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
|
/* Copyright (C) 2017 Robert Roth
This file is part of LibGTop.
Contributed by Robert Roth <robert.roth.off@gmail.com>, February 2017.
LibGTop 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.
LibGTop 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 LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procdiskio.h>
#include "glibtop_private.h"
static const unsigned long _glibtop_sysdeps_proc_diskio =
(1L << GLIBTOP_PROC_DISKIO_RCHAR) + (1L << GLIBTOP_PROC_DISKIO_WCHAR) +
(1L << GLIBTOP_PROC_DISKIO_RBYTES) + (1L << GLIBTOP_PROC_DISKIO_WBYTES);
/* Init function. */
void
_glibtop_init_proc_diskio_s (glibtop *server)
{
server->sysdeps.proc_diskio = _glibtop_sysdeps_proc_diskio;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_diskio_s (glibtop *server, glibtop_proc_diskio *buf, pid_t pid)
{
char buffer [BUFSIZ], *p;
memset (buf, 0, sizeof (glibtop_proc_diskio));
if (server->os_version_code < LINUX_VERSION_CODE(2, 6, 20))
return;
if (proc_file_to_buffer(buffer, sizeof buffer, "/proc/%d/io", pid))
return;
p = skip_token (buffer);
buf->rchar = g_ascii_strtoull (p, &p, 10);
p = skip_line (p);
p = skip_token (p);
buf->wchar = g_ascii_strtoull (p, &p, 10);
p = skip_line (p);
p = skip_line (p);
p = skip_line (p);
p = skip_token (p);
buf->rbytes = g_ascii_strtoull (p, &p, 10);
p = skip_line (p);
p = skip_token (p);
buf->wbytes = g_ascii_strtoull (p, &p, 10);
buf->flags = _glibtop_sysdeps_proc_diskio;
}
|
