/*
   +----------------------------------------------------------------------+
   | HipHop for PHP                                                       |
   +----------------------------------------------------------------------+
   | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
*/

#ifndef incl_HPHP_JIT_RELEASE_VV_PROFILE_H_
#define incl_HPHP_JIT_RELEASE_VV_PROFILE_H_

#include <folly/Format.h>

#include "hphp/runtime/vm/jit/target-profile.h"

namespace HPHP { namespace jit {

///////////////////////////////////////////////////////////////////////////////

struct ReleaseVVProfile {
  std::string toString() const {
    return folly::sformat("{}/{} released", released, executed);
  }

  int percentReleased() const {
    return executed ? (100 * released / executed) : 0;
  };

  static void reduce(ReleaseVVProfile& a, const ReleaseVVProfile& b) {
    // Racy but OK---just used for profiling to trigger optimization.
    a.executed += b.executed;
    a.released += b.released;
  }

  uint16_t executed;
  uint16_t released;
};

///////////////////////////////////////////////////////////////////////////////

} }

#endif
