Beispiel #1
0
uint32_t powercap_get_cluster_adjusted_max_watts(void)
{
	uint32_t adj_max_watts = 0,val;
	struct node_record *node_ptr;
	int i;

	if (!_powercap_enabled())
		return 0;
	if (!power_layout_ready())
		return 0;
	for (i = 0, node_ptr = node_record_table_ptr; i < node_record_count;
	     i++, node_ptr++) {
		if (bit_test(power_node_bitmap, i)) {
			layouts_entity_pullget_kv(L_NAME, node_ptr->name,
					L_NODE_SAVE, &val, L_T_UINT32);
		} else if (!bit_test(up_node_bitmap, i)) {
			layouts_entity_pullget_kv(L_NAME, node_ptr->name,
					L_NODE_DOWN, &val, L_T_UINT32);
		} else {
			layouts_entity_pullget_kv(L_NAME, node_ptr->name,
					L_NODE_MAX, &val, L_T_UINT32);
		}
		adj_max_watts += val;
	}

	return adj_max_watts;
}
Beispiel #2
0
uint32_t powercap_get_cluster_min_watts(void)
{
	uint32_t min_watts = 0, tmp_watts, save_watts, down_watts;
	struct node_record *node_ptr;
	int i;

	if (!_powercap_enabled())
		return 0;
	
	if (!power_layout_ready())
		return 0;

	for (i = 0, node_ptr = node_record_table_ptr; i < node_record_count;
	     i++, node_ptr++) {
		layouts_entity_pullget_kv(L_NAME, node_ptr->name, L_NODE_IDLE,
					  &tmp_watts, L_T_UINT32);
		layouts_entity_pullget_kv(L_NAME, node_ptr->name, L_NODE_DOWN,
					  &down_watts, L_T_UINT32);
		tmp_watts = MIN(tmp_watts, down_watts);
		layouts_entity_pullget_kv(L_NAME, node_ptr->name, L_NODE_SAVE,
					  &save_watts, L_T_UINT32);
		tmp_watts = MIN(tmp_watts, save_watts);
		min_watts += tmp_watts;
	}

	return min_watts;
}
Beispiel #3
0
int* powercap_get_job_nodes_numfreq(bitstr_t *select_bitmap, 
				    uint32_t cpu_freq_min,
				    uint32_t cpu_freq_max)
{
	uint16_t num_freq = 0;
	int i, p, *allowed_freqs = NULL, new_num_freq = 0;
	struct node_record *node_ptr;
	char ename[128];
	uint32_t cpufreq;

	if (!_powercap_enabled())
		return 0;
	if ((cpu_freq_min == NO_VAL) && (cpu_freq_max == NO_VAL)) {
		allowed_freqs = xmalloc(sizeof(int) * 2);
		/* allowed_freqs[0] = 0; Default value */
		return allowed_freqs;
	}

	for (i = 0, node_ptr = node_record_table_ptr; i < node_record_count;
	     i++, node_ptr++) {
		if (bit_test(select_bitmap, i)) {
			layouts_entity_pullget_kv(L_NAME, node_ptr->name,
					L_NUM_FREQ, &num_freq, L_T_UINT16);
			allowed_freqs = xmalloc(sizeof(int)*((int)num_freq+2));
			allowed_freqs[-1] = (int) num_freq;
			for (p = num_freq; p > 0; p--) {
				sprintf(ename, "Cpufreq%d", p);
				layouts_entity_pullget_kv(L_NAME,
					  	  node_ptr->name, ename,
						  &cpufreq, L_T_UINT32);

		/* In case a job is submitted with flags Low,High, etc on
		 * --cpu-freq parameter then we consider the whole range
		 * of available frequencies on nodes */
				if (((cpu_freq_min <= cpufreq) &&
				    (cpufreq <= cpu_freq_max)) ||
				    ((cpu_freq_min & CPU_FREQ_RANGE_FLAG) ||
				    (cpu_freq_max & CPU_FREQ_RANGE_FLAG))) {
					new_num_freq++;
					allowed_freqs[new_num_freq] = p;
				}
			}
			break;
		}
	}

	if (allowed_freqs) {
		allowed_freqs[0] = new_num_freq;
	} else {
		allowed_freqs = xmalloc(sizeof(int) * 2);
		/* allowed_freqs[0] = 0; Default value */
	}
	return allowed_freqs;
}
Beispiel #4
0
uint32_t powercap_get_node_bitmap_maxwatts(bitstr_t *idle_bitmap)
{
	uint32_t max_watts = 0, val;
	struct node_record *node_ptr;
	int i;
	bitstr_t *tmp_bitmap = NULL;

	if (!_powercap_enabled())
		return 0;
	if (!power_layout_ready())
		return 0;

	/* if no input bitmap, consider the current idle nodes 
	 * bitmap as the input bitmap tagging nodes to consider 
	 * as idle while computing the max watts of the cluster */
	if (idle_bitmap == NULL) {
		tmp_bitmap = bit_copy(idle_node_bitmap);
		idle_bitmap = tmp_bitmap;
	}

	for (i = 0, node_ptr = node_record_table_ptr; i < node_record_count;
	     i++, node_ptr++) {
		/* non reserved node, evaluate the different cases */
		if (bit_test(idle_bitmap, i)) {
			 /* idle nodes, 2 cases : power save or not */
			if (bit_test(power_node_bitmap, i)) {
				layouts_entity_pullget_kv(L_NAME,
						node_ptr->name, L_NODE_SAVE,
						&val, L_T_UINT32);
			} else {
				layouts_entity_pullget_kv(L_NAME,
						node_ptr->name, L_NODE_IDLE,
						&val, L_T_UINT32);
			}
		} else {
			/* non idle nodes, 2 cases : down or not */
			if (!bit_test(up_node_bitmap, i)) {
				layouts_entity_pullget_kv(L_NAME, 
						node_ptr->name, L_NODE_DOWN,
						&val, L_T_UINT32);
			} else {
				layouts_entity_pullget_kv(L_NAME,
						node_ptr->name, L_NODE_MAX,
						&val, L_T_UINT32);
			}
		}
		max_watts += val;	
	}

	if (tmp_bitmap)
		bit_free(tmp_bitmap);

	return max_watts;
}
Beispiel #5
0
int _which_power_layout(char *layout)
{
	uint32_t max_watts;

	return layouts_entity_pullget_kv(layout, L_CLUSTER, L_SUM_MAX,
					 &max_watts, L_T_UINT32);

}
Beispiel #6
0
uint32_t powercap_get_cluster_max_watts(void)
{
	uint32_t max_watts;

	if (!_powercap_enabled())
		return 0;

	if (!power_layout_ready())
		return 0;

	layouts_entity_pullget_kv(L_NAME, L_CLUSTER, L_SUM_MAX, &max_watts,
				  L_T_UINT32);

	return max_watts;
}
Beispiel #7
0
uint32_t powercap_get_cpufreq(bitstr_t *select_bitmap, int k)
{
	int i;
	struct node_record *node_ptr;
	char ename[128];
	uint32_t cpufreq = 0;

	if (!_powercap_enabled())
		return cpufreq;

	for (i = 0, node_ptr = node_record_table_ptr; i < node_record_count;
	     i++, node_ptr++) {
		if (bit_test(select_bitmap, i)) {
			sprintf(ename, "Cpufreq%d", k);
			layouts_entity_pullget_kv(L_NAME, node_ptr->name,
						  ename, &cpufreq, L_T_UINT32);
		}
		break;
	}

	return cpufreq;
}
Beispiel #8
0
uint32_t powercap_get_node_bitmap_maxwatts_dvfs(bitstr_t *idle_bitmap,
			  bitstr_t *select_bitmap, uint32_t *max_watts_dvfs,
			  int* allowed_freqs, uint32_t num_cpus)
{
	uint32_t max_watts = 0, tmp_max_watts = 0, val = 0;
	uint32_t *tmp_max_watts_dvfs = NULL;
	struct node_record *node_ptr;
	int i, p;
	char ename[128], keyname[128];
	bitstr_t *tmp_bitmap = NULL;
	uint32_t data[5], core_data[4];

	if (!_powercap_enabled())
		return 0;

	if (max_watts_dvfs != NULL) {
		tmp_max_watts_dvfs = 
			  xmalloc(sizeof(uint32_t)*(allowed_freqs[0]+1));
	}

	/* if no input bitmap, consider the current idle nodes 
	 * bitmap as the input bitmap tagging nodes to consider 
	 * as idle while computing the max watts of the cluster */
	if (idle_bitmap == NULL && select_bitmap == NULL) {
		tmp_bitmap = bit_copy(idle_node_bitmap);
		idle_bitmap = tmp_bitmap;
		select_bitmap = tmp_bitmap;
	}
	
	for (i = 0, node_ptr = node_record_table_ptr; i < node_record_count;
	     i++, node_ptr++) {
		if (bit_test(idle_bitmap, i)) {
			/* idle nodes, 2 cases : power save or not */
			if (bit_test(power_node_bitmap, i)) {
				layouts_entity_pullget_kv(L_NAME,
						  node_ptr->name, L_NODE_SAVE,
						  &val, L_T_UINT32);
			} else {
				layouts_entity_pullget_kv(L_NAME,
						  node_ptr->name, L_NODE_IDLE,
						  &val, L_T_UINT32);
			}
		
		} else if (bit_test(select_bitmap, i)) {
			layouts_entity_get_mkv(L_NAME, node_ptr->name,
				"IdleWatts,MaxWatts,CoresCount,LastCore,CurrentPower",
				data, (sizeof(uint32_t) * 5), L_T_UINT32);

			/* tmp_max_watts = IdleWatts - cpus*IdleCoreWatts
			 * + cpus*MaxCoreWatts */
			sprintf(ename, "virtualcore%u", data[3]);
			if (num_cpus == 0)
				num_cpus = data[2];
			layouts_entity_get_mkv(L_NAME, ename,
					       "IdleCoreWatts,MaxCoreWatts",
					       core_data,
					       (sizeof(uint32_t) * 2),
					       L_T_UINT32);
			if (data[4] == 0) {
				tmp_max_watts += data[0] -
					  num_cpus*core_data[0] +
					  num_cpus*core_data[1];
			} else if (data[4] > 0) {
				tmp_max_watts += data[4] -
					  num_cpus*core_data[0] +
					  num_cpus*core_data[1];
			} else if (num_cpus == data[2])
				tmp_max_watts += data[1];

			if (!tmp_max_watts_dvfs)
				goto skip_dvfs;
			for (p = 1; p < (allowed_freqs[0] + 1); p++) {
				sprintf(keyname, 
					"IdleCoreWatts,MaxCoreWatts,"
					"Cpufreq%dWatts,CurrentCorePower",
					allowed_freqs[p]);
				layouts_entity_get_mkv(L_NAME, ename, keyname,
					  core_data, (sizeof(uint32_t) * 4),
					  L_T_UINT32);
				if (num_cpus == data[2]) {
					tmp_max_watts_dvfs[p] +=
						  num_cpus*core_data[2];
				} else {
					if (data[4] == 0) {
						tmp_max_watts_dvfs[p] +=
						 	data[0] -
							num_cpus*core_data[0] +
							num_cpus*core_data[2];
					} else {
						tmp_max_watts_dvfs[p] +=
							data[4] -
							num_cpus*core_data[0] +
							num_cpus*core_data[2];
					}
				}
			}
  skip_dvfs:		;
		} else {
			/* non-idle nodes, 2 cases : down or not */
			if (!bit_test(up_node_bitmap, i)) {
				layouts_entity_pullget_kv(L_NAME,
						  node_ptr->name, L_NODE_DOWN,
						  &val, L_T_UINT32);
			} else {
				layouts_entity_pullget_kv(L_NAME,
						  node_ptr->name, L_NODE_CUR,
						  &val, L_T_UINT32);
			}
		}
		max_watts += val;
		val = 0;
	}
	if (max_watts_dvfs) {	
		for (p = 1; p < allowed_freqs[0] + 1; p++) {
			max_watts_dvfs[p] = max_watts + tmp_max_watts_dvfs[p];
		}
		xfree(tmp_max_watts_dvfs);
	}
	max_watts += tmp_max_watts;

	if (tmp_bitmap)
		bit_free(tmp_bitmap);

	return max_watts;
}
Beispiel #9
0
extern int adapt_layouts(job_resources_t *job_resrcs_ptr, uint32_t cpu_freq_max,
			 uint32_t node_id, char* node_name, bool new_value)
{
	int i, k = 0, bit_inx = 0, core_cnt = 0;
	uint32_t max_watts, zero = 0, der;
	uint32_t core_num,val = 0;
	uint16_t num_freq;
	char temp[128], ename[128], keyname[128];
	uint32_t data[2], vals[2];
	int num_counts = 0, activate = 0;
	int *desalloc_cores;

	xassert(job_resrcs_ptr);

	for (i = 0; i < job_resrcs_ptr->nhosts; i++) {
		if (job_resrcs_ptr->sock_core_rep_count[i] <= node_id) {
			bit_inx += job_resrcs_ptr->sockets_per_node[i] *
				   job_resrcs_ptr->cores_per_socket[i] *
				   job_resrcs_ptr->sock_core_rep_count[i];
			node_id -= job_resrcs_ptr->sock_core_rep_count[i];
		} else {
			bit_inx += job_resrcs_ptr->sockets_per_node[i] *
				   job_resrcs_ptr->cores_per_socket[i] *
				   node_id;
			core_cnt = job_resrcs_ptr->sockets_per_node[i] *
				   job_resrcs_ptr->cores_per_socket[i];
			break;
		}
	}
	if (core_cnt < 1) {
		error("count_job_resources_node: core_cnt=0");
		return 0;
	}

	i = bit_size(job_resrcs_ptr->core_bitmap);
	if ((bit_inx + core_cnt) > i) {
		error("count_job_resources_node: offset > bitmap size "
		      "(%d >= %d)", (bit_inx + core_cnt), i);
		return 0;
	}

	layouts_entity_get_kv("power", node_name, "NumFreqChoices",
			      &num_freq, L_T_UINT16);
	layouts_entity_get_mkv("power", node_name,
			       "CoresCount,LastCore", data,
			       (sizeof(uint32_t)*2),L_T_UINT32);
	if (cpu_freq_max != 0) {
		for (i = 1; i < num_freq + 1; i++) {
			sprintf(temp, "Cpufreq%d", i);
			layouts_entity_pullget_kv("power", node_name,
						  temp, &val, L_T_UINT32);
			if (val == cpu_freq_max) {
				k = i;
				break;
			}
		}
	}

	desalloc_cores = xmalloc ( sizeof (int) * (core_cnt));	
	for (i = 0; i < core_cnt; i++) {
		/*core_num=LastCore+1-CoresCount*/
		core_num = data[1] + 1 - data[0] + i;
		sprintf(ename, "virtualcore%u", core_num);
		if (bit_test(job_resrcs_ptr->core_bitmap, bit_inx++)) {
			if (new_value) {
				if (cpu_freq_max != 0 && k != 0) {
					sprintf(keyname, 
						"Cpufreq%dWatts", k);
					layouts_entity_get_kv("power",
							ename, keyname,
							&max_watts, L_T_UINT32);
				} else {
					layouts_entity_get_kv("power",
							ename, "MaxCoreWatts",
							&max_watts, L_T_UINT32);
				}
				layouts_entity_set_kv("power",
						    ename, "CurrentCorePower",
						    &max_watts, L_T_UINT32);
			} else {
				layouts_entity_set_kv("power",
						    ename, "CurrentCorePower",
						    &zero, L_T_UINT32);
				desalloc_cores[num_counts] = i;
				num_counts++;
			}
		} else {
			layouts_entity_get_mkv("power", ename,
					  "CurrentCorePower,IdleCoreWatts",
					  vals, 
					  (sizeof(uint32_t)*2) ,L_T_UINT32);
			if (new_value) {
				if (vals[0] == 0) {
					layouts_entity_set_kv(
							  "power",
							  ename,
							  "CurrentCorePower",
							  &vals[1],
							  L_T_UINT32);
				}
			} else {
				if (vals[1] != vals[0]) {
					activate = 1;
				} else {
					desalloc_cores[num_counts] = i;
					num_counts++;
					layouts_entity_set_kv(
							  "power",
							  ename,
							  "CurrentCorePower",
							  &zero, L_T_UINT32);		
					layouts_entity_get_kv("power",
							  ename,
							  "CurrentCorePower",
							  &der, L_T_UINT32);
				}	
			}
		}
	}

	if (activate == 1) {
		for (i = 0; i < num_counts; i++) {
			core_num = data[1] + 1- data[0] + desalloc_cores[i];
			sprintf(ename, "virtualcore%u", core_num);
			layouts_entity_set_kv("power", ename,
						  "CurrentCorePower", &vals[1],
						  L_T_UINT32);	
		}
	}

	return 1;
}