/* * slabinfo.h - slab related functions for libproc * * Copyright (C) 1998-2005 Albert Cahalan * Copyright (C) 2015 Craig Small * Copyright (C) 2016 Jim Warnerl * * 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 _PROC_SLAB_H #define _PROC_SLAB_H #include __BEGIN_DECLS enum slabinfo_item { PROCPS_SLABINFO_noop, // ( never altered ) PROCPS_SLABINFO_extra, // ( reset to zero ) PROCPS_SLABS_OBJS, // u_int PROCPS_SLABS_AOBJS, // u_int PROCPS_SLABS_PAGES, // u_int PROCPS_SLABS_SLABS, // u_int PROCPS_SLABS_ASLABS, // u_int PROCPS_SLABS_CACHES, // u_int PROCPS_SLABS_ACACHES, // u_int PROCPS_SLABS_SIZE_AVG, // u_int PROCPS_SLABS_SIZE_MIN, // u_int PROCPS_SLABS_SIZE_MAX, // u_int PROCPS_SLABS_SIZE_ACTIVE, // ul_int PROCPS_SLABS_SIZE_TOTAL, // ul_int PROCPS_SLABS_DELTA_OBJS, // s_int PROCPS_SLABS_DELTA_AOBJS, // s_int PROCPS_SLABS_DELTA_PAGES, // s_int PROCPS_SLABS_DELTA_SLABS, // s_int PROCPS_SLABS_DELTA_ASLABS, // s_int PROCPS_SLABS_DELTA_CACHES, // s_int PROCPS_SLABS_DELTA_ACACHES, // s_int PROCPS_SLABS_DELTA_SIZE_AVG, // s_int PROCPS_SLABS_DELTA_SIZE_MIN, // s_int PROCPS_SLABS_DELTA_SIZE_MAX, // s_int PROCPS_SLABS_DELTA_SIZE_ACTIVE, // s_int PROCPS_SLABS_DELTA_SIZE_TOTAL, // s_int PROCPS_SLABNODE_NAME, // str PROCPS_SLABNODE_OBJS, // u_int PROCPS_SLABNODE_AOBJS, // u_int PROCPS_SLABNODE_OBJ_SIZE, // u_int PROCPS_SLABNODE_OBJS_PER_SLAB, // u_int PROCPS_SLABNODE_PAGES_PER_SLAB, // u_int PROCPS_SLABNODE_SLABS, // u_int PROCPS_SLABNODE_ASLABS, // u_int PROCPS_SLABNODE_USE, // u_int PROCPS_SLABNODE_SIZE // ul_int }; enum slabinfo_sort_order { PROCPS_SLABINFO_ASCEND = +1, PROCPS_SLABINFO_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_reap { int total; struct slabinfo_stack **stacks; }; #define PROCPS_SLABINFO_GET( info, actual_enum, type ) \ procps_slabinfo_get( info, actual_enum ) -> result . type #define PROCPS_SLABINFO_VAL( relative_enum, type, stack ) \ stack -> head [ relative_enum ] . result . type struct slabinfo_info; 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_reap *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); __END_DECLS #endif /* _PROC_SLAB_H */