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Diffstat (limited to 'libglusterfs/src/glusterfs/latency.h')
| -rw-r--r-- | libglusterfs/src/glusterfs/latency.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libglusterfs/src/glusterfs/latency.h b/libglusterfs/src/glusterfs/latency.h new file mode 100644 index 00000000000..4d601bbcbd6 --- /dev/null +++ b/libglusterfs/src/glusterfs/latency.h @@ -0,0 +1,33 @@ +/* + 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 <inttypes.h> +#include <time.h> + +typedef struct _gf_latency { + uint64_t min; /* min time for the call (nanoseconds) */ + uint64_t max; /* max time for the call (nanoseconds) */ + uint64_t total; /* total time (nanoseconds) */ + uint64_t count; +} gf_latency_t; + +gf_latency_t * +gf_latency_new(size_t n); + +void +gf_latency_reset(gf_latency_t *lat); + +void +gf_latency_update(gf_latency_t *lat, struct timespec *begin, + struct timespec *end); +#endif /* __LATENCY_H__ */ |