зеркало из https://github.com/mozilla/gecko-dev.git
94 строки
3.5 KiB
JavaScript
94 строки
3.5 KiB
JavaScript
/* 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/. */
|
|
|
|
// This module exports methods to record telemetry data for memory tool usage.
|
|
//
|
|
// NB: Ensure that *every* exported function is wrapped in `makeInfallible` so
|
|
// that our probes don't accidentally break code that actually does productive
|
|
// work for the user!
|
|
|
|
const { telemetry } = require("Services");
|
|
const { makeInfallible, immutableUpdate } = require("devtools/shared/DevToolsUtils");
|
|
const { dominatorTreeBreakdowns, breakdowns } = require("./constants");
|
|
|
|
exports.countTakeSnapshot = makeInfallible(function () {
|
|
const histogram = telemetry.getHistogramById("DEVTOOLS_MEMORY_TAKE_SNAPSHOT_COUNT");
|
|
histogram.add(1);
|
|
}, "devtools/client/memory/telemetry#countTakeSnapshot");
|
|
|
|
exports.countImportSnapshot = makeInfallible(function () {
|
|
const histogram = telemetry.getHistogramById("DEVTOOLS_MEMORY_IMPORT_SNAPSHOT_COUNT");
|
|
histogram.add(1);
|
|
}, "devtools/client/memory/telemetry#countImportSnapshot");
|
|
|
|
exports.countExportSnapshot = makeInfallible(function () {
|
|
const histogram = telemetry.getHistogramById("DEVTOOLS_MEMORY_EXPORT_SNAPSHOT_COUNT");
|
|
histogram.add(1);
|
|
}, "devtools/client/memory/telemetry#countExportSnapshot");
|
|
|
|
const COARSE_TYPE = "Coarse Type";
|
|
const ALLOCATION_STACK = "Allocation Stack";
|
|
const OBJECT_CLASS = "Object Class";
|
|
const INTERNAL_TYPE = "Internal Type";
|
|
const CUSTOM = "Custom";
|
|
|
|
/**
|
|
* @param {Boolean} inverted
|
|
* True if the census was inverted, false otherwise.
|
|
*
|
|
* @param {String|null} filter
|
|
* The filter string used, if any.
|
|
*
|
|
* @param {Boolean} diffing
|
|
* True if the census was a diffing census, false otherwise.
|
|
*
|
|
* @param {Object} breakdown
|
|
* The breakdown used with the census.
|
|
*/
|
|
exports.countCensus = makeInfallible(function ({ inverted, filter, diffing, breakdown }) {
|
|
let histogram = telemetry.getHistogramById("DEVTOOLS_MEMORY_INVERTED_CENSUS");
|
|
histogram.add(!!inverted);
|
|
|
|
histogram = telemetry.getHistogramById("DEVTOOLS_MEMORY_FILTER_CENSUS");
|
|
histogram.add(!!filter);
|
|
|
|
histogram = telemetry.getHistogramById("DEVTOOLS_MEMORY_DIFF_CENSUS");
|
|
histogram.add(!!diffing);
|
|
|
|
histogram = telemetry.getKeyedHistogramById("DEVTOOLS_MEMORY_BREAKDOWN_CENSUS_COUNT");
|
|
if (breakdown === breakdowns.coarseType.breakdown) {
|
|
histogram.add(COARSE_TYPE);
|
|
} else if (breakdown === breakdowns.allocationStack.breakdown) {
|
|
histogram.add(ALLOCATION_STACK);
|
|
} else {
|
|
histogram.add(CUSTOM);
|
|
}
|
|
}, "devtools/client/memory/telemetry#countCensus");
|
|
|
|
/**
|
|
* @param {Object} opts
|
|
* The same parameters specified for countCensus.
|
|
*/
|
|
exports.countDiff = makeInfallible(function (opts) {
|
|
exports.countCensus(immutableUpdate(opts, { diffing: true }));
|
|
}, "devtools/client/memory/telemetry#countDiff");
|
|
|
|
/**
|
|
* @param {Object} breakdown
|
|
* The breakdown used to label nodes in the dominator tree.
|
|
*/
|
|
exports.countDominatorTree = makeInfallible(function ({ breakdown }) {
|
|
let histogram = telemetry.getHistogramById("DEVTOOLS_MEMORY_DOMINATOR_TREE_COUNT");
|
|
histogram.add(1);
|
|
|
|
histogram = telemetry.getKeyedHistogramById("DEVTOOLS_MEMORY_BREAKDOWN_DOMINATOR_TREE_COUNT");
|
|
if (breakdown === dominatorTreeBreakdowns.coarseType.breakdown) {
|
|
histogram.add(COARSE_TYPE);
|
|
} else if (breakdown === dominatorTreeBreakdowns.allocationStack.breakdown) {
|
|
histogram.add(ALLOCATION_STACK);
|
|
} else {
|
|
histogram.add(CUSTOM);
|
|
}
|
|
}, "devtools/client/memory/telemetry#countDominatorTree");
|