46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2017 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/base/clock.h"
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#include <sys/time.h>
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#include <time.h>
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namespace xe {
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uint64_t Clock::host_tick_frequency() {
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timespec res;
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clock_getres(CLOCK_MONOTONIC_RAW, &res);
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return uint64_t(res.tv_sec) + uint64_t(res.tv_nsec) * 1000000000ull;
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}
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uint64_t Clock::QueryHostTickCount() {
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timespec res;
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clock_gettime(CLOCK_MONOTONIC_RAW, &res);
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return uint64_t(res.tv_sec) + uint64_t(res.tv_nsec) * 1000000000ull;
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}
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uint64_t Clock::QueryHostSystemTime() {
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struct timeval tv;
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gettimeofday(&tv, NULL);
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uint64_t ret = tv.tv_usec;
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ret /= 1000; // usec -> msec
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ret += (tv.tv_sec * 1000); // sec -> msec
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return ret;
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}
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uint32_t Clock::QueryHostUptimeMillis() {
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return uint32_t(QueryHostTickCount() / (host_tick_frequency() / 1000));
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}
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} // namespace xe
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