From d151901049417aabe44e56a3511e742b86f63506 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=80=9A=E6=B4=B2?= <carter.li@eoitek.com>
Date: Wed, 14 Dec 2022 15:40:32 +0800
Subject: [PATCH] Common: improve resolution of `ffTimeGetTick`

---
 src/common/time.h | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/common/time.h b/src/common/time.h
index a765e7834..797461cbd 100644
--- a/src/common/time.h
+++ b/src/common/time.h
@@ -6,20 +6,23 @@
 #include <stdint.h>
 #ifdef _WIN32
     #include <synchapi.h>
-    #include <sysinfoapi.h>
+    #include <profileapi.h>
 #else
-    #include <sys/time.h>
     #include <time.h>
 #endif
 
 static inline uint64_t ffTimeGetTick() //In msec
 {
     #ifdef _WIN32
-        return GetTickCount64();
+        LARGE_INTEGER frequency;
+        QueryPerformanceFrequency(&frequency);
+        LARGE_INTEGER start;
+        QueryPerformanceCounter(&start);
+        return (uint64_t)(start.QuadPart * 1000 / frequency.QuadPart);
     #else
-        struct timeval timeNow;
-        gettimeofday(&timeNow, NULL);
-        return (uint64_t)((timeNow.tv_sec * 1000) + (timeNow.tv_usec / 1000));
+        struct timespec timeNow;
+        clock_gettime(CLOCK_MONOTONIC, &timeNow);
+        return (uint64_t)((timeNow.tv_sec * 1000) + (timeNow.tv_nsec / 1000000));
     #endif
 }