From 18dcb0934217628711c5b1d22fd6d7635e683e3f Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Tue, 25 Feb 2020 12:28:55 -0400
Subject: HostTiming: Pause the hardware clock on pause.

---
 src/common/x64/native_clock.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/common/x64/native_clock.cpp')

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)};
-- 
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