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Measure peak RAM in benchmarks (#6995)

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Siarhei Fedartsou 2024-07-25 21:27:37 +02:00 committed by GitHub
parent 43afec3b39
commit 7802f86bd6
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GPG Key ID: B5690EEEBB952194
2 changed files with 21 additions and 5 deletions
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16
include/util/meminfo.hpp
View File

@ -2,6 +2,7 @@
#define MEMINFO_HPP
#include "util/log.hpp"
#include <cstddef>
#ifndef _WIN32
#include <sys/resource.h>
@ -10,18 +11,27 @@
namespace osrm::util
{
inline void DumpMemoryStats()
inline size_t PeakRAMUsedInBytes()
{
#ifndef _WIN32
rusage usage;
getrusage(RUSAGE_SELF, &usage);
#ifdef __linux__
// Under linux, ru.maxrss is in kb
util::Log() << "RAM: peak bytes used: " << usage.ru_maxrss * 1024;
return usage.ru_maxrss * 1024;
#else // __linux__
// Under BSD systems (OSX), it's in bytes
util::Log() << "RAM: peak bytes used: " << usage.ru_maxrss;
return usage.ru_maxrss;
#endif // __linux__
#else // _WIN32
return 0;
#endif // _WIN32
}
inline void DumpMemoryStats()
{
#ifndef _WIN32
util::Log() << "RAM: peak bytes used: " << PeakRAMUsedInBytes();
#else // _WIN32
util::Log() << "RAM: peak bytes used: <not implemented on Windows>";
#endif // _WIN32

8
src/benchmarks/bench.cpp
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@ -16,8 +16,8 @@
#include "osrm/osrm.hpp"
#include "osrm/status.hpp"
#include "util/meminfo.hpp"
#include <boost/assert.hpp>
#include <boost/optional/optional.hpp>
#include <cstdlib>
#include <exception>
@ -655,6 +655,12 @@ try
std::cerr << "Unknown benchmark: " << benchmarkToRun << std::endl;
return EXIT_FAILURE;
}
std::cout << "Peak RAM: " << std::setprecision(3)
<< static_cast<double>(osrm::util::PeakRAMUsedInBytes()) /
static_cast<double>((1024 * 1024))
<< "MB" << std::endl;
return EXIT_SUCCESS;
}
catch (const std::exception &e)