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/*
* Copyright (c) 2003-2004 Red Hat, Inc. All rights reserved.
*
* This software may be freely redistributed under the terms of the GNU
* public license.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include <libintl.h>
#include <locale.h>
#include <sys/types.h>
#include <glib.h>
#include <popt.h>
#define _(String) gettext((String))
#define SUPPORTINFO "/var/lib/supportinfo"
static int min_mem = 0;
static int max_mem = 0;
static int max_cpus = 0;
static char *variant = NULL;
static char *release_name = NULL;
static int test = 0;
#if defined(__i386__)
static inline void cpuid(int op, int *eax, int *ebx, int *ecx, int *edx)
{
__asm__("pushl %%ebx; cpuid; movl %%ebx,%1; popl %%ebx"
: "=a"(*eax), "=r"(*ebx), "=c"(*ecx), "=d"(*edx)
: "0" (op));
}
#endif
#if defined(__x86_64__)
static inline void cpuid(int op, int *eax, int *ebx, int *ecx, int *edx)
{
__asm__("xchgl %%ebx, %1; cpuid; xchgl %%ebx, %1"
: "=a"(*eax), "=r"(*ebx), "=c"(*ecx), "=d"(*edx)
: "0" (op));
}
#endif
guint64 get_memory() {
guint64 npages = sysconf(_SC_PHYS_PAGES);
guint64 pgsize = sysconf(_SC_PAGESIZE);
return (guint64)(npages * pgsize / 1048576);
}
unsigned int get_num_cpus() {
int ncpus = sysconf(_SC_NPROCESSORS_ONLN);
u_int32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
#if defined(__i386__) || defined(__x86_64__)
cpuid(0, &eax, &ebx, &ecx, &edx);
if (ebx == 0x756e6547) { /* Intel */
cpuid(1, &eax, &ebx, &ecx, &edx);
if (edx & (1 << 28)) { /* has HT */
int nsibs = (ebx & 0xff0000) >> 16;
return ncpus / nsibs;
}
}
if (ebx==0x68747541 && edx==0x69746e65 && ecx==0x444d4163) {
cpuid(1, &eax, &ebx, &ecx, &edx);
if (edx & (1 << 28)) { /* has HT */
int nsibs = (ebx & 0xff0000) >> 16;
if (nsibs == 0) nsibs = 1;
return ncpus / nsibs;
}
}
if (ebx==0x68747541 && edx==0x69746e65 && ecx==0x444d4163) {
cpuid(1, &eax, &ebx, &ecx, &edx);
if (edx & (1 << 28)) { /* has HT */
int nsibs = (ebx & 0xff0000) >> 16;
if (nsibs == 0) nsibs = 1;
return ncpus / nsibs;
}
}
#endif
return ncpus;
}
int parse_supportinfo() {
gchar *contents, **lines;
gsize len;
int x;
g_file_get_contents(SUPPORTINFO, &contents, &len, NULL);
if (!contents)
return -1;
lines = g_strsplit(contents,"\n", 0);
for (x = 0; lines[x]; x++) {
if (!strncmp(lines[x],"Variant:",8))
variant = strdup(lines[x]+9);
if (!strncmp(lines[x],"MinRAM:",7))
min_mem = atoi(lines[x]+8);
if (!strncmp(lines[x],"MaxRAM:",7))
max_mem = atoi(lines[x]+8);
if (!strncmp(lines[x],"MaxCPU:",7))
max_cpus = atoi(lines[x]+8);
}
g_free(contents);
g_strfreev(lines);
return 0;
}
void get_release_info() {
gchar *contents;
gsize len;
g_file_get_contents("/etc/redhat-release", &contents, &len, NULL);
if (!contents)
release_name = "Red Hat Linux release 11.7 (Foo)";
else
release_name = g_strstrip(contents);
}
int main(int argc, char **argv) {
const struct poptOption options[] = {
POPT_AUTOHELP
{ "test", 't', POPT_ARG_NONE, &test, 0,
_("Test mode (assumes 256MB, 1GB, 2 CPUs)"), NULL
},
{ 0, 0, 0, 0, 0, 0 }
};
poptContext context;
guint64 memory;
int cpus;
int rc = 0;
setlocale(LC_ALL, "");
bindtextdomain("redhat-support-check", "/usr/share/locale");
textdomain("redhat-support-check");
context = poptGetContext("redhat-support-check", argc,
(const char **)argv, options, 0);
while ((rc = poptGetNextOpt (context)) > 0);
if (rc < -1) {
fprintf(stderr, "%s: %s\n",
poptBadOption(context, POPT_BADOPTION_NOALIAS),
poptStrerror(rc));
return 1;
}
rc = 0;
if (test) {
max_mem = 1024;
min_mem = 256;
max_cpus = 2;
variant = "XS";
} else {
if (parse_supportinfo()) {
fprintf(stderr,
_("Failed to parse supportinfo file.\n"));
return 1;
}
}
memory = get_memory();
cpus = get_num_cpus();
get_release_info();
openlog("redhat-support-check", 0, LOG_USER);
if (min_mem && memory < (0.9 * min_mem)) {
printf(_("WARNING: %s requires at least %dMB RAM to run as a supported configuration. (%lluMB detected)\n"),
release_name, min_mem, memory);
syslog(LOG_NOTICE,_("WARNING: %s requires at least %dMB RAM to run as a supported configuration. (%lluMB detected)\n"),
release_name, min_mem, memory);
rc++;
}
if (max_mem && memory > max_mem) {
printf(_("WARNING: %s requires no more than %dMB RAM to run as a supported configuration. (%lluMB detected)\n"),
release_name, max_mem, memory);
syslog(LOG_NOTICE,_("WARNING: %s requires no more than %dMB RAM to run as a supported configuration. (%lluMB detected)\n"),
release_name, max_mem, memory);
rc++;
}
if (max_cpus && cpus > max_cpus) {
printf(_("WARNING: %s requires no more than %d CPUs to run as a supported configuration. (%d detected)\n"),
release_name, max_cpus, cpus);
syslog(LOG_NOTICE,_("WARNING: %s requires no more than %d CPUs to run as a supported configuration. (%d detected)\n"),
release_name, max_cpus, cpus);
rc++;
}
return rc;
}
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