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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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libc/log/memsummary.c Normal file
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/*-*- 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/log/log.h"
#include "libc/mem/mem.h"
#include "libc/stdio/stdio.h"
STATIC_YOINK("ntoa");
void memsummary(FILE *f) {
struct mallinfo mi = mallinfo();
(fprintf)(f,
"arena\t\t%,-12zu\t# space allocated from system\n"
"ordblks\t\t%,-12zu\t# number of free chunks\n"
"hblkhd\t\t%,-12zu\t# space in mmapped regions\n"
"usmblks\t\t%,-12zu\t# maximum total allocated space\n"
"uordblks\t%,-12zu\t# total allocated space\n"
"fordblks\t%,-12zu\t# total free space\n"
"keepcost\t%,-12zu\t# releasable (via malloc_trim) space\n\n",
mi.arena, mi.ordblks, mi.hblkhd, mi.usmblks, mi.uordblks,
mi.fordblks, mi.keepcost);
}