1 files changed, 138 insertions, 0 deletions
diff --git a/src/xine-utils/monitor.c b/src/xine-utils/monitor.c
new file mode 100644
index 000000000..9250ee2c4
--- /dev/null
+++ b/src/xine-utils/monitor.c
@@ -0,0 +1,138 @@
+/* 
+ * Copyright (C) 2000-2001 the xine project
+ * 
+ * This file is part of xine, a unix video player.
+ * 
+ * xine 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.
+ * 
+ * xine 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; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * $Id: monitor.c,v 1.1 2001/10/22 00:52:10 guenter Exp $
+ *
+ * debug print and profiling functions - implementation
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <sys/time.h>
+#include "utils.h"
+#include "monitor.h"
+
+#define MAX_ID 10
+
+#ifdef DEBUG
+
+long long int profiler_times[MAX_ID] ;
+long long int profiler_start[MAX_ID] ;
+long profiler_calls[MAX_ID] ;
+char * profiler_label[MAX_ID] ;
+
+void profiler_init () {
+  int i;
+  for (i=0; i<MAX_ID; i++) {
+    profiler_times[i] = 0;
+    profiler_start[i] = 0;
+    profiler_calls[i] = 0;
+    profiler_label[i] = NULL;
+  }
+}
+
+int profiler_allocate_slot (char *label) {
+  int id;
+
+  for (id = 0; id < MAX_ID && profiler_label[id] != NULL; id++)
+    ;
+
+  if (id >= MAX_ID)
+    return -1;
+
+  profiler_label[id] = label;
+  return id;
+}
+
+
+#ifdef ARCH_X86
+__inline__ unsigned long long int rdtsc()
+{
+  unsigned long long int x;
+  __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));     
+  return x;
+}
+#endif
+
+void profiler_start_count (int id) {
+
+  if ((unsigned)id >= MAX_ID) return;
+
+#ifdef ARCH_X86
+  profiler_start[id] = rdtsc();
+#endif
+}
+
+void profiler_stop_count (int id) {
+
+  if ((unsigned)id >= MAX_ID) return;
+
+#ifdef ARCH_X86
+  profiler_times[id] += rdtsc() - profiler_start[id];
+#endif
+  profiler_calls[id]++;
+}
+
+void profiler_print_results () {
+  int i;
+
+#ifdef ARCH_X86
+  static long long int cpu_speed;	/* cpu cyles/usec */
+  if (!cpu_speed) {
+    long long int tsc_start, tsc_end;
+    struct timeval tv_start, tv_end;
+
+    tsc_start = rdtsc();
+    gettimeofday(&tv_start, NULL);
+
+    xine_usec_sleep(100000);
+
+    tsc_end = rdtsc();
+    gettimeofday(&tv_end, NULL);
+
+    cpu_speed = (tsc_end - tsc_start) /
+	((tv_end.tv_sec - tv_start.tv_sec) * 1e6 +
+	 tv_end.tv_usec - tv_start.tv_usec);
+  }
+#endif
+
+  printf ("\n\nPerformance analysis:\n\n"
+	  "%-3s %-24.24s %12s %9s %12s %9s\n"
+	  "----------------------------------------------------------------------------\n",
+	  "ID", "name", "cpu cycles", "calls", "cycles/call", "usec/call");
+  for (i=0; i<MAX_ID; i++) {
+    if (profiler_label[i]) {
+      printf ("%2d: %-24.24s %12lld %9ld",
+	      i, profiler_label[i], profiler_times[i], profiler_calls[i]);
+      if (profiler_calls[i]) {
+	  printf(" %12lld", profiler_times[i] / profiler_calls[i]);
+#ifdef ARCH_X86
+	  printf(" %9lld", profiler_times[i] / (cpu_speed * profiler_calls[i]));
+#endif
+      }
+      printf ("\n");
+    }
+  }
+}
+
+#endif