Merge "libprocessgroup: Add CgroupGetAttributePathForProcess and CgroupProcs attribute" into main (6ddb8684) · Commits · e / os / android_system_core

libprocessgroup/include/processgroup/processgroup.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,8 @@ bool CgroupGetAttributePath(const std::string& attr_name, std::string* path);
		// Provides the path for an attribute in a specific process group
		// Returns false in case of error, true in case of success
		bool CgroupGetAttributePathForTask(const std::string& attr_name, pid_t tid, std::string* path);
		bool CgroupGetAttributePathForProcess(std::string_view attr_name, uid_t uid, pid_t pid,
		std::string &path);

		bool SetTaskProfiles(pid_t tid, const std::vector<std::string>& profiles,
		bool use_fd_cache = false);

+17 −0

Original line number	Diff line number	Diff line
		@@ -154,6 +154,23 @@ bool CgroupGetAttributePathForTask(const std::string& attr_name, pid_t tid, std:
		return true;
		}

		bool CgroupGetAttributePathForProcess(std::string_view attr_name, uid_t uid, pid_t pid,
		std::string &path) {
		const TaskProfiles& tp = TaskProfiles::GetInstance();
		const IProfileAttribute* attr = tp.GetAttribute(attr_name);

		if (attr == nullptr) {
		return false;
		}

		if (!attr->GetPathForProcess(uid, pid, &path)) {
		LOG(ERROR) << "Failed to find cgroup for uid " << uid << " pid " << pid;
		return false;
		}

		return true;
		}

		bool UsePerAppMemcg() {
		bool low_ram_device = GetBoolProperty("ro.config.low_ram", false);
		return GetBoolProperty("ro.config.per_app_memcg", low_ram_device);

+5 −0