Add note to documentation about Perfetto workaround (#103)

Users viewing the "latest" documentation may still be using a version of omnitrace / rocprofiler-systems prior to 6.3.1. Re-add this warning so it is easier to find a workaround.

README.md

@@ -7,6 +7,9 @@
 [![Installer Packaging (CPack)](https://github.com/ROCm/rocprofiler-systems/actions/workflows/cpack.yml/badge.svg)](https://github.com/ROCm/rocprofiler-systems/actions/workflows/cpack.yml)
 [![Documentation](https://github.com/ROCm/rocprofiler-systems/actions/workflows/docs.yml/badge.svg)](https://github.com/ROCm/rocprofiler-systems/actions/workflows/docs.yml)
 
+> [!NOTE]
+> If you are using a version of ROCm prior to ROCm 6.3.1 and are experiencing problems viewing your trace in the latest version of [Perfetto](http://ui.perfetto.dev), then try using [Perfetto UI v46.0](https://ui.perfetto.dev/v46.0-35b3d9845/#!/).
+
 ## Overview
 
 ROCm Systems Profiler (rocprofiler-systems), formerly Omnitrace, is a comprehensive profiling and tracing tool for parallel applications written in C, C++, Fortran, HIP, OpenCL, and Python which execute on the CPU or CPU+GPU.

docs/what-is-rocprof-sys.rst

@@ -15,6 +15,11 @@ A visualization of the comprehensive ROCm Systems Profiler results can be observ
 web browser. Upload the Perfetto (``.proto``) output files produced by ROCm Systems Profiler at
 `ui.perfetto.dev <https://ui.perfetto.dev/>`_ to see the details.
 
+.. important::
+   If you are using a version of ROCm prior to ROCm 6.3.1 and are experiencing problems viewing your
+   trace in the latest version of [Perfetto](http://ui.perfetto.dev), then try using
+   [Perfetto UI v46.0](https://ui.perfetto.dev/v46.0-35b3d9845/#!/).
+
 Aggregated high-level results are available as human-readable text files and
 JSON files for programmatic analysis. The JSON output files are compatible with the
 `hatchet <https://github.com/hatchet/hatchet>`_ Python package. Hatchet converts