rtree-c-profile.svg

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg version="1.1" width="1200" height="678" onload="init(evt)" viewBox="0 0 1200 678" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<!-- Flame graph stack visualization. See https://github.com/brendangregg/FlameGraph for latest version, and http://www.brendangregg.com/flamegraphs.html for examples. -->
<!-- NOTES:  -->
<defs >
	<linearGradient id="background" y1="0" y2="1" x1="0" x2="0" >
		<stop stop-color="#eeeeee" offset="5%" />
		<stop stop-color="#eeeeb0" offset="95%" />
	</linearGradient>
</defs>
<style type="text/css">
	.func_g:hover { stroke:black; stroke-width:0.5; cursor:pointer; }
</style>
<script type="text/ecmascript">
<![CDATA[
	var details, searchbtn, matchedtxt, svg;
	function init(evt) {
		details = document.getElementById("details").firstChild;
		searchbtn = document.getElementById("search");
		matchedtxt = document.getElementById("matched");
		svg = document.getElementsByTagName("svg")[0];
		searching = 0;
	}

	// mouse-over for info
	function s(node) {		// show
		info = g_to_text(node);
		details.nodeValue = "Function: " + info;
	}
	function c() {			// clear
		details.nodeValue = ' ';
	}

	// ctrl-F for search
	window.addEventListener("keydown",function (e) {
		if (e.keyCode === 114 || (e.ctrlKey && e.keyCode === 70)) {
			e.preventDefault();
			search_prompt();
		}
	})

	// functions
	function find_child(parent, name, attr) {
		var children = parent.childNodes;
		for (var i=0; i<children.length;i++) {
			if (children[i].tagName == name)
				return (attr != undefined) ? children[i].attributes[attr].value : children[i];
		}
		return;
	}
	function orig_save(e, attr, val) {
		if (e.attributes["_orig_"+attr] != undefined) return;
		if (e.attributes[attr] == undefined) return;
		if (val == undefined) val = e.attributes[attr].value;
		e.setAttribute("_orig_"+attr, val);
	}
	function orig_load(e, attr) {
		if (e.attributes["_orig_"+attr] == undefined) return;
		e.attributes[attr].value = e.attributes["_orig_"+attr].value;
		e.removeAttribute("_orig_"+attr);
	}
	function g_to_text(e) {
		var text = find_child(e, "title").firstChild.nodeValue;
		return (text)
	}
	function g_to_func(e) {
		var func = g_to_text(e);
		// if there's any manipulation we want to do to the function
		// name before it's searched, do it here before returning.
		return (func);
	}
	function update_text(e) {
		var r = find_child(e, "rect");
		var t = find_child(e, "text");
		var w = parseFloat(r.attributes["width"].value) -3;
		var txt = find_child(e, "title").textContent.replace(/\([^(]*\)$/,"");
		t.attributes["x"].value = parseFloat(r.attributes["x"].value) +3;

		// Smaller than this size won't fit anything
		if (w < 2*12*0.59) {
			t.textContent = "";
			return;
		}

		t.textContent = txt;
		// Fit in full text width
		if (/^ *$/.test(txt) || t.getSubStringLength(0, txt.length) < w)
			return;

		for (var x=txt.length-2; x>0; x--) {
			if (t.getSubStringLength(0, x+2) <= w) {
				t.textContent = txt.substring(0,x) + "..";
				return;
			}
		}
		t.textContent = "";
	}

	// zoom
	function zoom_reset(e) {
		if (e.attributes != undefined) {
			orig_load(e, "x");
			orig_load(e, "width");
		}
		if (e.childNodes == undefined) return;
		for(var i=0, c=e.childNodes; i<c.length; i++) {
			zoom_reset(c[i]);
		}
	}
	function zoom_child(e, x, ratio) {
		if (e.attributes != undefined) {
			if (e.attributes["x"] != undefined) {
				orig_save(e, "x");
				e.attributes["x"].value = (parseFloat(e.attributes["x"].value) - x - 10) * ratio + 10;
				if(e.tagName == "text") e.attributes["x"].value = find_child(e.parentNode, "rect", "x") + 3;
			}
			if (e.attributes["width"] != undefined) {
				orig_save(e, "width");
				e.attributes["width"].value = parseFloat(e.attributes["width"].value) * ratio;
			}
		}

		if (e.childNodes == undefined) return;
		for(var i=0, c=e.childNodes; i<c.length; i++) {
			zoom_child(c[i], x-10, ratio);
		}
	}
	function zoom_parent(e) {
		if (e.attributes) {
			if (e.attributes["x"] != undefined) {
				orig_save(e, "x");
				e.attributes["x"].value = 10;
			}
			if (e.attributes["width"] != undefined) {
				orig_save(e, "width");
				e.attributes["width"].value = parseInt(svg.width.baseVal.value) - (10*2);
			}
		}
		if (e.childNodes == undefined) return;
		for(var i=0, c=e.childNodes; i<c.length; i++) {
			zoom_parent(c[i]);
		}
	}
	function zoom(node) {
		var attr = find_child(node, "rect").attributes;
		var width = parseFloat(attr["width"].value);
		var xmin = parseFloat(attr["x"].value);
		var xmax = parseFloat(xmin + width);
		var ymin = parseFloat(attr["y"].value);
		var ratio = (svg.width.baseVal.value - 2*10) / width;

		// XXX: Workaround for JavaScript float issues (fix me)
		var fudge = 0.0001;

		var unzoombtn = document.getElementById("unzoom");
		unzoombtn.style["opacity"] = "1.0";

		var el = document.getElementsByTagName("g");
		for(var i=0;i<el.length;i++){
			var e = el[i];
			var a = find_child(e, "rect").attributes;
			var ex = parseFloat(a["x"].value);
			var ew = parseFloat(a["width"].value);
			// Is it an ancestor
			if (0 == 0) {
				var upstack = parseFloat(a["y"].value) > ymin;
			} else {
				var upstack = parseFloat(a["y"].value) < ymin;
			}
			if (upstack) {
				// Direct ancestor
				if (ex <= xmin && (ex+ew+fudge) >= xmax) {
					e.style["opacity"] = "0.5";
					zoom_parent(e);
					e.onclick = function(e){unzoom(); zoom(this);};
					update_text(e);
				}
				// not in current path
				else
					e.style["display"] = "none";
			}
			// Children maybe
			else {
				// no common path
				if (ex < xmin || ex + fudge >= xmax) {
					e.style["display"] = "none";
				}
				else {
					zoom_child(e, xmin, ratio);
					e.onclick = function(e){zoom(this);};
					update_text(e);
				}
			}
		}
	}
	function unzoom() {
		var unzoombtn = document.getElementById("unzoom");
		unzoombtn.style["opacity"] = "0.0";