115 lines
3.7 KiB
C++
115 lines
3.7 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "TraceEventSerializer.h"
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#include "Timing.h"
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#include <react/timing/primitives.h>
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namespace facebook::react::jsinspector_modern::tracing {
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/* static */ folly::dynamic TraceEventSerializer::serialize(
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TraceEvent&& event) {
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folly::dynamic result = folly::dynamic::object;
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if (event.id.has_value()) {
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std::array<char, 16> buffer{};
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snprintf(buffer.data(), buffer.size(), "0x%x", event.id.value());
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result["id"] = buffer.data();
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}
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result["name"] = std::move(event.name);
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result["cat"] = std::move(event.cat);
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result["ph"] = std::string(1, event.ph);
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result["ts"] = highResTimeStampToTracingClockTimeStamp(event.ts);
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result["pid"] = event.pid;
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if (event.s.has_value()) {
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result["s"] = std::string(1, event.s.value());
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}
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result["tid"] = event.tid;
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result["args"] = std::move(event.args);
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if (event.dur.has_value()) {
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result["dur"] = highResDurationToTracingClockDuration(event.dur.value());
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}
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return result;
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}
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/* static */ folly::dynamic TraceEventSerializer::serializeProfileChunk(
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TraceEventProfileChunk&& profileChunk) {
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return folly::dynamic::object(
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"cpuProfile",
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serializeProfileChunkCPUProfile(std::move(profileChunk.cpuProfile)))(
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"timeDeltas",
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serializeProfileChunkTimeDeltas(std::move(profileChunk.timeDeltas)));
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}
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/* static */ folly::dynamic
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TraceEventSerializer::serializeProfileChunkTimeDeltas(
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TraceEventProfileChunk::TimeDeltas&& deltas) {
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auto value = folly::dynamic::array();
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value.reserve(deltas.size());
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for (auto& delta : deltas) {
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value.push_back(highResDurationToTracingClockDuration(delta));
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}
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return value;
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}
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/* static */ folly::dynamic
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TraceEventSerializer::serializeProfileChunkCPUProfile(
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TraceEventProfileChunk::CPUProfile&& cpuProfile) {
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folly::dynamic dynamicNodes = folly::dynamic::array();
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dynamicNodes.reserve(cpuProfile.nodes.size());
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for (auto& node : cpuProfile.nodes) {
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dynamicNodes.push_back(
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serializeProfileChunkCPUProfileNode(std::move(node)));
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}
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folly::dynamic dynamicSamples = folly::dynamic::array(
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std::make_move_iterator(cpuProfile.samples.begin()),
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std::make_move_iterator(cpuProfile.samples.end()));
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return folly::dynamic::object("nodes", std::move(dynamicNodes))(
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"samples", std::move(dynamicSamples));
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}
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/* static */ folly::dynamic
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TraceEventSerializer::serializeProfileChunkCPUProfileNode(
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TraceEventProfileChunk::CPUProfile::Node&& node) {
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folly::dynamic dynamicNode = folly::dynamic::object();
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dynamicNode["callFrame"] =
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serializeProfileChunkCPUProfileNodeCallFrame(std::move(node.callFrame));
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dynamicNode["id"] = node.id;
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if (node.parentId.has_value()) {
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dynamicNode["parent"] = node.parentId.value();
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}
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return dynamicNode;
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}
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/* static */ folly::dynamic
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TraceEventSerializer::serializeProfileChunkCPUProfileNodeCallFrame(
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TraceEventProfileChunk::CPUProfile::Node::CallFrame&& callFrame) {
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folly::dynamic dynamicCallFrame = folly::dynamic::object();
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dynamicCallFrame["codeType"] = std::move(callFrame.codeType);
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dynamicCallFrame["scriptId"] = callFrame.scriptId;
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dynamicCallFrame["functionName"] = std::move(callFrame.functionName);
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if (callFrame.url.has_value()) {
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dynamicCallFrame["url"] = std::move(callFrame.url.value());
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}
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if (callFrame.lineNumber.has_value()) {
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dynamicCallFrame["lineNumber"] = callFrame.lineNumber.value();
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}
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if (callFrame.columnNumber.has_value()) {
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dynamicCallFrame["columnNumber"] = callFrame.columnNumber.value();
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}
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return dynamicCallFrame;
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}
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} // namespace facebook::react::jsinspector_modern::tracing
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