implemented levels_available API

include/detail/api.hpp

@@ -96,6 +96,13 @@ namespace compass {
 
             struct cacheline{
 
+                static std::uint32_t levels_available(){
+
+                    using current_arch_t = ct::arch::type;
+                    return compass::runtime::detail::size::cacheline::levels_available(current_arch_t());
+
+                }
+
                 static std::uint32_t level(int _lvl){
 
                     using current_arch_t = ct::arch::type;
@@ -106,6 +113,13 @@ namespace compass {
 
             struct cache{
 
+                static std::uint32_t levels_available(){
+
+                    using current_arch_t = ct::arch::type;
+                    return compass::runtime::detail::size::cache::levels_available(current_arch_t());
+
+                }
+
                 static std::uint32_t level(int _lvl){
 
                     using current_arch_t = ct::arch::type;

include/detail/rt/x86_sizes.hpp

@@ -60,12 +60,14 @@ namespace compass {
 
         public:
 
-            static const cacheline& get(){
-              static cacheline instance;
-              return instance;
-            }
-
+          static const cacheline& get(){
+            static cacheline instance;
+            return instance;
+          }
 
+          static std::uint32_t levels_available(ct::x86_tag){
+            return cacheline::get().ebx_data_.size();
+          }
 
           static std::uint32_t level(int _lvl, ct::x86_tag){
 
@@ -123,6 +125,10 @@ namespace compass {
             return instance;
           }
 
+          static std::uint32_t levels_available(ct::x86_tag){
+            return cache::get().ebx_data_.size();
+          }
+
           static std::uint32_t level(int _lvl, ct::x86_tag){
 
             if(_lvl <= 0){