| // |
| // 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/Platform.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 up to 10 seconds. |
| #define SCOPED_ANGLE_HISTOGRAM_TIMER(name) \ |
| SCOPED_ANGLE_HISTOGRAM_TIMER_EXPANDER(name, false, __COUNTER__) |
| |
| // Similar scoped histogram timer, but this uses ANGLE_HISTOGRAM_LONG_TIMES_100, |
| // which measures up to an hour, and uses 100 buckets. This is more expensive |
| // to store, so only use if this often takes >10 seconds. |
| #define SCOPED_ANGLE_HISTOGRAM_LONG_TIMER(name) \ |
| SCOPED_ANGLE_HISTOGRAM_TIMER_EXPANDER(name, true, __COUNTER__) |
| |
| // This nested macro is necessary to expand __COUNTER__ to an actual value. |
| #define SCOPED_ANGLE_HISTOGRAM_TIMER_EXPANDER(name, is_long, key) \ |
| SCOPED_ANGLE_HISTOGRAM_TIMER_UNIQUE(name, is_long, key) |
| |
| #define SCOPED_ANGLE_HISTOGRAM_TIMER_UNIQUE(name, is_long, key) \ |
| class ScopedHistogramTimer##key \ |
| { \ |
| public: \ |
| ScopedHistogramTimer##key() \ |
| : constructed_(ANGLEPlatformCurrent()->currentTime(ANGLEPlatformCurrent())) \ |
| { \ |
| } \ |
| ~ScopedHistogramTimer##key() \ |
| { \ |
| if (constructed_ == 0) \ |
| return; \ |
| auto *platform = ANGLEPlatformCurrent(); \ |
| double elapsed = platform->currentTime(platform) - constructed_; \ |
| int elapsedMS = static_cast<int>(elapsed * 1000.0); \ |
| if (is_long) \ |
| { \ |
| ANGLE_HISTOGRAM_LONG_TIMES_100(name, elapsedMS); \ |
| } \ |
| else \ |
| { \ |
| ANGLE_HISTOGRAM_TIMES(name, elapsedMS); \ |
| } \ |
| } \ |
| \ |
| private: \ |
| double constructed_; \ |
| } scoped_histogram_timer_##key |
| |
| #endif // BASE_METRICS_HISTOGRAM_MACROS_H_ |