1 files changed, 66 insertions, 0 deletions
diff --git a/support-files/dtrace/query-rowops.d b/support-files/dtrace/query-rowops.d
new file mode 100644
index 00000000000..a16f3df90f4
--- /dev/null
+++ b/support-files/dtrace/query-rowops.d
@@ -0,0 +1,66 @@
+#!/usr/sbin/dtrace -s
+#
+# Calculates the time (and operations) for accessing data from individual
+# rows for each query
+
+#pragma D option quiet
+
+dtrace:::BEGIN
+{
+   printf("%-2s %-10s %-10s %9s %9s %-s \n",
+          "St", "Who", "DB", "ConnID", "Dur ms", "Query");
+}
+
+mysql*:::query-start
+{
+   self->query = copyinstr(arg0);
+   self->who   = strjoin(copyinstr(arg3),strjoin("@",copyinstr(arg4)));
+   self->db    = copyinstr(arg2);
+   self->connid = arg1;
+   self->querystart = timestamp;
+   self->rowdur = 0;
+}
+
+mysql*:::query-done
+{
+   this->elapsed = (timestamp - self->querystart) /1000000;
+   printf("%2d %-10s %-10s %9d %9d %s\n",
+          arg0, self->who, self->db,
+          self->connid, this->elapsed, self->query);
+}
+
+mysql*:::query-done
+/ self->rowdur /
+{
+   printf("%34s %9d %s\n", "", (self->rowdur/1000000), "-> Row ops");
+}
+
+mysql*:::insert-row-start
+{
+   self->rowstart = timestamp;
+}
+
+mysql*:::delete-row-start
+{
+   self->rowstart = timestamp;
+}
+
+mysql*:::update-row-start
+{
+   self->rowstart = timestamp;
+}
+
+mysql*:::insert-row-done
+{
+   self->rowdur += (timestamp-self->rowstart);
+}
+
+mysql*:::delete-row-done
+{
+   self->rowdur += (timestamp-self->rowstart);
+}
+
+mysql*:::update-row-done
+{
+   self->rowdur += (timestamp-self->rowstart);
+}