fips: Add a -v/--verbose flag.

[fips] / metrics.c

diff --git a/metrics.c b/metrics.c
index 84fc23f6b20b02a2a15ece51ee9b63447d4e5466..39ed5bacf2f9733010b5564893e76b9f7b0be1a1 100644 (file)
--- a/metrics.c
+++ b/metrics.c
@@ -57,6 +57,9 @@ typedef struct context
 
 context_t current_context;
 
+int frames;
+int verbose;
+
 unsigned
 metrics_counter_new (void)
 {
@@ -137,19 +140,31 @@ print_program_metrics (void)
        }
 }
 
+/* Called at program exit */
+static void
+metrics_exit (void)
+{
+       if (verbose)
+               printf ("fips: terminating\n");
+}
+
+
 void
 metrics_end_frame (void)
 {
        static int initialized = 0;
-       static int frames;
        static struct timeval tv_start, tv_now;
 
        if (! initialized) {
-               frames = 0;
                gettimeofday (&tv_start, NULL);
+               atexit (metrics_exit);
+               if (getenv ("FIPS_VERBOSE"))
+                       verbose = 1;
                initialized = 1;
        }
 
+       if (verbose)
+               printf ("fips: frame %d complete\n", frames);
 
        frames++;
        gettimeofday (&tv_now, NULL);