int
lmt_cmt_string_v1 (pctx_t ctx, char *s, int len)
{
ListIterator itr = NULL;
List ostlist = NULL;
int retval = -1;
char *name;
if (proc_lustre_ostlist (ctx, &ostlist) < 0)
goto done;
int ost_count = list_count(ostlist);
if (ost_count == 0) {
errno = 0;
goto done;
}
sprintf(s, "1;%d;", ost_count);
itr = list_iterator_create (ostlist);
while ((name = list_next (itr))) {
int used = strlen (s);
if (_get_ostinfo_string (ctx, name, s + used, len - used) < 0)
goto done;
}
retval = 0;
printf("CMT string: %s\n", s);
done:
if (itr)
list_iterator_destroy (itr);
if (ostlist)
list_destroy (ostlist);
return retval;
}
int
lmt_ost_string_v2 (pctx_t ctx, char *s, int len)
{
static uint64_t cpuused = 0, cputot = 0;
ListIterator itr = NULL;
List ostlist = NULL;
struct utsname uts;
double cpupct, mempct;
int used, n, retval = -1;
char *name;
if (proc_lustre_ostlist (ctx, &ostlist) < 0)
goto done;
if (list_count (ostlist) == 0) {
errno = 0;
goto done;
}
if (uname (&uts) < 0) {
err ("uname");
goto done;
}
if (proc_stat2 (ctx, &cpuused, &cputot, &cpupct) < 0) {
if (lmt_conf_get_proto_debug ())
err ("error reading cpu usage from proc");
goto done;
}
if (_get_mem_usage (ctx, &mempct) < 0)
goto done;
n = snprintf (s, len, "2;%s;%f;%f;",
uts.nodename,
cpupct,
mempct);
if (n >= len) {
if (lmt_conf_get_proto_debug ())
msg ("string overflow");
goto done;
}
itr = list_iterator_create (ostlist);
while ((name = list_next (itr))) {
used = strlen (s);
if (_get_oststring_v2 (ctx, name, s + used, len - used) < 0)
goto done;
}
retval = 0;
done:
if (itr)
list_iterator_destroy (itr);
if (ostlist)
list_destroy (ostlist);
return retval;
}
