From 2cb4eb53feb9223db8db66c9f86d962cc7248f27 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sun, 9 Oct 2011 19:53:16 +0100
Subject: perf

---
 perf/cairo-perf-chart.c | 61 ++++++++++++++++++++++++++++++++++---------------
 1 file changed, 42 insertions(+), 19 deletions(-)

(limited to 'perf')

diff --git a/perf/cairo-perf-chart.c b/perf/cairo-perf-chart.c
index 70ff3538..0ecf8b47 100644
--- a/perf/cairo-perf-chart.c
+++ b/perf/cairo-perf-chart.c
@@ -54,7 +54,7 @@ struct color {
 };
 
 #define FONT_SIZE 12
-#define PAD (FONT_SIZE/2+1)
+#define PAD (4)
 
 #define MAX(a,b) ((a) > (b) ? (a) : (b))
 
@@ -108,13 +108,13 @@ trim_outliers (double *values,
     qsort (values, num_values,
 	   sizeof (double), _double_cmp);
 
-    q1		= values[1*num_values / 4];
-    q3		= values[3*num_values / 4];
+    q1		= values[1*num_values / 6];
+    q3		= values[5*num_values / 6];
 
     iqr = q3 - q1;
 
-    outlier_min = q1 - 1.5 * iqr;
-    outlier_max = q3 + 1.5 * iqr;
+    outlier_min = q1 - 3 * iqr;
+    outlier_max = q3 + 3 * iqr;
 
     i = 0;
     while (i < num_values && values[i] < outlier_min)
@@ -140,6 +140,8 @@ find_ranges (struct chart *chart)
     double test_time;
     int seen_non_null;
     int num_tests = 0;
+    double slow_sum = 0, fast_sum = 0, sum;
+    int slow_count = 0, fast_count = 0;
     int i;
 
     num_values = 0;
@@ -201,17 +203,25 @@ find_ranges (struct chart *chart)
 		    test_time = report_time;
 
 		if (chart->relative) {
-		    double v = to_factor (test_time / report_time);
-		    if (num_values == size_values) {
-			size_values *= 2;
-			values = xrealloc (values,
-					   size_values * sizeof (double));
+		    if (test_time != report_time) {
+			double v = to_factor (test_time / report_time);
+			if (num_values == size_values) {
+			    size_values *= 2;
+			    values = xrealloc (values,
+					       size_values * sizeof (double));
+			}
+			values[num_values++] = v;
+			if (v < min)
+			    min = v;
+			if (v > max)
+			    max = v;
+			if (v > 0)
+			    fast_sum += v/100, fast_count++;
+			else
+			    slow_sum += v/100, slow_count++;
+			sum += v/100;
+			printf ("%s %d: %f\n", min_test->name, num_values, v);
 		    }
-		    values[num_values++] = v;
-		    if (v < min)
-			min = v;
-		    if (v > max)
-			max = v;
 		} else {
 		    if (report_time < min)
 			min = report_time;
@@ -230,6 +240,9 @@ find_ranges (struct chart *chart)
 
     free (values);
     free (tests);
+
+    printf ("%d: slow[%d] average: %f, fast[%d] average: %f, %f\n",
+	    num_values, slow_count, slow_sum / slow_count, fast_count, fast_sum / fast_count, sum / num_values);
 }
 
 #define SET_COLOR(C, R, G, B) (C)->red = (R), (C)->green = (G), (C)->blue = (B)
@@ -390,19 +403,29 @@ add_label (struct chart *c,
 
     cairo_save (c->cr);
     dx = c->width / (double) c->num_tests;
-    if (dx / 2 - PAD < 6)
+    if (dx / 2 - PAD < 4)
 	return;
     cairo_set_font_size (c->cr, dx / 2 - PAD);
     cairo_text_extents (c->cr, label, &extents);
 
+    cairo_set_source_rgb (c->cr, .5, .5, .5);
+
     x = (test + .5) * dx;
-    cairo_translate (c->cr, x, PAD / 2);
+    cairo_save (c->cr);
+    cairo_translate (c->cr, x, c->height - PAD / 2);
     cairo_rotate (c->cr, -M_PI/2);
+    cairo_move_to (c->cr, 0, -extents.y_bearing/2);
+    cairo_show_text (c->cr, label);
+    cairo_restore (c->cr);
 
-    cairo_set_source_rgb (c->cr, .5, .5, .5);
+    cairo_save (c->cr);
+    cairo_translate (c->cr, x, PAD / 2);
+    cairo_rotate (c->cr, -M_PI/2);
     cairo_move_to (c->cr, -extents.width, -extents.y_bearing/2);
     cairo_show_text (c->cr, label);
     cairo_restore (c->cr);
+
+    cairo_restore (c->cr);
 }
 
 static void
@@ -840,7 +863,7 @@ main (int	  argc,
 	    chart.names[chart.num_reports] = argv[i] + 7;
 	} else {
 	    cairo_perf_report_load (&chart.reports[chart.num_reports++],
-				    argv[i],
+				    argv[i], i,
 				    test_report_cmp_name);
 	}
     }
-- 
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