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https://github.com/samba-team/samba.git
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b3146763a4
Prefer mallinfo2() with 'size_t' fields over deprecated mallinfo() (with 'int' fields which may wrap around zero and so be inaccurate on a 64-bit system) and move relevant checks to lib/util/wscript_configure because mallinfo() is not used beyond 'samba-util'. Suggested-by: Andreas Schneider <asn@samba.org> Signed-off-by: Dmitry Antipov <dantipov@cloudlinux.com> Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
135 lines
2.9 KiB
C
135 lines
2.9 KiB
C
/*
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* talloc_report into a FILE
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*
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* Copyright Volker Lendecke <vl@samba.org> 2015
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "replace.h"
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#include "talloc_report_printf.h"
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static void talloc_report_printf_helper(
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const void *ptr,
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int depth,
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int max_depth,
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int is_ref,
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void *private_data)
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{
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FILE *f = private_data;
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const char *name = talloc_get_name(ptr);
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if (is_ref) {
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fprintf(f,
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"%*sreference to: %s\n",
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depth*4,
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"",
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name);
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return;
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}
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if (depth == 0) {
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fprintf(f,
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"%stalloc report on '%s' "
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"(total %6zu bytes in %3zu blocks)\n",
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(max_depth < 0 ? "full " :""), name,
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talloc_total_size(ptr),
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talloc_total_blocks(ptr));
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return;
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}
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if (strcmp(name, "char") == 0) {
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/*
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* Print out the first 50 bytes of the string
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*/
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fprintf(f,
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"%*s%-30s contains %6zu bytes in %3zu blocks "
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"(ref %zu): %*s\n", depth*4, "", name,
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talloc_total_size(ptr),
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talloc_total_blocks(ptr),
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talloc_reference_count(ptr),
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(int)MIN(50, talloc_get_size(ptr)),
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(const char *)ptr);
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return;
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}
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fprintf(f,
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"%*s%-30s contains %6zu bytes in %3zu blocks (ref %zu) %p\n",
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depth*4, "", name,
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talloc_total_size(ptr),
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talloc_total_blocks(ptr),
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talloc_reference_count(ptr),
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ptr);
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}
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void talloc_full_report_printf(TALLOC_CTX *root, FILE *f)
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{
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talloc_report_depth_cb(root, 0, -1, talloc_report_printf_helper, f);
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#if defined(HAVE_MALLINFO2)
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{
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struct mallinfo2 mi2 = mallinfo2();
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fprintf(f,
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"mallinfo:\n"
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" arena: %zu\n"
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" ordblks: %zu\n"
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" smblks: %zu\n"
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" hblks: %zu\n"
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" hblkhd: %zu\n"
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" usmblks: %zu\n"
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" fsmblks: %zu\n"
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" uordblks: %zu\n"
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" fordblks: %zu\n"
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" keepcost: %zu\n",
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mi2.arena,
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mi2.ordblks,
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mi2.smblks,
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mi2.hblks,
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mi2.hblkhd,
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mi2.usmblks,
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mi2.fsmblks,
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mi2.uordblks,
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mi2.fordblks,
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mi2.keepcost);
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}
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#elif defined(HAVE_MALLINFO)
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{
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struct mallinfo mi = mallinfo();
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fprintf(f,
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"mallinfo:\n"
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" arena: %d\n"
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" ordblks: %d\n"
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" smblks: %d\n"
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" hblks: %d\n"
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" hblkhd: %d\n"
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" usmblks: %d\n"
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" fsmblks: %d\n"
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" uordblks: %d\n"
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" fordblks: %d\n"
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" keepcost: %d\n",
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mi.arena,
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mi.ordblks,
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mi.smblks,
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mi.hblks,
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mi.hblkhd,
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mi.usmblks,
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mi.fsmblks,
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mi.uordblks,
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mi.fordblks,
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mi.keepcost);
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}
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#endif /* HAVE_MALLINFO2 or HAVE_MALLINFO */
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}
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