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added memory statistics.

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* sysdeps/sun4/{open.c, mem.c, glibtop_machine.h}: added
memory statistics.
This commit is contained in:
Martin Baulig
1998-05-24 16:16:59 +00:00
parent ff3aced01e
commit 15caaaf34f
4 changed files with 108 additions and 1 deletions
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37
sysdeps/sun4/open.c
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@@ -21,6 +21,7 @@
#include <glibtop.h>
#include <glibtop/open.h>
#include <glibtop/xmalloc.h>
struct nlist _glibtop_nlist[] = {
#ifdef i386
@@ -58,6 +59,8 @@ struct nlist _glibtop_nlist[] = {
void
glibtop_open (glibtop *server, const char *program_name)
{
register int pagesize;
/* !!! WE ARE ROOT HERE - CHANGE WITH CAUTION !!! */
memset (server, 0, sizeof (glibtop));
@@ -108,7 +111,41 @@ glibtop_open (glibtop *server, const char *program_name)
if ((server->machine.nlist_count > 0) &&
(_glibtop_check_nlist (server, _glibtop_nlist) > 0))
_exit (1);
/* This are for the memory statistics. */
(void) _glibtop_getkval (server, _glibtop_nlist[X_PAGES].n_value,
(int *)(&server->machine.pages),
sizeof (server->machine.pages),
_glibtop_nlist[X_PAGES].n_name);
(void) _glibtop_getkval (server, _glibtop_nlist[X_EPAGES].n_value,
(int *)(&server->machine.epages),
sizeof (server->machine.epages),
_glibtop_nlist[X_EPAGES].n_name);
server->machine.bytesize = server->machine.epages -
server->machine.pages;
server->machine.count = server->machine.bytesize / sizeof (struct page);
server->machine.physpage =
(struct page *) glibtop_malloc__r (server, server->machine.bytesize);
/* get the page size with "getpagesize" and calculate pageshift from it */
pagesize = getpagesize();
server->machine.pageshift = 0;
while (pagesize > 1) {
server->machine.pageshift++;
pagesize >>= 1;
}
/* we only need the amount of log(2)1024 for our conversion */
server->machine.pageshift -= LOG1024;
/* Drop priviledges. */
if (setreuid (server->machine.euid, server->machine.uid))