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<?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= "886" onload= "init(evt)" viewBox= "0 0 1200 886" xmlns= "http://www.w3.org/2000/svg" xmlns:xlink= "http://www.w3.org/1999/xlink" xmlns:fg= "http://github.com/jonhoo/inferno" > <!-- 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" >
text { font-family:"Verdana"; font-size:12px; fill:rgb(0,0,0); }
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#title { text-anchor:middle; font-size:17px; }
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#search { opacity:0.1; cursor:pointer; }
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#search:hover, #search.show { opacity:1; }
#subtitle { text-anchor:middle; font-color:rgb(160,160,160); }
#unzoom { cursor:pointer; }
#frames > *:hover { stroke:black; stroke-width:0.5; cursor:pointer; }
.hide { display:none; }
.parent { opacity:0.5; }
</style> <script type= "text/ecmascript" > < ![CDATA[
var nametype = 'Function:';
var fontsize = 12;
var fontwidth = 0.59;
var xpad = 10;
var inverted = false;
var searchcolor = 'rgb(230,0,230)';
var fluiddrawing = true;
var truncate_text_right = false;
]]>< ![CDATA["use strict";
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var details, searchbtn, unzoombtn, matchedtxt, svg, searching, frames;
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function init(evt) {
details = document.getElementById("details").firstChild;
searchbtn = document.getElementById("search");
unzoombtn = document.getElementById("unzoom");
matchedtxt = document.getElementById("matched");
svg = document.getElementsByTagName("svg")[0];
frames = document.getElementById("frames");
total_samples = parseInt(frames.attributes.total_samples.value);
searching = 0;
// Use GET parameters to restore a flamegraph's state.
var restore_state = function() {
var params = get_params();
if (params.x & & params.y)
zoom(find_group(document.querySelector('[*|x="' + params.x + '"][y="' + params.y + '"]')));
if (params.s)
search(params.s);
};
if (fluiddrawing) {
// Make width dynamic so the SVG fits its parent's width.
svg.removeAttribute("width");
// Edge requires us to have a viewBox that gets updated with size changes.
var isEdge = /Edge\/\d./i.test(navigator.userAgent);
var update_for_width_change = function() {
if (isEdge) {
svg.attributes.viewBox.value = "0 0 " + svg.width.baseVal.value + " " + svg.height.baseVal.value;
}
// Keep consistent padding on left and right of frames container.
frames.attributes.width.value = svg.width.baseVal.value - xpad * 2;
// Text truncation needs to be adjusted for the current width.
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var el = frames.children;
for(var i = 0; i < el.length ; i + + ) {
update_text(el[i]);
}
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// Keep search elements at a fixed distance from right edge.
var svgWidth = svg.width.baseVal.value;
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searchbtn.attributes.x.value = svgWidth - xpad - 100;
matchedtxt.attributes.x.value = svgWidth - xpad - 100;
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};
window.addEventListener('resize', function() {
update_for_width_change();
});
// This needs to be done asynchronously for Safari to work.
setTimeout(function() {
unzoom();
update_for_width_change();
restore_state();
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if (!isEdge) {
svg.removeAttribute("viewBox");
}
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}, 0);
} else {
restore_state();
}
}
// event listeners
window.addEventListener("click", function(e) {
var target = find_group(e.target);
if (target) {
if (target.nodeName == "a") {
if (e.ctrlKey === false) return;
e.preventDefault();
}
if (target.classList.contains("parent")) unzoom();
zoom(target);
// set parameters for zoom state
var el = target.querySelector("rect");
if (el & & el.attributes & & el.attributes.y & & el.attributes["fg:x"]) {
var params = get_params()
params.x = el.attributes["fg:x"].value;
params.y = el.attributes.y.value;
history.replaceState(null, null, parse_params(params));
}
}
else if (e.target.id == "unzoom") {
unzoom();
// remove zoom state
var params = get_params();
if (params.x) delete params.x;
if (params.y) delete params.y;
history.replaceState(null, null, parse_params(params));
}
else if (e.target.id == "search") search_prompt();
}, false)
// mouse-over for info
// show
window.addEventListener("mouseover", function(e) {
var target = find_group(e.target);
if (target) details.nodeValue = nametype + " " + g_to_text(target);
}, false)
// clear
window.addEventListener("mouseout", function(e) {
var target = find_group(e.target);
if (target) details.nodeValue = ' ';
}, false)
// ctrl-F for search
window.addEventListener("keydown",function (e) {
if (e.keyCode === 114 || (e.ctrlKey & & e.keyCode === 70)) {
e.preventDefault();
search_prompt();
}
}, false)
// functions
function get_params() {
var params = {};
var paramsarr = window.location.search.substr(1).split('&');
for (var i = 0; i < paramsarr.length ; + + i ) {
var tmp = paramsarr[i].split("=");
if (!tmp[0] || !tmp[1]) continue;
params[tmp[0]] = decodeURIComponent(tmp[1]);
}
return params;
}
function parse_params(params) {
var uri = "?";
for (var key in params) {
uri += key + '=' + encodeURIComponent(params[key]) + '&';
}
if (uri.slice(-1) == "& ")
uri = uri.substring(0, uri.length - 1);
if (uri == '?')
uri = window.location.href.split('?')[0];
return uri;
}
function find_child(node, selector) {
var children = node.querySelectorAll(selector);
if (children.length) return children[0];
return;
}
function find_group(node) {
var parent = node.parentElement;
if (!parent) return;
if (parent.id == "frames") return node;
return find_group(parent);
}
function orig_save(e, attr, val) {
if (e.attributes["fg:orig_" + attr] != undefined) return;
if (e.attributes[attr] == undefined) return;
if (val == undefined) val = e.attributes[attr].value;
e.setAttribute("fg:orig_" + attr, val);
}
function orig_load(e, attr) {
if (e.attributes["fg:orig_"+attr] == undefined) return;
e.attributes[attr].value = e.attributes["fg:orig_" + attr].value;
e.removeAttribute("fg: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) * frames.attributes.width.value / 100 - 3;
var txt = find_child(e, "title").textContent.replace(/\([^(]*\)$/,"");
t.attributes.x.value = format_percent((parseFloat(r.attributes.x.value) + (100 * 3 / frames.attributes.width.value)));
// Smaller than this size won't fit anything
if (w < 2 * f o n t s i z e * f o n t w i d t h ) {
t.textContent = "";
return;
}
t.textContent = txt;
// Fit in full text width
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if (/^ *\$/.test(txt) || t.getComputedTextLength() < w )
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return;
if (truncate_text_right) {
// Truncate the right side of the text.
for (var x = txt.length - 2; x > 0; x--) {
if (t.getSubStringLength(0, x + 2) < = w) {
t.textContent = txt.substring(0, x) + "..";
return;
}
}
} else {
// Truncate the left side of the text.
for (var x = 2; x < txt.length ; x + + ) {
if (t.getSubStringLength(x - 2, txt.length) < = w) {
t.textContent = ".." + txt.substring(x, txt.length);
return;
}
}
}
t.textContent = "";
}
// zoom
function zoom_reset(e) {
if (e.tagName == "rect") {
e.attributes.x.value = format_percent(100 * parseInt(e.attributes["fg:x"].value) / total_samples);
e.attributes.width.value = format_percent(100 * parseInt(e.attributes["fg:w"].value) / total_samples);
}
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, zoomed_width_samples) {
if (e.tagName == "text") {
var parent_x = parseFloat(find_child(e.parentNode, "rect[x]").attributes.x.value);
e.attributes.x.value = format_percent(parent_x + (100 * 3 / frames.attributes.width.value));
} else if (e.tagName == "rect") {
e.attributes.x.value = format_percent(100 * (parseInt(e.attributes["fg:x"].value) - x) / zoomed_width_samples);
e.attributes.width.value = format_percent(100 * parseInt(e.attributes["fg:w"].value) / zoomed_width_samples);
}
if (e.childNodes == undefined) return;
for(var i = 0, c = e.childNodes; i < c.length ; i + + ) {
zoom_child(c[i], x, zoomed_width_samples);
}
}
function zoom_parent(e) {
if (e.attributes) {
if (e.attributes.x != undefined) {
e.attributes.x.value = "0.0%";
}
if (e.attributes.width != undefined) {
e.attributes.width.value = "100.0%";
}
}
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 = parseInt(attr["fg:w"].value);
var xmin = parseInt(attr["fg:x"].value);
var xmax = xmin + width;
var ymin = parseFloat(attr.y.value);
unzoombtn.classList.remove("hide");
var el = frames.children;
for (var i = 0; i < el.length ; i + + ) {
var e = el[i];
var a = find_child(e, "rect").attributes;
var ex = parseInt(a["fg:x"].value);
var ew = parseInt(a["fg:w"].value);
// Is it an ancestor
if (!inverted) {
var upstack = parseFloat(a.y.value) > ymin;
} else {
var upstack = parseFloat(a.y.value) < ymin ;
}
if (upstack) {
// Direct ancestor
if (ex < = xmin & & (ex+ew) >= xmax) {
e.classList.add("parent");
zoom_parent(e);
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update_text(e);
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}
// not in current path
else
e.classList.add("hide");
}
// Children maybe
else {
// no common path
if (ex < xmin | | e x > = xmax) {
e.classList.add("hide");
}
else {
zoom_child(e, xmin, width);
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update_text(e);
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}
}
}
}
function unzoom() {
unzoombtn.classList.add("hide");
var el = frames.children;
for(var i = 0; i < el.length ; i + + ) {
el[i].classList.remove("parent");
el[i].classList.remove("hide");
zoom_reset(el[i]);
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update_text(el[i]);
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}
}
// search
function reset_search() {
var el = document.querySelectorAll("#frames rect");
for (var i = 0; i < el.length ; i + + ) {
orig_load(el[i], "fill")
}
var params = get_params();
delete params.s;
history.replaceState(null, null, parse_params(params));
}
function search_prompt() {
if (!searching) {
var term = prompt("Enter a search term (regexp " +
"allowed, eg: ^ext4_)", "");
if (term != null) {
search(term)
}
} else {
reset_search();
searching = 0;
searchbtn.classList.remove("show");
searchbtn.firstChild.nodeValue = "Search"
matchedtxt.classList.add("hide");
matchedtxt.firstChild.nodeValue = ""
}
}
function search(term) {
var re = new RegExp(term);
var el = frames.children;
var matches = new Object();
var maxwidth = 0;
for (var i = 0; i < el.length ; i + + ) {
var e = el[i];
// Skip over frames which are either not visible, or below the zoomed-to frame
if (e.classList.contains("hide") || e.classList.contains("parent")) {
continue;
}
var func = g_to_func(e);
var rect = find_child(e, "rect");
if (func == null || rect == null)
continue;
// Save max width. Only works as we have a root frame
var w = parseInt(rect.attributes["fg:w"].value);
if (w > maxwidth)
maxwidth = w;
if (func.match(re)) {
// highlight
var x = parseInt(rect.attributes["fg:x"].value);
orig_save(rect, "fill");
rect.attributes.fill.value = searchcolor;
// remember matches
if (matches[x] == undefined) {
matches[x] = w;
} else {
if (w > matches[x]) {
// overwrite with parent
matches[x] = w;
}
}
searching = 1;
}
}
if (!searching)
return;
var params = get_params();
params.s = term;
history.replaceState(null, null, parse_params(params));
searchbtn.classList.add("show");
searchbtn.firstChild.nodeValue = "Reset Search";
// calculate percent matched, excluding vertical overlap
var count = 0;
var lastx = -1;
var lastw = 0;
var keys = Array();
for (k in matches) {
if (matches.hasOwnProperty(k))
keys.push(k);
}
// sort the matched frames by their x location
// ascending, then width descending
keys.sort(function(a, b){
return a - b;
});
// 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.
for (var k in keys) {
var x = parseInt(keys[k]);
var w = matches[keys[k]];
if (x >= lastx + lastw) {
count += w;
lastx = x;
lastw = w;
}
}
// display matched percent
matchedtxt.classList.remove("hide");
var pct = 100 * count / maxwidth;
if (pct != 100) pct = pct.toFixed(1);
matchedtxt.firstChild.nodeValue = "Matched: " + pct + "%";
}
function format_percent(n) {
return n.toFixed(4) + "%";
}
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]]></script> <rect x= "0" y= "0" width= "100%" height= "886" fill= "url(#background)" /> <text id= "title" x= "50.0000%" y= "24.00" > Flame Graph</text> <text id= "details" x= "10" y= "869.00" > </text> <text id= "unzoom" class= "hide" x= "10" y= "24.00" > Reset Zoom</text> <text id= "search" x= "1090" y= "24.00" > Search</text> <text id= "matched" x= "1090" y= "869.00" > </text> <svg id= "frames" x= "10" width= "1180" total_samples= "387863" > <g > <title > [unknown] (56 samples, 0.01%)</title> <rect x= "0.0070%" y= "805" width= "0.0144%" height= "15" fill= "rgb(227,0,7)" fg:x= "27" fg:w= "56" /> <text x= "0.2570%" y= "815.50" > </text> </g> <g > <title > :743760 (67 samples, 0.02%)</title> <rect x= "0.0070%" y= "821" width= "0.0173%" height= "15" fill= "rgb(217,0,24)" fg:x= "27" fg:w= "67" /> <text x= "0.2570%" y= "831.50" > </text> </g> <g > <title > _dl_update_slotinfo (157 samples, 0.04%)</title> <rect x= "0.3496%" y= "789" width= "0.0405%" height= "15" fill= "rgb(221,193,54)" fg:x= "1356" fg:w= "157" /> <text x= "0.5996%" y= "799.50" > </text> </g> <g > <title > update_get_addr (64 samples, 0.02%)</title> <rect x= "0.4396%" y= "789" width= "0.0165%" height= "15" fill= "rgb(248,212,6)" fg:x= "1705" fg:w= "64" /> <text x= "0.6896%" y= "799.50" > </text> </g> <g > <title > [anon] (1,521 samples, 0.39%)</title> <rect x= "0.0642%" y= "805" width= "0.3921%" height= "15" fill= "rgb(208,68,35)" fg:x= "249" fg:w= "1521" /> <text x= "0.3142%" y= "815.50" > </text> </g> <g > <title > [perf-742530.map] (188 samples, 0.05%)</title> <rect x= "0.4574%" y= "805" width= "0.0485%" height= "15" fill= "rgb(232,128,0)" fg:x= "1774" fg:w= "188" /> <text x= "0.7074%" y= "815.50" > </text> </g> <g > <title > [unknown] (82 samples, 0.02%)</title> <rect x= "0.5058%" y= "805" width= "0.0211%" height= "15" fill= "rgb(207,160,47)" fg:x= "1962" fg:w= "82" /> <text x= "0.7558%" y= "815.50" > </text> </g> <g > <title > jio_vsnprintf (65 samples, 0.02%)</title> <rect x= "0.5461%" y= "661" width= "0.0168%" height= "15" fill= "rgb(228,23,34)" fg:x= "2118" fg:w= "65" /> <text x= "0.7961%" y= "671.50" > </text> </g> <g > <title > os::vsnprintf (65 samples, 0.02%)</title> <rect x= "0.5461%" y= "645" width= "0.0168%" height= "15" fill= "rgb(218,30,26)" fg:x= "2118" fg:w= "65" /> <text x= "0.7961%" y= "655.50" > </text> </g> <g > <title > __vsnprintf_internal (63 samples, 0.02%)</title> <rect x= "0.5466%" y= "629" width= "0.0162%" height= "15" fill= "rgb(220,122,19)" fg:x= "2120" fg:w= "63" /> <text x= "0.7966%" y= "639.50" > </text> </g> <g > <title > __vfprintf_internal (58 samples, 0.01%)</title> <rect x= "0.5479%" y= "613" width= "0.0150%" height= "15" fill= "rgb(250,228,42)" fg:x= "2125" fg:w= "58" /> <text x= "0.7979%" y= "623.50" > </text> </g> <g > <title > CompileBroker::post_compile (75 samples, 0.02%)</title> <rect x= "0.5450%" y= "693" width= "0.0193%" height= "15" fill= "rgb(240,193,28)" fg:x= "2114" fg:w= "75" /> <text x= "0.7950%" y= "703.50" > </text> </g> <g > <title > StringEventLog::log (74 samples, 0.02%)</title> <rect x= "0.5453%" y= "677" width= "0.0191%" height= "15" fill= "rgb(216,20,37)" fg:x= "2115" fg:w= "74" /> <text x= "0.7953%" y= "687.50" > </text> </g> <g > <title > Method::print_short_name (56 samples, 0.01%)</title> <rect x= "0.5713%" y= "677" width= "0.0144%" height= "15" fill= "rgb(206,188,39)" fg:x= "2216" fg:w= "56" /> <text x= "0.8213%" y= "687.50" > </text> </g> <g > <title > CompileTask::print (120 samples, 0.03%)</title> <rect x= "0.5708%" y= "693" width= "0.0309%" height= "15" fill= "rgb(217,207,13)" fg:x= "2214" fg:w= "120" /> <text x= "0.8208%" y= "703.50" > </text> </g> <g > <title > outputStream::print (62 samples, 0.02%)</title> <rect x= "0.5858%" y= "677" width= "0.0160%" height= "15" fill= "rgb(231,73,38)" fg:x= "2272" fg:w= "62" /> <text x= "0.8358%" y= "687.50" > </text> </g> <g > <title > outputStream::do_vsnprintf_and_write_with_automatic_buffer (61 samples, 0.02%)</title> <rect x= "0.5860%" y= "661" width= "0.0157%" height= "15" fill= "rgb(225,20,46)" fg:x= "2273" fg:w= "61" /> <text x= "0.8360%" y= "671.50" > </text> </g> <g > <title > BlockBegin::iterate_preorder (44 samples, 0.01%)</title> <rect x= "0.6317%" y= "517" width= "0.0113%" height= "15" fill= "rgb(210,31,41)" fg:x= "2450" fg:w= "44" /> <text x= "0.8817%" y= "527.50" > </text> </g> <g > <title > BlockBegin::iterate_preorder (66 samples, 0.02%)</title> <rect x= "0.6312%" y= "533" width= "0.0170%" height= "15" fill= "rgb(221,200,47)" fg:x= "2448