Memory Domain
Methods
Types
Methods
Memory.forciblyPurgeJavaScriptMemory #
Simulate OomIntervention by purging V8 memory.
Memory.getAllTimeSamplingProfile #
Retrieve native memory allocations profile collected since renderer process startup.
Return Object
- profile
-
SamplingProfile
Memory.getBrowserSamplingProfile #
Retrieve native memory allocations profile collected since browser process startup.
Return Object
- profile
-
SamplingProfile
Memory.getDOMCounters #
Retruns current DOM object counters.
Return Object
- documents
-
integer
- nodes
-
integer
- jsEventListeners
-
integer
Memory.getDOMCountersForLeakDetection #
Retruns DOM object counters after preparing renderer for leak detection.
Return Object
- counters
-
array[ DOMCounter ]
DOM object counters.
Memory.getSamplingProfile #
Retrieve native memory allocations profile collected since last
startSampling call.
Return Object
- profile
-
SamplingProfile
Memory.prepareForLeakDetection #
Prepares for leak detection by terminating workers, stopping spellcheckers, dropping non-essential internal caches, running garbage collections, etc.
Memory.setPressureNotificationsSuppressed #
Enable/disable suppressing memory pressure notifications in all processes.
parameters
- suppressed
-
boolean
If true, memory pressure notifications will be suppressed.
Memory.simulatePressureNotification #
Simulate a memory pressure notification in all processes.
parameters
- level
-
PressureLevel
Memory pressure level of the notification.
Memory.startSampling #
Start collecting native memory profile.
parameters
- samplingInterval
-
integer
Average number of bytes between samples.
- suppressRandomness
-
boolean
Do not randomize intervals between samples.
Memory.stopSampling #
Stop collecting native memory profile.
Types
Memory.DOMCounter #
DOM object counter data.
Type: object
properties
- name
-
string
Object name. Note: object names should be presumed volatile and clients should not expect the returned names to be consistent across runs.
- count
-
integer
Object count.
Memory.Module #
Executable module information
Type: object
properties
- name
-
string
Name of the module.
- uuid
-
string
UUID of the module.
- baseAddress
-
string
Base address where the module is loaded into memory. Encoded as a decimal or hexadecimal (0x prefixed) string.
- size
-
number
Size of the module in bytes.
Memory.SamplingProfile #
Array of heap profile samples.
Type: object
properties
- samples
-
array[ SamplingProfileNode ]
- modules
-
array[ Module ]
Memory.SamplingProfileNode #
Heap profile sample.
Type: object
properties
- size
-
number
Size of the sampled allocation.
- total
-
number
Total bytes attributed to this sample.
- stack
-
array[ string ]
Execution stack at the point of allocation.