ae4b686745
With the new perspective on potential uses of a 'noop' enumerator (or whatever we decide to call it) there is no longer a need to provide for any extra 'user' space in the stack header structures used by slab & meminfo. Signed-off-by: Jim Warner <james.warner@comcast.net>
134 lines
3.9 KiB
C
134 lines
3.9 KiB
C
/*
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* slab.h - slab related functions for libproc
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*
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* Copyright (C) 1998-2005 Albert Cahalan
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* Copyright (C) 2015 Craig Small <csmall@enc.com.au>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _PROC_SLAB_H
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#define _PROC_SLAB_H
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__BEGIN_DECLS
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enum slabs_item {
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PROCPS_SLABS_OBJS, // u_int
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PROCPS_SLABS_AOBJS, // u_int
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PROCPS_SLABS_PAGES, // u_int
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PROCPS_SLABS_SLABS, // u_int
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PROCPS_SLABS_ASLABS, // u_int
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PROCPS_SLABS_CACHES, // u_int
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PROCPS_SLABS_ACACHES, // u_int
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PROCPS_SLABS_SIZE_AVG, // u_int
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PROCPS_SLABS_SIZE_MIN, // u_int
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PROCPS_SLABS_SIZE_MAX, // u_int
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PROCPS_SLABS_SIZE_TOTAL, // ul_int
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PROCPS_SLABS_SIZE_ACTIVE, // ul_int
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PROCPS_SLABS_noop, // n/a
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PROCPS_SLABS_stack_end // n/a
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};
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enum slabnode_item {
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PROCPS_SLABNODE_SIZE, // ul_int
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PROCPS_SLABNODE_OBJS, // u_int
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PROCPS_SLABNODE_AOBJS, // u_int
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PROCPS_SLABNODE_OBJ_SIZE, // u_int
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PROCPS_SLABNODE_OBJS_PER_SLAB, // u_int
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PROCPS_SLABNODE_PAGES_PER_SLAB, // u_int
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PROCPS_SLABNODE_SLABS, // u_int
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PROCPS_SLABNODE_ASLABS, // u_int
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PROCPS_SLABNODE_USE, // u_int
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PROCPS_SLABNODE_NAME, // str
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PROCPS_SLABNODE_noop, // n/a
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PROCPS_SLABNODE_stack_end // n/a
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};
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struct procps_slabinfo;
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struct slabnode_stack {
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struct slab_result *head;
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};
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struct slab_result {
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int item;
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union {
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unsigned int u_int;
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unsigned long ul_int;
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char *str;
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} result;
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};
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int procps_slabinfo_new (struct procps_slabinfo **info);
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int procps_slabinfo_read (struct procps_slabinfo *info);
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int procps_slabinfo_ref (struct procps_slabinfo *info);
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int procps_slabinfo_unref (struct procps_slabinfo **info);
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unsigned long procps_slabs_get (
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struct procps_slabinfo *info,
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enum slabs_item item);
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int procps_slabs_getstack (
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struct procps_slabinfo *info,
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struct slab_result *these);
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int procps_slabnode_count (struct procps_slabinfo *info);
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const char *procps_slabnode_getname (
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struct procps_slabinfo *info,
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int nodeid);
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unsigned long procps_slabnode_get (
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struct procps_slabinfo *info,
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enum slabnode_item item,
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int nodeid);
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int procps_slabnode_getstack (
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struct procps_slabinfo *info,
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struct slab_result *these,
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int nodeid);
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int procps_slabnode_stack_fill (
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struct procps_slabinfo *info,
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struct slabnode_stack *stack,
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int nodeid);
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int procps_slabnode_stacks_fill (
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struct procps_slabinfo *info,
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struct slabnode_stack **stacks,
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int maxstacks);
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struct slabnode_stack *procps_slabnode_stack_alloc (
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struct procps_slabinfo *info,
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int maxitems,
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enum slabnode_item *items);
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struct slabnode_stack **procps_slabnode_stacks_alloc (
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struct procps_slabinfo *info,
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int maxstacks,
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int maxitems,
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enum slabnode_item *items);
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struct slabnode_stack **procps_slabnode_stacks_sort (
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struct procps_slabinfo *info,
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struct slabnode_stack **stacks,
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int numstacked,
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enum slabnode_item sort);
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__END_DECLS
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#endif /* _PROC_SLAB_H */
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