stats.h revision f2fc321be9b4df7748e8c31a5edd154b0177b139
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _FB_STATS_H
#define _FB_STATS_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include "config.h"
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
var_t *stats_findvar(var_t *var, char *name);
void stats_init(void);
void stats_clear(void);
void stats_snap(void);
void stats_dump(char *filename);
void stats_xmldump(char *filename);
#ifndef HAVE_HRTIME
/* typedef uint64_t hrtime_t; */
#define hrtime_t uint64_t
#endif
#define STATS_VAR "stats."
#define FLOW_MSTATES 4
#define FLOW_MSTATE_LAT 0 /* Total service time of op */
#define FLOW_MSTATE_CPU 1 /* On-cpu time of op */
#define FLOW_MSTATE_WAIT 2 /* Wait-time, excluding waiting for CPU */
#define FLOW_MSTATE_OHEAD 3 /* overhead time, around op */
typedef struct flowstats {
int fs_children; /* Number of contributors */
int fs_active; /* Number of active contributors */
int fs_count; /* Number of ops */
uint64_t fs_rbytes; /* Number of bytes */
uint64_t fs_wbytes; /* Number of bytes */
uint64_t fs_bytes; /* Number of bytes */
uint64_t fs_rcount; /* Number of ops */
uint64_t fs_wcount; /* Number of ops */
hrtime_t fs_stime; /* Time stats for flow started */
hrtime_t fs_etime; /* Time stats for flow ended */
hrtime_t fs_mstate[FLOW_MSTATES]; /* Microstate breakdown */
hrtime_t fs_syscpu; /* System wide cpu, global only */
} flowstat_t;
#define IS_FLOW_IOP(x) (x->fo_stats.fs_rcount + x->fo_stats.fs_wcount)
#define STAT_IOPS(x) ((x->fs_rcount) + (x->fs_wcount))
#define IS_FLOW_ACTIVE(x) (x->fo_stats.fs_count)
#define STAT_CPUTIME(x) (x->fs_cpu_op)
#define STAT_OHEADTIME(x) (x->fs_cpu_ohead)
#ifdef __cplusplus
}
#endif
#endif /* _FB_STATS_H */