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Side by Side Diff: chrome/browser/prerender/prerender_histograms.cc

Issue 9610006: Refactoring, moving and renaming the NetworkActionPredictor. (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: Changing DB to PKS from RefcountedPKS and addressing comments. Created 8 years, 9 months ago
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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 #include "chrome/browser/prerender/prerender_histograms.h" 5 #include "chrome/browser/prerender/prerender_histograms.h"
6 6
7 #include <string> 7 #include <string>
8 8
9 #include "base/metrics/field_trial.h" 9 #include "base/metrics/field_trial.h"
10 #include "base/metrics/histogram.h" 10 #include "base/metrics/histogram.h"
11 #include "base/stringprintf.h" 11 #include "base/stringprintf.h"
12 #include "chrome/browser/autocomplete/network_action_predictor.h" 12 #include "chrome/browser/predictors/autocomplete_action_predictor.h"
13 #include "chrome/browser/prerender/prerender_field_trial.h" 13 #include "chrome/browser/prerender/prerender_field_trial.h"
14 #include "chrome/browser/prerender/prerender_manager.h" 14 #include "chrome/browser/prerender/prerender_manager.h"
15 #include "chrome/browser/prerender/prerender_util.h" 15 #include "chrome/browser/prerender/prerender_util.h"
16 16
17 using predictors::AutocompleteActionPredictor;
18
17 namespace prerender { 19 namespace prerender {
18 20
19 namespace { 21 namespace {
20 22
21 // Time window for which we will record windowed PLT's from the last 23 // Time window for which we will record windowed PLT's from the last
22 // observed link rel=prefetch tag. 24 // observed link rel=prefetch tag.
23 const int kWindowDurationSeconds = 30; 25 const int kWindowDurationSeconds = 30;
24 26
25 std::string ComposeHistogramName(const std::string& prefix_type, 27 std::string ComposeHistogramName(const std::string& prefix_type,
26 const std::string& name) { 28 const std::string& name) {
(...skipping 14 matching lines...) Expand all
41 name); 43 name);
42 } 44 }
43 45
44 if (experiment_id != kNoExperiment) 46 if (experiment_id != kNoExperiment)
45 return ComposeHistogramName("wash", name); 47 return ComposeHistogramName("wash", name);
46 48
47 switch (origin) { 49 switch (origin) {
48 case ORIGIN_OMNIBOX: 50 case ORIGIN_OMNIBOX:
49 return ComposeHistogramName( 51 return ComposeHistogramName(
50 StringPrintf("omnibox_%.1f", 52 StringPrintf("omnibox_%.1f",
51 NetworkActionPredictor::get_hit_weight()).c_str(), 53 AutocompleteActionPredictor::get_hit_weight()).c_str(),
52 name); 54 name);
53 case ORIGIN_LINK_REL_PRERENDER: 55 case ORIGIN_LINK_REL_PRERENDER:
54 return ComposeHistogramName("web", name); 56 return ComposeHistogramName("web", name);
55 case ORIGIN_GWS_PRERENDER: // Handled above. 57 case ORIGIN_GWS_PRERENDER: // Handled above.
56 default: 58 default:
57 NOTREACHED(); 59 NOTREACHED();
58 break; 60 break;
59 }; 61 };
60 62
61 // Dummy return value to make the compiler happy. 63 // Dummy return value to make the compiler happy.
(...skipping 84 matching lines...) Expand 10 before | Expand all | Expand 10 after
146 // always be in a window in the 30 seconds from each occurrence. 148 // always be in a window in the 30 seconds from each occurrence.
147 last_prerender_seen_time_ = GetCurrentTimeTicks(); 149 last_prerender_seen_time_ = GetCurrentTimeTicks();
148 seen_any_pageload_ = false; 150 seen_any_pageload_ = false;
149 seen_pageload_started_after_prerender_ = false; 151 seen_pageload_started_after_prerender_ = false;
150 } 152 }
151 153
152 void PrerenderHistograms::RecordPrerenderStarted(Origin origin) const { 154 void PrerenderHistograms::RecordPrerenderStarted(Origin origin) const {
153 if (OriginIsOmnibox(origin)) { 155 if (OriginIsOmnibox(origin)) {
154 UMA_HISTOGRAM_COUNTS( 156 UMA_HISTOGRAM_COUNTS(
155 StringPrintf("Prerender.OmniboxPrerenderCount_%.1f%s", 157 StringPrintf("Prerender.OmniboxPrerenderCount_%.1f%s",
156 NetworkActionPredictor::get_hit_weight(), 158 AutocompleteActionPredictor::get_hit_weight(),
157 PrerenderManager::GetModeString()).c_str(), 159 PrerenderManager::GetModeString()).c_str(),
158 1); 160 1);
159 } 161 }
160 } 162 }
161 163
162 void PrerenderHistograms::RecordUsedPrerender(Origin origin) const { 164 void PrerenderHistograms::RecordUsedPrerender(Origin origin) const {
163 if (OriginIsOmnibox(origin)) { 165 if (OriginIsOmnibox(origin)) {
164 UMA_HISTOGRAM_COUNTS( 166 UMA_HISTOGRAM_COUNTS(
165 StringPrintf("Prerender.OmniboxNavigationsUsedPrerenderCount_%.1f%s", 167 StringPrintf("Prerender.OmniboxNavigationsUsedPrerenderCount_%.1f%s",
166 NetworkActionPredictor::get_hit_weight(), 168 AutocompleteActionPredictor::get_hit_weight(),
167 PrerenderManager::GetModeString()).c_str(), 169 PrerenderManager::GetModeString()).c_str(),
168 1); 170 1);
169 } 171 }
170 } 172 }
171 173
172 base::TimeTicks PrerenderHistograms::GetCurrentTimeTicks() const { 174 base::TimeTicks PrerenderHistograms::GetCurrentTimeTicks() const {
173 return base::TimeTicks::Now(); 175 return base::TimeTicks::Now();
174 } 176 }
175 177
176 // Helper macro for histograms. 178 // Helper macro for histograms.
(...skipping 162 matching lines...) Expand 10 before | Expand all | Expand 10 after
339 return last_origin_; 341 return last_origin_;
340 } 342 }
341 343
342 bool PrerenderHistograms::IsOriginExperimentWash() const { 344 bool PrerenderHistograms::IsOriginExperimentWash() const {
343 if (!WithinWindow()) 345 if (!WithinWindow())
344 return false; 346 return false;
345 return origin_experiment_wash_; 347 return origin_experiment_wash_;
346 } 348 }
347 349
348 } // namespace prerender 350 } // namespace prerender
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