77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
#include "pfc.h"
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namespace pfc {
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#ifdef PFC_HAVE_PROFILER
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profiler_static::profiler_static(const char * p_name)
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{
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name = p_name;
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total_time = 0;
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num_called = 0;
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}
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profiler_static::~profiler_static()
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{
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try {
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pfc::string_fixed_t<511> message;
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message << "profiler: " << pfc::format_pad_left<pfc::string_fixed_t<127> >(48,' ',name) << " - " <<
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pfc::format_pad_right<pfc::string_fixed_t<128> >(16,' ',pfc::format_uint(total_time) ) << " cycles";
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if (num_called > 0) {
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message << " (executed " << num_called << " times, " << (total_time / num_called) << " average)";
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}
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message << "\n";
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OutputDebugStringA(message);
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} catch(...) {
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//should never happen
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OutputDebugString(_T("unexpected profiler failure\n"));
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}
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}
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#endif
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#ifndef _WIN32
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void hires_timer::start() {
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m_start = nixGetTime();
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}
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double hires_timer::query() const {
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return nixGetTime() - m_start;
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}
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double hires_timer::query_reset() {
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double t = nixGetTime();
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double r = t - m_start;
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m_start = t;
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return r;
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}
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pfc::string8 hires_timer::queryString(unsigned precision) const {
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return format_time_ex( query(), precision ).get_ptr();
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}
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#endif
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uint64_t fileTimeWtoU(uint64_t ft) {
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return (ft - 116444736000000000 + /*rounding*/10000000/2) / 10000000;
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}
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uint64_t fileTimeUtoW(uint64_t ft) {
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return (ft * 10000000) + 116444736000000000;
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}
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#ifndef _WIN32
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uint64_t fileTimeUtoW(const timespec & ts) {
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uint64_t ft = (uint64_t)ts.tv_sec * 10000000 + (uint64_t)ts.tv_nsec / 100;
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return ft + 116444736000000000;
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}
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#endif
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uint64_t fileTimeNow() {
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#ifdef _WIN32
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uint64_t ret;
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GetSystemTimeAsFileTime((FILETIME*)&ret);
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return ret;
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#else
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return fileTimeUtoW(time(NULL));
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#endif
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}
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}
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