/*
* 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.
*
* stats.c -- simple stats tracking table module
*
* this version of stats.c links with eft and implements the
* stats using the fmd's stats API.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <strings.h>
#include "stats.h"
#include "alloc.h"
#include "out.h"
#include "stats_impl.h"
#include <fm/fmd_api.h>
extern fmd_hdl_t *Hdl; /* handle from eft.c */
static int Ext; /* true if extended stats are enabled */
/*
* stats_init -- initialize the stats module
*
*/
void
stats_init(int ext)
{
Ext = ext;
}
void
stats_fini(void)
{
}
static struct stats *
stats_new(const char *name, const char *desc, enum stats_type t)
{
struct stats *ret = MALLOC(sizeof (*ret));
bzero(ret, sizeof (*ret));
ret->t = t;
(void) strlcpy(ret->fmd_stats.fmds_desc, desc,
sizeof (ret->fmd_stats.fmds_desc));
/* NULL name means generate a unique name */
if (name == NULL) {
static int uniqstat;
(void) snprintf(ret->fmd_stats.fmds_name,
sizeof (ret->fmd_stats.fmds_name),
"stat.rules%d", uniqstat++);
} else {
(void) strlcpy(ret->fmd_stats.fmds_name, name,
sizeof (ret->fmd_stats.fmds_name));
}
switch (t) {
case STATS_COUNTER:
ret->fmd_stats.fmds_type = FMD_TYPE_INT32;
break;
case STATS_ELAPSE:
ret->fmd_stats.fmds_type = FMD_TYPE_TIME;
break;
case STATS_STRING:
ret->fmd_stats.fmds_type = FMD_TYPE_STRING;
break;
default:
out(O_DIE, "stats_new: unknown type %d", t);
}
(void) fmd_stat_create(Hdl, FMD_STAT_NOALLOC, 1, &(ret->fmd_stats));
return (ret);
}
void
stats_delete(struct stats *sp)
{
if (sp == NULL)
return;
fmd_stat_destroy(Hdl, 1, &(sp->fmd_stats));
FREE(sp);
}
struct stats *
stats_new_counter(const char *name, const char *desc, int ext)
{
if (ext && !Ext)
return (NULL); /* extended stats not enabled */
return (stats_new(name, desc, STATS_COUNTER));
}
void
stats_counter_bump(struct stats *sp)
{
if (sp == NULL)
return;
ASSERT(sp->t == STATS_COUNTER);
sp->fmd_stats.fmds_value.i32++;
}
void
stats_counter_add(struct stats *sp, int n)
{
if (sp == NULL)
return;
ASSERT(sp->t == STATS_COUNTER);
sp->fmd_stats.fmds_value.i32 += n;
}
void
stats_counter_reset(struct stats *sp)
{
if (sp == NULL)
return;
ASSERT(sp->t == STATS_COUNTER);
sp->fmd_stats.fmds_value.i32 = 0;
}
int
stats_counter_value(struct stats *sp)
{
if (sp == NULL)
return (0);
ASSERT(sp->t == STATS_COUNTER);
return (sp->fmd_stats.fmds_value.i32);
}
struct stats *
stats_new_elapse(const char *name, const char *desc, int ext)
{
if (ext && !Ext)
return (NULL); /* extended stats not enabled */
return (stats_new(name, desc, STATS_ELAPSE));
}
void
stats_elapse_start(struct stats *sp)
{
if (sp == NULL)
return;
ASSERT(sp->t == STATS_ELAPSE);
sp->start = gethrtime();
}
void
stats_elapse_stop(struct stats *sp)
{
if (sp == NULL)
return;
ASSERT(sp->t == STATS_ELAPSE);
sp->stop = gethrtime();
sp->fmd_stats.fmds_value.ui64 = sp->stop - sp->start;
}
struct stats *
stats_new_string(const char *name, const char *desc, int ext)
{
struct stats *r;
if (ext && !Ext)
return (NULL); /* extended stats not enabled */
r = stats_new(name, desc, STATS_STRING);
return (r);
}
void
stats_string_set(struct stats *sp, const char *s)
{
if (sp == NULL)
return;
ASSERT(sp->t == STATS_STRING);
if (sp->fmd_stats.fmds_value.str)
fmd_hdl_strfree(Hdl, sp->fmd_stats.fmds_value.str);
sp->fmd_stats.fmds_value.str = fmd_hdl_strdup(Hdl, s, FMD_SLEEP);
}
/*
* stats_publish -- spew all stats
*
*/
void
stats_publish(void)
{
/* nothing to do for eft */
}