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Unified Diff: tools/metrics/histograms/histograms.xml

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Issue 1978403004: Add UMA histograms for WebAudio (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Use CustomCountHistogram Created 4 years, 6 months ago
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« third_party/WebKit/Source/modules/webaudio/AudioContext.cpp ('K') | « third_party/WebKit/Source/platform/audio/Panner.h ('k') | no next file » | no next file with comments »
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Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 6da7d954d04b640f9489233c8d2015acef9e054f..0c548cf106c5fd92194c03b2e4fa398b3223055f 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -60620,6 +60620,63 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="WebAudio.AudioBuffer.Length" units="frames">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The length (in frames) requested by createBuffer(). Recorded for every call
+ to createBuffer(). Probably many (tens or hundreds) per page.
+ </summary>
+</histogram>
+
+<histogram name="WebAudio.AudioBuffer.NumberOfChannels">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The number of channels requested by createBuffer(). Recorded for every call
+ to createBuffer(). Probably many (tens or hundreds) per page.
+ </summary>
+</histogram>
+
+<histogram name="WebAudio.AudioBuffer.SampleRate" units="Hz">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The sample rate (in Hz) requested by createBuffer(). Recorded for every call
+ to createBuffer(). Probably many (tens or hundreds) per page.
+ </summary>
+</histogram>
+
+<histogram name="WebAudio.AudioBuffer.SampleRateRatio">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The ratio of the buffer sample rate from createBuffer() to the context
+ sample rate. This indicates if the buffer needs to be resampled. Recorded
+ for every call to createBuffer(). Probably many (tens or hundreds) per
+ page.
+ </summary>
+</histogram>
+
+<histogram name="WebAudio.AudioContext.HardwareSampleRate" units="Hz">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The hardware sample rate (in Hz) used by an AudioContext. Recorded for every
+ WebAudio AudioContext that is created; probably only one or two per page.
+ </summary>
+</histogram>
+
+<histogram name="WebAudio.AudioContext.MaxChannelsAvailable">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The maximum number of (hardware) channels available in an AudioContext.
+ Recorded for every WebAudio AudioContext that is created; probably only one
+ or two per page.
+ </summary>
+</histogram>
+
<histogram name="WebAudio.AudioDestination.CallbackBufferSize">
<owner>rtoy@chromium.org</owner>
<owner>hongchan@chromium.org</owner>
@@ -60662,6 +60719,17 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="WebAudio.BiquadFilter.Type" enum="BiquadFilterType">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The type of the BiquadFilterNode. Recorded each time the type is set. This
+ recorded once (to lowpass) when a biquad filter is created and also recorded
+ whenever the filter type changes due to user action or programatically. It
+ is unlikely the type will change more than once.
+ </summary>
+</histogram>
+
<histogram name="WebAudio.IIRFilterNode.Order">
<owner>rtoy@chromium.org</owner>
<owner>hongchan@chromium.org</owner>
@@ -60672,6 +60740,48 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="WebAudio.OfflineAudioContext.ChannelCount">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The number of channels specified for the offline audio context. Recorded for
+ every offline context created. Probably only a few per page, but could be
+ potentially much more (thousands).
+ </summary>
+</histogram>
+
+<histogram name="WebAudio.OfflineAudioContext.Length" units="frames">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The length (in frames) specified for the offline audio context. Recorded for
+ every offline context created. Probably only a few per page, but could be
+ potentially much more (thousands).
+ </summary>
+</histogram>
+
+<histogram name="WebAudio.OfflineAudioContext.SampleRate" units="Hz">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The sample rate (in Hz) specified for the offline audio context. Recorded
+ for every offline context created. Probably only a few per page, but could
+ be potentially much more (thousands).
+ </summary>
+</histogram>
+
+<histogram name="WebAudio.PannerNode.PanningModel" enum="PanningModelType">
+ <owner>rtoy@chromium.org</owner>
+ <owner>hongchan@chromium.org</owner>
+ <summary>
+ The panning model for the PannerNode. Recorded once with the default value
+ at creation and once again whenver it is changed. Once changed, it is
+ unlikely to be changed again. If there are any PannerNodes created at all,
+ then there is probably one for each source (AudioBufferSourceNode,
+ OscillatorNode, or other source).
+ </summary>
+</histogram>
+
<histogram name="WebAudio.UserGesture" enum="UserGestureRequirement">
<owner>mlamouri@chromium.org</owner>
<summary>
@@ -65199,6 +65309,17 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
<int value="2" label="1+"/>
</enum>
+<enum name="BiquadFilterType" type="int">
+ <int value="0" label="lowpass"/>
+ <int value="1" label="highpass"/>
+ <int value="2" label="bandpass"/>
+ <int value="3" label="lowshelf"/>
+ <int value="4" label="highshelf"/>
+ <int value="5" label="peaking"/>
+ <int value="6" label="notch"/>
+ <int value="7" label="allpass"/>
+</enum>
+
<enum name="BlacklistedVideoCaptureDeviceNames" type="int">
<int value="0" label="Google GTalk Camera Adapter"/>
<int value="1" label="IP Camera"/>
@@ -83307,6 +83428,11 @@ To add a new entry, add it with any value and run test to compute valid value.
<int value="8" label="Unknown"/>
</enum>
+<enum name="PanningModelType" type="int">
+ <int value="0" label="equalpower"/>
+ <int value="1" label="HRTF"/>
+</enum>
+
<enum name="ParsedCookieStatus" type="int">
<obsolete>
Deprecated as of 9/2013. Experiment to measure control characters in cookies
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