8336258: Document the behavior of 'exclude' and 'compileonly' with respect to inlining

Reviewed-by: thartmann, jkarthikeyan

Author: simonis

src/hotspot/share/compiler/compilerOracle.cpp

@@ -637,6 +637,10 @@ static void usage() {
   tty->print_cr("and 'compileonly'. There is no priority of commands. Applying (a subset of) these");
   tty->print_cr("commands to the same method results in undefined behavior.");
   tty->cr();
+  tty->print_cr("The 'exclude' command excludes methods from top-level compilations as well as");
+  tty->print_cr("from inlining, whereas the 'compileonly' command only excludes methods from");
+  tty->print_cr("top-level compilations (i.e. they can still be inlined into other compilation units).");
+  tty->cr();
 };
 
 static int skip_whitespace(char* &line) {