LBR Documentation: Added Detailed Guide for Collecting LBR Data on Intel(R) x86 Platforms
This patch introduces comprehensive documentation for collecting Last Branch Record (LBR)
data on Intel(R) x86 platforms. It includes detailed steps for LBR data collection,
providing specific commands and configurations required for accurate data collection.
Additionally, it offers background information on the Intel(R) Performance Monitoring Unit (PMU)
and explains the significance of LBR records and their use in performance analysis.
The documentation also features an example program demonstrating how to collect profile data for AutoFDO
(Automatic Feedback-Directed Optimization) and instructions on integrating the collected profiles
into the Android Open Source Project (AOSP) build process.
Bug: 345410289
Test: none
Change-Id: I0382710f6832db20da6ea9c9d329e84769801fcf
Signed-off-by: Jaishankar Rajendran <jaishankar.rajendran@intel.com>
4 files changed
