X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Ftools%2Fperf%2Futil%2Fxyarray.c;fp=kernel%2Ftools%2Fperf%2Futil%2Fxyarray.c;h=c10ba41ef3f6298eb77e624f7f1b14f41555c36c;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=22afbf6c536adbb291f4ee87a35edf970722fc5a;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/tools/perf/util/xyarray.c b/kernel/tools/perf/util/xyarray.c
index 22afbf6c5..c10ba41ef 100644
--- a/kernel/tools/perf/util/xyarray.c
+++ b/kernel/tools/perf/util/xyarray.c
@@ -9,11 +9,19 @@ struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size)
 	if (xy != NULL) {
 		xy->entry_size = entry_size;
 		xy->row_size   = row_size;
+		xy->entries    = xlen * ylen;
 	}
 
 	return xy;
 }
 
+void xyarray__reset(struct xyarray *xy)
+{
+	size_t n = xy->entries * xy->entry_size;
+
+	memset(xy->contents, 0, n);
+}
+
 void xyarray__delete(struct xyarray *xy)
 {
 	free(xy);