Fix opcontrol in timer mode...

http://oprofile.cvs.sourceforge.net/viewvc/oprofile/oprofile/utils/opcontrol?r1=1.164&r2=1.165&view=patch

Index: oprofile-0.9.5/utils/opcontrol
===================================================================
--- oprofile-0.9.5.orig/utils/opcontrol	2010-01-06 13:22:57.703663191 +0800
+++ oprofile-0.9.5/utils/opcontrol	2010-01-06 13:23:18.113667904 +0800
@@ -586,7 +587,7 @@
 # setup any needed default value in chosen events
 normalise_events()
 {
-	if test "$NR_CHOSEN" -le 0; then
+	if test "$NR_CHOSEN" -le 0 || test "$IS_TIMER" = 1; then
 		return
 	fi
 
@@ -1449,8 +1450,12 @@
 		--separate-thread=$SEPARATE_THREAD \
 		--separate-cpu=$SEPARATE_CPU"
 
-	if ! test -z "$OPROFILED_EVENTS"; then
-		OPD_ARGS="$OPD_ARGS --events=$OPROFILED_EVENTS"
+	if test "$IS_TIMER" = 1; then
+		OPD_ARGS="$OPD_ARGS --events="
+	else
+		if ! test -z "$OPROFILED_EVENTS"; then
+			OPD_ARGS="$OPD_ARGS --events=$OPROFILED_EVENTS"
+		fi
 	fi
 
 	if test "$VMLINUX" = "none"; then