From 94310eecfad857163890e6160d582b868053cfcd Mon Sep 17 00:00:00 2001
From: Jonathan Moore Liles <j.liles@unix.net>
Date: Sun, 17 Jan 2010 18:58:57 -0600
Subject: [PATCH] Add some profiling output for project loading.

---
 Timeline/Engine/Audio_File.C |  2 ++
 Timeline/Project.C           |  9 ++++--
 util/Block_Timer.H           | 59 ++++++++++++++++++++++++++++++++++++
 3 files changed, 68 insertions(+), 2 deletions(-)
 create mode 100644 util/Block_Timer.H

diff --git a/Timeline/Engine/Audio_File.C b/Timeline/Engine/Audio_File.C
index 08731a1..4013e88 100644
--- a/Timeline/Engine/Audio_File.C
+++ b/Timeline/Engine/Audio_File.C
@@ -23,6 +23,7 @@
 
 #include "const.h"
 #include "util/debug.h"
+#include "util/Block_Timer.H"
 
 #include <string.h>
 
@@ -88,6 +89,7 @@ Audio_File::filename ( void ) const
 Audio_File *
 Audio_File::from_file ( const char * filename )
 {
+    Block_Timer timer( "Opened audio file" );
 
     Audio_File *a;
 
diff --git a/Timeline/Project.C b/Timeline/Project.C
index 3bd0851..d2f5b7c 100644
--- a/Timeline/Project.C
+++ b/Timeline/Project.C
@@ -42,6 +42,7 @@
 #include "const.h"
 #include "util/debug.h"
 #include "util/file.h"
+#include "util/Block_Timer.H"
 
 extern TLE *tle;
 
@@ -254,8 +255,11 @@ Project::open ( const char *name )
     if ( version != PROJECT_VERSION )
         return E_VERSION;
 
-    if ( ! Loggable::open( "history" ) )
-        return E_INVALID;
+    {
+        Block_Timer timer( "Replayed journal" );
+        if ( ! Loggable::open( "history" ) )
+            return E_INVALID;
+    }
 
     timeline->sample_rate( rate );
 
@@ -332,5 +336,6 @@ Project::create ( const char *name, const char *template_name )
 void
 Project::compact ( void )
 {
+    Block_Timer timer( "Compacted journal" );
     Loggable::compact();
 }
diff --git a/util/Block_Timer.H b/util/Block_Timer.H
new file mode 100644
index 0000000..006ce02
--- /dev/null
+++ b/util/Block_Timer.H
@@ -0,0 +1,59 @@
+
+/*******************************************************************************/
+/* Copyright (C) 2010 Jonathan Moore Liles                                     */
+/*                                                                             */
+/* This program is free software; you can redistribute it and/or modify it     */
+/* under the terms of the GNU General Public License as published by the       */
+/* Free Software Foundation; either version 2 of the License, or (at your      */
+/* option) any later version.                                                  */
+/*                                                                             */
+/* This program is distributed in the hope that it will be useful, but WITHOUT */
+/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or       */
+/* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for   */
+/* more details.                                                               */
+/*                                                                             */
+/* You should have received a copy of the GNU General Public License along     */
+/* with This program; see the file COPYING.  If not,write to the Free Software */
+/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+/*******************************************************************************/
+
+#pragma once
+#include <stdio.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+
+class Block_Timer
+{
+
+    unsigned long long ts;
+    const char *prefix;
+
+    unsigned long long tv_to_ts ( timeval *tv )
+        {
+            return tv->tv_sec * 1e6 + tv->tv_usec;
+        }
+
+public:
+
+    Block_Timer ( const char *prefix )
+        {
+            this->prefix = prefix;
+
+            timeval tv;
+
+            gettimeofday( &tv, NULL );
+
+            ts = tv_to_ts( &tv );
+        }
+
+    ~Block_Timer ( )
+        {
+            timeval tv;
+
+            gettimeofday( &tv, NULL );
+
+            fprintf( stderr, "[%Lfms] %s\n", ((long double)tv_to_ts( &tv ) - ts ) / 1000, prefix );
+        }
+};