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Diffstat (limited to 'libglusterfs/src/latency.h')
| -rw-r--r-- | libglusterfs/src/latency.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libglusterfs/src/latency.h b/libglusterfs/src/latency.h new file mode 100644 index 000000000..81acbf484 --- /dev/null +++ b/libglusterfs/src/latency.h @@ -0,0 +1,28 @@ +/* + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef __LATENCY_H__ +#define __LATENCY_H__ + +#include "glusterfs.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, glusterfs_ctx_t *ctx); + +#endif /* __LATENCY_H__ */ |