summaryrefslogtreecommitdiffstats
path: root/lib/util/talloc_report_printf.c
blob: 3011c62536eb7e4e1a1b3881bd18f672e2134de1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/*
 * talloc_report into a FILE
 *
 * Copyright Volker Lendecke <vl@samba.org> 2015
 *
 * 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; either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include "replace.h"
#include "talloc_report_printf.h"

static void talloc_report_printf_helper(
	const void *ptr,
	int depth,
	int max_depth,
	int is_ref,
	void *private_data)
{
	FILE *f = private_data;
	const char *name = talloc_get_name(ptr);

	if (is_ref) {
		fprintf(f,
			"%*sreference to: %s\n",
			depth*4,
			"",
			name);
		return;
	}

	if (depth == 0) {
		fprintf(f,
			"%stalloc report on '%s' "
			"(total %6zu bytes in %3zu blocks)\n",
			(max_depth < 0 ? "full " :""), name,
			talloc_total_size(ptr),
			talloc_total_blocks(ptr));
		return;
	}

	if (strcmp(name, "char") == 0) {
		/*
		 * Print out the first 50 bytes of the string
		 */
		fprintf(f,
			"%*s%-30s contains %6zu bytes in %3zu blocks "
			"(ref %zu): %*s\n", depth*4, "", name,
			talloc_total_size(ptr),
			talloc_total_blocks(ptr),
			talloc_reference_count(ptr),
			(int)MIN(50, talloc_get_size(ptr)),
			(const char *)ptr);
		return;
	}

	fprintf(f,
		"%*s%-30s contains %6zu bytes in %3zu blocks (ref %zu) %p\n",
		depth*4, "", name,
		talloc_total_size(ptr),
		talloc_total_blocks(ptr),
		talloc_reference_count(ptr),
		ptr);
}

void talloc_full_report_printf(TALLOC_CTX *root, FILE *f)
{
	talloc_report_depth_cb(root, 0, -1, talloc_report_printf_helper, f);
#if defined(HAVE_MALLINFO2)
	{
		struct mallinfo2 mi2 = mallinfo2();

		fprintf(f,
			"mallinfo:\n"
			"    arena: %zu\n"
			"    ordblks: %zu\n"
			"    smblks: %zu\n"
			"    hblks: %zu\n"
			"    hblkhd: %zu\n"
			"    usmblks: %zu\n"
			"    fsmblks: %zu\n"
			"    uordblks: %zu\n"
			"    fordblks: %zu\n"
			"    keepcost: %zu\n",
			mi2.arena,
			mi2.ordblks,
			mi2.smblks,
			mi2.hblks,
			mi2.hblkhd,
			mi2.usmblks,
			mi2.fsmblks,
			mi2.uordblks,
			mi2.fordblks,
			mi2.keepcost);
	}
#elif defined(HAVE_MALLINFO)
	{
		struct mallinfo mi = mallinfo();

		fprintf(f,
			"mallinfo:\n"
			"    arena: %d\n"
			"    ordblks: %d\n"
			"    smblks: %d\n"
			"    hblks: %d\n"
			"    hblkhd: %d\n"
			"    usmblks: %d\n"
			"    fsmblks: %d\n"
			"    uordblks: %d\n"
			"    fordblks: %d\n"
			"    keepcost: %d\n",
			mi.arena,
			mi.ordblks,
			mi.smblks,
			mi.hblks,
			mi.hblkhd,
			mi.usmblks,
			mi.fsmblks,
			mi.uordblks,
			mi.fordblks,
			mi.keepcost);
	}
#endif /* HAVE_MALLINFO2 or HAVE_MALLINFO */
}