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- // Copyright 2013 The Chromium Authors. All rights reserved.
- // 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(); \
- break; \
- } \
- } 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 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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