| // Copyright (c) 2012 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. |
| |
| #include "chrome/renderer/page_load_histograms.h" |
| |
| #include <string> |
| |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/metrics/histogram.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/time/time.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "chrome/renderer/chrome_content_renderer_client.h" |
| #include "content/public/common/content_constants.h" |
| #include "content/public/renderer/document_state.h" |
| #include "content/public/renderer/render_thread.h" |
| #include "content/public/renderer/render_view.h" |
| #include "extensions/common/url_pattern.h" |
| #include "third_party/WebKit/public/platform/WebURLRequest.h" |
| #include "third_party/WebKit/public/platform/WebURLResponse.h" |
| #include "third_party/WebKit/public/web/WebDocument.h" |
| #include "third_party/WebKit/public/web/WebFrame.h" |
| #include "third_party/WebKit/public/web/WebPerformance.h" |
| #include "third_party/WebKit/public/web/WebView.h" |
| #include "url/gurl.h" |
| |
| using WebKit::WebDataSource; |
| using WebKit::WebFrame; |
| using WebKit::WebPerformance; |
| using WebKit::WebString; |
| using base::Time; |
| using base::TimeDelta; |
| using content::DocumentState; |
| |
| const size_t kPLTCount = 100; |
| |
| namespace { |
| |
| TimeDelta kPLTMin() { |
| return TimeDelta::FromMilliseconds(10); |
| } |
| TimeDelta kPLTMax() { |
| return TimeDelta::FromMinutes(10); |
| } |
| |
| #define PLT_HISTOGRAM(name, sample) \ |
| UMA_HISTOGRAM_CUSTOM_TIMES(name, sample, kPLTMin(), kPLTMax(), kPLTCount); |
| |
| // In addition to PLT_HISTOGRAM, add the *_DataReductionProxy variant |
| // conditionally. This macro runs only in one thread. |
| #define PLT_HISTOGRAM_DRP(name, sample, data_reduction_proxy_was_used) \ |
| do { \ |
| static base::HistogramBase* counter(NULL); \ |
| static base::HistogramBase* drp_counter(NULL); \ |
| if (!counter) { \ |
| DCHECK(drp_counter == NULL); \ |
| counter = base::Histogram::FactoryTimeGet( \ |
| name, kPLTMin(), kPLTMax(), kPLTCount, \ |
| base::Histogram::kUmaTargetedHistogramFlag); \ |
| } \ |
| counter->AddTime(sample); \ |
| if (!data_reduction_proxy_was_used) break; \ |
| if (!drp_counter) { \ |
| drp_counter = base::Histogram::FactoryTimeGet( \ |
| std::string(name) + "_DataReductionProxy", \ |
| kPLTMin(), kPLTMax(), kPLTCount, \ |
| base::Histogram::kUmaTargetedHistogramFlag); \ |
| } \ |
| drp_counter->AddTime(sample); \ |
| } while (0) |
| |
| // Returns the scheme type of the given URL if its type is one for which we |
| // dump page load histograms. Otherwise returns NULL. |
| URLPattern::SchemeMasks GetSupportedSchemeType(const GURL& url) { |
| if (url.SchemeIs("http")) |
| return URLPattern::SCHEME_HTTP; |
| else if (url.SchemeIs("https")) |
| return URLPattern::SCHEME_HTTPS; |
| return static_cast<URLPattern::SchemeMasks>(0); |
| } |
| |
| // Returns true if the data reduction proxy was used. Note, this function will |
| // produce a false positive if a page is fetched using SPDY and using a proxy, |
| // and |kDatReductionProxyViaValue| is added to the Via header. |
| // TODO(bengr): Plumb the hostname of the proxy from |HttpNetworkTransaction| |
| // and check if it matches |SPDY_PROXY_AUTH_ORIGIN|. |
| bool DataReductionProxyWasUsed(WebFrame* frame) { |
| #if defined(SPDY_PROXY_AUTH_ORIGIN) |
| const char kViaHeaderName[] = "Via"; |
| const char kDatReductionProxyViaValue[] = "1.1 Chrome Compression Proxy"; |
| |
| DocumentState* document_state = |
| DocumentState::FromDataSource(frame->dataSource()); |
| if (!document_state->was_fetched_via_proxy()) |
| return false; |
| |
| std::string via_header(UTF16ToUTF8( |
| frame->dataSource()->response().httpHeaderField(kViaHeaderName))); |
| return via_header.find(kDatReductionProxyViaValue) != std::string::npos; |
| #endif |
| return false; |
| } |
| |
| void DumpPerformanceTiming(const WebPerformance& performance, |
| DocumentState* document_state, |
| bool data_reduction_proxy_was_used) { |
| Time request = document_state->request_time(); |
| |
| Time navigation_start = Time::FromDoubleT(performance.navigationStart()); |
| Time redirect_start = Time::FromDoubleT(performance.redirectStart()); |
| Time redirect_end = Time::FromDoubleT(performance.redirectEnd()); |
| Time fetch_start = Time::FromDoubleT(performance.fetchStart()); |
| Time domain_lookup_start = Time::FromDoubleT(performance.domainLookupStart()); |
| Time domain_lookup_end = Time::FromDoubleT(performance.domainLookupEnd()); |
| Time connect_start = Time::FromDoubleT(performance.connectStart()); |
| Time connect_end = Time::FromDoubleT(performance.connectEnd()); |
| Time request_start = Time::FromDoubleT(performance.requestStart()); |
| Time response_start = Time::FromDoubleT(performance.responseStart()); |
| Time response_end = Time::FromDoubleT(performance.responseEnd()); |
| Time dom_loading = Time::FromDoubleT(performance.domLoading()); |
| Time dom_interactive = Time::FromDoubleT(performance.domInteractive()); |
| Time dom_content_loaded_start = |
| Time::FromDoubleT(performance.domContentLoadedEventStart()); |
| Time dom_content_loaded_end = |
| Time::FromDoubleT(performance.domContentLoadedEventEnd()); |
| Time load_event_start = Time::FromDoubleT(performance.loadEventStart()); |
| Time load_event_end = Time::FromDoubleT(performance.loadEventEnd()); |
| Time begin = (request.is_null() ? navigation_start : request_start); |
| |
| DCHECK(!navigation_start.is_null()); |
| |
| // It is possible for a document to have navigation_start time, but no |
| // request_start. An example is doing a window.open, which synchronously |
| // loads "about:blank", then using document.write add a meta http-equiv |
| // refresh tag, which causes a navigation. In such case, we will arrive at |
| // this function with no request/response timing data and identical load |
| // start/end values. Avoid logging this case, as it doesn't add any |
| // meaningful information to the histogram. |
| if (request_start.is_null()) |
| return; |
| |
| // TODO(dominich): Investigate conditions under which |load_event_start| and |
| // |load_event_end| may be NULL as in the non-PT_ case below. Examples in |
| // http://crbug.com/112006. |
| // DCHECK(!load_event_start.is_null()); |
| // DCHECK(!load_event_end.is_null()); |
| |
| if (document_state->web_timing_histograms_recorded()) |
| return; |
| document_state->set_web_timing_histograms_recorded(true); |
| |
| if (!redirect_start.is_null() && !redirect_end.is_null()) { |
| PLT_HISTOGRAM_DRP("PLT.NT_Redirect", redirect_end - redirect_start, |
| data_reduction_proxy_was_used); |
| PLT_HISTOGRAM_DRP( |
| "PLT.NT_DelayBeforeFetchRedirect", |
| (fetch_start - navigation_start) - (redirect_end - redirect_start), |
| data_reduction_proxy_was_used); |
| } else { |
| PLT_HISTOGRAM_DRP("PLT.NT_DelayBeforeFetch", |
| fetch_start - navigation_start, |
| data_reduction_proxy_was_used); |
| } |
| PLT_HISTOGRAM_DRP("PLT.NT_DelayBeforeDomainLookup", |
| domain_lookup_start - fetch_start, |
| data_reduction_proxy_was_used); |
| PLT_HISTOGRAM_DRP("PLT.NT_DomainLookup", |
| domain_lookup_end - domain_lookup_start, |
| data_reduction_proxy_was_used); |
| PLT_HISTOGRAM_DRP("PLT.NT_DelayBeforeConnect", |
| connect_start - domain_lookup_end, |
| data_reduction_proxy_was_used); |
| PLT_HISTOGRAM_DRP("PLT.NT_Connect", connect_end - connect_start, |
| data_reduction_proxy_was_used); |
| PLT_HISTOGRAM_DRP("PLT.NT_DelayBeforeRequest", |
| request_start - connect_end, |
| data_reduction_proxy_was_used); |
| PLT_HISTOGRAM_DRP("PLT.NT_Request", response_start - request_start, |
| data_reduction_proxy_was_used); |
| PLT_HISTOGRAM_DRP("PLT.NT_Response", response_end - response_start, |
| data_reduction_proxy_was_used); |
| |
| if (!dom_loading.is_null()) { |
| PLT_HISTOGRAM_DRP("PLT.NT_DelayBeforeDomLoading", |
| dom_loading - response_start, |
| data_reduction_proxy_was_used); |
| } |
| if (!dom_interactive.is_null() && !dom_loading.is_null()) { |
| PLT_HISTOGRAM_DRP("PLT.NT_DomLoading", |
| dom_interactive - dom_loading, |
| data_reduction_proxy_was_used); |
| } |
| if (!dom_content_loaded_start.is_null() && !dom_interactive.is_null()) { |
| PLT_HISTOGRAM_DRP("PLT.NT_DomInteractive", |
| dom_content_loaded_start - dom_interactive, |
| data_reduction_proxy_was_used); |
| } |
| if (!dom_content_loaded_start.is_null() && |
| !dom_content_loaded_end.is_null() ) { |
| PLT_HISTOGRAM_DRP("PLT.NT_DomContentLoaded", |
| dom_content_loaded_end - dom_content_loaded_start, |
| data_reduction_proxy_was_used); |
| } |
| if (!dom_content_loaded_end.is_null() && !load_event_start.is_null()) { |
| PLT_HISTOGRAM_DRP("PLT.NT_DelayBeforeLoadEvent", |
| load_event_start - dom_content_loaded_end, |
| data_reduction_proxy_was_used); |
| } |
| |
| // TODO(simonjam): There is no way to distinguish between abandonment and |
| // intentional Javascript navigation before the load event fires. |
| // TODO(dominich): Load type breakdown |
| if (!load_event_start.is_null()) { |
| PLT_HISTOGRAM("PLT.PT_BeginToFinishDoc", load_event_start - begin); |
| PLT_HISTOGRAM("PLT.PT_CommitToFinishDoc", |
| load_event_start - response_start); |
| if (data_reduction_proxy_was_used) { |
| PLT_HISTOGRAM("PLT.PT_BeginToFinishDoc_DataReductionProxy", |
| load_event_start - begin); |
| PLT_HISTOGRAM("PLT.PT_CommitToFinishDoc_DataReductionProxy", |
| load_event_start - response_start); |
| } |
| } |
| if (!load_event_end.is_null()) { |
| PLT_HISTOGRAM("PLT.PT_BeginToFinish", load_event_end - begin); |
| PLT_HISTOGRAM("PLT.PT_CommitToFinish", load_event_end - response_start); |
| PLT_HISTOGRAM("PLT.PT_RequestToFinish", load_event_end - navigation_start); |
| PLT_HISTOGRAM("PLT.PT_StartToFinish", load_event_end - request_start); |
| if (data_reduction_proxy_was_used) { |
| PLT_HISTOGRAM("PLT.PT_BeginToFinish_DataReductionProxy", |
| load_event_end - begin); |
| PLT_HISTOGRAM("PLT.PT_CommitToFinish_DataReductionProxy", |
| load_event_end - response_start); |
| PLT_HISTOGRAM("PLT.PT_RequestToFinish_DataReductionProxy", |
| load_event_end - navigation_start); |
| PLT_HISTOGRAM("PLT.PT_StartToFinish_DataReductionProxy", |
| load_event_end - request_start); |
| } |
| } |
| if (!load_event_start.is_null() && !load_event_end.is_null()) { |
| PLT_HISTOGRAM("PLT.PT_FinishDocToFinish", |
| load_event_end - load_event_start); |
| PLT_HISTOGRAM_DRP("PLT.NT_LoadEvent", |
| load_event_end - load_event_start, |
| data_reduction_proxy_was_used); |
| |
| if (data_reduction_proxy_was_used) { |
| PLT_HISTOGRAM("PLT.PT_FinishDocToFinish_DataReductionProxy", |
| load_event_end - load_event_start); |
| } |
| } |
| PLT_HISTOGRAM("PLT.PT_BeginToCommit", response_start - begin); |
| PLT_HISTOGRAM("PLT.PT_RequestToStart", request_start - navigation_start); |
| PLT_HISTOGRAM("PLT.PT_StartToCommit", response_start - request_start); |
| if (data_reduction_proxy_was_used) { |
| PLT_HISTOGRAM("PLT.PT_BeginToCommit_DataReductionProxy", |
| response_start - begin); |
| PLT_HISTOGRAM("PLT.PT_RequestToStart_DataReductionProxy", |
| request_start - navigation_start); |
| PLT_HISTOGRAM("PLT.PT_StartToCommit_DataReductionProxy", |
| response_start - request_start); |
| } |
| } |
| |
| enum MissingStartType { |
| START_MISSING = 0x1, |
| COMMIT_MISSING = 0x2, |
| NAV_START_MISSING = 0x4, |
| MISSING_START_TYPE_MAX = 0x8 |
| }; |
| |
| enum AbandonType { |
| FINISH_DOC_MISSING = 0x1, |
| FINISH_ALL_LOADS_MISSING = 0x2, |
| LOAD_EVENT_START_MISSING = 0x4, |
| LOAD_EVENT_END_MISSING = 0x8, |
| ABANDON_TYPE_MAX = 0x10 |
| }; |
| |
| } // namespace |
| |
| PageLoadHistograms::PageLoadHistograms(content::RenderView* render_view) |
| : content::RenderViewObserver(render_view), |
| cross_origin_access_count_(0), |
| same_origin_access_count_(0) { |
| } |
| |
| void PageLoadHistograms::Dump(WebFrame* frame) { |
| // We only dump histograms for main frames. |
| // In the future, it may be interesting to tag subframes and dump them too. |
| if (!frame || frame->parent()) |
| return; |
| |
| // Only dump for supported schemes. |
| URLPattern::SchemeMasks scheme_type = |
| GetSupportedSchemeType(frame->document().url()); |
| if (scheme_type == 0) |
| return; |
| |
| // Ignore multipart requests. |
| if (frame->dataSource()->response().isMultipartPayload()) |
| return; |
| |
| DocumentState* document_state = |
| DocumentState::FromDataSource(frame->dataSource()); |
| |
| bool data_reduction_proxy_was_used = DataReductionProxyWasUsed(frame); |
| |
| // Times based on the Web Timing metrics. |
| // http://www.w3.org/TR/navigation-timing/ |
| // TODO(tonyg, jar): We are in the process of vetting these metrics against |
| // the existing ones. Once we understand any differences, we will standardize |
| // on a single set of metrics. |
| DumpPerformanceTiming(frame->performance(), document_state, |
| data_reduction_proxy_was_used); |
| |
| // If we've already dumped, do nothing. |
| // This simple bool works because we only dump for the main frame. |
| if (document_state->load_histograms_recorded()) |
| return; |
| |
| // Collect measurement times. |
| Time start = document_state->start_load_time(); |
| Time commit = document_state->commit_load_time(); |
| |
| // TODO(tonyg, jar): Start can be missing after an in-document navigation and |
| // possibly other cases like a very premature abandonment of the page. |
| // The PLT.MissingStart histogram should help us troubleshoot and then we can |
| // remove this. |
| Time navigation_start = |
| Time::FromDoubleT(frame->performance().navigationStart()); |
| int missing_start_type = 0; |
| missing_start_type |= start.is_null() ? START_MISSING : 0; |
| missing_start_type |= commit.is_null() ? COMMIT_MISSING : 0; |
| missing_start_type |= navigation_start.is_null() ? NAV_START_MISSING : 0; |
| UMA_HISTOGRAM_ENUMERATION("PLT.MissingStart", missing_start_type, |
| MISSING_START_TYPE_MAX); |
| if (missing_start_type) |
| return; |
| |
| // We properly handle null values for the next 3 variables. |
| Time request = document_state->request_time(); |
| Time first_paint = document_state->first_paint_time(); |
| Time first_paint_after_load = document_state->first_paint_after_load_time(); |
| Time finish_doc = document_state->finish_document_load_time(); |
| Time finish_all_loads = document_state->finish_load_time(); |
| |
| // TODO(tonyg, jar): We suspect a bug in abandonment counting, this temporary |
| // histogram should help us to troubleshoot. |
| Time load_event_start = |
| Time::FromDoubleT(frame->performance().loadEventStart()); |
| Time load_event_end = Time::FromDoubleT(frame->performance().loadEventEnd()); |
| int abandon_type = 0; |
| abandon_type |= finish_doc.is_null() ? FINISH_DOC_MISSING : 0; |
| abandon_type |= finish_all_loads.is_null() ? FINISH_ALL_LOADS_MISSING : 0; |
| abandon_type |= load_event_start.is_null() ? LOAD_EVENT_START_MISSING : 0; |
| abandon_type |= load_event_end.is_null() ? LOAD_EVENT_END_MISSING : 0; |
| UMA_HISTOGRAM_ENUMERATION("PLT.AbandonType", abandon_type, ABANDON_TYPE_MAX); |
| |
| // Handle case where user hits "stop" or "back" before loading completely. |
| bool abandoned_page = finish_doc.is_null(); |
| if (abandoned_page) { |
| finish_doc = Time::Now(); |
| document_state->set_finish_document_load_time(finish_doc); |
| } |
| |
| // TODO(jar): We should really discriminate the definition of "abandon" more |
| // finely. We should have: |
| // abandon_before_document_loaded |
| // abandon_before_onload_fired |
| |
| if (finish_all_loads.is_null()) { |
| finish_all_loads = Time::Now(); |
| document_state->set_finish_load_time(finish_all_loads); |
| } else { |
| DCHECK(!abandoned_page); // How can the doc have finished but not the page? |
| if (abandoned_page) |
| return; // Don't try to record a stat which is broken. |
| } |
| |
| document_state->set_load_histograms_recorded(true); |
| |
| // Note: Client side redirects will have no request time. |
| Time begin = request.is_null() ? start : request; |
| TimeDelta begin_to_finish_doc = finish_doc - begin; |
| TimeDelta begin_to_finish_all_loads = finish_all_loads - begin; |
| TimeDelta start_to_finish_all_loads = finish_all_loads - start; |
| TimeDelta start_to_commit = commit - start; |
| |
| DocumentState::LoadType load_type = document_state->load_type(); |
| |
| // The above code sanitized all values of times, in preparation for creating |
| // actual histograms. The remainder of this code could be run at destructor |
| // time for the document_state, since all data is intact. |
| |
| // Aggregate PLT data across all link types. |
| UMA_HISTOGRAM_ENUMERATION("PLT.Abandoned", abandoned_page ? 1 : 0, 2); |
| UMA_HISTOGRAM_ENUMERATION("PLT.LoadType", load_type, |
| DocumentState::kLoadTypeMax); |
| PLT_HISTOGRAM("PLT.StartToCommit", start_to_commit); |
| PLT_HISTOGRAM("PLT.CommitToFinishDoc", finish_doc - commit); |
| PLT_HISTOGRAM("PLT.FinishDocToFinish", finish_all_loads - finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToCommit", commit - begin); |
| PLT_HISTOGRAM("PLT.StartToFinish", start_to_finish_all_loads); |
| if (!request.is_null()) { |
| PLT_HISTOGRAM("PLT.RequestToStart", start - request); |
| PLT_HISTOGRAM("PLT.RequestToFinish", finish_all_loads - request); |
| } |
| PLT_HISTOGRAM("PLT.CommitToFinish", finish_all_loads - commit); |
| |
| scoped_ptr<TimeDelta> begin_to_first_paint; |
| scoped_ptr<TimeDelta> commit_to_first_paint; |
| if (!first_paint.is_null()) { |
| // 'first_paint' can be before 'begin' for an unknown reason. |
| // See bug http://crbug.com/125273 for details. |
| if (begin <= first_paint) { |
| begin_to_first_paint.reset(new TimeDelta(first_paint - begin)); |
| PLT_HISTOGRAM("PLT.BeginToFirstPaint", *begin_to_first_paint); |
| } |
| DCHECK(commit <= first_paint); |
| commit_to_first_paint.reset(new TimeDelta(first_paint - commit)); |
| PLT_HISTOGRAM("PLT.CommitToFirstPaint", *commit_to_first_paint); |
| } |
| if (!first_paint_after_load.is_null()) { |
| // 'first_paint_after_load' can be before 'begin' for an unknown reason. |
| // See bug http://crbug.com/125273 for details. |
| if (begin <= first_paint_after_load) { |
| PLT_HISTOGRAM("PLT.BeginToFirstPaintAfterLoad", |
| first_paint_after_load - begin); |
| } |
| DCHECK(commit <= first_paint_after_load); |
| PLT_HISTOGRAM("PLT.CommitToFirstPaintAfterLoad", |
| first_paint_after_load - commit); |
| DCHECK(finish_all_loads <= first_paint_after_load); |
| PLT_HISTOGRAM("PLT.FinishToFirstPaintAfterLoad", |
| first_paint_after_load - finish_all_loads); |
| } |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc", begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish", begin_to_finish_all_loads); |
| |
| // Load type related histograms. |
| switch (load_type) { |
| case DocumentState::UNDEFINED_LOAD: |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_UndefLoad", begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_UndefLoad", begin_to_finish_all_loads); |
| break; |
| case DocumentState::RELOAD: |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_Reload", begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_Reload", begin_to_finish_all_loads); |
| break; |
| case DocumentState::HISTORY_LOAD: |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_HistoryLoad", begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_HistoryLoad", begin_to_finish_all_loads); |
| break; |
| case DocumentState::NORMAL_LOAD: |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_NormalLoad", begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_NormalLoad", begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_NORMAL: |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_LinkLoadNormal", |
| begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_LinkLoadNormal", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_RELOAD: |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_LinkLoadReload", |
| begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_LinkLoadReload", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_CACHE_STALE_OK: |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_LinkLoadStaleOk", |
| begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_LinkLoadStaleOk", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_CACHE_ONLY: |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_LinkLoadCacheOnly", |
| begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_LinkLoadCacheOnly", |
| begin_to_finish_all_loads); |
| break; |
| default: |
| break; |
| } |
| |
| if (data_reduction_proxy_was_used) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "PLT.Abandoned_SpdyProxy", abandoned_page ? 1 : 0, 2); |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_SpdyProxy", begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_SpdyProxy", begin_to_finish_all_loads); |
| } |
| |
| if (document_state->was_prefetcher()) { |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_ContentPrefetcher", |
| begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_ContentPrefetcher", |
| begin_to_finish_all_loads); |
| } |
| if (document_state->was_referred_by_prefetcher()) { |
| PLT_HISTOGRAM("PLT.BeginToFinishDoc_ContentPrefetcherReferrer", |
| begin_to_finish_doc); |
| PLT_HISTOGRAM("PLT.BeginToFinish_ContentPrefetcherReferrer", |
| begin_to_finish_all_loads); |
| } |
| |
| // TODO(mpcomplete): remove the extension-related histograms after we collect |
| // enough data. http://crbug.com/100411 |
| const bool use_adblock_histogram = |
| chrome::ChromeContentRendererClient::IsAdblockInstalled(); |
| if (use_adblock_histogram) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "PLT.Abandoned_ExtensionAdblock", |
| abandoned_page ? 1 : 0, 2); |
| switch (load_type) { |
| case DocumentState::NORMAL_LOAD: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_NormalLoad_ExtensionAdblock", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_NORMAL: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadNormal_ExtensionAdblock", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_RELOAD: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadReload_ExtensionAdblock", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_CACHE_STALE_OK: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadStaleOk_ExtensionAdblock", |
| begin_to_finish_all_loads); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| const bool use_adblockplus_histogram = |
| chrome::ChromeContentRendererClient::IsAdblockPlusInstalled(); |
| if (use_adblockplus_histogram) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "PLT.Abandoned_ExtensionAdblockPlus", |
| abandoned_page ? 1 : 0, 2); |
| switch (load_type) { |
| case DocumentState::NORMAL_LOAD: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_NormalLoad_ExtensionAdblockPlus", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_NORMAL: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadNormal_ExtensionAdblockPlus", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_RELOAD: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadReload_ExtensionAdblockPlus", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_CACHE_STALE_OK: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadStaleOk_ExtensionAdblockPlus", |
| begin_to_finish_all_loads); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| const bool use_webrequest_adblock_histogram = |
| chrome::ChromeContentRendererClient::IsAdblockWithWebRequestInstalled(); |
| if (use_webrequest_adblock_histogram) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "PLT.Abandoned_ExtensionWebRequestAdblock", |
| abandoned_page ? 1 : 0, 2); |
| switch (load_type) { |
| case DocumentState::NORMAL_LOAD: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_NormalLoad_ExtensionWebRequestAdblock", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_NORMAL: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadNormal_ExtensionWebRequestAdblock", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_RELOAD: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadReload_ExtensionWebRequestAdblock", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_CACHE_STALE_OK: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadStaleOk_ExtensionWebRequestAdblock", |
| begin_to_finish_all_loads); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| const bool use_webrequest_adblockplus_histogram = |
| chrome::ChromeContentRendererClient:: |
| IsAdblockPlusWithWebRequestInstalled(); |
| if (use_webrequest_adblockplus_histogram) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "PLT.Abandoned_ExtensionWebRequestAdblockPlus", |
| abandoned_page ? 1 : 0, 2); |
| switch (load_type) { |
| case DocumentState::NORMAL_LOAD: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_NormalLoad_ExtensionWebRequestAdblockPlus", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_NORMAL: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadNormal_ExtensionWebRequestAdblockPlus", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_RELOAD: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadReload_ExtensionWebRequestAdblockPlus", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_CACHE_STALE_OK: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadStaleOk_ExtensionWebRequestAdblockPlus", |
| begin_to_finish_all_loads); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| const bool use_webrequest_other_histogram = |
| chrome::ChromeContentRendererClient:: |
| IsOtherExtensionWithWebRequestInstalled(); |
| if (use_webrequest_other_histogram) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "PLT.Abandoned_ExtensionWebRequestOther", |
| abandoned_page ? 1 : 0, 2); |
| switch (load_type) { |
| case DocumentState::NORMAL_LOAD: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_NormalLoad_ExtensionWebRequestOther", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_NORMAL: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadNormal_ExtensionWebRequestOther", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_RELOAD: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadReload_ExtensionWebRequestOther", |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_CACHE_STALE_OK: |
| PLT_HISTOGRAM( |
| "PLT.BeginToFinish_LinkLoadStaleOk_ExtensionWebRequestOther", |
| begin_to_finish_all_loads); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| // Record SpdyCwnd results. |
| if (document_state->was_fetched_via_spdy()) { |
| switch (load_type) { |
| case DocumentState::LINK_LOAD_NORMAL: |
| PLT_HISTOGRAM("PLT.BeginToFinish_LinkLoadNormal_cwndDynamic", |
| begin_to_finish_all_loads); |
| PLT_HISTOGRAM("PLT.StartToFinish_LinkLoadNormal_cwndDynamic", |
| start_to_finish_all_loads); |
| PLT_HISTOGRAM("PLT.StartToCommit_LinkLoadNormal_cwndDynamic", |
| start_to_commit); |
| break; |
| case DocumentState::NORMAL_LOAD: |
| PLT_HISTOGRAM("PLT.BeginToFinish_NormalLoad_cwndDynamic", |
| begin_to_finish_all_loads); |
| PLT_HISTOGRAM("PLT.StartToFinish_NormalLoad_cwndDynamic", |
| start_to_finish_all_loads); |
| PLT_HISTOGRAM("PLT.StartToCommit_NormalLoad_cwndDynamic", |
| start_to_commit); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| // Record page load time and abandonment rates for proxy cases. |
| if (document_state->was_fetched_via_proxy()) { |
| if (scheme_type == URLPattern::SCHEME_HTTPS) { |
| PLT_HISTOGRAM("PLT.StartToFinish.Proxy.https", start_to_finish_all_loads); |
| UMA_HISTOGRAM_ENUMERATION("PLT.Abandoned.Proxy.https", |
| abandoned_page ? 1 : 0, 2); |
| } else { |
| DCHECK(scheme_type == URLPattern::SCHEME_HTTP); |
| PLT_HISTOGRAM("PLT.StartToFinish.Proxy.http", start_to_finish_all_loads); |
| UMA_HISTOGRAM_ENUMERATION("PLT.Abandoned.Proxy.http", |
| abandoned_page ? 1 : 0, 2); |
| } |
| } else { |
| if (scheme_type == URLPattern::SCHEME_HTTPS) { |
| PLT_HISTOGRAM("PLT.StartToFinish.NoProxy.https", |
| start_to_finish_all_loads); |
| UMA_HISTOGRAM_ENUMERATION("PLT.Abandoned.NoProxy.https", |
| abandoned_page ? 1 : 0, 2); |
| } else { |
| DCHECK(scheme_type == URLPattern::SCHEME_HTTP); |
| PLT_HISTOGRAM("PLT.StartToFinish.NoProxy.http", |
| start_to_finish_all_loads); |
| UMA_HISTOGRAM_ENUMERATION("PLT.Abandoned.NoProxy.http", |
| abandoned_page ? 1 : 0, 2); |
| } |
| } |
| |
| // Histograms to determine if disabling overlapped TCP reads |
| // has an impact on PLT. |
| static const bool use_overlapped_read_histogram = |
| base::FieldTrialList::TrialExists("OverlappedReadImpact"); |
| if (use_overlapped_read_histogram) { |
| UMA_HISTOGRAM_ENUMERATION( |
| base::FieldTrial::MakeName("PLT.Abandoned", "OverlappedReadImpact"), |
| abandoned_page ? 1 : 0, 2); |
| UMA_HISTOGRAM_ENUMERATION( |
| base::FieldTrial::MakeName("PLT.LoadType", "OverlappedReadImpact"), |
| load_type, DocumentState::kLoadTypeMax); |
| switch (load_type) { |
| case DocumentState::NORMAL_LOAD: |
| PLT_HISTOGRAM(base::FieldTrial::MakeName( |
| "PLT.BeginToFinish_NormalLoad", "OverlappedReadImpact"), |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_NORMAL: |
| PLT_HISTOGRAM(base::FieldTrial::MakeName( |
| "PLT.BeginToFinish_LinkLoadNormal", "OverlappedReadImpact"), |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_RELOAD: |
| PLT_HISTOGRAM(base::FieldTrial::MakeName( |
| "PLT.BeginToFinish_LinkLoadReload", "OverlappedReadImpact"), |
| begin_to_finish_all_loads); |
| break; |
| case DocumentState::LINK_LOAD_CACHE_STALE_OK: |
| PLT_HISTOGRAM(base::FieldTrial::MakeName( |
| "PLT.BeginToFinish_LinkLoadStaleOk", "OverlappedReadImpact"), |
| begin_to_finish_all_loads); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| // Site isolation metrics. |
| UMA_HISTOGRAM_COUNTS("SiteIsolation.PageLoadsWithCrossSiteFrameAccess", |
| cross_origin_access_count_); |
| UMA_HISTOGRAM_COUNTS("SiteIsolation.PageLoadsWithSameSiteFrameAccess", |
| same_origin_access_count_); |
| |
| // Log the PLT to the info log. |
| LogPageLoadTime(document_state, frame->dataSource()); |
| |
| // Since there are currently no guarantees that renderer histograms will be |
| // sent to the browser, we initiate a PostTask here to be sure that we send |
| // the histograms we generated. Without this call, pages that don't have an |
| // on-close-handler might generate data that is lost when the renderer is |
| // shutdown abruptly (perchance because the user closed the tab). |
| // TODO(jar) BUG=33233: This needs to be moved to a PostDelayedTask, and it |
| // should post when the onload is complete, so that it doesn't interfere with |
| // the next load. |
| content::RenderThread::Get()->UpdateHistograms( |
| content::kHistogramSynchronizerReservedSequenceNumber); |
| } |
| |
| void PageLoadHistograms::ResetCrossFramePropertyAccess() { |
| cross_origin_access_count_ = 0; |
| same_origin_access_count_ = 0; |
| } |
| |
| void PageLoadHistograms::FrameWillClose(WebFrame* frame) { |
| Dump(frame); |
| } |
| |
| void PageLoadHistograms::ClosePage() { |
| // TODO(davemoore) This code should be removed once willClose() gets |
| // called when a page is destroyed. page_load_histograms_.Dump() is safe |
| // to call multiple times for the same frame, but it will simplify things. |
| Dump(render_view()->GetWebView()->mainFrame()); |
| ResetCrossFramePropertyAccess(); |
| } |
| |
| void PageLoadHistograms::LogPageLoadTime(const DocumentState* document_state, |
| const WebDataSource* ds) const { |
| // Because this function gets called on every page load, |
| // take extra care to optimize it away if logging is turned off. |
| if (logging::LOG_INFO < logging::GetMinLogLevel()) |
| return; |
| |
| DCHECK(document_state); |
| DCHECK(ds); |
| GURL url(ds->request().url()); |
| Time start = document_state->start_load_time(); |
| Time finish = document_state->finish_load_time(); |
| // TODO(mbelshe): should we log more stats? |
| VLOG(1) << "PLT: " << (finish - start).InMilliseconds() << "ms " |
| << url.spec(); |
| } |
