From 8f2e64ec05324e3ba5e10082eaf134bc2188972a Mon Sep 17 00:00:00 2001
From: Brendan Gregg <brendan.d.gregg@gmail.com>
Date: Thu, 17 Aug 2017 17:42:22 -0700
Subject: [PATCH] fix #140

---
 flamegraph.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/flamegraph.pl b/flamegraph.pl
index 261c5794..43ae8e3d 100755
--- a/flamegraph.pl
+++ b/flamegraph.pl
@@ -978,10 +978,11 @@ sub flow {
 		// Step through frames saving only the biggest bottom-up frames
 		// thanks to the sort order. This relies on the tree property
 		// where children are always smaller than their parents.
+		var fudge = 0.0001;	// JavaScript floating point
 		for (var k in keys) {
 			var x = parseFloat(keys[k]);
 			var w = matches[keys[k]];
-			if (x >= lastx + lastw) {
+			if (x >= lastx + lastw - fudge) {
 				count += w;
 				lastx = x;
 				lastw = w;