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36 lines
2.5 KiB
C
36 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/log/log.h"
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#include "libc/mem/mem.h"
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void memsummary(int fd) {
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struct mallinfo mi;
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mi = mallinfo();
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(dprintf)(fd,
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"arena\t\t%,-12zu\t# space allocated from system\n"
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"ordblks\t\t%,-12zu\t# number of free chunks\n"
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"hblkhd\t\t%,-12zu\t# space in mmapped regions\n"
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"usmblks\t\t%,-12zu\t# maximum total allocated space\n"
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"uordblks\t%,-12zu\t# total allocated space\n"
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"fordblks\t%,-12zu\t# total free space\n"
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"keepcost\t%,-12zu\t# releasable (via malloc_trim) space\n\n",
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mi.arena, mi.ordblks, mi.hblkhd, mi.usmblks, mi.uordblks,
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mi.fordblks, mi.keepcost);
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}
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