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general: Replace high_resolution_clock with steady_clock

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On some OSes, high_resolution_clock is an alias to system_clock and is not monotonic in nature. Replace this with steady_clock.
This commit is contained in:
Morph 2021-12-02 14:20:43 -05:00
parent 8a613f6c8f
commit 762b8ad448
7 changed files with 13 additions and 13 deletions
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6
src/common/x64/native_clock.cpp
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@ -19,16 +19,16 @@ u64 EstimateRDTSCFrequency() {
// get current time
_mm_mfence();
const u64 tscStart = __rdtsc();
const auto startTime = std::chrono::high_resolution_clock::now();
const auto startTime = std::chrono::steady_clock::now();
// wait roughly 3 seconds
while (true) {
auto milli = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::high_resolution_clock::now() - startTime);
std::chrono::steady_clock::now() - startTime);
if (milli.count() >= 3000)
break;
std::this_thread::sleep_for(milli_10);
}
const auto endTime = std::chrono::high_resolution_clock::now();
const auto endTime = std::chrono::steady_clock::now();
_mm_mfence();
const u64 tscEnd = __rdtsc();
// calculate difference