113 lines
3.3 KiB
Plaintext
113 lines
3.3 KiB
Plaintext
# Copyright 2017 The Chromium Authors
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Contributing to Chrome DevTools Protocol: https://goo.gle/devtools-contribution-guide-cdp
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experimental domain Memory
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# Memory pressure level.
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type PressureLevel extends string
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enum
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moderate
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critical
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# Retruns current DOM object counters.
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command getDOMCounters
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returns
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integer documents
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integer nodes
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integer jsEventListeners
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# Retruns DOM object counters after preparing renderer for leak detection.
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command getDOMCountersForLeakDetection
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returns
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# DOM object counters.
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array of DOMCounter counters
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# Prepares for leak detection by terminating workers, stopping spellcheckers,
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# dropping non-essential internal caches, running garbage collections, etc.
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command prepareForLeakDetection
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# Simulate OomIntervention by purging V8 memory.
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command forciblyPurgeJavaScriptMemory
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# Enable/disable suppressing memory pressure notifications in all processes.
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command setPressureNotificationsSuppressed
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parameters
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# If true, memory pressure notifications will be suppressed.
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boolean suppressed
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# Simulate a memory pressure notification in all processes.
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command simulatePressureNotification
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parameters
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# Memory pressure level of the notification.
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PressureLevel level
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# Start collecting native memory profile.
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command startSampling
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parameters
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# Average number of bytes between samples.
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optional integer samplingInterval
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# Do not randomize intervals between samples.
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optional boolean suppressRandomness
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# Stop collecting native memory profile.
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command stopSampling
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# Retrieve native memory allocations profile
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# collected since renderer process startup.
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command getAllTimeSamplingProfile
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returns
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SamplingProfile profile
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# Retrieve native memory allocations profile
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# collected since browser process startup.
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command getBrowserSamplingProfile
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returns
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SamplingProfile profile
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# Retrieve native memory allocations profile collected since last
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# `startSampling` call.
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command getSamplingProfile
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returns
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SamplingProfile profile
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# Heap profile sample.
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type SamplingProfileNode extends object
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properties
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# Size of the sampled allocation.
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number size
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# Total bytes attributed to this sample.
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number total
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# Execution stack at the point of allocation.
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array of string stack
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# Array of heap profile samples.
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type SamplingProfile extends object
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properties
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array of SamplingProfileNode samples
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array of Module modules
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# Executable module information
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type Module extends object
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properties
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# Name of the module.
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string name
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# UUID of the module.
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string uuid
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# Base address where the module is loaded into memory. Encoded as a decimal
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# or hexadecimal (0x prefixed) string.
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string baseAddress
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# Size of the module in bytes.
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number size
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# DOM object counter data.
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type DOMCounter extends object
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properties
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# Object name. Note: object names should be presumed volatile and clients should not expect
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# the returned names to be consistent across runs.
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string name
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# Object count.
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integer count
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