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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef NET_DISK_CACHE_SIMPLE_SIMPLE_HISTOGRAM_MACROS_H_ | |
| 6 #define NET_DISK_CACHE_SIMPLE_SIMPLE_HISTOGRAM_MACROS_H_ | |
| 7 | |
| 8 #include "base/metrics/histogram.h" | |
| 9 #include "base/metrics/sparse_histogram.h" | |
| 10 #include "net/base/cache_type.h" | |
| 11 | |
| 12 // This file contains macros used to report histograms. The main issue is that | |
| 13 // we want to have separate histograms for each type of cache (app, http, and | |
| 14 // media), while making it easy to report histograms and have all names | |
| 15 // precomputed. | |
| 16 | |
| 17 #define SIMPLE_CACHE_THUNK(uma_type, args) UMA_HISTOGRAM_##uma_type args | |
| 18 | |
| 19 // TODO(pasko): add histograms for shader cache as soon as it becomes possible | |
| 20 // for a user to get shader cache with the |SimpleBackendImpl| without altering | |
| 21 // any flags. | |
| 22 #define SIMPLE_CACHE_UMA(uma_type, uma_name, cache_type, ...) \ | |
| 23 do { \ | |
| 24 switch (cache_type) { \ | |
| 25 case net::DISK_CACHE: \ | |
| 26 SIMPLE_CACHE_THUNK( \ | |
| 27 uma_type, ("SimpleCache.Http." uma_name, ##__VA_ARGS__)); \ | |
| 28 break; \ | |
| 29 case net::APP_CACHE: \ | |
| 30 SIMPLE_CACHE_THUNK( \ | |
| 31 uma_type, ("SimpleCache.App." uma_name, ##__VA_ARGS__)); \ | |
| 32 break; \ | |
| 33 case net::MEDIA_CACHE: \ | |
| 34 SIMPLE_CACHE_THUNK( \ | |
| 35 uma_type, ("SimpleCache.Media." uma_name, ##__VA_ARGS__)); \ | |
| 36 break; \ | |
| 37 case net::SHADER_CACHE: \ | |
| 38 break; \ | |
| 39 default: \ | |
| 40 NOTREACHED(); \ | |
| 41 break; \ | |
| 42 } \ | |
| 43 } while (0) | |
| 44 | |
| 45 #endif // NET_DISK_CACHE_SIMPLE_SIMPLE_HISTOGRAM_MACROS_H_ | |
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