blob: 65606ccd93d14f7bfa50d900c3e6a7a3a52b0c26 [file] [log] [blame]
#include <chrono>
#include <string>
namespace benchmark {
// Return the CPU usage of the current process
double ProcessCPUUsage();
// Return the CPU usage of the children of the current process
double ChildrenCPUUsage();
// Return the CPU usage of the current thread
double ThreadCPUUsage();
#if defined(HAVE_STEADY_CLOCK)
template <bool HighResIsSteady = std::chrono::high_resolution_clock::is_steady>
struct ChooseSteadyClock {
typedef std::chrono::high_resolution_clock type;
template <>
struct ChooseSteadyClock<false> {
typedef std::chrono::steady_clock type;
struct ChooseClockType {
#if defined(HAVE_STEADY_CLOCK)
typedef ChooseSteadyClock<>::type type;
typedef std::chrono::high_resolution_clock type;
inline double ChronoClockNow() {
typedef ChooseClockType::type ClockType;
using FpSeconds = std::chrono::duration<double, std::chrono::seconds::period>;
return FpSeconds(ClockType::now().time_since_epoch()).count();
std::string LocalDateTimeString();
} // end namespace benchmark