ppapi/api/private/ppb_uma_private.idl

   1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2  * Use of this source code is governed by a BSD-style license that can be
   3  * found in the LICENSE file.
   4  */
   5
   6 /**
   7  * This file defines the <code>PPB_UMA_Private</code> interface.
   8  */
   9 label Chrome {
  10   M18 = 0.1
  11 };
  12
  13 /**
  14  * Contains functions for plugins to report UMA usage stats.
  15  */
  16 interface PPB_UMA_Private {
  17   /**
  18    * HistogramCustomTimes is a pointer to a function which records a time
  19    * sample given in milliseconds in the histogram given by |name|, possibly
  20    * creating the histogram if it does not exist.
  21    */
  22   void HistogramCustomTimes([in] PP_Var name,
  23                             [in] int64_t sample,
  24                             [in] int64_t min,
  25                             [in] int64_t max,
  26                             [in] uint32_t bucket_count);
  27
  28   /**
  29    * HistogramCustomCounts is a pointer to a function which records a sample
  30    * in the histogram given by |name|, possibly creating the histogram if it
  31    * does not exist.
  32    */
  33   void HistogramCustomCounts([in] PP_Var name,
  34                              [in] int32_t sample,
  35                              [in] int32_t min,
  36                              [in] int32_t max,
  37                              [in] uint32_t bucket_count);
  38
  39   /**
  40    * HistogramEnumeration is a pointer to a function which records a sample
  41    * in the histogram given by |name|, possibly creating the histogram if it
  42    * does not exist.  The sample represents a value in an enumeration bounded
  43    * by |boundary_value|, that is, sample < boundary_value always.
  44    */
  45   void HistogramEnumeration([in] PP_Var name,
  46                             [in] int32_t sample,
  47                             [in] int32_t boundary_value);
  48 };