy = SP_BACKGROUND;
		} else if (group == "top-app") {
		*policy = SP_TOP_APP;
		} else if (group == "restricted") {
		*policy = SP_RESTRICTED;
		} else {
		errno = ERANGE;
		return -1;
		}
		return 0;
		}

		int get_sched_policy(int tid, SchedPolicy* policy) {
		if (tid == 0) {
		tid = GetThreadId();
		@@ -177,32 +197,21 @@ int get_sched_policy(int tid, SchedPolicy* policy) {
		LOG(ERROR) << "Failed to find cpu cgroup for tid " << tid;
		return -1;
		}
		// Wipe invalid group to fallback to cpuset
		if (!group.empty()) {
		if (get_sched_policy_from_group(group, policy) < 0) {
		group.clear();
		} else {
		return 0;
		}
		if (group.empty() && cpusets_enabled()) {
		if (getCGroupSubsys(tid, "cpuset", group) < 0) {
		LOG(ERROR) << "Failed to find cpuset cgroup for tid " << tid;
		return -1;
		}
		}

		// TODO: replace hardcoded directories
		if (group.empty()) {
		*policy = SP_FOREGROUND;
		} else if (group == "foreground") {
		*policy = SP_FOREGROUND;
		} else if (group == "system-background") {
		*policy = SP_SYSTEM;
		} else if (group == "background") {
		*policy = SP_BACKGROUND;
		} else if (group == "top-app") {
		*policy = SP_TOP_APP;
		} else if (group == "restricted") {
		*policy = SP_RESTRICTED;
		} else {
		errno = ERANGE;
		if (cpusets_enabled() && getCGroupSubsys(tid, "cpuset", group) < 0) {
		LOG(ERROR) << "Failed to find cpuset cgroup for tid " << tid;
		return -1;
		}
		return 0;
		return get_sched_policy_from_group(group, policy);
		}

		#else