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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/. */
/**
* Test that we can measure non-zero event delays
*/
add_task(async () => {
const entries = 10000;
const interval = 1;
const threads = [];
const features = [];
await Services.profiler.StartProfiler(entries, interval, features, threads);
await functionA();
const profile = await stopNowAndGetProfile();
const [thread] = profile.threads;
const { samples } = thread;
const message = "eventDelay > 0 not found.";
let SAMPLE_STACK_SLOT = thread.samples.schema.eventDelay;
for (let i = 0; i < samples.data.length; i++) {
if (samples.data[i][SAMPLE_STACK_SLOT] > 0) {
Assert.ok(true, message);
return;
}
}
Assert.ok(false, message);
});
function doSyncWork(milliseconds) {
const start = Date.now();
while (true) {
this.n = 0;
for (let i = 0; i < 1e5; i++) {
this.n += Math.random();
}
if (Date.now() - start > milliseconds) {
return;
}
}
}
async function functionA() {
doSyncWork(100);
return captureAtLeastOneJsSample();
}
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