diff options
author | Andras Becsi <andras.becsi@digia.com> | 2014-03-18 13:16:26 +0100 |
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committer | Frederik Gladhorn <frederik.gladhorn@digia.com> | 2014-03-20 15:55:39 +0100 |
commit | 3f0f86b0caed75241fa71c95a5d73bc0164348c5 (patch) | |
tree | 92b9fb00f2e9e90b0be2262093876d4f43b6cd13 /chromium/ui/events/latency_info.cc | |
parent | e90d7c4b152c56919d963987e2503f9909a666d2 (diff) | |
download | qtwebengine-chromium-3f0f86b0caed75241fa71c95a5d73bc0164348c5.tar.gz |
Update to new stable branch 1750
This also includes an updated ninja and chromium dependencies
needed on Windows.
Change-Id: Icd597d80ed3fa4425933c9f1334c3c2e31291c42
Reviewed-by: Zoltan Arvai <zarvai@inf.u-szeged.hu>
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>
Diffstat (limited to 'chromium/ui/events/latency_info.cc')
-rw-r--r-- | chromium/ui/events/latency_info.cc | 179 |
1 files changed, 163 insertions, 16 deletions
diff --git a/chromium/ui/events/latency_info.cc b/chromium/ui/events/latency_info.cc index 796f442ae6d..a3a11828db0 100644 --- a/chromium/ui/events/latency_info.cc +++ b/chromium/ui/events/latency_info.cc @@ -2,13 +2,118 @@ // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. +#include "base/debug/trace_event.h" +#include "base/json/json_writer.h" +#include "base/memory/scoped_ptr.h" +#include "base/strings/stringprintf.h" #include "ui/events/latency_info.h" #include <algorithm> +namespace { +const char* GetComponentName(ui::LatencyComponentType type) { +#define CASE_TYPE(t) case ui::t: return #t + switch (type) { + CASE_TYPE(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_SCROLL_UPDATE_RWH_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_UI_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_ACKED_TOUCH_COMPONENT); + CASE_TYPE(WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_MOUSE_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_TOUCH_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_GESTURE_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT); + CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT); + CASE_TYPE(LATENCY_INFO_LIST_TERMINATED_OVERFLOW_COMPONENT); + default: + DLOG(WARNING) << "Unhandled LatencyComponentType.\n"; + break; + } +#undef CASE_TYPE + return "unknown"; +} + +bool IsTerminalComponent(ui::LatencyComponentType type) { + switch (type) { + case ui::INPUT_EVENT_LATENCY_TERMINATED_MOUSE_COMPONENT: + case ui::INPUT_EVENT_LATENCY_TERMINATED_TOUCH_COMPONENT: + case ui::INPUT_EVENT_LATENCY_TERMINATED_GESTURE_COMPONENT: + case ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT: + case ui::INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT: + case ui::INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT: + case ui::LATENCY_INFO_LIST_TERMINATED_OVERFLOW_COMPONENT: + return true; + default: + return false; + } +} + +bool IsBeginComponent(ui::LatencyComponentType type) { + return (type == ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT); +} + +// This class is for converting latency info to trace buffer friendly format. +class LatencyInfoTracedValue : public base::debug::ConvertableToTraceFormat { + public: + static scoped_refptr<ConvertableToTraceFormat> FromValue( + scoped_ptr<base::Value> value); + + virtual void AppendAsTraceFormat(std::string* out) const OVERRIDE; + + private: + explicit LatencyInfoTracedValue(base::Value* value); + virtual ~LatencyInfoTracedValue(); + + scoped_ptr<base::Value> value_; + + DISALLOW_COPY_AND_ASSIGN(LatencyInfoTracedValue); +}; + +scoped_refptr<base::debug::ConvertableToTraceFormat> +LatencyInfoTracedValue::FromValue(scoped_ptr<base::Value> value) { + return scoped_refptr<base::debug::ConvertableToTraceFormat>( + new LatencyInfoTracedValue(value.release())); +} + +LatencyInfoTracedValue::~LatencyInfoTracedValue() { +} + +void LatencyInfoTracedValue::AppendAsTraceFormat(std::string* out) const { + std::string tmp; + base::JSONWriter::Write(value_.get(), &tmp); + *out += tmp; +} + +LatencyInfoTracedValue::LatencyInfoTracedValue(base::Value* value) + : value_(value) { +} + +// Converts latencyinfo into format that can be dumped into trace buffer. +scoped_refptr<base::debug::ConvertableToTraceFormat> AsTraceableData( + const ui::LatencyInfo& latency) { + scoped_ptr<base::DictionaryValue> record_data(new base::DictionaryValue()); + for (ui::LatencyInfo::LatencyMap::const_iterator it = + latency.latency_components.begin(); + it != latency.latency_components.end(); ++it) { + base::DictionaryValue* component_info = new base::DictionaryValue(); + component_info->SetDouble("comp_id", it->first.second); + component_info->SetDouble("time", it->second.event_time.ToInternalValue()); + component_info->SetDouble("count", it->second.event_count); + record_data->Set(GetComponentName(it->first.first), component_info); + } + record_data->SetDouble("trace_id", latency.trace_id); + return LatencyInfoTracedValue::FromValue(record_data.PassAs<base::Value>()); +} + +} // namespace + namespace ui { -LatencyInfo::LatencyInfo() { +LatencyInfo::LatencyInfo() : trace_id(-1), terminated(false) { } LatencyInfo::~LatencyInfo() { @@ -22,7 +127,8 @@ void LatencyInfo::MergeWith(const LatencyInfo& other) { it->first.second, it->second.sequence_number, it->second.event_time, - it->second.event_count); + it->second.event_count, + false); } } @@ -35,7 +141,8 @@ void LatencyInfo::AddNewLatencyFrom(const LatencyInfo& other) { it->first.second, it->second.sequence_number, it->second.event_time, - it->second.event_count); + it->second.event_count, + false); } } } @@ -44,31 +151,51 @@ void LatencyInfo::AddLatencyNumber(LatencyComponentType component, int64 id, int64 component_sequence_number) { AddLatencyNumberWithTimestamp(component, id, component_sequence_number, - base::TimeTicks::HighResNow(), 1); + base::TimeTicks::HighResNow(), 1, true); } void LatencyInfo::AddLatencyNumberWithTimestamp(LatencyComponentType component, int64 id, int64 component_sequence_number, base::TimeTicks time, - uint32 event_count) { + uint32 event_count, + bool dump_to_trace) { + if (dump_to_trace && IsBeginComponent(component)) { + // Should only ever add begin component once. + CHECK_EQ(-1, trace_id); + trace_id = component_sequence_number; + TRACE_EVENT_ASYNC_BEGIN0("benchmark", + "InputLatency", + TRACE_ID_DONT_MANGLE(trace_id)); + } + LatencyMap::key_type key = std::make_pair(component, id); LatencyMap::iterator it = latency_components.find(key); if (it == latency_components.end()) { LatencyComponent info = {component_sequence_number, time, event_count}; latency_components[key] = info; - return; + } else { + it->second.sequence_number = std::max(component_sequence_number, + it->second.sequence_number); + uint32 new_count = event_count + it->second.event_count; + if (event_count > 0 && new_count != 0) { + // Do a weighted average, so that the new event_time is the average of + // the times of events currently in this structure with the time passed + // into this method. + it->second.event_time += (time - it->second.event_time) * event_count / + new_count; + it->second.event_count = new_count; + } } - it->second.sequence_number = std::max(component_sequence_number, - it->second.sequence_number); - uint32 new_count = event_count + it->second.event_count; - if (event_count > 0 && new_count != 0) { - // Do a weighted average, so that the new event_time is the average of - // the times of events currently in this structure with the time passed - // into this method. - it->second.event_time += (time - it->second.event_time) * event_count / - new_count; - it->second.event_count = new_count; + + if (dump_to_trace && IsTerminalComponent(component) && trace_id != -1) { + // Should only ever add terminal component once. + CHECK(!terminated); + terminated = true; + TRACE_EVENT_ASYNC_END1("benchmark", + "InputLatency", + TRACE_ID_DONT_MANGLE(trace_id), + "data", AsTraceableData(*this)); } } @@ -84,8 +211,28 @@ bool LatencyInfo::FindLatency(LatencyComponentType type, return true; } +void LatencyInfo::RemoveLatency(LatencyComponentType type) { + LatencyMap::iterator it = latency_components.begin(); + while (it != latency_components.end()) { + if (it->first.first == type) { + LatencyMap::iterator tmp = it; + ++it; + latency_components.erase(tmp); + } else { + it++; + } + } +} + void LatencyInfo::Clear() { latency_components.clear(); } +void LatencyInfo::TraceEventType(const char* event_type) { + TRACE_EVENT_ASYNC_STEP_INTO0("benchmark", + "InputLatency", + TRACE_ID_DONT_MANGLE(trace_id), + event_type); +} + } // namespace ui |