update VS Profiler docs after the symbols loading has changed (#1005)

dotnet · Nov 5, 2019 · f81914c · f81914c
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diff --git a/docs/img/vs_profiler_load_module_symbols.png b/docs/img/vs_profiler_load_module_symbols.png
diff --git a/docs/img/vs_profiler_source_info_not_available.png b/docs/img/vs_profiler_source_info_not_available.png
diff --git a/docs/profiling-workflow-corefx.md b/docs/profiling-workflow-corefx.md
@@ -222,6 +222,16 @@ Or just sort the methods by exclusive CPU time by clicking on the `Self CPU` col
 
 ![Most time consuming](img/vs_profiler_6_sort_by_self_cpu_time.png)
 
+Visual Studio Profiler 2019 has changed the default policy for loading symbol files.
+
+If you see "Source information is not available" message:
+
+![Source information is not available](img/vs_profiler_source_info_not_available.png)
+
+You need to switch to "Call Tree" view, right click on a method from given module and choose "Load Module Symbols" from the menu:
+
+![Load Module Symbols](img/vs_profiler_load_module_symbols.png)
+
 If you have configured everything properly you are able to see the CPU time spent per source code line!
 
 ![External code](img/vs_profiler_7_source_code.png)