From c0c9832713f5a29d1f02b661e89faf98e9d2a4b7 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Thu, 13 Aug 2020 01:40:18 +0200
Subject: [PATCH] Implement TSC conversion and caps checking in ring buffer.

---
 client/TracyRingBuffer.hpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/client/TracyRingBuffer.hpp b/client/TracyRingBuffer.hpp
index c1415485..f9bd8763 100644
--- a/client/TracyRingBuffer.hpp
+++ b/client/TracyRingBuffer.hpp
@@ -81,6 +81,20 @@ public:
         StoreTail( m_metadata->data_tail + cnt );
     }
 
+    bool CheckTscCaps() const
+    {
+        return m_metadata->cap_user_time_zero;
+    }
+
+    int64_t ConvertTimeToTsc( int64_t timestamp ) const
+    {
+        assert( m_metadata->cap_user_time_zero );
+        const auto time = timestamp - m_metadata->time_zero;
+        const auto quot = time / m_metadata->time_mult;
+        const auto rem = time % m_metadata->time_mult;
+        return ( quot << m_metadata->time_shift ) + ( rem << m_metadata->time_shift ) / m_metadata->time_mult;
+    }
+
 private:
     uint64_t LoadHead() const
     {