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      1  5184  ek110237 /*
      2  5184  ek110237  * CDDL HEADER START
      3  5184  ek110237  *
      4  5184  ek110237  * The contents of this file are subject to the terms of the
      5  5184  ek110237  * Common Development and Distribution License (the "License").
      6  5184  ek110237  * You may not use this file except in compliance with the License.
      7  5184  ek110237  *
      8  5184  ek110237  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  5184  ek110237  * or http://www.opensolaris.org/os/licensing.
     10  5184  ek110237  * See the License for the specific language governing permissions
     11  5184  ek110237  * and limitations under the License.
     12  5184  ek110237  *
     13  5184  ek110237  * When distributing Covered Code, include this CDDL HEADER in each
     14  5184  ek110237  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  5184  ek110237  * If applicable, add the following below this CDDL HEADER, with the
     16  5184  ek110237  * fields enclosed by brackets "[]" replaced with your own identifying
     17  5184  ek110237  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  5184  ek110237  *
     19  5184  ek110237  * CDDL HEADER END
     20  5184  ek110237  */
     21  5184  ek110237 /*
     22  7736    Andrew  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
     23  5184  ek110237  * Use is subject to license terms.
     24  5184  ek110237  */
     25  5184  ek110237 
     26  5184  ek110237 #ifndef	_FB_STATS_H
     27  5184  ek110237 #define	_FB_STATS_H
     28  5184  ek110237 
     29  5184  ek110237 #include "config.h"
     30  5184  ek110237 #ifdef HAVE_STDINT_H
     31  5184  ek110237 #include <stdint.h>
     32  5184  ek110237 #endif
     33  5184  ek110237 
     34  5184  ek110237 #ifdef	__cplusplus
     35  5184  ek110237 extern "C" {
     36  5184  ek110237 #endif
     37  5184  ek110237 
     38  5184  ek110237 var_t *stats_findvar(var_t *var, char *name);
     39  5184  ek110237 void stats_init(void);
     40  5184  ek110237 void stats_clear(void);
     41  5184  ek110237 void stats_snap(void);
     42  5184  ek110237 void stats_dump(char *filename);
     43  5184  ek110237 void stats_xmldump(char *filename);
     44  7736    Andrew void stats_multidump(char *filename);
     45  5184  ek110237 
     46  5184  ek110237 #ifndef HAVE_HRTIME
     47  5184  ek110237 /* typedef uint64_t hrtime_t; */
     48  5184  ek110237 #define	hrtime_t uint64_t
     49  5184  ek110237 #endif
     50  5184  ek110237 
     51  5184  ek110237 #define	STATS_VAR "stats."
     52  5184  ek110237 
     53  5184  ek110237 #define	FLOW_MSTATES 4
     54  5184  ek110237 #define	FLOW_MSTATE_LAT 0	/* Total service time of op */
     55  5184  ek110237 #define	FLOW_MSTATE_CPU 1	/* On-cpu time of op */
     56  5184  ek110237 #define	FLOW_MSTATE_WAIT 2	/* Wait-time, excluding waiting for CPU */
     57  5184  ek110237 #define	FLOW_MSTATE_OHEAD 3	/* overhead time, around op */
     58  5184  ek110237 
     59  5184  ek110237 typedef struct flowstats {
     60  5184  ek110237 	int		fs_children;	/* Number of contributors */
     61  5184  ek110237 	int		fs_active;	/* Number of active contributors */
     62  5184  ek110237 	int		fs_count;	/* Number of ops */
     63  5184  ek110237 	uint64_t	fs_rbytes;	/* Number of bytes  */
     64  5184  ek110237 	uint64_t	fs_wbytes;	/* Number of bytes  */
     65  5184  ek110237 	uint64_t	fs_bytes;	/* Number of bytes  */
     66  5184  ek110237 	uint64_t	fs_rcount;	/* Number of ops */
     67  5184  ek110237 	uint64_t	fs_wcount;	/* Number of ops */
     68  5184  ek110237 	hrtime_t	fs_stime;	/* Time stats for flow started */
     69  5184  ek110237 	hrtime_t	fs_etime;	/* Time stats for flow ended */
     70  5184  ek110237 	hrtime_t	fs_mstate[FLOW_MSTATES]; /* Microstate breakdown */
     71  5184  ek110237 	hrtime_t	fs_syscpu;	/* System wide cpu, global only */
     72  5184  ek110237 } flowstat_t;
     73  5184  ek110237 
     74  5184  ek110237 
     75  5184  ek110237 #define	IS_FLOW_IOP(x) (x->fo_stats.fs_rcount + x->fo_stats.fs_wcount)
     76  5184  ek110237 #define	STAT_IOPS(x)   ((x->fs_rcount) + (x->fs_wcount))
     77  5184  ek110237 #define	IS_FLOW_ACTIVE(x) (x->fo_stats.fs_count)
     78  5184  ek110237 #define	STAT_CPUTIME(x) (x->fs_cpu_op)
     79  5184  ek110237 #define	STAT_OHEADTIME(x) (x->fs_cpu_ohead)
     80  5184  ek110237 
     81  5184  ek110237 #ifdef	__cplusplus
     82  5184  ek110237 }
     83  5184  ek110237 #endif
     84  5184  ek110237 
     85  5184  ek110237 #endif	/* _FB_STATS_H */
     86