linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Slabinfo: Tool to get reports about slabs

 *

 * (C) 2007 sgi, Christoph Lameter

 * (C) 2011 Linux Foundation, Christoph Lameter

 *

 * Compile with:

 *

 * gcc -o slabinfo slabinfo.c

 */

#include <stdio.h>

#include <stdlib.h>

#include <sys/types.h>

#include <dirent.h>

#include <strings.h>

#include <string.h>

#include <unistd.h>

#include <stdarg.h>

#include <getopt.h>

#include <regex.h>

#include <errno.h>

​

#define MAX_SLABS 500

#define MAX_ALIASES 500

#define MAX_NODES 1024

​

struct slabinfo {

    char *name;

    int alias;

    int refs;

    int aliases, align, cache_dma, cpu_slabs, destroy_by_rcu;

    unsigned int hwcache_align, object_size, objs_per_slab;

    unsigned int sanity_checks, slab_size, store_user, trace;

    int order, poison, reclaim_account, red_zone;

    unsigned long partial, objects, slabs, objects_partial, objects_total;

    unsigned long alloc_fastpath, alloc_slowpath;

    unsigned long free_fastpath, free_slowpath;

    unsigned long free_frozen, free_add_partial, free_remove_partial;

    unsigned long alloc_from_partial, alloc_slab, free_slab, alloc_refill;

    unsigned long cpuslab_flush, deactivate_full, deactivate_empty;

    unsigned long deactivate_to_head, deactivate_to_tail;

    unsigned long deactivate_remote_frees, order_fallback;

    unsigned long cmpxchg_double_cpu_fail, cmpxchg_double_fail;

    unsigned long alloc_node_mismatch, deactivate_bypass;

    unsigned long cpu_partial_alloc, cpu_partial_free;

    int numa[MAX_NODES];

    int numa_partial[MAX_NODES];

} slabinfo[MAX_SLABS];

​

struct aliasinfo {

    char *name;

    char *ref;

    struct slabinfo *slab;

} aliasinfo[MAX_ALIASES];

​

int slabs;

int actual_slabs;

int aliases;

int alias_targets;

int highest_node;

​

char buffer[4096];