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

103     jlong read_mem_swappiness();
104     jlong read_mem_swap(julong upper_memsw_bound);
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 {

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