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/fs/xfs/xfs_stats.h

https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t
C Header | 223 lines | 183 code | 14 blank | 26 comment | 1 complexity | 74f5141684adfd5212e25e7b7c9adb3d MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
  1/*
  2 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
  3 * All Rights Reserved.
  4 *
  5 * This program is free software; you can redistribute it and/or
  6 * modify it under the terms of the GNU General Public License as
  7 * published by the Free Software Foundation.
  8 *
  9 * This program is distributed in the hope that it would be useful,
 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 12 * GNU General Public License for more details.
 13 *
 14 * You should have received a copy of the GNU General Public License
 15 * along with this program; if not, write the Free Software Foundation,
 16 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 17 */
 18#ifndef __XFS_STATS_H__
 19#define __XFS_STATS_H__
 20
 21
 22#if defined(CONFIG_PROC_FS) && !defined(XFS_STATS_OFF)
 23
 24#include <linux/percpu.h>
 25
 26/*
 27 * XFS global statistics
 28 */
 29struct xfsstats {
 30# define XFSSTAT_END_EXTENT_ALLOC	4
 31	__uint32_t		xs_allocx;
 32	__uint32_t		xs_allocb;
 33	__uint32_t		xs_freex;
 34	__uint32_t		xs_freeb;
 35# define XFSSTAT_END_ALLOC_BTREE	(XFSSTAT_END_EXTENT_ALLOC+4)
 36	__uint32_t		xs_abt_lookup;
 37	__uint32_t		xs_abt_compare;
 38	__uint32_t		xs_abt_insrec;
 39	__uint32_t		xs_abt_delrec;
 40# define XFSSTAT_END_BLOCK_MAPPING	(XFSSTAT_END_ALLOC_BTREE+7)
 41	__uint32_t		xs_blk_mapr;
 42	__uint32_t		xs_blk_mapw;
 43	__uint32_t		xs_blk_unmap;
 44	__uint32_t		xs_add_exlist;
 45	__uint32_t		xs_del_exlist;
 46	__uint32_t		xs_look_exlist;
 47	__uint32_t		xs_cmp_exlist;
 48# define XFSSTAT_END_BLOCK_MAP_BTREE	(XFSSTAT_END_BLOCK_MAPPING+4)
 49	__uint32_t		xs_bmbt_lookup;
 50	__uint32_t		xs_bmbt_compare;
 51	__uint32_t		xs_bmbt_insrec;
 52	__uint32_t		xs_bmbt_delrec;
 53# define XFSSTAT_END_DIRECTORY_OPS	(XFSSTAT_END_BLOCK_MAP_BTREE+4)
 54	__uint32_t		xs_dir_lookup;
 55	__uint32_t		xs_dir_create;
 56	__uint32_t		xs_dir_remove;
 57	__uint32_t		xs_dir_getdents;
 58# define XFSSTAT_END_TRANSACTIONS	(XFSSTAT_END_DIRECTORY_OPS+3)
 59	__uint32_t		xs_trans_sync;
 60	__uint32_t		xs_trans_async;
 61	__uint32_t		xs_trans_empty;
 62# define XFSSTAT_END_INODE_OPS		(XFSSTAT_END_TRANSACTIONS+7)
 63	__uint32_t		xs_ig_attempts;
 64	__uint32_t		xs_ig_found;
 65	__uint32_t		xs_ig_frecycle;
 66	__uint32_t		xs_ig_missed;
 67	__uint32_t		xs_ig_dup;
 68	__uint32_t		xs_ig_reclaims;
 69	__uint32_t		xs_ig_attrchg;
 70# define XFSSTAT_END_LOG_OPS		(XFSSTAT_END_INODE_OPS+5)
 71	__uint32_t		xs_log_writes;
 72	__uint32_t		xs_log_blocks;
 73	__uint32_t		xs_log_noiclogs;
 74	__uint32_t		xs_log_force;
 75	__uint32_t		xs_log_force_sleep;
 76# define XFSSTAT_END_TAIL_PUSHING	(XFSSTAT_END_LOG_OPS+10)
 77	__uint32_t		xs_try_logspace;
 78	__uint32_t		xs_sleep_logspace;
 79	__uint32_t		xs_push_ail;
 80	__uint32_t		xs_push_ail_success;
 81	__uint32_t		xs_push_ail_pushbuf;
 82	__uint32_t		xs_push_ail_pinned;
 83	__uint32_t		xs_push_ail_locked;
 84	__uint32_t		xs_push_ail_flushing;
 85	__uint32_t		xs_push_ail_restarts;
 86	__uint32_t		xs_push_ail_flush;
 87# define XFSSTAT_END_WRITE_CONVERT	(XFSSTAT_END_TAIL_PUSHING+2)
 88	__uint32_t		xs_xstrat_quick;
 89	__uint32_t		xs_xstrat_split;
 90# define XFSSTAT_END_READ_WRITE_OPS	(XFSSTAT_END_WRITE_CONVERT+2)
 91	__uint32_t		xs_write_calls;
 92	__uint32_t		xs_read_calls;
 93# define XFSSTAT_END_ATTRIBUTE_OPS	(XFSSTAT_END_READ_WRITE_OPS+4)
 94	__uint32_t		xs_attr_get;
 95	__uint32_t		xs_attr_set;
 96	__uint32_t		xs_attr_remove;
 97	__uint32_t		xs_attr_list;
 98# define XFSSTAT_END_INODE_CLUSTER	(XFSSTAT_END_ATTRIBUTE_OPS+3)
 99	__uint32_t		xs_iflush_count;
100	__uint32_t		xs_icluster_flushcnt;
101	__uint32_t		xs_icluster_flushinode;
102# define XFSSTAT_END_VNODE_OPS		(XFSSTAT_END_INODE_CLUSTER+8)
103	__uint32_t		vn_active;	/* # vnodes not on free lists */
104	__uint32_t		vn_alloc;	/* # times vn_alloc called */
105	__uint32_t		vn_get;		/* # times vn_get called */
106	__uint32_t		vn_hold;	/* # times vn_hold called */
107	__uint32_t		vn_rele;	/* # times vn_rele called */
108	__uint32_t		vn_reclaim;	/* # times vn_reclaim called */
109	__uint32_t		vn_remove;	/* # times vn_remove called */
110	__uint32_t		vn_free;	/* # times vn_free called */
111#define XFSSTAT_END_BUF			(XFSSTAT_END_VNODE_OPS+9)
112	__uint32_t		xb_get;
113	__uint32_t		xb_create;
114	__uint32_t		xb_get_locked;
115	__uint32_t		xb_get_locked_waited;
116	__uint32_t		xb_busy_locked;
117	__uint32_t		xb_miss_locked;
118	__uint32_t		xb_page_retries;
119	__uint32_t		xb_page_found;
120	__uint32_t		xb_get_read;
121/* Version 2 btree counters */
122#define XFSSTAT_END_ABTB_V2		(XFSSTAT_END_BUF+15)
123	__uint32_t		xs_abtb_2_lookup;
124	__uint32_t		xs_abtb_2_compare;
125	__uint32_t		xs_abtb_2_insrec;
126	__uint32_t		xs_abtb_2_delrec;
127	__uint32_t		xs_abtb_2_newroot;
128	__uint32_t		xs_abtb_2_killroot;
129	__uint32_t		xs_abtb_2_increment;
130	__uint32_t		xs_abtb_2_decrement;
131	__uint32_t		xs_abtb_2_lshift;
132	__uint32_t		xs_abtb_2_rshift;
133	__uint32_t		xs_abtb_2_split;
134	__uint32_t		xs_abtb_2_join;
135	__uint32_t		xs_abtb_2_alloc;
136	__uint32_t		xs_abtb_2_free;
137	__uint32_t		xs_abtb_2_moves;
138#define XFSSTAT_END_ABTC_V2		(XFSSTAT_END_ABTB_V2+15)
139	__uint32_t		xs_abtc_2_lookup;
140	__uint32_t		xs_abtc_2_compare;
141	__uint32_t		xs_abtc_2_insrec;
142	__uint32_t		xs_abtc_2_delrec;
143	__uint32_t		xs_abtc_2_newroot;
144	__uint32_t		xs_abtc_2_killroot;
145	__uint32_t		xs_abtc_2_increment;
146	__uint32_t		xs_abtc_2_decrement;
147	__uint32_t		xs_abtc_2_lshift;
148	__uint32_t		xs_abtc_2_rshift;
149	__uint32_t		xs_abtc_2_split;
150	__uint32_t		xs_abtc_2_join;
151	__uint32_t		xs_abtc_2_alloc;
152	__uint32_t		xs_abtc_2_free;
153	__uint32_t		xs_abtc_2_moves;
154#define XFSSTAT_END_BMBT_V2		(XFSSTAT_END_ABTC_V2+15)
155	__uint32_t		xs_bmbt_2_lookup;
156	__uint32_t		xs_bmbt_2_compare;
157	__uint32_t		xs_bmbt_2_insrec;
158	__uint32_t		xs_bmbt_2_delrec;
159	__uint32_t		xs_bmbt_2_newroot;
160	__uint32_t		xs_bmbt_2_killroot;
161	__uint32_t		xs_bmbt_2_increment;
162	__uint32_t		xs_bmbt_2_decrement;
163	__uint32_t		xs_bmbt_2_lshift;
164	__uint32_t		xs_bmbt_2_rshift;
165	__uint32_t		xs_bmbt_2_split;
166	__uint32_t		xs_bmbt_2_join;
167	__uint32_t		xs_bmbt_2_alloc;
168	__uint32_t		xs_bmbt_2_free;
169	__uint32_t		xs_bmbt_2_moves;
170#define XFSSTAT_END_IBT_V2		(XFSSTAT_END_BMBT_V2+15)
171	__uint32_t		xs_ibt_2_lookup;
172	__uint32_t		xs_ibt_2_compare;
173	__uint32_t		xs_ibt_2_insrec;
174	__uint32_t		xs_ibt_2_delrec;
175	__uint32_t		xs_ibt_2_newroot;
176	__uint32_t		xs_ibt_2_killroot;
177	__uint32_t		xs_ibt_2_increment;
178	__uint32_t		xs_ibt_2_decrement;
179	__uint32_t		xs_ibt_2_lshift;
180	__uint32_t		xs_ibt_2_rshift;
181	__uint32_t		xs_ibt_2_split;
182	__uint32_t		xs_ibt_2_join;
183	__uint32_t		xs_ibt_2_alloc;
184	__uint32_t		xs_ibt_2_free;
185	__uint32_t		xs_ibt_2_moves;
186/* Extra precision counters */
187	__uint64_t		xs_xstrat_bytes;
188	__uint64_t		xs_write_bytes;
189	__uint64_t		xs_read_bytes;
190};
191
192DECLARE_PER_CPU(struct xfsstats, xfsstats);
193
194/*
195 * We don't disable preempt, not too worried about poking the
196 * wrong CPU's stat for now (also aggregated before reporting).
197 */
198#define XFS_STATS_INC(v)	(per_cpu(xfsstats, current_cpu()).v++)
199#define XFS_STATS_DEC(v)	(per_cpu(xfsstats, current_cpu()).v--)
200#define XFS_STATS_ADD(v, inc)	(per_cpu(xfsstats, current_cpu()).v += (inc))
201
202extern int xfs_init_procfs(void);
203extern void xfs_cleanup_procfs(void);
204
205
206#else	/* !CONFIG_PROC_FS */
207
208# define XFS_STATS_INC(count)
209# define XFS_STATS_DEC(count)
210# define XFS_STATS_ADD(count, inc)
211
212static inline int xfs_init_procfs(void)
213{
214	return 0;
215}
216
217static inline void xfs_cleanup_procfs(void)
218{
219}
220
221#endif	/* !CONFIG_PROC_FS */
222
223#endif /* __XFS_STATS_H__ */