cosmopolitan/libc/log/malloc_stats.c

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ This program is free software; you can redistribute it and/or modify         │
│ it under the terms of the GNU General Public License as published by         │
│ the Free Software Foundation; version 2 of the License.                      │
│                                                                              │
│ This program 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             │
│ General Public License for more details.                                     │
│                                                                              │
│ You should have received a copy of the GNU General Public License            │
│ along with this program; if not, write to the Free Software                  │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
│ 02110-1301 USA                                                               │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/mem/mem.h"
#include "libc/stdio/stdio.h"
#include "third_party/dlmalloc/dlmalloc.internal.h"

STATIC_YOINK("ntoa");

void malloc_stats(void) {
  struct MallocStats res = dlmalloc_stats(g_dlmalloc);
  (fprintf)(stderr, "max system bytes = %'10zu\r\n", res.maxfp);
  (fprintf)(stderr, "system bytes     = %'10zu\r\n", res.fp);
  (fprintf)(stderr, "in use bytes     = %'10zu\r\n", res.used);
}