From 18dcb0934217628711c5b1d22fd6d7635e683e3f Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Tue, 25 Feb 2020 12:28:55 -0400 Subject: HostTiming: Pause the hardware clock on pause. --- src/common/x64/native_clock.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/common/x64/native_clock.h') diff --git a/src/common/x64/native_clock.h b/src/common/x64/native_clock.h index b58cf9f5a..3851f8fc2 100644 --- a/src/common/x64/native_clock.h +++ b/src/common/x64/native_clock.h @@ -26,6 +26,8 @@ public: u64 GetCPUCycles() override; + void Pause(bool is_paused) override; + private: u64 GetRTSC(); -- cgit v1.2.3 From 534466754f381e90f5f6475a0c02031242a5c256 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Sat, 21 Mar 2020 12:23:13 -0400 Subject: X64 Clock: Reduce accuracy to be less or equal to guest accuracy. --- src/common/x64/native_clock.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/common/x64/native_clock.h') diff --git a/src/common/x64/native_clock.h b/src/common/x64/native_clock.h index 3851f8fc2..e853094d2 100644 --- a/src/common/x64/native_clock.h +++ b/src/common/x64/native_clock.h @@ -31,6 +31,11 @@ public: private: u64 GetRTSC(); + /// value used to reduce the native clocks accuracy as some apss rely on + /// undefined behavior where the level of accuracy in the clock shouldn't + /// be higher. + static constexpr u64 inaccuracy_mask = ~(0x100 - 1); + SpinLock rtsc_serialize{}; u64 last_measure{}; u64 accumulated_ticks{}; -- cgit v1.2.3 From 31651523968312433ebd267a74e86689107a7023 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Mon, 18 May 2020 13:08:53 -0400 Subject: Common/NativeClockx86: Reduce native clock accuracy further. --- src/common/x64/native_clock.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/common/x64/native_clock.h') diff --git a/src/common/x64/native_clock.h b/src/common/x64/native_clock.h index e853094d2..891a3bbfd 100644 --- a/src/common/x64/native_clock.h +++ b/src/common/x64/native_clock.h @@ -34,7 +34,7 @@ private: /// value used to reduce the native clocks accuracy as some apss rely on /// undefined behavior where the level of accuracy in the clock shouldn't /// be higher. - static constexpr u64 inaccuracy_mask = ~(0x100 - 1); + static constexpr u64 inaccuracy_mask = ~(0x400 - 1); SpinLock rtsc_serialize{}; u64 last_measure{}; -- cgit v1.2.3