Add profiling of spinlocks

[ghc-hetmet.git] / rts / sm / Evac.h

diff --git a/rts/sm/Evac.h b/rts/sm/Evac.h
index 33ee4c5..1bce74a 100644 (file)
--- a/rts/sm/Evac.h
+++ b/rts/sm/Evac.h
@@ -31,3 +31,7 @@ REGPARM1 void evacuate  (StgClosure **p);
 REGPARM1 void evacuate0 (StgClosure **p);
 
 extern lnat thunk_selector_depth;
+
+#if defined(PROF_SPIN) && defined(THREADED_RTS)
+StgWord64 whitehole_spin;
+#endif