/* * 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 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _FB_STATS_H #define _FB_STATS_H #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); void stats_multidump(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 */