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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <locale.h>
#include <libintl.h>
#include <stdio.h>
#include <glibtop.h>
#include <glibtop/open.h>
#include <glibtop/close.h>
#include <glibtop/parameter.h>
#include <glibtop/procmap.h>
#include <sys/resource.h>
#include <sys/mman.h>
#include <fcntl.h>
#ifndef PROFILE_COUNT
#define PROFILE_COUNT 1
#endif
static void
try_mmap(const char *path)
{
struct stat buf;
int fd;
if ((fd = open(path, O_RDONLY)) < 0)
goto out;
if (fstat(fd, &buf) < 0)
goto out;
if (mmap(NULL, buf.st_size, PROT_READ, MAP_PRIVATE, fd, 0) == MAP_FAILED)
goto out;
close(fd);
return;
out:
fprintf(stderr, "Failed to test mmap with '%s'\n", path);
}
int
main (int argc, char *argv [])
{
glibtop_proc_map procmap;
glibtop_map_entry *maps;
unsigned method, count, port, i;
char buffer [BUFSIZ];
pid_t pid;
count = PROFILE_COUNT;
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, GTOPLOCALEDIR);
textdomain (GETTEXT_PACKAGE);
glibtop_init_r (&glibtop_global_server, 0, GLIBTOP_INIT_NO_OPEN);
glibtop_get_parameter (GLIBTOP_PARAM_METHOD, &method, sizeof (method));
printf ("Method = %d\n", method);
count = glibtop_get_parameter (GLIBTOP_PARAM_COMMAND, buffer, BUFSIZ);
buffer [count] = 0;
printf ("Command = '%s'\n", buffer);
count = glibtop_get_parameter (GLIBTOP_PARAM_HOST, buffer, BUFSIZ);
buffer [count] = 0;
glibtop_get_parameter (GLIBTOP_PARAM_PORT, &port, sizeof (port));
printf ("Host = '%s' - %u\n\n", buffer, port);
glibtop_init_r (&glibtop_global_server, 0, 0);
if (argc == 1) {
pid = getpid();
}
else if ((argc != 2) || (sscanf (argv [1], "%d", (int *) &pid) != 1))
g_error ("Usage: %s [pid]", argv [0]);
if (pid == getpid()) {
/* let's map something for a try */
try_mmap("/etc/passwd");
try_mmap("/etc/resolv.conf");
try_mmap(argv[0]);
}
fprintf (stderr, "Getting memory maps for pid %d.\n\n", (int) pid);
maps = glibtop_get_proc_map (&procmap, pid);
for (i = 0; i < procmap.number; i++) {
const char *filename = NULL;
char * format;
unsigned device, device_major, device_minor;
char perm [5];
if (maps [i].flags & (1L << GLIBTOP_MAP_ENTRY_FILENAME))
filename = maps [i].filename;
perm [0] = (maps [i].perm & GLIBTOP_MAP_PERM_READ) ? 'r' : '-';
perm [1] = (maps [i].perm & GLIBTOP_MAP_PERM_WRITE) ? 'w' : '-';
perm [2] = (maps [i].perm & GLIBTOP_MAP_PERM_EXECUTE) ? 'x' : '-';
perm [3] = (maps [i].perm & GLIBTOP_MAP_PERM_SHARED) ? 's' : '-';
perm [4] = (maps [i].perm & GLIBTOP_MAP_PERM_PRIVATE) ? 'p' : '-';
device = (unsigned long) maps [i].device;
device_minor = (device & 255);
device_major = ((device >> 8) & 255);
if (sizeof (void*) == 8)
format = "%016lx-%016lx +%016lx (%8lu bytes mapped) - "
"%02x:%02x % 8lu - %.*s";
else
format = "%08lx-%08lx +%08lx (%8lu bytes mapped) - "
"%02x:%02x % 8lu - %.*s";
fprintf (stderr, format,
(unsigned long) maps [i].start,
(unsigned long) maps [i].end,
(unsigned long) maps [i].offset,
(unsigned long) (maps [i].end - (maps [i].start + maps [i].offset)),
device_major, device_minor,
(unsigned long) maps [i].inode,
sizeof perm, perm);
if (filename) {
fprintf(stderr, " - %s", filename);
}
fputc('\n', stderr);
g_print("smaps flags:%#llx size:%" G_GUINT64_FORMAT "KiB rss:%" G_GUINT64_FORMAT "KiB "
"shared_clean:%" G_GUINT64_FORMAT "Kib shared_dirty:%" G_GUINT64_FORMAT "KiB "
"private_clean:%" G_GUINT64_FORMAT "KiB private_dirty: %" G_GUINT64_FORMAT "KiB\n",
(unsigned long long)maps[i].flags,
maps[i].size >> 10,
maps[i].rss >> 10,
maps[i].shared_clean >> 10,
maps[i].shared_dirty >> 10,
maps[i].private_clean >> 10,
maps[i].private_dirty >> 10);
if (filename && (filename != maps [i].filename))
g_free ((void*)filename);
}
g_free (maps);
glibtop_close ();
exit (0);
}
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