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
|
/*
* Copyright (C) 2009 Max Matveev. All Rights Reserved
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <kvm.h>
#include <nlist.h>
#include "common.h"
static kvm_t *kvm;
struct nlist kvm_names[] = {
{.n_name = "fsf_total"},
{.n_name = NULL}
};
fsf_stat_t s = {0};
static int fresh;
void
kvm_init(int ignore)
{
kvm = kvm_open(NULL, NULL, NULL, O_RDONLY, "pmdasolaris");
if (kvm && kvm_nlist(kvm, kvm_names))
fprintf(stderr, "Cannot extract addresses\n");
}
void
kvm_refresh(void)
{
fresh = kvm &&
(kvm_kread(kvm, kvm_names[0].n_value, &s, sizeof(s)) == sizeof(s));
}
int
kvm_fetch(pmdaMetric *pm, int inst, pmAtomValue *v)
{
metricdesc_t *md = pm->m_user;
char *p = (char *)&s;
if (!fresh)
return 0;
memcpy(&v->ull, p + md->md_offset, sizeof(v->ull));
return 1;
}
|
