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115 lines
3.3 KiB
115 lines
3.3 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmMakefileProfilingData.h"
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#include <chrono>
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#include <stdexcept>
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#include <vector>
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#include <cm3p/json/value.h>
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#include <cm3p/json/writer.h>
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#include "cmsys/FStream.hxx"
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#include "cmsys/SystemInformation.hxx"
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#include "cmListFileCache.h"
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#include "cmStringAlgorithms.h"
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#include "cmSystemTools.h"
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cmMakefileProfilingData::cmMakefileProfilingData(
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const std::string& profileStream)
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{
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std::ios::openmode omode = std::ios::out | std::ios::trunc;
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this->ProfileStream.open(profileStream.c_str(), omode);
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Json::StreamWriterBuilder wbuilder;
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this->JsonWriter =
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std::unique_ptr<Json::StreamWriter>(wbuilder.newStreamWriter());
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if (!this->ProfileStream.good()) {
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throw std::runtime_error(std::string("Unable to open: ") + profileStream);
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}
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this->ProfileStream << "[";
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}
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cmMakefileProfilingData::~cmMakefileProfilingData() noexcept
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{
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if (this->ProfileStream.good()) {
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try {
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this->ProfileStream << "]";
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this->ProfileStream.close();
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} catch (...) {
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cmSystemTools::Error("Error writing profiling output!");
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}
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}
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}
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void cmMakefileProfilingData::StartEntry(const cmListFileFunction& lff,
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cmListFileContext const& lfc)
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{
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/* Do not try again if we previously failed to write to output. */
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if (!this->ProfileStream.good()) {
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return;
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}
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try {
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if (this->ProfileStream.tellp() > 1) {
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this->ProfileStream << ",";
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}
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cmsys::SystemInformation info;
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Json::Value v;
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v["ph"] = "B";
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v["name"] = lff.LowerCaseName();
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v["cat"] = "cmake";
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v["ts"] = static_cast<Json::Value::UInt64>(
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std::chrono::duration_cast<std::chrono::microseconds>(
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std::chrono::steady_clock::now().time_since_epoch())
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.count());
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v["pid"] = static_cast<int>(info.GetProcessId());
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v["tid"] = 0;
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Json::Value argsValue;
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if (!lff.Arguments().empty()) {
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std::string args;
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for (auto const& a : lff.Arguments()) {
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args += (args.empty() ? "" : " ") + a.Value;
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}
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argsValue["functionArgs"] = args;
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}
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argsValue["location"] = lfc.FilePath + ":" + std::to_string(lfc.Line);
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v["args"] = argsValue;
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this->JsonWriter->write(v, &this->ProfileStream);
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} catch (std::ios_base::failure& fail) {
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cmSystemTools::Error(
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cmStrCat("Failed to write to profiling output: ", fail.what()));
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} catch (...) {
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cmSystemTools::Error("Error writing profiling output!");
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}
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}
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void cmMakefileProfilingData::StopEntry()
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{
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/* Do not try again if we previously failed to write to output. */
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if (!this->ProfileStream.good()) {
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return;
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}
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try {
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this->ProfileStream << ",";
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cmsys::SystemInformation info;
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Json::Value v;
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v["ph"] = "E";
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v["ts"] = static_cast<Json::Value::UInt64>(
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std::chrono::duration_cast<std::chrono::microseconds>(
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std::chrono::steady_clock::now().time_since_epoch())
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.count());
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v["pid"] = static_cast<int>(info.GetProcessId());
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v["tid"] = 0;
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this->JsonWriter->write(v, &this->ProfileStream);
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} catch (std::ios_base::failure& fail) {
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cmSystemTools::Error(
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cmStrCat("Failed to write to profiling output:", fail.what()));
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} catch (...) {
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cmSystemTools::Error("Error writing profiling output!");
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}
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}
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