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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests if the retrieved profiler data samples are correctly filtered and
* normalized before passed to consumers.
*/
const WAIT_TIME = 1000; // ms
const { PerformanceFront } = require("devtools/shared/fronts/performance");
add_task(function* () {
let browser = yield addTab(MAIN_DOMAIN + "doc_perf.html");
let doc = browser.contentDocument;
initDebuggerServer();
let client = new DebuggerClient(DebuggerServer.connectPipe());
let form = yield connectDebuggerClient(client);
let front = PerformanceFront(client, form);
yield front.connect();
// Perform the first recording...
let firstRecording = yield front.startRecording();
let firstRecordingStartTime = firstRecording._startTime;
info("Started profiling at: " + firstRecordingStartTime);
busyWait(WAIT_TIME); // allow the profiler module to sample some cpu activity
yield front.stopRecording(firstRecording);
ok(firstRecording.getDuration() >= WAIT_TIME,
"The first recording duration is correct.");
// Perform the second recording...
let secondRecording = yield front.startRecording();
let secondRecordingStartTime = secondRecording._startTime;
info("Started profiling at: " + secondRecordingStartTime);
busyWait(WAIT_TIME); // allow the profiler module to sample more cpu activity
yield front.stopRecording(secondRecording);
let secondRecordingProfile = secondRecording.getProfile();
let secondRecordingSamples = secondRecordingProfile.threads[0].samples.data;
ok(secondRecording.getDuration() >= WAIT_TIME,
"The second recording duration is correct.");
const TIME_SLOT = secondRecordingProfile.threads[0].samples.schema.time;
ok(secondRecordingSamples[0][TIME_SLOT] < secondRecordingStartTime,
"The second recorded sample times were normalized.");
ok(secondRecordingSamples[0][TIME_SLOT] > 0,
"The second recorded sample times were normalized correctly.");
ok(!secondRecordingSamples.find(e => e[TIME_SLOT] + secondRecordingStartTime <= firstRecording.getDuration()),
"There should be no samples from the first recording in the second one, " +
"even though the total number of frames did not overflow.");
yield front.destroy();
yield client.close();
gBrowser.removeCurrentTab();
});
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