From b450899a5ce4494ec395340496a6f317e640f99c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jfonseca@vmware.com>
Date: Wed, 29 Jul 2009 12:39:55 +0100
Subject: [PATCH] Time call durations.

---
 log.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/log.cpp b/log.cpp
index 97f2271..433368f 100644
--- a/log.cpp
+++ b/log.cpp
@@ -228,14 +228,34 @@ void TextF(const char *format, ...) {
     Text(szBuffer);
 }
 
+static LARGE_INTEGER frequency = {0};
+static LARGE_INTEGER startcounter;
+
 void BeginCall(const char *function) {
     EnterCriticalSection(&CriticalSection); 
     Indent(1);
     BeginTag("call", "name", function);
     NewLine();
+
+    if(!frequency.QuadPart)
+	QueryPerformanceFrequency(&frequency);
+    
+    QueryPerformanceCounter(&startcounter);
 }
 
 void EndCall(void) {
+    LARGE_INTEGER endcounter;
+    LONGLONG usecs;
+
+    QueryPerformanceCounter(&endcounter);
+    usecs = (endcounter.QuadPart - startcounter.QuadPart)*1000000/frequency.QuadPart;
+
+    Indent(2);
+    BeginTag("duration");
+    TextF("%llu", usecs);
+    EndTag("duration");
+    NewLine();
+
     Indent(1);
     EndTag("call");
     NewLine();
-- 
2.45.2