kc3-lang/angle/src/libANGLE/histogram_macros.h

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• Hash : 715e935d
  Author :
  Date : 2025-10-08T21:16:08
  

  D3D11: Add UMA metrics for Create*Shader's timing
  
  Bug: chromium:399642827
  Change-Id: Iaf22b598305d8c11ec0ea9bafa6cd1361db571f5
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/7022089
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Auto-Submit: Quyen Le <lehoangquyen@chromium.org>
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Quyen Le <lehoangquyen@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/histogram_macros.h

• //
  // Copyright 2015 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // histogram_macros.h:
  //   Helpers for making histograms, to keep consistency with Chromium's
  //   histogram_macros.h.
  
  #ifndef LIBANGLE_HISTOGRAM_MACROS_H_
  #define LIBANGLE_HISTOGRAM_MACROS_H_
  
  #include <platform/PlatformMethods.h>
  
  #define ANGLE_HISTOGRAM_TIMES(name, sample) ANGLE_HISTOGRAM_CUSTOM_TIMES(name, sample, 1, 10000, 50)
  
  #define ANGLE_HISTOGRAM_MEDIUM_TIMES(name, sample) \
      ANGLE_HISTOGRAM_CUSTOM_TIMES(name, sample, 10, 180000, 50)
  
  // Use this macro when times can routinely be much longer than 10 seconds.
  #define ANGLE_HISTOGRAM_LONG_TIMES(name, sample) \
      ANGLE_HISTOGRAM_CUSTOM_TIMES(name, sample, 1, 3600000, 50)
  
  // Use this macro when times can routinely be much longer than 10 seconds and
  // you want 100 buckets.
  #define ANGLE_HISTOGRAM_LONG_TIMES_100(name, sample) \
      ANGLE_HISTOGRAM_CUSTOM_TIMES(name, sample, 1, 3600000, 100)
  
  // For folks that need real specific times, use this to select a precise range
  // of times you want plotted, and the number of buckets you want used.
  #define ANGLE_HISTOGRAM_CUSTOM_TIMES(name, sample, min, max, bucket_count) \
      ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, min, max, bucket_count)
  
  #define ANGLE_HISTOGRAM_COUNTS(name, sample) \
      ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, 1, 1000000, 50)
  
  #define ANGLE_HISTOGRAM_COUNTS_100(name, sample) \
      ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, 1, 100, 50)
  
  #define ANGLE_HISTOGRAM_COUNTS_10000(name, sample) \
      ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, 1, 10000, 50)
  
  #define ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, min, max, bucket_count)                       \
      ANGLEPlatformCurrent()->histogramCustomCounts(ANGLEPlatformCurrent(), name, sample, min, max, \
                                                    bucket_count)
  
  #define ANGLE_HISTOGRAM_PERCENTAGE(name, under_one_hundred) \
      ANGLE_HISTOGRAM_ENUMERATION(name, under_one_hundred, 101)
  
  #define ANGLE_HISTOGRAM_BOOLEAN(name, sample) \
      ANGLEPlatformCurrent()->histogramBoolean(ANGLEPlatformCurrent(), name, sample)
  
  #define ANGLE_HISTOGRAM_ENUMERATION(name, sample, boundary_value)                      \
      ANGLEPlatformCurrent()->histogramEnumeration(ANGLEPlatformCurrent(), name, sample, \
                                                   boundary_value)
  
  #define ANGLE_HISTOGRAM_MEMORY_KB(name, sample) \
      ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, 1000, 500000, 50)
  
  #define ANGLE_HISTOGRAM_MEMORY_MB(name, sample) \
      ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, 1, 1000, 50)
  
  #define ANGLE_HISTOGRAM_SPARSE_SLOWLY(name, sample) \
      ANGLEPlatformCurrent()->histogramSparse(ANGLEPlatformCurrent(), name, sample)
  
  // Scoped class which logs its time on this earth as a UMA statistic. This is
  // recommended for when you want a histogram which measures the time it takes
  // for a method to execute. This measures in microseconds.
  #define SCOPED_ANGLE_HISTOGRAM_TIMER_US(name) \
      SCOPED_ANGLE_HISTOGRAM_TIMER_US_EXPANDER(name, __COUNTER__)
  
  // This nested macro is necessary to expand __COUNTER__ to an actual value.
  #define SCOPED_ANGLE_HISTOGRAM_TIMER_US_EXPANDER(name, key) \
      SCOPED_ANGLE_HISTOGRAM_TIMER_US_UNIQUE(name, key)
  
  #define SCOPED_ANGLE_HISTOGRAM_TIMER_US_UNIQUE(name, key)                               \
      class [[nodiscard]] ScopedHistogramTimerUs##key                                     \
      {                                                                                   \
        public:                                                                           \
          ScopedHistogramTimerUs##key()                                                   \
              : constructed_(ANGLEPlatformCurrent()->currentTime(ANGLEPlatformCurrent())) \
          {}                                                                              \
          ~ScopedHistogramTimerUs##key()                                                  \
          {                                                                               \
              if (constructed_ == 0)                                                      \
                  return;                                                                 \
              auto *platform = ANGLEPlatformCurrent();                                    \
              double elapsed = platform->currentTime(platform) - constructed_;            \
              int elapsedUS  = static_cast<int>(elapsed * 1e6);                           \
              ANGLE_HISTOGRAM_COUNTS(name, elapsedUS);                                    \
          }                                                                               \
                                                                                          \
        private:                                                                          \
          double constructed_;                                                            \
      } scoped_histogram_timer_us_##key
  
  #endif  // LIBANGLE_HISTOGRAM_MACROS_H_
  

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