diff options
| author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2020-02-25 12:28:55 -0400 |
|---|---|---|
| committer | Fernando Sahmkow <fsahmkow27@gmail.com> | 2020-06-27 11:35:10 -0400 |
| commit | 18dcb0934217628711c5b1d22fd6d7635e683e3f (patch) | |
| tree | 426f78eb11aa79e0d1c7470b966fbae8ea8e3e6d /src/common/x64/native_clock.cpp | |
| parent | 6bf137a0e81fa3fae030687f10ac2c1e12d824ff (diff) | |
HostTiming: Pause the hardware clock on pause.
Diffstat (limited to 'src/common/x64/native_clock.cpp')
| -rw-r--r-- | src/common/x64/native_clock.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/common/x64/native_clock.cpp b/src/common/x64/native_clock.cpp index 26d4d0ba6..926f92ff8 100644 --- a/src/common/x64/native_clock.cpp +++ b/src/common/x64/native_clock.cpp @@ -65,6 +65,13 @@ u64 NativeClock::GetRTSC() { return accumulated_ticks; } +void NativeClock::Pause(bool is_paused) { + if (!is_paused) { + _mm_mfence(); + last_measure = __rdtsc(); + } +} + std::chrono::nanoseconds NativeClock::GetTimeNS() { const u64 rtsc_value = GetRTSC(); return std::chrono::nanoseconds{MultiplyAndDivide64(rtsc_value, 1000000000, rtsc_frequency)}; |