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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2008-2010 WiredTiger, Inc.
* All rights reserved.
*
* $Id$
*/
#include "wt_internal.h"
/*
* __wt_db_stat_print --
* Print DB handle statistics to a stream.
*/
int
__wt_db_stat_print(WT_TOC *toc, FILE *stream)
{
DB *db;
ENV *env;
IDB *idb;
db = toc->db;
env = toc->env;
idb = db->idb;
fprintf(stream, "Database handle statistics: %s\n", idb->name);
__wt_stat_print(env, idb->stats, stream);
/* Clear the database stats, then call Btree stat to fill them in. */
__wt_stat_clear_database_stats(idb->dstats);
WT_STAT_SET(
idb->dstats, TREE_LEVEL, idb->root_page->hdr->level);
WT_RET(__wt_bt_stat_desc(toc));
/*
* Note we do not have a hazard reference for the root page, and that's
* safe -- root pages are pinned into memory when a database is opened,
* and never re-written until the database is closed.
*/
WT_RET(__wt_bt_tree_walk(
toc, idb->root_addr, idb->root_size, __wt_bt_stat_page, NULL));
fprintf(stream, "Database statistics: %s\n", idb->name);
__wt_stat_print(env, idb->dstats, stream);
/* Underlying file handle statistics. */
if (idb->fh != NULL) {
fprintf(stream,
"Underlying file I/O statistics: %s\n", idb->name);
__wt_stat_print(env, idb->fh->stats, stream);
}
return (0);
}
/*
* __wt_db_stat_clear --
* Clear DB handle statistics.
*/
int
__wt_db_stat_clear(DB *db)
{
IDB *idb;
idb = db->idb;
__wt_stat_clear_db_stats(idb->stats);
__wt_stat_clear_database_stats(idb->dstats);
if (idb->fh != NULL)
__wt_stat_clear_fh_stats(idb->fh->stats);
return (0);
}
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