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