82     jlong memory_and_swap_limit_in_bytes(julong host_mem, julong host_swap) override;
 83     jlong memory_and_swap_usage_in_bytes(julong host_mem, julong host_swap) override;
 84     jlong memory_soft_limit_in_bytes(julong upper_bound) override;
 85     jlong memory_max_usage_in_bytes() override;
 86     jlong rss_usage_in_bytes() override;
 87     jlong cache_usage_in_bytes() override;
 88     jlong kernel_memory_usage_in_bytes();
 89     jlong kernel_memory_limit_in_bytes(julong host_mem);
 90     jlong kernel_memory_max_usage_in_bytes();
 91     void print_version_specific_info(outputStream* st, julong host_mem) override;
 92     bool needs_hierarchy_adjustment() override {
 93       return reader()->needs_hierarchy_adjustment();
 94     }
 95     bool is_read_only() override {
 96       return reader()->is_read_only();
 97     }
 98     const char* subsystem_path() override { return reader()->subsystem_path(); }
 99     const char* mount_point() override { return reader()->mount_point(); }
100     const char* cgroup_path() override { return reader()->cgroup_path(); }
101   private:

102     jlong read_mem_swappiness();
103     jlong read_mem_swap(julong host_total_memsw);
104 
105   public:
106     CgroupV1MemoryController(const CgroupV1Controller& reader)
107       : _reader(reader) {
108     }
109 
110 };
111 
112 class CgroupV1CpuController final : public CgroupCpuController {
113 
114   private:
115     CgroupV1Controller _reader;
116     CgroupV1Controller* reader() { return &_reader; }
117   public:
118     int cpu_quota() override;
119     int cpu_period() override;
120     int cpu_shares() override;
121     void set_subsystem_path(const char *cgroup_path) override {

 82     jlong memory_and_swap_limit_in_bytes(julong host_mem, julong host_swap) override;
 83     jlong memory_and_swap_usage_in_bytes(julong host_mem, julong host_swap) override;
 84     jlong memory_soft_limit_in_bytes(julong upper_bound) override;
 85     jlong memory_max_usage_in_bytes() override;
 86     jlong rss_usage_in_bytes() override;
 87     jlong cache_usage_in_bytes() override;
 88     jlong kernel_memory_usage_in_bytes();
 89     jlong kernel_memory_limit_in_bytes(julong host_mem);
 90     jlong kernel_memory_max_usage_in_bytes();
 91     void print_version_specific_info(outputStream* st, julong host_mem) override;
 92     bool needs_hierarchy_adjustment() override {
 93       return reader()->needs_hierarchy_adjustment();
 94     }
 95     bool is_read_only() override {
 96       return reader()->is_read_only();
 97     }
 98     const char* subsystem_path() override { return reader()->subsystem_path(); }
 99     const char* mount_point() override { return reader()->mount_point(); }
100     const char* cgroup_path() override { return reader()->cgroup_path(); }
101   private:
102     jlong uses_mem_hierarchy();
103     jlong read_mem_swappiness();
104     jlong read_mem_swap(julong host_total_memsw);
105 
106   public:
107     CgroupV1MemoryController(const CgroupV1Controller& reader)
108       : _reader(reader) {
109     }
110 
111 };
112 
113 class CgroupV1CpuController final : public CgroupCpuController {
114 
115   private:
116     CgroupV1Controller _reader;
117     CgroupV1Controller* reader() { return &_reader; }
118   public:
119     int cpu_quota() override;
120     int cpu_period() override;
121     int cpu_shares() override;
122     void set_subsystem_path(const char *cgroup_path) override {