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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {Cc, Ci, Cu, Cr} = require("chrome");
Cu.import("resource:///modules/devtools/ViewHelpers.jsm");
/**
* Localization convenience methods.
*/
const STRINGS_URI = "chrome://browser/locale/devtools/profiler.properties";
const L10N = new ViewHelpers.L10N(STRINGS_URI);
/**
* Details about each profile entry cateogry.
* @see CATEGORY_MAPPINGS.
*/
const CATEGORIES = [
{ ordinal: 7, color: "#5e88b0", abbrev: "other", label: L10N.getStr("category.other") },
{ ordinal: 4, color: "#46afe3", abbrev: "css", label: L10N.getStr("category.css") },
{ ordinal: 1, color: "#d96629", abbrev: "js", label: L10N.getStr("category.js") },
{ ordinal: 2, color: "#eb5368", abbrev: "gc", label: L10N.getStr("category.gc") },
{ ordinal: 0, color: "#df80ff", abbrev: "network", label: L10N.getStr("category.network") },
{ ordinal: 5, color: "#70bf53", abbrev: "graphics", label: L10N.getStr("category.graphics") },
{ ordinal: 6, color: "#8fa1b2", abbrev: "storage", label: L10N.getStr("category.storage") },
{ ordinal: 3, color: "#d99b28", abbrev: "events", label: L10N.getStr("category.events") }
];
/**
* Mapping from category bitmasks in the profiler data to additional details.
* To be kept in sync with the js::ProfileEntry::Category in ProfilingStack.h
*/
const CATEGORY_MAPPINGS = {
"16": CATEGORIES[0], // js::ProfileEntry::Category::OTHER
"32": CATEGORIES[1], // js::ProfileEntry::Category::CSS
"64": CATEGORIES[2], // js::ProfileEntry::Category::JS
"128": CATEGORIES[3], // js::ProfileEntry::Category::GC
"256": CATEGORIES[3], // js::ProfileEntry::Category::CC
"512": CATEGORIES[4], // js::ProfileEntry::Category::NETWORK
"1024": CATEGORIES[5], // js::ProfileEntry::Category::GRAPHICS
"2048": CATEGORIES[6], // js::ProfileEntry::Category::STORAGE
"4096": CATEGORIES[7], // js::ProfileEntry::Category::EVENTS
};
/**
* Get the numeric bitmask (or set of masks) for the given category
* abbreviation. See CATEGORIES and CATEGORY_MAPPINGS above.
*
* CATEGORY_MASK can be called with just a name if it is expected that the
* category is mapped to by exactly one bitmask. If the category is mapped
* to by multiple masks, CATEGORY_MASK for that name must be called with
* an additional argument specifying the desired id (in ascending order).
*/
const [CATEGORY_MASK, CATEGORY_MASK_LIST] = (function () {
let mappings = {};
for (let category of CATEGORIES) {
let numList = Object.keys(CATEGORY_MAPPINGS)
.filter(k => CATEGORY_MAPPINGS[k] == category)
.map(k => +k);
numList.sort();
mappings[category.abbrev] = numList;
}
return [
function (name, num) {
if (!(name in mappings)) {
throw new Error(`Category abbreviation '${name}' does not exist.`);
}
if (arguments.length == 1) {
if (mappings[name].length != 1) {
throw new Error(`Expected exactly one category number for '${name}'.`);
}
return mappings[name][0];
}
if (num > mappings[name].length) {
throw new Error(`Num '${num}' too high for category '${name}'.`);
}
return mappings[name][num - 1];
},
function (name) {
if (!(name in mappings)) {
throw new Error(`Category abbreviation '${name}' does not exist.`);
}
return mappings[name];
}
];
})();
// Human-readable "other" category bitmask. Older Geckos don't have all the
// necessary instrumentation in the sampling profiler backend for creating
// a categories graph, in which case we default to the "other" category.
const CATEGORY_OTHER = CATEGORY_MASK('other');
// Human-readable JIT category bitmask. Certain pseudo-frames in a sample,
// like "EnterJIT", don't have any associated `cateogry` information.
const CATEGORY_JIT = CATEGORY_MASK('js');
// Exported symbols.
exports.L10N = L10N;
exports.CATEGORIES = CATEGORIES;
exports.CATEGORY_MAPPINGS = CATEGORY_MAPPINGS;
exports.CATEGORY_OTHER = CATEGORY_OTHER;
exports.CATEGORY_JIT = CATEGORY_JIT;
exports.CATEGORY_MASK = CATEGORY_MASK;
exports.CATEGORY_MASK_LIST = CATEGORY_MASK_LIST;
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