Files
Fluxup_PAP/node_modules/react-native/ReactCommon/jsinspector-modern/tracing/TraceEventSerializer.cpp
2026-03-10 16:18:05 +00:00

115 lines
3.7 KiB
C++

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