mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Samuel Susla
79090c4802
Summary: We need to do this to break a dependency cycle that would happen if we try to have `view` depend on `mounting` just to add some telemetry to `view`. Changelog: [Internal] Fabric-specific internal change. Reviewed By: mdvacca Differential Revision: D26827446 fbshipit-source-id: 4c415ebf5be3a02c18c80ea8a4a77068cae0f0fe
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <better/small_vector.h>
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#include <vector>
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#include <react/renderer/telemetry/TransactionTelemetry.h>
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#include <react/utils/Telemetry.h>
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namespace facebook {
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namespace react {
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/*
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* Represents telemetry data associated with a particular running Surface.
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* Contains information aggregated from multiple completed transaction.
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*/
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class SurfaceTelemetry final {
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public:
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constexpr static size_t kMaxNumberOfRecordedCommitTelemetries = 16;
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/*
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* Metrics
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*/
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TelemetryDuration getLayoutTime() const;
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TelemetryDuration getTextMeasureTime() const;
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TelemetryDuration getCommitTime() const;
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TelemetryDuration getDiffTime() const;
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TelemetryDuration getMountTime() const;
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int getNumberOfTransactions() const;
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int getNumberOfMutations() const;
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int getNumberOfTextMeasurements() const;
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int getLastRevisionNumber() const;
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std::vector<TransactionTelemetry> getRecentTransactionTelemetries() const;
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/*
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* Incorporate data from given transaction telemetry into aggregated data
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* for the Surface.
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*/
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void incorporate(
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TransactionTelemetry const &telemetry,
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int numberOfMutations);
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private:
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TelemetryDuration layoutTime_{};
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TelemetryDuration commitTime_{};
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TelemetryDuration textMeasureTime_{};
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TelemetryDuration diffTime_{};
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TelemetryDuration mountTime_{};
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int numberOfTransactions_{};
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int numberOfMutations_{};
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int numberOfTextMeasurements_{};
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int lastRevisionNumber_{};
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better::
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small_vector<TransactionTelemetry, kMaxNumberOfRecordedCommitTelemetries>
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recentTransactionTelemetries_{};
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};
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} // namespace react
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} // namespace facebook
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