From fc5607f86209b0a0ddec1b0a3816f7977e15f516 Mon Sep 17 00:00:00 2001
From: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Date: Mon, 22 Feb 2010 22:21:58 +0000
Subject: Make -benchmark also print the maximum memory usage if possible.

Originally committed as revision 21973 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 ffmpeg.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

(limited to 'ffmpeg.c')

diff --git a/ffmpeg.c b/ffmpeg.c
index cb53bfc715..654e7e666a 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -44,10 +44,15 @@
 
 #if HAVE_SYS_RESOURCE_H
 #include <sys/types.h>
+#include <sys/time.h>
 #include <sys/resource.h>
 #elif HAVE_GETPROCESSTIMES
 #include <windows.h>
 #endif
+#if HAVE_GETPROCESSMEMORYINFO
+#include <windows.h>
+#include <psapi.h>
+#endif
 
 #if HAVE_SYS_SELECT_H
 #include <sys/select.h>
@@ -3535,6 +3540,24 @@ static int64_t getutime(void)
 #endif
 }
 
+static int64_t getmaxrss(void)
+{
+#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
+    struct rusage rusage;
+    getrusage(RUSAGE_SELF, &rusage);
+    return (int64_t)rusage.ru_maxrss * 1024;
+#elif HAVE_GETPROCESSMEMORYINFO
+    HANDLE proc;
+    PROCESS_MEMORY_COUNTERS memcounters;
+    proc = GetCurrentProcess();
+    memcounters.cb = sizeof(memcounters);
+    GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
+    return memcounters.PeakPagefileUsage;
+#else
+    return 0;
+#endif
+}
+
 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
 {
     int i;
@@ -4029,7 +4052,8 @@ int main(int argc, char **argv)
         av_exit(1);
     ti = getutime() - ti;
     if (do_benchmark) {
-        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
+        int maxrss = getmaxrss() / 1024;
+        printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
     }
 
     return av_exit(0);
-- 
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