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src/share/vm/services/nmtCommon.hpp

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  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_SERVICES_NMT_COMMON_HPP
  26 #define SHARE_VM_SERVICES_NMT_COMMON_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "utilities/globalDefinitions.hpp"
  30 
  31 #define CALC_OBJ_SIZE_IN_TYPE(obj, type) (align_size_up_(sizeof(obj), sizeof(type))/sizeof(type))
  32 
  33 // Native memory tracking level
  34 enum NMT_TrackingLevel {
  35   NMT_unknown = 0xFF,
  36   NMT_off     = 0x00,
  37   NMT_minimal = 0x01,
  38   NMT_summary = 0x02,
  39   NMT_detail  = 0x03
  40 };
  41 
  42 // Number of stack frames to capture. This is a
  43 // build time decision.
  44 const int NMT_TrackingStackDepth = 4;
  45 
  46 // A few common utilities for native memory tracking
  47 class NMTUtil : AllStatic {
  48  public:
  49   // Map memory type to index
  50   static inline int flag_to_index(MEMFLAGS flag) {
  51     const int index = flag & 0xff;




  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_SERVICES_NMT_COMMON_HPP
  26 #define SHARE_VM_SERVICES_NMT_COMMON_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "utilities/globalDefinitions.hpp"
  30 
  31 #define CALC_OBJ_SIZE_IN_TYPE(obj, type) (align_up_(sizeof(obj), sizeof(type))/sizeof(type))
  32 
  33 // Native memory tracking level
  34 enum NMT_TrackingLevel {
  35   NMT_unknown = 0xFF,
  36   NMT_off     = 0x00,
  37   NMT_minimal = 0x01,
  38   NMT_summary = 0x02,
  39   NMT_detail  = 0x03
  40 };
  41 
  42 // Number of stack frames to capture. This is a
  43 // build time decision.
  44 const int NMT_TrackingStackDepth = 4;
  45 
  46 // A few common utilities for native memory tracking
  47 class NMTUtil : AllStatic {
  48  public:
  49   // Map memory type to index
  50   static inline int flag_to_index(MEMFLAGS flag) {
  51     const int index = flag & 0xff;


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