Add placeholder value for GPU load.

We're not measuring GPU load yet, but it's helpful to print this as we
are starting to write the viewer program that will parse this data.

diff --git a/metrics.c b/metrics.c
index 0c61e0ebab1620e715b4dad64c825c86452dade5..e37618665d508cf67bd9614bae65665f229bccd0 100644 (file)
--- a/metrics.c
+++ b/metrics.c
@@ -829,7 +829,7 @@ metrics_end_frame_pre_swap (metrics_t *metrics)
 
        if (frames == 0) {
                /* Print header */
-               printf ("# frame: Frame_Number Frame_Time_milliseconds Frame_latency_milliseconds CPU_load\n");
+               printf ("# frame: Frame_Number Frame_Time_milliseconds Frame_latency_milliseconds CPU_load GPU_load\n");
        } else {
                /* Subtract previous frame's times to get frame times. */
                frame_time_ns = swap_end_timestamp - metrics->previous_swap_end_timestamp;
@@ -841,11 +841,12 @@ metrics_end_frame_pre_swap (metrics_t *metrics)
                /* We've waited one frame to ensure we have a timestamp
                 * result. So the time we've actually measured here is
                 * for the previous frame. */
-               printf ("frame: %d %g %g %g\n",
+               printf ("frame: %d %g %g %g %g\n",
                        frames - 1,
                        (double) frame_time_ns / 1e6,
                        (double) latency_ns / 1e6,
-                       cpu_time / (frame_time_ns / 1e9));
+                       cpu_time / (frame_time_ns / 1e9),
+                       0.0);
        }
 
        metrics->previous_swap_end_timestamp = swap_end_timestamp;