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+/*
+ Copyright (c) 2009 Gluster, Inc. <http://www.gluster.com>
+ This file is part of GlusterFS.
+
+ GlusterFS 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; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS 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, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __LATENCY_H__
+#define __LATENCY_H__
+
+
+typedef struct fop_latency {
+ uint64_t min; /* min time for the call (microseconds) */
+ uint64_t max; /* max time for the call (microseconds) */
+ double total; /* total time (microseconds) */
+ double std; /* standard deviation */
+ double mean; /* mean (microseconds) */
+ uint64_t count;
+} fop_latency_t;
+
+void
+gf_latency_toggle (int signum);
+
+#endif /* __LATENCY_H__ */