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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_NET_CACHE_STATS_H_ | 5 #ifndef CHROME_BROWSER_NET_CACHE_STATS_H_ |
6 #define CHROME_BROWSER_NET_CACHE_STATS_H_ | 6 #define CHROME_BROWSER_NET_CACHE_STATS_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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37 std::size_t operator()(const net::URLRequestContext* value) const { | 37 std::size_t operator()(const net::URLRequestContext* value) const { |
38 return reinterpret_cast<std::size_t>(value); | 38 return reinterpret_cast<std::size_t>(value); |
39 } | 39 } |
40 }; | 40 }; |
41 } | 41 } |
42 | 42 |
43 #endif | 43 #endif |
44 | 44 |
45 namespace chrome_browser_net { | 45 namespace chrome_browser_net { |
46 | 46 |
47 // This class collects UMA stats about cache performance. | 47 // This class collects UMA stats about cache performance. |
rvargas (doing something else)
2012/08/15 22:36:50
This is now stale. And the class name is outdated
tburkard
2012/08/15 23:00:47
What's a good new name? CacheNetworkStats? PageC
rvargas (doing something else)
2012/08/16 01:18:40
LoadTimeStats or NetStats sound good to me.
tburkard
2012/08/16 22:37:43
Done.
| |
48 class CacheStats { | 48 class CacheStats { |
49 public: | 49 public: |
50 enum TabEvent { | 50 enum TabEvent { |
51 SPINNER_START, | 51 SPINNER_START, |
52 SPINNER_STOP | 52 SPINNER_STOP |
53 }; | 53 }; |
54 enum RequestStatus { | |
55 REQUEST_STATUS_CACHE_WAIT, | |
56 REQUEST_STATUS_NETWORK_WAIT, | |
57 REQUEST_STATUS_ACTIVE, | |
58 REQUEST_STATUS_NONE, | |
59 REQUEST_STATUS_MAX | |
60 }; | |
61 enum HistogramType { | |
62 HISTOGRAM_FINAL_AGGREGATE, | |
63 HISTOGRAM_FINAL_CUMULATIVE, | |
64 HISTOGRAM_FINAL_CUMULATIVE_PERCENTAGE, | |
65 HISTOGRAM_INTERMEDIATE_AGGREGATE, | |
66 HISTOGRAM_INTERMEDIATE_CUMULATIVE, | |
67 HISTOGRAM_INTERMEDIATE_CUMULATIVE_PERCENTAGE, | |
68 HISTOGRAM_MAX | |
69 }; | |
70 | |
54 CacheStats(); | 71 CacheStats(); |
55 ~CacheStats(); | 72 ~CacheStats(); |
56 | 73 |
57 void OnCacheWaitStateChange(const net::URLRequest& request, | 74 void OnRequestWaitStateChange(const net::URLRequest& request, |
58 net::NetworkDelegate::CacheWaitState state); | 75 net::NetworkDelegate::RequestWaitState state); |
59 void OnTabEvent(std::pair<int, int> render_view_id, TabEvent event); | 76 void OnTabEvent(std::pair<int, int> render_view_id, TabEvent event); |
60 void RegisterURLRequestContext(const net::URLRequestContext* context, | 77 void RegisterURLRequestContext(const net::URLRequestContext* context, |
61 ChromeURLRequestContext::ContextType type); | 78 ChromeURLRequestContext::ContextType type); |
62 void UnregisterURLRequestContext(const net::URLRequestContext* context); | 79 void UnregisterURLRequestContext(const net::URLRequestContext* context); |
63 | 80 |
64 private: | 81 private: |
65 struct TabLoadStats; | 82 struct TabLoadStats; |
66 // A map mapping a renderer's process id and route id to a TabLoadStats, | 83 // A map mapping a renderer's process id and route id to a TabLoadStats, |
67 // representing that renderer's load statistics. | 84 // representing that renderer's load statistics. |
68 typedef std::map<std::pair<int, int>, TabLoadStats*> TabLoadStatsMap; | 85 typedef std::map<std::pair<int, int>, TabLoadStats*> TabLoadStatsMap; |
69 | 86 |
70 // Gets TabLoadStats for a given RenderView. | 87 // Gets TabLoadStats for a given RenderView. |
71 TabLoadStats* GetTabLoadStats(std::pair<int, int> render_view_id); | 88 TabLoadStats* GetTabLoadStats(std::pair<int, int> render_view_id); |
72 // Deletes TabLoadStats no longer needed for a render view. | 89 // Deletes TabLoadStats no longer needed for a render view. |
73 void RemoveTabLoadStats(std::pair<int, int> render_view_id); | 90 void RemoveTabLoadStats(std::pair<int, int> render_view_id); |
74 // Sets a timer for a given tab to collect stats. |timer_index| indicates | 91 // Sets a timer for a given tab to collect stats. |timer_index| indicates |
75 // how many times stats have been collected since the navigation has started | 92 // how many times stats have been collected since the navigation has started |
76 // for this tab. | 93 // for this tab. |
77 void ScheduleTimer(TabLoadStats* stats); | 94 void ScheduleTimer(TabLoadStats* stats); |
78 // The callback when a timer fires to collect stats again. | 95 // The callback when a timer fires to collect stats again. |
79 void TimerCallback(TabLoadStats* stats); | 96 void TimerCallback(TabLoadStats* stats); |
80 // Helper function to put the current set of cache statistics into an UMA | 97 // Helper function to put the current set of statistics into UMA histograms. |
81 // histogram. | 98 void RecordHistograms(base::TimeDelta elapsed, |
82 void RecordCacheFractionHistogram(base::TimeDelta elapsed, | 99 TabLoadStats* stats, |
83 base::TimeDelta cache_time, | 100 bool is_load_done); |
84 bool is_load_done, | |
85 int timer_index); | |
86 | 101 |
87 TabLoadStatsMap tab_load_stats_; | 102 TabLoadStatsMap tab_load_stats_; |
88 std::vector<base::Histogram*> final_histograms_; | 103 std::vector<base::Histogram*> histograms_[REQUEST_STATUS_MAX][HISTOGRAM_MAX]; |
89 std::vector<base::Histogram*> intermediate_histograms_; | |
90 base::hash_set<const net::URLRequestContext*> main_request_contexts_; | 104 base::hash_set<const net::URLRequestContext*> main_request_contexts_; |
91 | 105 |
92 DISALLOW_COPY_AND_ASSIGN(CacheStats); | 106 DISALLOW_COPY_AND_ASSIGN(CacheStats); |
93 }; | 107 }; |
94 | 108 |
95 // A WebContentsObserver watching all tabs, notifying CacheStats | 109 // A WebContentsObserver watching all tabs, notifying CacheStats |
96 // whenever the spinner starts or stops for a given tab, and when a renderer | 110 // whenever the spinner starts or stops for a given tab, and when a renderer |
97 // is no longer used. | 111 // is no longer used. |
98 class CacheStatsTabHelper : public content::WebContentsObserver { | 112 class CacheStatsTabHelper : public content::WebContentsObserver { |
99 public: | 113 public: |
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118 | 132 |
119 CacheStats* cache_stats_; | 133 CacheStats* cache_stats_; |
120 bool is_otr_profile_; | 134 bool is_otr_profile_; |
121 | 135 |
122 DISALLOW_COPY_AND_ASSIGN(CacheStatsTabHelper); | 136 DISALLOW_COPY_AND_ASSIGN(CacheStatsTabHelper); |
123 }; | 137 }; |
124 | 138 |
125 } // namespace chrome_browser_net | 139 } // namespace chrome_browser_net |
126 | 140 |
127 #endif // CHROME_BROWSER_NET_CACHE_STATS_H_ | 141 #endif // CHROME_BROWSER_NET_CACHE_STATS_H_ |
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