826 #ifndef PRODUCT
827 static int deps_find_witness_calls = 0;
828 static int deps_find_witness_steps = 0;
829 static int deps_find_witness_recursions = 0;
830 static int deps_find_witness_singles = 0;
831 static int deps_find_witness_print = 0; // set to -1 to force a final print
832 static bool count_find_witness_calls() {
833 if (TraceDependencies || LogCompilation) {
834 int pcount = deps_find_witness_print + 1;
835 bool final_stats = (pcount == 0);
836 bool initial_call = (pcount == 1);
837 bool occasional_print = ((pcount & ((1<<10) - 1)) == 0);
838 if (pcount < 0) pcount = 1; // crude overflow protection
839 deps_find_witness_print = pcount;
840 if (VerifyDependencies && initial_call) {
841 tty->print_cr("Warning: TraceDependencies results may be inflated by VerifyDependencies");
842 }
843 if (occasional_print || final_stats) {
844 // Every now and then dump a little info about dependency searching.
845 if (xtty != NULL) {
846 xtty->elem("deps_find_witness calls='%d' steps='%d' recursions='%d' singles='%d'",
847 deps_find_witness_calls,
848 deps_find_witness_steps,
849 deps_find_witness_recursions,
850 deps_find_witness_singles);
851 }
852 if (final_stats || (TraceDependencies && WizardMode)) {
853 tty->print_cr("Dependency check (find_witness) "
854 "calls=%d, steps=%d (avg=%.1f), recursions=%d, singles=%d",
855 deps_find_witness_calls,
856 deps_find_witness_steps,
857 (double)deps_find_witness_steps / deps_find_witness_calls,
858 deps_find_witness_recursions,
859 deps_find_witness_singles);
860 }
861 }
862 return true;
863 }
864 return false;
865 }
866 #else
867 #define count_find_witness_calls() (0)
868 #endif //PRODUCT
869
870
871 klassOop ClassHierarchyWalker::find_witness_in(DepChange& changes,
872 klassOop context_type,
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826 #ifndef PRODUCT
827 static int deps_find_witness_calls = 0;
828 static int deps_find_witness_steps = 0;
829 static int deps_find_witness_recursions = 0;
830 static int deps_find_witness_singles = 0;
831 static int deps_find_witness_print = 0; // set to -1 to force a final print
832 static bool count_find_witness_calls() {
833 if (TraceDependencies || LogCompilation) {
834 int pcount = deps_find_witness_print + 1;
835 bool final_stats = (pcount == 0);
836 bool initial_call = (pcount == 1);
837 bool occasional_print = ((pcount & ((1<<10) - 1)) == 0);
838 if (pcount < 0) pcount = 1; // crude overflow protection
839 deps_find_witness_print = pcount;
840 if (VerifyDependencies && initial_call) {
841 tty->print_cr("Warning: TraceDependencies results may be inflated by VerifyDependencies");
842 }
843 if (occasional_print || final_stats) {
844 // Every now and then dump a little info about dependency searching.
845 if (xtty != NULL) {
846 ttyLocker ttyl;
847 xtty->elem("deps_find_witness calls='%d' steps='%d' recursions='%d' singles='%d'",
848 deps_find_witness_calls,
849 deps_find_witness_steps,
850 deps_find_witness_recursions,
851 deps_find_witness_singles);
852 }
853 if (final_stats || (TraceDependencies && WizardMode)) {
854 ttyLocker ttyl;
855 tty->print_cr("Dependency check (find_witness) "
856 "calls=%d, steps=%d (avg=%.1f), recursions=%d, singles=%d",
857 deps_find_witness_calls,
858 deps_find_witness_steps,
859 (double)deps_find_witness_steps / deps_find_witness_calls,
860 deps_find_witness_recursions,
861 deps_find_witness_singles);
862 }
863 }
864 return true;
865 }
866 return false;
867 }
868 #else
869 #define count_find_witness_calls() (0)
870 #endif //PRODUCT
871
872
873 klassOop ClassHierarchyWalker::find_witness_in(DepChange& changes,
874 klassOop context_type,
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