# PerformanceMeasurementSmm

| Field       | Value                              |
|-------------|------------------------------------|
| Index       | 247                                |
| Module      | PerformanceMeasurementSmm          |
| Size        | 6788 bytes (6.6 KB)               |
| Phase       | SMM                                |

## Overview

PerformanceMeasurementSmm is a SMM driver that provides firmware performance
measurement and logging capabilities within System Management Mode. It records
timing data for critical SMM operations, enabling performance analysis and
bottleneck identification during platform initialization and runtime.

The driver initializes the performance measurement infrastructure in SMM context
and returns the setup status.

## Key Functions

- **ModuleEntryPoint** -- SMM driver entry point that initializes the
  performance measurement and logging subsystem.

## Dependencies

- UEFI PI SMM Protocol
- Firmware performance data table (FPDT) infrastructure
- Timer and measurement libraries

## Platform

- **Machine**: x86-64 (PE32+)
- **Subsystem**: UEFI (0x000B)
- **Sections**: .text, .rdata, .data, section_3, .xdata