b2c4fcfddb
For some unknown reason all the 'info' structures were declared between macros and function prototypes rather than right after all the other structure declarations. Signed-off-by: Jim Warner <james.warner@comcast.net>
142 lines
4.8 KiB
C
142 lines
4.8 KiB
C
/*
|
|
* slabinfo.h - slab pools related declarations for libprocps
|
|
*
|
|
* Copyright (C) 1998-2005 Albert Cahalan
|
|
* Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
|
|
* Copyright (C) 2016-2021 Jim Warnerl <james.warner@comcast.net>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef PROCPS_SLABINFO_H
|
|
#define PROCPS_SLABINFO_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C "{
|
|
#endif
|
|
|
|
enum slabinfo_item {
|
|
SLABINFO_noop, // ( never altered )
|
|
SLABINFO_extra, // ( reset to zero )
|
|
// returns origin, see proc(5)
|
|
// ------- -------------------
|
|
SLAB_NAME, // str /proc/slabinfo
|
|
SLAB_NUM_OBJS, // u_int "
|
|
SLAB_ACTIVE_OBJS, // u_int "
|
|
SLAB_OBJ_SIZE, // u_int "
|
|
SLAB_OBJ_PER_SLAB, // u_int "
|
|
SLAB_NUMS_SLABS, // u_int "
|
|
SLAB_ACTIVE_SLABS, // u_int "
|
|
SLAB_PAGES_PER_SLAB, // u_int "
|
|
SLAB_PERCENT_USED, // u_int derived from ACTIVE_OBJS / NUM_OBJS
|
|
SLAB_SIZE_TOTAL, // ul_int derived from page size * NUM_OBJS * PAGES_PER_SLAB
|
|
|
|
SLABS_CACHES_TOTAL, // u_int derived from all caches
|
|
SLABS_CACHES_ACTIVE, // u_int "
|
|
SLABS_NUM_OBJS, // u_int "
|
|
SLABS_ACTIVE_OBJS, // u_int "
|
|
SLABS_OBJ_SIZE_AVG, // u_int "
|
|
SLABS_OBJ_SIZE_MIN, // u_int "
|
|
SLABS_OBJ_SIZE_MAX, // u_int "
|
|
SLABS_NUMS_SLABS, // u_int "
|
|
SLABS_ACTIVE_SLABS, // u_int "
|
|
SLABS_PAGES_TOTAL, // u_int "
|
|
SLABS_SIZE_ACTIVE, // ul_int "
|
|
SLABS_SIZE_TOTAL, // ul_int "
|
|
|
|
SLABS_DELTA_CACHES_TOTAL, // s_int derived from above
|
|
SLABS_DELTA_CACHES_ACTIVE, // s_int "
|
|
SLABS_DELTA_NUM_OBJS, // s_int "
|
|
SLABS_DELTA_ACTIVE_OBJS, // s_int "
|
|
SLABS_DELTA_OBJ_SIZE_AVG, // s_int "
|
|
SLABS_DELTA_OBJ_SIZE_MIN, // s_int "
|
|
SLABS_DELTA_OBJ_SIZE_MAX, // s_int "
|
|
SLABS_DELTA_NUMS_SLABS, // s_int "
|
|
SLABS_DELTA_ACTIVE_SLABS, // s_int "
|
|
SLABS_DELTA_PAGES_TOTAL, // s_int "
|
|
SLABS_DELTA_SIZE_ACTIVE, // s_int "
|
|
SLABS_DELTA_SIZE_TOTAL // s_int "
|
|
};
|
|
|
|
enum slabinfo_sort_order {
|
|
SLABINFO_SORT_ASCEND = +1,
|
|
SLABINFO_SORT_DESCEND = -1
|
|
};
|
|
|
|
|
|
struct slabinfo_result {
|
|
enum slabinfo_item item;
|
|
union {
|
|
signed int s_int;
|
|
unsigned int u_int;
|
|
unsigned long ul_int;
|
|
char *str;
|
|
} result;
|
|
};
|
|
|
|
struct slabinfo_stack {
|
|
struct slabinfo_result *head;
|
|
};
|
|
|
|
struct slabinfo_reaped {
|
|
int total;
|
|
struct slabinfo_stack **stacks;
|
|
};
|
|
|
|
struct slabinfo_info;
|
|
|
|
|
|
#define SLABINFO_GET( info, actual_enum, type ) ( { \
|
|
struct slabinfo_result *r = procps_slabinfo_get( info, actual_enum ); \
|
|
r ? r->result . type : 0; } )
|
|
|
|
#define SLABINFO_VAL( relative_enum, type, stack, info ) \
|
|
stack -> head [ relative_enum ] . result . type
|
|
|
|
|
|
int procps_slabinfo_new (struct slabinfo_info **info);
|
|
int procps_slabinfo_ref (struct slabinfo_info *info);
|
|
int procps_slabinfo_unref (struct slabinfo_info **info);
|
|
|
|
struct slabinfo_result *procps_slabinfo_get (
|
|
struct slabinfo_info *info,
|
|
enum slabinfo_item item);
|
|
|
|
struct slabinfo_reaped *procps_slabinfo_reap (
|
|
struct slabinfo_info *info,
|
|
enum slabinfo_item *items,
|
|
int numitems);
|
|
|
|
struct slabinfo_stack *procps_slabinfo_select (
|
|
struct slabinfo_info *info,
|
|
enum slabinfo_item *items,
|
|
int numitems);
|
|
|
|
struct slabinfo_stack **procps_slabinfo_sort (
|
|
struct slabinfo_info *info,
|
|
struct slabinfo_stack *stacks[],
|
|
int numstacked,
|
|
enum slabinfo_item sortitem,
|
|
enum slabinfo_sort_order order);
|
|
|
|
|
|
#ifdef XTRA_PROCPS_DEBUG
|
|
# include "xtra-procps-debug.h"
|
|
#endif
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|