# Get frame timing data

> Get frame time data with a custom Profiler module, or using the FrameTimingManager API.

You can get frame timing data from the `FrameTiming` API in the following ways:

* [Use a custom Profiler module](#use-a-custom-profiler-module)
* [Use the `FrameTiming` API](#use-the-frametiming-api)

To get frame timing data from release builds, you must first enable the [Frame Timing Stats property](/engine/6000.6/manual/analysis/graphics-performance-profiling/profile-rendering/frame-timing-manager/enable.md).

## Use a custom Profiler module

To view frame timing data in a [custom Profiler module](/engine/6000.6/manual/analysis/profiler/customizing/creating-custom-modules/create-modules.md) perform the following steps:

1. Create a custom profiler module according to the instructions on [Creating a custom profiler module](/engine/6000.6/manual/analysis/profiler/customizing/creating-custom-modules/create-modules.md).
2. Open the **Profiler** window (**Window** > **Analysis** > **Profiler**)
3. Open the **Profiler Module Editor** (**Profler Modules** dropdown > gear icon) and select your custom Profiler module.
4. In the **Available Counters** panel, select **Unity**.
5. Select **Render** to open the submenu that contains Profiler counters related to memory usage, which includes those that the `FrameTimingStats` property enables. You can then click on the relevant counters in the submenu to add them to your custom module.

For a list of available counters, refer to [Profiler counters reference](/engine/6000.6/manual/analysis/profiler/counters-reference.md).

The [Highlights Profiler module](/engine/6000.6/manual/analysis/profiler/visualizing-data/highlights.md) uses `FrameTiming` to determine whether a frame is CPU or GPU bound.

## Use the FrameTiming API

Use the `FrameTiming` API to access timestamp information. In each variable, `FrameTimingManager` records the time a specific event happens during a frame.

The following table contains the values available through the API, in the order that Unity executes them during a frame:

| **Property**                                                                                              | **Description**                                                                          |
| --------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------- |
| [`frameStartTimestamp`](/engine/6000.6/script-reference/unityengine/frametiming/framestarttimestamp.md)   | The CPU timestamp time when the frame begins.                                            |
| [`firstSubmitTimestamp`](/engine/6000.6/script-reference/unityengine/frametiming/firstsubmittimestamp.md) | The CPU timestamp time when Unity submits the first job to the GPU during this frame.    |
| [`cpuTimePresentCalled`](/engine/6000.6/script-reference/unityengine/frametiming/cputimepresentcalled.md) | The CPU timestamp time when Unity calls the Present() function for the current frame.    |
| [`cpuTimeFrameComplete`](/engine/6000.6/script-reference/unityengine/frametiming/cputimeframecomplete.md) | The CPU timestamp time when the GPU finishes rendering the frame and interrupts the CPU. |

Use [`FrameTimingManager.GetCpuTimerFrequency`](/engine/6000.6/script-reference/unityengine/frametimingmanager/getcputimerfrequency.md) API to convert the timestamp to seconds.

## Additional resources

* [Enable frame timing statistics for release builds](/engine/6000.6/manual/analysis/graphics-performance-profiling/profile-rendering/frame-timing-manager/enable.md)
* [Frame timing API counter reference](/engine/6000.6/manual/analysis/graphics-performance-profiling/profile-rendering/frame-timing-manager/counter-reference.md)