1 files changed, 63 insertions, 0 deletions
diff --git a/support-files/dtrace/query-filesort-time.d b/support-files/dtrace/query-filesort-time.d
new file mode 100644
index 00000000..3bffd078
--- /dev/null
+++ b/support-files/dtrace/query-filesort-time.d
@@ -0,0 +1,63 @@
+#!/usr/sbin/dtrace -s
+#
+# Copyright (c) 2009 Sun Microsystems, Inc.
+# Use is subject to license terms.
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA
+#
+# Show the time taken for a query, including the time taken to 
+# sort the results using filesort 
+
+#pragma D option quiet
+
+dtrace:::BEGIN
+{
+   printf("%-2s %-10s %-10s %9s %18s %-s \n",
+          "St", "Who", "DB", "ConnID", "Dur microsec", "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->filesort = 0;
+   self->fsdb = "";
+   self->fstable = "";
+}
+
+mysql*:::filesort-start
+{
+  self->filesort = timestamp;
+  self->fsdb = copyinstr(arg0);
+  self->fstable = copyinstr(arg1);
+}
+
+mysql*:::filesort-done
+{
+   this->elapsed = (timestamp - self->filesort) /1000;
+   printf("%2d %-10s %-10s %9d %18d Filesort on %s\n",
+          arg0, self->who, self->fsdb,
+          self->connid, this->elapsed, self->fstable);
+}
+
+mysql*:::query-done
+{
+   this->elapsed = (timestamp - self->querystart) /1000;
+   printf("%2d %-10s %-10s %9d %18d %s\n",
+          arg0, self->who, self->db,
+          self->connid, this->elapsed, self->query);
+}