void
setup_globals(pmOptions *opts)
{
pmID pmids[HOST_NMETRICS];
pmDesc descs[HOST_NMETRICS];
pmResult *result;
setup_context(opts);
setup_metrics(hostmetrics, &pmids[0], &descs[0], HOST_NMETRICS);
fetch_metrics("host", HOST_NMETRICS, pmids, &result);
if (HOST_NMETRICS != result->numpmid)
{
fprintf(stderr,
"%s: pmFetch failed to fetch initial metric value(s)\n",
pmProgname);
cleanstop(1);
}
hertz = extract_integer(result, descs, HOST_HERTZ);
pagesize = extract_integer(result, descs, HOST_PAGESIZE);
extract_string(result, descs, HOST_RELEASE, sysname.release, sizeof(sysname.release));
extract_string(result, descs, HOST_VERSION, sysname.version, sizeof(sysname.version));
extract_string(result, descs, HOST_MACHINE, sysname.machine, sizeof(sysname.machine));
extract_string(result, descs, HOST_NODENAME, sysname.nodename, sizeof(sysname.nodename));
nodenamelen = strlen(sysname.nodename);
pmFreeResult(result);
}
int
photoproc(struct tstat *tasks, int *taskslen)
{
static int setup;
static pmID pmids[TASK_NMETRICS];
static pmDesc descs[TASK_NMETRICS];
pmResult *result;
char **insts;
int *pids, count, i;
if (!setup)
{
setup_metrics(procmetrics, pmids, descs, TASK_NMETRICS);
setup = 1;
}
fetch_metrics("task", TASK_NMETRICS, pmids, &result);
/* extract external process names (insts) */
count = get_instances("task", TASK_GEN_NAME, descs, &pids, &insts);
if (count > *taskslen)
{
size_t size;
int ents = (*taskslen + PROCCHUNK);
if (count > ents)
ents = count;
size = ents * sizeof(struct tstat);
tasks = (struct tstat *)realloc(tasks, size);
ptrverify(tasks, "photoproc [%ld]\n", (long)size);
*taskslen = ents;
}
for (i=0; i < count; i++)
{
if (pmDebug & DBG_TRACE_APPL0)
fprintf(stderr, "%s: updating process %d: %s\n",
pmProgname, pids[i], insts[i]);
update_task(&tasks[i], pids[i], insts[i], result, descs);
}
if (pmDebug & DBG_TRACE_APPL0)
fprintf(stderr, "%s: done %d processes\n", pmProgname, count);
pmFreeResult(result);
free(insts);
free(pids);
return count;
}
