hphp/runtime/vm/jit/release-vv-profile.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #ifndef incl_HPHP_JIT_RELEASE_VV_PROFILE_H_
  18 #define incl_HPHP_JIT_RELEASE_VV_PROFILE_H_
  19
  20 #include <folly/dynamic.h>
  21 #include <folly/Format.h>
  22
  23 #include "hphp/runtime/vm/jit/target-profile.h"
  24
  25 namespace HPHP { namespace jit {
  26
  27 ///////////////////////////////////////////////////////////////////////////////
  28
  29 struct ReleaseVVProfile {
  30   std::string toString() const {
  31     return folly::sformat("{}/{} released", released, executed);
  32   }
  33
  34   folly::dynamic toDynamic() const {
  35     return folly::dynamic::object("profileType", "ReleaseVVProfile")
  36                                  ("released", released)
  37                                  ("executed", executed)
  38                                  ("percentReleased", percentReleased());
  39   }
  40
  41   int percentReleased() const {
  42     return executed ? (100 * released / executed) : 0;
  43   };
  44
  45   static void reduce(ReleaseVVProfile& a, const ReleaseVVProfile& b) {
  46     // Racy but OK---just used for profiling to trigger optimization.
  47     a.executed += b.executed;
  48     a.released += b.released;
  49   }
  50
  51   uint16_t executed;
  52   uint16_t released;
  53 };
  54
  55 ///////////////////////////////////////////////////////////////////////////////
  56
  57 } }
  58
  59 #endif