Rudder

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text { font-family:Verdana; font-size:12px; fill:rgb(0,0,0); }

#search, #ignorecase { opacity:0.1; cursor:pointer; }

#search:hover, #search.show, #ignorecase:hover, #ignorecase.show { opacity:1; }

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<![CDATA[

"use strict";

var details, searchbtn, unzoombtn, matchedtxt, svg, searching, currentSearchTerm, ignorecase, ignorecaseBtn;

function init(evt) {

details = document.getElementById("details").firstChild;

searchbtn = document.getElementById("search");

ignorecaseBtn = document.getElementById("ignorecase");

unzoombtn = document.getElementById("unzoom");

matchedtxt = document.getElementById("matched");

svg = document.getElementsByTagName("svg")[0];

searching = 0;

currentSearchTerm = null;

// use GET parameters to restore a flamegraphs state.

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if (params.x && params.y)

zoom(find_group(document.querySelector('[x="' + params.x + '"][y="' + params.y + '"]')));

if (params.s) search(params.s);

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// show

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// ctrl-I to toggle case-sensitive search

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search_prompt();

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// if there's any manipulation we want to do to the function

// name before it's searched, do it here before returning.

return (func);

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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;

unzoombtn.classList.remove("hide");

var el = document.getElementById("frames").children;

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search();

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var el = document.getElementById("frames").children;

for(var i = 0; i < el.length; i++) {

el[i].classList.remove("parent");

el[i].classList.remove("hide");

zoom_reset(el[i]);

update_text(el[i]);

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search();

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function clearzoom() {

unzoom();

// remove zoom state

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if (params.y) delete params.y;

history.replaceState(null, null, parse_params(params));

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// search

function toggle_ignorecase() {

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reset_search();

search();

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function reset_search() {

var el = document.querySelectorAll("#frames rect");

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orig_load(el[i], "fill")

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var params = get_params();

delete params.s;

history.replaceState(null, null, parse_params(params));

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function search_prompt() {

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var term = prompt("Enter a search term (regexp " +

"allowed, eg: ^ext4_)"

+ (ignorecase ? ", ignoring case" : "")

+ "\nPress Ctrl-i to toggle case sensitivity", "");

if (term != null) search(term);

} else {

reset_search();

searching = 0;

currentSearchTerm = null;

searchbtn.classList.remove("show");

searchbtn.firstChild.nodeValue = "Search"

matchedtxt.classList.add("hide");

matchedtxt.firstChild.nodeValue = ""

}

}

function search(term) {

if (term) currentSearchTerm = term;

var re = new RegExp(currentSearchTerm, ignorecase ? 'i' : '');

var el = document.getElementById("frames").children;

var matches = new Object();

var maxwidth = 0;

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var e = el[i];

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 = parseFloat(rect.attributes.width.value);

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if (func.match(re)) {

// highlight

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// remember matches

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// overwrite with parent

matches[x] = w;

}

}

searching = 1;

}

}

if (!searching)

return;

var params = get_params();

params.s = currentSearchTerm;

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) {

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keys.push(k);

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// 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.

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 - fudge) {

count += w;

lastx = x;

lastw = w;

}

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// display matched percent

matchedtxt.classList.remove("hide");

var pct = 100 * count / maxwidth;

if (pct != 100) pct = pct.toFixed(1)

matchedtxt.firstChild.nodeValue = "Matched: " + pct + "%";

}

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