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| author | Morph <39850852+Morph1984@users.noreply.github.com> | 2023-03-04 21:44:31 -0500 |
|---|---|---|
| committer | Morph <39850852+Morph1984@users.noreply.github.com> | 2023-03-07 21:17:46 -0500 |
| commit | dcd13a7566340e80c042da7f626f9747ac71b8a7 (patch) | |
| tree | 599ff3c744fc4dc0c8eef4bb986cf034ce93977c /src/common/x64/native_clock.h | |
| parent | a7792e5ff83523142230951ac7eacbd7685dc40b (diff) | |
native_clock: Re-adjust the RDTSC frequency
The RDTSC frequency reported by CPUID is not accurate to its true frequency.
We will spawn a separate thread to calculate the true RDTSC frequency after a measurement period of 30 seconds has elapsed.
Diffstat (limited to 'src/common/x64/native_clock.h')
| -rw-r--r-- | src/common/x64/native_clock.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/common/x64/native_clock.h b/src/common/x64/native_clock.h index 38ae7a462..03ca291d8 100644 --- a/src/common/x64/native_clock.h +++ b/src/common/x64/native_clock.h @@ -3,6 +3,7 @@ #pragma once +#include "common/polyfill_thread.h" #include "common/wall_clock.h" namespace Common { @@ -28,6 +29,8 @@ public: private: u64 GetRTSC(); + void CalculateAndSetFactors(); + union alignas(16) TimePoint { TimePoint() : pack{} {} u128 pack{}; @@ -47,6 +50,8 @@ private: u64 ms_rtsc_factor{}; u64 rtsc_frequency; + + std::jthread time_sync_thread; }; } // namespace X64 |