From 7f043025258a677f89d5d54130a42bfad0552abd Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Mon, 12 Nov 2007 10:47:01 +0000
Subject: [PATCH] implemented a -profilegameonly commandline option for profile
 builds on Linux/FreeBSD (others can be added if they have the moncontrol
 function)

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@7687 d7cf8633-e32d-0410-b094-e92efae38249
---
 cl_parse.c   |  2 ++
 host.c       |  3 +++
 sys.h        |  6 ++++++
 sys_shared.c | 11 +++++++++++
 4 files changed, 22 insertions(+)

diff --git a/cl_parse.c b/cl_parse.c
index 4061b81f..2a906d35 100644
--- a/cl_parse.c
+++ b/cl_parse.c
@@ -1380,6 +1380,8 @@ static void CL_SignonReply (void)
 
 	case 4:
 		Con_ClearNotify();
+		if (COM_CheckParm("-profilegameonly"))
+			Sys_AllowProfiling(true);
 		break;
 	}
 }
diff --git a/host.c b/host.c
index db4c9899..36fa7ac5 100644
--- a/host.c
+++ b/host.c
@@ -918,6 +918,9 @@ static void Host_Init (void)
 	int i;
 	const char* os;
 
+	if (COM_CheckParm("-profilegameonly"))
+		Sys_AllowProfiling(false);
+
 	// LordHavoc: quake never seeded the random number generator before... heh
 	if (COM_CheckParm("-benchmark"))
 		srand(0); // predictable random sequence for -benchmark
diff --git a/sys.h b/sys.h
index 42838e31..23f16b27 100644
--- a/sys.h
+++ b/sys.h
@@ -70,6 +70,12 @@ void Sys_PrintToTerminal(const char *text);
 void Sys_Shutdown (void); //INFO: This is only called by Host_Shutdown so we dont need testing for recursion
 void Sys_Quit (int returnvalue);
 
+// on some build/platform combinations (such as Linux gcc with the -pg
+// profiling option) this can turn on/off profiling, used primarily to limit
+// profiling to certain areas of the code, such as ingame performance without
+// regard for loading/shutdown performance (-profilegameonly on commandline)
+void Sys_AllowProfiling (qboolean enable);
+
 double Sys_DoubleTime (void);
 
 char *Sys_ConsoleInput (void);
diff --git a/sys_shared.c b/sys_shared.c
index 64ca6abf..e332f23b 100644
--- a/sys_shared.c
+++ b/sys_shared.c
@@ -18,11 +18,22 @@ char *Sys_TimeString(const char *timeformat)
 extern qboolean host_shuttingdown;
 void Sys_Quit (int returnvalue)
 {
+	if (COM_CheckParm("-profilegameonly"))
+		Sys_AllowProfiling(false);
 	host_shuttingdown = true;
 	Host_Shutdown();
 	exit(returnvalue);
 }
 
+void Sys_AllowProfiling(qboolean enable)
+{
+#if defined(__linux__) || defined(__FreeBSD__)
+int moncontrol(int);
+	moncontrol(enable);
+#endif
+}
+
+
 /*
 ===============================================================================
 
-- 
2.39.2