20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_UTILITIES_HISTOGRAM_HPP
  26 #define SHARE_VM_UTILITIES_HISTOGRAM_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "runtime/os.hpp"
  30 #include "utilities/growableArray.hpp"
  31 #ifdef TARGET_OS_FAMILY_linux
  32 # include "os_linux.inline.hpp"
  33 #endif
  34 #ifdef TARGET_OS_FAMILY_solaris
  35 # include "os_solaris.inline.hpp"
  36 #endif
  37 #ifdef TARGET_OS_FAMILY_windows
  38 # include "os_windows.inline.hpp"
  39 #endif



  40 
  41 // This class provides a framework for collecting various statistics.
  42 // The current implementation is oriented towards counting invocations
  43 // of various types, but that can be easily changed.
  44 //
  45 // To use it, you need to declare a Histogram*, and a subtype of
  46 // HistogramElement:
  47 //
  48 //  HistogramElement* MyHistogram;
  49 //
  50 //  class MyHistogramElement : public HistogramElement {
  51 //    public:
  52 //      MyHistogramElement(char* name);
  53 //  };
  54 //
  55 //  MyHistogramElement::MyHistogramElement(char* elementName) {
  56 //    _name = elementName;
  57 //
  58 //    if(MyHistogram == NULL)
  59 //      MyHistogram = new Histogram("My Call Counts",100);

  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_UTILITIES_HISTOGRAM_HPP
  26 #define SHARE_VM_UTILITIES_HISTOGRAM_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "runtime/os.hpp"
  30 #include "utilities/growableArray.hpp"
  31 #ifdef TARGET_OS_FAMILY_linux
  32 # include "os_linux.inline.hpp"
  33 #endif
  34 #ifdef TARGET_OS_FAMILY_solaris
  35 # include "os_solaris.inline.hpp"
  36 #endif
  37 #ifdef TARGET_OS_FAMILY_windows
  38 # include "os_windows.inline.hpp"
  39 #endif
  40 #ifdef TARGET_OS_FAMILY_bsd
  41 # include "os_bsd.inline.hpp"
  42 #endif
  43 
  44 // This class provides a framework for collecting various statistics.
  45 // The current implementation is oriented towards counting invocations
  46 // of various types, but that can be easily changed.
  47 //
  48 // To use it, you need to declare a Histogram*, and a subtype of
  49 // HistogramElement:
  50 //
  51 //  HistogramElement* MyHistogram;
  52 //
  53 //  class MyHistogramElement : public HistogramElement {
  54 //    public:
  55 //      MyHistogramElement(char* name);
  56 //  };
  57 //
  58 //  MyHistogramElement::MyHistogramElement(char* elementName) {
  59 //    _name = elementName;
  60 //
  61 //    if(MyHistogram == NULL)
  62 //      MyHistogram = new Histogram("My Call Counts",100);