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46 lines
2.4 KiB
C
46 lines
2.4 KiB
C
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// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_DISK_CACHE_SIMPLE_SIMPLE_HISTOGRAM_MACROS_H_
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#define NET_DISK_CACHE_SIMPLE_SIMPLE_HISTOGRAM_MACROS_H_
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#include "base/metrics/histogram_macros.h"
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#include "base/metrics/sparse_histogram.h"
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#include "net/base/cache_type.h"
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// This file contains macros used to report histograms. The main issue is that
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// we want to have separate histograms for each type of cache (app, http, and
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// media), while making it easy to report histograms and have all names
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// precomputed.
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#define SIMPLE_CACHE_THUNK(uma_type, args) UMA_HISTOGRAM_##uma_type args
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// TODO(pasko): add histograms for shader cache as soon as it becomes possible
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// for a user to get shader cache with the |SimpleBackendImpl| without altering
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// any flags.
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#define SIMPLE_CACHE_UMA(uma_type, uma_name, cache_type, ...) \
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do { \
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switch (cache_type) { \
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case net::DISK_CACHE: \
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SIMPLE_CACHE_THUNK( \
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uma_type, ("SimpleCache.Http." uma_name, ##__VA_ARGS__)); \
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break; \
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case net::APP_CACHE: \
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SIMPLE_CACHE_THUNK( \
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uma_type, ("SimpleCache.App." uma_name, ##__VA_ARGS__)); \
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break; \
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case net::MEDIA_CACHE: \
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SIMPLE_CACHE_THUNK( \
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uma_type, ("SimpleCache.Media." uma_name, ##__VA_ARGS__)); \
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break; \
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case net::SHADER_CACHE: \
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break; \
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default: \
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NOTREACHED(); \
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break; \
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} \
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} while (0)
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#endif // NET_DISK_CACHE_SIMPLE_SIMPLE_HISTOGRAM_MACROS_H_
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