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![David Chinner](/assets/img/avatar_default.png)
From: Dave Chinner <dgc@sgi.com> Introduce statistics coverage of all the btrees and cover all the btree operations, not just some. Invaluable for determining test code coverage of all the btree operations.... SGI-PV: 985583 SGI-Modid: xfs-linux-melb:xfs-kern:32184a Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Bill O'Donnell <billodo@sgi.com>
223 lines
7 KiB
C
223 lines
7 KiB
C
/*
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* Copyright (c) 2000,2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_STATS_H__
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#define __XFS_STATS_H__
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#if defined(CONFIG_PROC_FS) && !defined(XFS_STATS_OFF)
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#include <linux/percpu.h>
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/*
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* XFS global statistics
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*/
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struct xfsstats {
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# define XFSSTAT_END_EXTENT_ALLOC 4
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__uint32_t xs_allocx;
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__uint32_t xs_allocb;
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__uint32_t xs_freex;
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__uint32_t xs_freeb;
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# define XFSSTAT_END_ALLOC_BTREE (XFSSTAT_END_EXTENT_ALLOC+4)
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__uint32_t xs_abt_lookup;
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__uint32_t xs_abt_compare;
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__uint32_t xs_abt_insrec;
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__uint32_t xs_abt_delrec;
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# define XFSSTAT_END_BLOCK_MAPPING (XFSSTAT_END_ALLOC_BTREE+7)
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__uint32_t xs_blk_mapr;
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__uint32_t xs_blk_mapw;
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__uint32_t xs_blk_unmap;
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__uint32_t xs_add_exlist;
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__uint32_t xs_del_exlist;
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__uint32_t xs_look_exlist;
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__uint32_t xs_cmp_exlist;
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# define XFSSTAT_END_BLOCK_MAP_BTREE (XFSSTAT_END_BLOCK_MAPPING+4)
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__uint32_t xs_bmbt_lookup;
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__uint32_t xs_bmbt_compare;
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__uint32_t xs_bmbt_insrec;
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__uint32_t xs_bmbt_delrec;
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# define XFSSTAT_END_DIRECTORY_OPS (XFSSTAT_END_BLOCK_MAP_BTREE+4)
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__uint32_t xs_dir_lookup;
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__uint32_t xs_dir_create;
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__uint32_t xs_dir_remove;
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__uint32_t xs_dir_getdents;
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# define XFSSTAT_END_TRANSACTIONS (XFSSTAT_END_DIRECTORY_OPS+3)
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__uint32_t xs_trans_sync;
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__uint32_t xs_trans_async;
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__uint32_t xs_trans_empty;
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# define XFSSTAT_END_INODE_OPS (XFSSTAT_END_TRANSACTIONS+7)
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__uint32_t xs_ig_attempts;
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__uint32_t xs_ig_found;
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__uint32_t xs_ig_frecycle;
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__uint32_t xs_ig_missed;
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__uint32_t xs_ig_dup;
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__uint32_t xs_ig_reclaims;
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__uint32_t xs_ig_attrchg;
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# define XFSSTAT_END_LOG_OPS (XFSSTAT_END_INODE_OPS+5)
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__uint32_t xs_log_writes;
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__uint32_t xs_log_blocks;
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__uint32_t xs_log_noiclogs;
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__uint32_t xs_log_force;
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__uint32_t xs_log_force_sleep;
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# define XFSSTAT_END_TAIL_PUSHING (XFSSTAT_END_LOG_OPS+10)
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__uint32_t xs_try_logspace;
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__uint32_t xs_sleep_logspace;
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__uint32_t xs_push_ail;
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__uint32_t xs_push_ail_success;
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__uint32_t xs_push_ail_pushbuf;
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__uint32_t xs_push_ail_pinned;
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__uint32_t xs_push_ail_locked;
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__uint32_t xs_push_ail_flushing;
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__uint32_t xs_push_ail_restarts;
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__uint32_t xs_push_ail_flush;
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# define XFSSTAT_END_WRITE_CONVERT (XFSSTAT_END_TAIL_PUSHING+2)
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__uint32_t xs_xstrat_quick;
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__uint32_t xs_xstrat_split;
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# define XFSSTAT_END_READ_WRITE_OPS (XFSSTAT_END_WRITE_CONVERT+2)
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__uint32_t xs_write_calls;
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__uint32_t xs_read_calls;
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# define XFSSTAT_END_ATTRIBUTE_OPS (XFSSTAT_END_READ_WRITE_OPS+4)
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__uint32_t xs_attr_get;
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__uint32_t xs_attr_set;
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__uint32_t xs_attr_remove;
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__uint32_t xs_attr_list;
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# define XFSSTAT_END_INODE_CLUSTER (XFSSTAT_END_ATTRIBUTE_OPS+3)
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__uint32_t xs_iflush_count;
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__uint32_t xs_icluster_flushcnt;
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__uint32_t xs_icluster_flushinode;
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# define XFSSTAT_END_VNODE_OPS (XFSSTAT_END_INODE_CLUSTER+8)
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__uint32_t vn_active; /* # vnodes not on free lists */
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__uint32_t vn_alloc; /* # times vn_alloc called */
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__uint32_t vn_get; /* # times vn_get called */
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__uint32_t vn_hold; /* # times vn_hold called */
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__uint32_t vn_rele; /* # times vn_rele called */
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__uint32_t vn_reclaim; /* # times vn_reclaim called */
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__uint32_t vn_remove; /* # times vn_remove called */
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__uint32_t vn_free; /* # times vn_free called */
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#define XFSSTAT_END_BUF (XFSSTAT_END_VNODE_OPS+9)
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__uint32_t xb_get;
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__uint32_t xb_create;
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__uint32_t xb_get_locked;
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__uint32_t xb_get_locked_waited;
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__uint32_t xb_busy_locked;
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__uint32_t xb_miss_locked;
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__uint32_t xb_page_retries;
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__uint32_t xb_page_found;
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__uint32_t xb_get_read;
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/* Version 2 btree counters */
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#define XFSSTAT_END_ABTB_V2 (XFSSTAT_END_BUF+15)
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__uint32_t xs_abtb_2_lookup;
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__uint32_t xs_abtb_2_compare;
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__uint32_t xs_abtb_2_insrec;
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__uint32_t xs_abtb_2_delrec;
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__uint32_t xs_abtb_2_newroot;
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__uint32_t xs_abtb_2_killroot;
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__uint32_t xs_abtb_2_increment;
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__uint32_t xs_abtb_2_decrement;
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__uint32_t xs_abtb_2_lshift;
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__uint32_t xs_abtb_2_rshift;
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__uint32_t xs_abtb_2_split;
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__uint32_t xs_abtb_2_join;
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__uint32_t xs_abtb_2_alloc;
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__uint32_t xs_abtb_2_free;
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__uint32_t xs_abtb_2_moves;
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#define XFSSTAT_END_ABTC_V2 (XFSSTAT_END_ABTB_V2+15)
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__uint32_t xs_abtc_2_lookup;
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__uint32_t xs_abtc_2_compare;
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__uint32_t xs_abtc_2_insrec;
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__uint32_t xs_abtc_2_delrec;
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__uint32_t xs_abtc_2_newroot;
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__uint32_t xs_abtc_2_killroot;
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__uint32_t xs_abtc_2_increment;
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__uint32_t xs_abtc_2_decrement;
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__uint32_t xs_abtc_2_lshift;
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__uint32_t xs_abtc_2_rshift;
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__uint32_t xs_abtc_2_split;
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__uint32_t xs_abtc_2_join;
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__uint32_t xs_abtc_2_alloc;
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__uint32_t xs_abtc_2_free;
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__uint32_t xs_abtc_2_moves;
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#define XFSSTAT_END_BMBT_V2 (XFSSTAT_END_ABTC_V2+15)
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__uint32_t xs_bmbt_2_lookup;
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__uint32_t xs_bmbt_2_compare;
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__uint32_t xs_bmbt_2_insrec;
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__uint32_t xs_bmbt_2_delrec;
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__uint32_t xs_bmbt_2_newroot;
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__uint32_t xs_bmbt_2_killroot;
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__uint32_t xs_bmbt_2_increment;
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__uint32_t xs_bmbt_2_decrement;
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__uint32_t xs_bmbt_2_lshift;
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__uint32_t xs_bmbt_2_rshift;
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__uint32_t xs_bmbt_2_split;
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__uint32_t xs_bmbt_2_join;
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__uint32_t xs_bmbt_2_alloc;
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__uint32_t xs_bmbt_2_free;
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__uint32_t xs_bmbt_2_moves;
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#define XFSSTAT_END_IBT_V2 (XFSSTAT_END_BMBT_V2+15)
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__uint32_t xs_ibt_2_lookup;
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__uint32_t xs_ibt_2_compare;
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__uint32_t xs_ibt_2_insrec;
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__uint32_t xs_ibt_2_delrec;
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__uint32_t xs_ibt_2_newroot;
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__uint32_t xs_ibt_2_killroot;
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__uint32_t xs_ibt_2_increment;
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__uint32_t xs_ibt_2_decrement;
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__uint32_t xs_ibt_2_lshift;
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__uint32_t xs_ibt_2_rshift;
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__uint32_t xs_ibt_2_split;
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__uint32_t xs_ibt_2_join;
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__uint32_t xs_ibt_2_alloc;
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__uint32_t xs_ibt_2_free;
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__uint32_t xs_ibt_2_moves;
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/* Extra precision counters */
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__uint64_t xs_xstrat_bytes;
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__uint64_t xs_write_bytes;
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__uint64_t xs_read_bytes;
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};
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DECLARE_PER_CPU(struct xfsstats, xfsstats);
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/*
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* We don't disable preempt, not too worried about poking the
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* wrong CPU's stat for now (also aggregated before reporting).
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*/
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#define XFS_STATS_INC(v) (per_cpu(xfsstats, current_cpu()).v++)
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#define XFS_STATS_DEC(v) (per_cpu(xfsstats, current_cpu()).v--)
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#define XFS_STATS_ADD(v, inc) (per_cpu(xfsstats, current_cpu()).v += (inc))
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extern int xfs_init_procfs(void);
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extern void xfs_cleanup_procfs(void);
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#else /* !CONFIG_PROC_FS */
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# define XFS_STATS_INC(count)
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# define XFS_STATS_DEC(count)
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# define XFS_STATS_ADD(count, inc)
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static inline int xfs_init_procfs(void)
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{
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return 0;
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}
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static inline void xfs_cleanup_procfs(void)
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{
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}
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#endif /* !CONFIG_PROC_FS */
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#endif /* __XFS_STATS_H__ */
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