Merge pull request #9486 from electron/child-observer

Adding CPU & Memory metrics for App

docs/api/app.md

@@ -127,7 +127,7 @@ Returns:
 
 Emitted when the application is activated. Various actions can trigger
 this event, such as launching the application for the first time, attempting
-to re-launch the application when it's already running, or clicking on the 
+to re-launch the application when it's already running, or clicking on the
 application's dock or taskbar icon.
 
 ### Event: 'continue-activity' _macOS_
@@ -762,9 +762,14 @@ Disables hardware acceleration for current app.
 
 This method can only be called before app is ready.
 
-### `app.getAppMemoryInfo()`
+### `app.getAppMemoryInfo()` _Deprecated_
 
-Returns [ProcessMemoryInfo[]](structures/process-memory-info.md):  Array of `ProcessMemoryInfo` objects that correspond to memory usage statistics of all the processes associated with the app.
+Returns [ProcessMetric[]](structures/process-metric.md):  Array of `ProcessMetric` objects that correspond to memory and cpu usage statistics of all the processes associated with the app.
+**Note:** This method is deprecated, use `app.getAppMetrics()` instead.
+
+### `app.getAppMetrics()`
+
+Returns [ProcessMetric[]](structures/process-metric.md):  Array of `ProcessMetric` objects that correspond to memory and cpu usage statistics of all the processes associated with the app.
 
 ### `app.setBadgeCount(count)` _Linux_ _macOS_
 

docs/api/structures/process-memory-info.md

@@ -1,4 +0,0 @@
-# ProcessMemoryInfo Object
-
-* `pid` Integer - Process id of the process.
-* `memory` [MemoryInfo](memory-info.md) - Memory information of the process.

docs/api/structures/process-metric.md

@@ -0,0 +1,6 @@
+# ProcessMetric Object
+
+* `pid` Integer - Process id of the process.
+* `type` String - Process type (Browser or Tab or GPU etc).
+* `memory` [MemoryInfo](memory-info.md) - Memory information for the process.
+* `cpu` [CPUUsage](cpu-usage.md) - CPU usage of the process.