Jordan Delong
363d1bb20f
This change is mostly for FB internal organizational reasons. Building is not effected beyond the fact that the target now lands in hphp/hhvm/hhvm rather than src/hhvm/hhvm.
125 linhas
3.7 KiB
C++
125 linhas
3.7 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#include "timer.h"
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#include "logger.h"
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#include <util/trace.h>
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namespace HPHP {
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///////////////////////////////////////////////////////////////////////////////
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#define PRINT_MSG(...) \
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switch (m_report) { \
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case Log: \
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Logger::Info(__VA_ARGS__); \
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break; \
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case Stderr: \
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fprintf(stderr, __VA_ARGS__); \
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break; \
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case Trace: \
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Trace::traceRelease(__VA_ARGS__); \
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break; \
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default: not_reached(); \
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}
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Timer::Timer(Type type, const char *name /* = NULL */, ReportType r)
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: m_type(type), m_report(r) {
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if (name) {
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m_name = name;
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PRINT_MSG("%s...", name);
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}
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m_start = measure();
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}
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Timer::~Timer() {
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if (!m_name.empty()) {
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report();
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}
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}
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int64 Timer::getMicroSeconds() const {
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return measure() - m_start;
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}
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void Timer::report() const {
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int64 ms = getMicroSeconds();
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int seconds = ms / 1000000;
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PRINT_MSG("%s took %d'%02d\" (%lld us) %s", m_name.c_str(),
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seconds / 60, seconds % 60, ms, getName());
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}
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static int64 to_usec(const timeval& tv) {
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return (int64(tv.tv_sec) * 1000000) + tv.tv_usec;
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}
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int64 Timer::GetCurrentTimeMicros() {
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struct timeval tv;
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gettimeofday(&tv, 0);
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return to_usec(tv);
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}
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int64 Timer::measure() const {
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if (m_type == WallTime) {
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return GetCurrentTimeMicros();
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}
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struct rusage ru;
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memset(&ru, 0, sizeof(ru));
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getrusage(RUSAGE_SELF, &ru);
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switch (m_type) {
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case SystemCPU: return to_usec(ru.ru_stime);
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case UserCPU: return to_usec(ru.ru_utime);
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case TotalCPU: return to_usec(ru.ru_stime) + to_usec(ru.ru_utime);
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default: assert(false);
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}
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return 0;
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}
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const char *Timer::getName() const {
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switch (m_type) {
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case WallTime: return "wall time";
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case SystemCPU: return "system cpu";
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case UserCPU: return "user cpu";
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case TotalCPU: return "total cpu";
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default: assert(false);
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}
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return NULL;
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}
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///////////////////////////////////////////////////////////////////////////////
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SlowTimer::SlowTimer(int64 msThreshold, const char *location, const char *info)
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: m_timer(Timer::WallTime), m_msThreshold(msThreshold) {
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if (location) m_location = location;
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if (info) m_info = info;
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}
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SlowTimer::~SlowTimer() {
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int64 msec = getTime();
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if (msec >= m_msThreshold) {
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Logger::Error("SlowTimer [%dms] at %s: %s",
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msec, m_location.c_str(), m_info.c_str());
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}
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}
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int64 SlowTimer::getTime() const {
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return m_timer.getMicroSeconds() / 1000;
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}
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///////////////////////////////////////////////////////////////////////////////
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}
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