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/*
* Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#include "xfs.h"
struct xfsstats xfsstats;
STATIC int
xfs_read_xfsstats(
char *buffer,
char **start,
off_t offset,
int count,
int *eof,
void *data)
{
int i, j, len;
static struct xstats_entry {
char *desc;
int endpoint;
} xstats[] = {
{ "extent_alloc", XFSSTAT_END_EXTENT_ALLOC },
{ "abt", XFSSTAT_END_ALLOC_BTREE },
{ "blk_map", XFSSTAT_END_BLOCK_MAPPING },
{ "bmbt", XFSSTAT_END_BLOCK_MAP_BTREE },
{ "dir", XFSSTAT_END_DIRECTORY_OPS },
{ "trans", XFSSTAT_END_TRANSACTIONS },
{ "ig", XFSSTAT_END_INODE_OPS },
{ "log", XFSSTAT_END_LOG_OPS },
{ "push_ail", XFSSTAT_END_TAIL_PUSHING },
{ "xstrat", XFSSTAT_END_WRITE_CONVERT },
{ "rw", XFSSTAT_END_READ_WRITE_OPS },
{ "attr", XFSSTAT_END_ATTRIBUTE_OPS },
{ "icluster", XFSSTAT_END_INODE_CLUSTER },
{ "vnodes", XFSSTAT_END_VNODE_OPS },
};
for (i=j=len = 0; i < sizeof(xstats)/sizeof(struct xstats_entry); i++) {
len += sprintf(buffer + len, xstats[i].desc);
/* inner loop does each group */
while (j < xstats[i].endpoint) {
len += sprintf(buffer + len, " %u",
*(((__u32*)&xfsstats) + j));
j++;
}
buffer[len++] = '\n';
}
/* extra precision counters */
len += sprintf(buffer + len, "xpc %ju %ju %ju\n",
(uintmax_t)xfsstats.xs_xstrat_bytes,
(uintmax_t)xfsstats.xs_write_bytes,
(uintmax_t)xfsstats.xs_read_bytes);
if (offset >= len) {
*start = buffer;
*eof = 1;
return 0;
}
*start = buffer + offset;
if ((len -= offset) > count)
return count;
*eof = 1;
return len;
}
void
xfs_init_procfs(void)
{
if (&xfs_read_xfsstats != NULL);
}
void
xfs_cleanup_procfs(void)
{
}
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