profilage_code.md

@@ -368,7 +368,11 @@ SCOREP_REGION_NAMES_END
 The next step is to export the `SCOREP_FILTERING_FILE` environment variable and point to the `scorep.filt` file:
 
 ```
+# For runtime filtering
 export SCOREP_FILTERING_FILE=/path/to/scorep.filt
+
+# For compile time-filtering
+export SCOREP_WRAPPER_INSTRUMENTER_FLAGS="--instrument-filter=scorep.filt"
 ```
 
 With this variable defined, the user can recompile the code.