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https://github.com/flutter/flutter.git
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abc72933e7
This change also adds TimeRecorder which records time at the start of each frame to capture the latest vsync target display time and wires it in to the rasterizer to add trace events when there is a lag.
340 lines
14 KiB
C++
340 lines
14 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/fml/trace_event.h"
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#include <algorithm>
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#include <atomic>
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#include <utility>
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#include "flutter/fml/ascii_trie.h"
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#include "flutter/fml/build_config.h"
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#include "flutter/fml/logging.h"
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#if (FLUTTER_RELEASE && !defined(OS_FUCHSIA))
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#define TIMELINE_ENABLED 0
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#else
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#define TIMELINE_ENABLED 1
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#endif
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namespace fml {
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namespace tracing {
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#if TIMELINE_ENABLED
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namespace {
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AsciiTrie gWhitelist;
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inline void FlutterTimelineEvent(const char* label,
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int64_t timestamp0,
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int64_t timestamp1_or_async_id,
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Dart_Timeline_Event_Type type,
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intptr_t argument_count,
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const char** argument_names,
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const char** argument_values) {
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if (gWhitelist.Query(label)) {
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Dart_TimelineEvent(label, timestamp0, timestamp1_or_async_id, type,
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argument_count, argument_names, argument_values);
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}
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}
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} // namespace
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void TraceSetWhitelist(const std::vector<std::string>& whitelist) {
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gWhitelist.Fill(whitelist);
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}
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size_t TraceNonce() {
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static std::atomic_size_t gLastItem;
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return ++gLastItem;
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}
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void TraceTimelineEvent(TraceArg category_group,
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TraceArg name,
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int64_t timestamp_micros,
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TraceIDArg identifier,
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Dart_Timeline_Event_Type type,
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const std::vector<const char*>& c_names,
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const std::vector<std::string>& values) {
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const auto argument_count = std::min(c_names.size(), values.size());
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std::vector<const char*> c_values;
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c_values.resize(argument_count, nullptr);
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for (size_t i = 0; i < argument_count; i++) {
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c_values[i] = values[i].c_str();
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}
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FlutterTimelineEvent(
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name, // label
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timestamp_micros, // timestamp0
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identifier, // timestamp1_or_async_id
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type, // event type
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argument_count, // argument_count
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const_cast<const char**>(c_names.data()), // argument_names
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c_values.data() // argument_values
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);
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}
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void TraceTimelineEvent(TraceArg category_group,
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TraceArg name,
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TraceIDArg identifier,
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Dart_Timeline_Event_Type type,
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const std::vector<const char*>& c_names,
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const std::vector<std::string>& values) {
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TraceTimelineEvent(category_group, // group
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name, // name
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Dart_TimelineGetMicros(), // timestamp_micros
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identifier, // identifier
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type, // type
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c_names, // names
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values // values
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);
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}
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void TraceEvent0(TraceArg category_group, TraceArg name) {
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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0, // timestamp1_or_async_id
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Dart_Timeline_Event_Begin, // event type
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0, // argument_count
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nullptr, // argument_names
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nullptr // argument_values
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);
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}
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void TraceEvent1(TraceArg category_group,
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TraceArg name,
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TraceArg arg1_name,
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TraceArg arg1_val) {
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const char* arg_names[] = {arg1_name};
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const char* arg_values[] = {arg1_val};
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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0, // timestamp1_or_async_id
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Dart_Timeline_Event_Begin, // event type
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1, // argument_count
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arg_names, // argument_names
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arg_values // argument_values
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);
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}
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void TraceEvent2(TraceArg category_group,
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TraceArg name,
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TraceArg arg1_name,
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TraceArg arg1_val,
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TraceArg arg2_name,
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TraceArg arg2_val) {
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const char* arg_names[] = {arg1_name, arg2_name};
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const char* arg_values[] = {arg1_val, arg2_val};
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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0, // timestamp1_or_async_id
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Dart_Timeline_Event_Begin, // event type
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2, // argument_count
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arg_names, // argument_names
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arg_values // argument_values
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);
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}
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void TraceEventEnd(TraceArg name) {
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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0, // timestamp1_or_async_id
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Dart_Timeline_Event_End, // event type
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0, // argument_count
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nullptr, // argument_names
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nullptr // argument_values
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);
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}
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void TraceEventAsyncBegin0(TraceArg category_group,
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TraceArg name,
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TraceIDArg id) {
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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id, // timestamp1_or_async_id
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Dart_Timeline_Event_Async_Begin, // event type
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0, // argument_count
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nullptr, // argument_names
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nullptr // argument_values
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);
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}
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void TraceEventAsyncEnd0(TraceArg category_group,
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TraceArg name,
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TraceIDArg id) {
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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id, // timestamp1_or_async_id
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Dart_Timeline_Event_Async_End, // event type
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0, // argument_count
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nullptr, // argument_names
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nullptr // argument_values
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);
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}
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void TraceEventAsyncBegin1(TraceArg category_group,
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TraceArg name,
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TraceIDArg id,
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TraceArg arg1_name,
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TraceArg arg1_val) {
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const char* arg_names[] = {arg1_name};
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const char* arg_values[] = {arg1_val};
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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id, // timestamp1_or_async_id
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Dart_Timeline_Event_Async_Begin, // event type
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1, // argument_count
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arg_names, // argument_names
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arg_values // argument_values
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);
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}
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void TraceEventAsyncEnd1(TraceArg category_group,
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TraceArg name,
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TraceIDArg id,
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TraceArg arg1_name,
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TraceArg arg1_val) {
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const char* arg_names[] = {arg1_name};
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const char* arg_values[] = {arg1_val};
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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id, // timestamp1_or_async_id
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Dart_Timeline_Event_Async_End, // event type
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1, // argument_count
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arg_names, // argument_names
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arg_values // argument_values
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);
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}
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void TraceEventInstant0(TraceArg category_group, TraceArg name) {
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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0, // timestamp1_or_async_id
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Dart_Timeline_Event_Instant, // event type
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0, // argument_count
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nullptr, // argument_names
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nullptr // argument_values
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);
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}
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void TraceEventFlowBegin0(TraceArg category_group,
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TraceArg name,
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TraceIDArg id) {
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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id, // timestamp1_or_async_id
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Dart_Timeline_Event_Flow_Begin, // event type
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0, // argument_count
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nullptr, // argument_names
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nullptr // argument_values
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);
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}
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void TraceEventFlowStep0(TraceArg category_group,
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TraceArg name,
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TraceIDArg id) {
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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id, // timestamp1_or_async_id
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Dart_Timeline_Event_Flow_Step, // event type
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0, // argument_count
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nullptr, // argument_names
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nullptr // argument_values
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);
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}
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void TraceEventFlowEnd0(TraceArg category_group, TraceArg name, TraceIDArg id) {
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FlutterTimelineEvent(name, // label
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Dart_TimelineGetMicros(), // timestamp0
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id, // timestamp1_or_async_id
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Dart_Timeline_Event_Flow_End, // event type
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0, // argument_count
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nullptr, // argument_names
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nullptr // argument_values
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);
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}
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#else // TIMELINE_ENABLED
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void TraceSetWhitelist(const std::vector<std::string>& whitelist) {}
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size_t TraceNonce() {
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return 0;
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}
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void TraceTimelineEvent(TraceArg category_group,
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TraceArg name,
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int64_t timestamp_micros,
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TraceIDArg identifier,
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Dart_Timeline_Event_Type type,
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const std::vector<const char*>& c_names,
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const std::vector<std::string>& values) {}
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void TraceTimelineEvent(TraceArg category_group,
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TraceArg name,
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TraceIDArg identifier,
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Dart_Timeline_Event_Type type,
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const std::vector<const char*>& c_names,
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const std::vector<std::string>& values) {}
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void TraceEvent0(TraceArg category_group, TraceArg name) {}
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void TraceEvent1(TraceArg category_group,
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TraceArg name,
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TraceArg arg1_name,
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TraceArg arg1_val) {}
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void TraceEvent2(TraceArg category_group,
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TraceArg name,
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TraceArg arg1_name,
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TraceArg arg1_val,
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TraceArg arg2_name,
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TraceArg arg2_val) {}
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void TraceEventEnd(TraceArg name) {}
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void TraceEventAsyncComplete(TraceArg category_group,
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TraceArg name,
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TimePoint begin,
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TimePoint end) {}
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void TraceEventAsyncBegin0(TraceArg category_group,
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TraceArg name,
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TraceIDArg id) {}
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void TraceEventAsyncEnd0(TraceArg category_group,
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TraceArg name,
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TraceIDArg id) {}
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void TraceEventAsyncBegin1(TraceArg category_group,
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TraceArg name,
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TraceIDArg id,
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TraceArg arg1_name,
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TraceArg arg1_val) {}
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void TraceEventAsyncEnd1(TraceArg category_group,
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TraceArg name,
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TraceIDArg id,
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TraceArg arg1_name,
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TraceArg arg1_val) {}
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void TraceEventInstant0(TraceArg category_group, TraceArg name) {}
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void TraceEventFlowBegin0(TraceArg category_group,
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TraceArg name,
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TraceIDArg id) {}
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void TraceEventFlowStep0(TraceArg category_group,
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TraceArg name,
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TraceIDArg id) {}
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void TraceEventFlowEnd0(TraceArg category_group, TraceArg name, TraceIDArg id) {
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}
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#endif // TIMELINE_ENABLED
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} // namespace tracing
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} // namespace fml
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