[3.11] gh-91795: Update build optimization part of PCbuild/readme.txt (GH-91849)...

(cherry picked from commit 906b73be5eada1995bd667a02c59f7a11998310f)

Co-authored-by: Fatih <77548106+fatihkabakk@users.noreply.github.com>

diff --git a/PCbuild/readme.txt b/PCbuild/readme.txt
index e9a0917227467177ab4042df9e94ef3cde9874c2..092b2cc8c1a7f711c1b9a3d3c9200602ed1d2451 100644 (file)
--- a/PCbuild/readme.txt
+++ b/PCbuild/readme.txt
@@ -250,9 +250,11 @@ against a profiling library and contain extra debug information. The
 PGUpdate configuration takes the profiling data and generates optimized
 binaries.
 
-The build_pgo.bat script automates the creation of optimized binaries.
-It creates the PGI files, runs the unit test suite or PyBench with the
-PGI python, and finally creates the optimized files.
+The build.bat script has an argument `--pgo` that automate the creation
+of optimized binaries.
+It creates the PGI files, runs the unit test suite with the PGI python,
+and finally creates the optimized files.
+You can customize the job for profiling with `--pgo-job <job>` option.
 
 See
     https://docs.microsoft.com/en-us/cpp/build/profile-guided-optimizations