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 #include "precompiled.hpp"
  26 #include "iphlp_interface.hpp"
  27 #include "logging/log.hpp"
  28 #include "memory/allocation.inline.hpp"
  29 #include "memory/resourceArea.hpp"
  30 #include "pdh_interface.hpp"
  31 #include "runtime/os_perf.hpp"
  32 #include "runtime/os.hpp"
  33 #include "utilities/globalDefinitions.hpp"
  34 #include "utilities/macros.hpp"
  35 #include "vm_version_ext_x86.hpp"
  36 #include <math.h>
  37 #include <psapi.h>
  38 #include <TlHelp32.h>
  39 
  40 /*
  41  * Windows provides a vast plethora of performance objects and counters,
  42  * consumption of which is assisted using the Performance Data Helper (PDH) interface.
  43  * We import a selected few api entry points from PDH, see pdh_interface.hpp.
  44  *
  45  * The code located in this file is to a large extent an abstraction over much of the
  46  * plumbing needed to start consuming an object and/or counter of choice.
  47  *
  48  */
  49 
  50  /*
  51  * How to use:
  52  * 1. Create query
  53  * 2. Add counters to the query
  54  * 3. Collect the performance data using the query
  55  * 4. Display the performance data using the counters associated with the query

  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 #include "precompiled.hpp"
  26 #include "iphlp_interface.hpp"
  27 #include "logging/log.hpp"
  28 #include "memory/allocation.inline.hpp"
  29 #include "memory/resourceArea.hpp"
  30 #include "pdh_interface.hpp"
  31 #include "runtime/os_perf.hpp"
  32 #include "runtime/os.hpp"
  33 #include "utilities/globalDefinitions.hpp"
  34 #include "utilities/macros.hpp"
  35 #include CPU_HEADER(vm_version_ext)
  36 #include <math.h>
  37 #include <psapi.h>
  38 #include <TlHelp32.h>
  39 
  40 /*
  41  * Windows provides a vast plethora of performance objects and counters,
  42  * consumption of which is assisted using the Performance Data Helper (PDH) interface.
  43  * We import a selected few api entry points from PDH, see pdh_interface.hpp.
  44  *
  45  * The code located in this file is to a large extent an abstraction over much of the
  46  * plumbing needed to start consuming an object and/or counter of choice.
  47  *
  48  */
  49 
  50  /*
  51  * How to use:
  52  * 1. Create query
  53  * 2. Add counters to the query
  54  * 3. Collect the performance data using the query
  55  * 4. Display the performance data using the counters associated with the query