/**
* @brief parse long timers list and copy those that will expire in the current
* short timer period
*/
static void _select_long_timers(void)
{
xtimer_t *select_list_start = long_list_head;
xtimer_t *select_list_last = NULL;
/* advance long_list head so it points to the first timer of the next (not
* just started) "long timer period" */
while (long_list_head) {
if ((long_list_head->long_target <= _long_cnt) && _this_high_period(long_list_head->target)) {
select_list_last = long_list_head;
long_list_head = long_list_head->next;
}
else {
/* remaining long_list timers belong to later long periods */
break;
}
}
/* cut the "selected long timer list" at the end */
if (select_list_last) {
select_list_last->next = NULL;
}
/* merge "current timer list" and "selected long timer list" */
if (timer_list_head) {
if (select_list_last) {
/* both lists are non-empty. merge. */
timer_list_head = _merge_lists(timer_list_head, select_list_start);
}
else {
/* "selected long timer list" is empty, nothing to do */
}
}
else { /* current timer list is empty */
if (select_list_last) {
/* there's no current timer list, but a non-empty "selected long
* timer list". So just use that list as the new current timer
* list.*/
timer_list_head = select_list_start;
}
}
}
/*
* We could load gres state or validate it using various mechanisms here.
* This only validates that the configuration was specified in gres.conf.
* In the general case, no code would need to be changed.
*/
extern int node_config_load(List gres_conf_list, node_config_load_t *config)
{
int rc = SLURM_SUCCESS;
log_level_t log_lvl;
List gpu_conf_list, mps_conf_list;
bool have_fake_gpus = _test_gpu_list_fake();
/* Assume this state is caused by an scontrol reconfigure */
debug_flags = slurm_get_debug_flags();
if (gres_devices) {
debug("Resetting gres_devices");
FREE_NULL_LIST(gres_devices);
}
FREE_NULL_LIST(mps_info);
if (debug_flags & DEBUG_FLAG_GRES)
log_lvl = LOG_LEVEL_VERBOSE;
else
log_lvl = LOG_LEVEL_DEBUG;
log_var(log_lvl, "%s: Initalized gres.conf list:", plugin_name);
print_gres_list(gres_conf_list, log_lvl);
/*
* Ensure that every GPU device file is listed as a MPS file.
* Any MPS entry that we need to add will have a "Count" of zero.
* Every MPS "Type" will be made to match the GPU "Type". The order
* of MPS records (by "File") must match the order in which GPUs are
* defined for the GRES bitmaps in slurmctld to line up.
*
* First, convert all GPU records to a new entries in a list where
* each File is a unique device (i.e. convert a record with
* "File=nvidia[0-3]" into 4 separate records).
*/
gpu_conf_list = _build_gpu_list(gres_conf_list);
/* Now move MPS records to new List, each with unique device file */
mps_conf_list = _build_mps_list(gres_conf_list);
/*
* Merge MPS records back to original list, updating and reordering
* as needed.
*/
_merge_lists(gres_conf_list, gpu_conf_list, mps_conf_list);
FREE_NULL_LIST(gpu_conf_list);
FREE_NULL_LIST(mps_conf_list);
rc = common_node_config_load(gres_conf_list, gres_name, &gres_devices);
if (rc != SLURM_SUCCESS)
fatal("%s failed to load configuration", plugin_name);
if (_build_mps_dev_info(gres_conf_list) == 0)
_remove_mps_recs(gres_conf_list);
log_var(log_lvl, "%s: Final gres.conf list:", plugin_name);
print_gres_list(gres_conf_list, log_lvl);
// Print in parsable format for tests if fake system is in use
if (have_fake_gpus) {
info("Final normalized gres.conf list (parsable):");
print_gres_list_parsable(gres_conf_list);
}
return rc;
}
