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