1 files changed, 36 insertions, 0 deletions
diff --git a/libglusterfs/src/latency.h b/libglusterfs/src/latency.h
new file mode 100644
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+++ b/libglusterfs/src/latency.h
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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__ */