X-Git-Url: http://rtime.felk.cvut.cz/gitweb/can-benchmark.git/blobdiff_plain/0050e301dae44fac57f8b30a22f07ec870618c2d..869acdaf3491ca1072f6284a260e6e648af2c271:/latester/histogram.h

diff --git a/latester/histogram.h b/latester/histogram.h
index b4546e4..52dc664 100644
--- a/latester/histogram.h
+++ b/latester/histogram.h
@@ -3,6 +3,7 @@
 
 struct histogram {
 	unsigned *data;
+	unsigned out_below, out_above;
 	unsigned allocated;
 	unsigned resolution;
 };
@@ -14,6 +15,7 @@ int histogram_init(struct histogram *h,
 	size_t mem;
 	h->allocated = max_value/resolution + 1;
 	h->resolution = resolution;
+	h->out_below = h->out_above = 0;
 	mem = h->allocated*sizeof(*h->data);
 	h->data = malloc(mem);
 	if (h->data) {
@@ -25,10 +27,15 @@ int histogram_init(struct histogram *h,
 
 void histogram_add(struct histogram *h, int value)
 {
-	if (value < 0) value = 0;
+	if (value < 0) {
+		h->out_below++;
+		return;
+	}
 	unsigned index = value / h->resolution;
-	if (index >= h->allocated)
+	if (index >= h->allocated) {
+		h->out_above++;
 		index = h->allocated - 1;
+	}
 	h->data[index]++;
 }
 
@@ -56,6 +63,7 @@ struct histogram_stats {
 	unsigned count;
 	unsigned long long sum;
 	unsigned avg;
+	unsigned below, above; 	/* Count of data out of histogram range */
 	unsigned percentile[101];
 };
 
@@ -87,6 +95,9 @@ void histogram_stats(struct histogram *h, struct histogram_stats *s)
 	while (sum < i * s->count / 100)
 		sum += h->data[j++];
 	s->percentile[100] = (j-1) * h->resolution;
+
+	s->below = h->out_below;
+	s->above = h->out_above;
 }
 
 #endif