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64 lines
2.4 KiB
JavaScript
64 lines
2.4 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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function spawnTest () {
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let { panel } = yield initPerformance(SIMPLE_URL);
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let front = panel.panelWin.gFront;
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// Perform the first recording...
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yield front.startRecording();
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let profilingStartTime = front._profilingStartTime;
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info("Started profiling at: " + profilingStartTime);
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busyWait(WAIT_TIME); // allow the profiler module to sample some cpu activity
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let firstRecordingData = yield front.stopRecording();
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let firstRecordingFinishTime = firstRecordingData.profilerData.currentTime;
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is(profilingStartTime, 0,
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"The profiling start time should be 0 for the first recording.");
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ok(firstRecordingData.recordingDuration >= WAIT_TIME,
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"The first recording duration is correct.");
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ok(firstRecordingFinishTime >= WAIT_TIME,
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"The first recording finish time is correct.");
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// Perform the second recording...
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yield front.startRecording();
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profilingStartTime = front._profilingStartTime;
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info("Started profiling at: " + profilingStartTime);
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busyWait(WAIT_TIME); // allow the profiler module to sample more cpu activity
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let secondRecordingData = yield front.stopRecording();
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let secondRecordingFinishTime = secondRecordingData.profilerData.currentTime;
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let secondRecordingProfile = secondRecordingData.profilerData.profile;
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let secondRecordingSamples = secondRecordingProfile.threads[0].samples;
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isnot(profilingStartTime, 0,
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"The profiling start time should not be 0 on the second recording.");
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ok(secondRecordingData.recordingDuration >= WAIT_TIME,
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"The second recording duration is correct.");
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ok(secondRecordingFinishTime - firstRecordingFinishTime >= WAIT_TIME,
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"The second recording finish time is correct.");
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ok(secondRecordingSamples[0].time < profilingStartTime,
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"The second recorded sample times were normalized.");
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ok(secondRecordingSamples[0].time > 0,
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"The second recorded sample times were normalized correctly.");
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ok(!secondRecordingSamples.find(e => e.time + profilingStartTime <= firstRecordingFinishTime),
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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 teardown(panel);
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finish();
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}
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