Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(13)

Side by Side Diff: chrome/browser/net/cache_stats.h

Issue 10834313: Add histograms for network activity, and total/cumulative (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « chrome/browser/io_thread.cc ('k') | chrome/browser/net/cache_stats.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
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
3 // found in the LICENSE file.
4
5 #ifndef CHROME_BROWSER_NET_CACHE_STATS_H_
6 #define CHROME_BROWSER_NET_CACHE_STATS_H_
7
8 #include <map>
9 #include <vector>
10
11 #include "base/basictypes.h"
12 #include "base/compiler_specific.h"
13 #include "base/hash_tables.h"
14 #include "base/memory/scoped_ptr.h"
15 #include "base/message_loop.h"
16 #include "base/time.h"
17 #include "chrome/browser/net/chrome_url_request_context.h"
18 #include "content/public/browser/web_contents_observer.h"
19 #include "net/base/network_delegate.h"
20
21 class TabContents;
22
23 namespace base {
24 class Histogram;
25 }
26
27 namespace net {
28 class URLRequest;
29 class URLRequestContext;
30 }
31
32 #if defined(COMPILER_GCC)
33
34 namespace BASE_HASH_NAMESPACE {
35 template <>
36 struct hash<const net::URLRequestContext*> {
37 std::size_t operator()(const net::URLRequestContext* value) const {
38 return reinterpret_cast<std::size_t>(value);
39 }
40 };
41 }
42
43 #endif
44
45 namespace chrome_browser_net {
46
47 // This class collects UMA stats about cache performance.
48 class CacheStats {
49 public:
50 enum TabEvent {
51 SPINNER_START,
52 SPINNER_STOP
53 };
54 CacheStats();
55 ~CacheStats();
56
57 void OnCacheWaitStateChange(const net::URLRequest& request,
58 net::NetworkDelegate::CacheWaitState state);
59 void OnTabEvent(std::pair<int, int> render_view_id, TabEvent event);
60 void RegisterURLRequestContext(const net::URLRequestContext* context,
61 ChromeURLRequestContext::ContextType type);
62 void UnregisterURLRequestContext(const net::URLRequestContext* context);
63
64 private:
65 struct TabLoadStats;
66 // A map mapping a renderer's process id and route id to a TabLoadStats,
67 // representing that renderer's load statistics.
68 typedef std::map<std::pair<int, int>, TabLoadStats*> TabLoadStatsMap;
69
70 // Gets TabLoadStats for a given RenderView.
71 TabLoadStats* GetTabLoadStats(std::pair<int, int> render_view_id);
72 // Deletes TabLoadStats no longer needed for a render view.
73 void RemoveTabLoadStats(std::pair<int, int> render_view_id);
74 // 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
76 // for this tab.
77 void ScheduleTimer(TabLoadStats* stats);
78 // The callback when a timer fires to collect stats again.
79 void TimerCallback(TabLoadStats* stats);
80 // Helper function to put the current set of cache statistics into an UMA
81 // histogram.
82 void RecordCacheFractionHistogram(base::TimeDelta elapsed,
83 base::TimeDelta cache_time,
84 bool is_load_done,
85 int timer_index);
86
87 TabLoadStatsMap tab_load_stats_;
88 std::vector<base::Histogram*> final_histograms_;
89 std::vector<base::Histogram*> intermediate_histograms_;
90 base::hash_set<const net::URLRequestContext*> main_request_contexts_;
91
92 DISALLOW_COPY_AND_ASSIGN(CacheStats);
93 };
94
95 // A WebContentsObserver watching all tabs, notifying CacheStats
96 // whenever the spinner starts or stops for a given tab, and when a renderer
97 // is no longer used.
98 class CacheStatsTabHelper : public content::WebContentsObserver {
99 public:
100 explicit CacheStatsTabHelper(TabContents* tab);
101 virtual ~CacheStatsTabHelper();
102
103 // content::WebContentsObserver implementation
104 virtual void DidStartProvisionalLoadForFrame(
105 int64 frame_id,
106 bool is_main_frame,
107 const GURL& validated_url,
108 bool is_error_page,
109 content::RenderViewHost* render_view_host) OVERRIDE;
110 virtual void DidStopLoading(
111 content::RenderViewHost* render_view_host) OVERRIDE;
112
113 private:
114 // Calls into CacheStats to notify that a reportable event has occurred
115 // for the tab being observed.
116 void NotifyCacheStats(CacheStats::TabEvent event,
117 content::RenderViewHost* render_view_host);
118
119 CacheStats* cache_stats_;
120 bool is_otr_profile_;
121
122 DISALLOW_COPY_AND_ASSIGN(CacheStatsTabHelper);
123 };
124
125 } // namespace chrome_browser_net
126
127 #endif // CHROME_BROWSER_NET_CACHE_STATS_H_
OLDNEW
« no previous file with comments | « chrome/browser/io_thread.cc ('k') | chrome/browser/net/cache_stats.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698