src/sacct/sacct_stat.c - SchedMD/slurm - Git at Google

 /*****************************************************************************\
  *  sacct_stat.c - stat slurmd for percise job information
  *
  *  $Id: options.c 7541 2006-03-18 01:44:58Z da $
  *****************************************************************************
  *  Copyright (C) 2006 The Regents of the University of California.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
  *  Written by Danny Auble <da@llnl.gov>.
  *  UCRL-CODE-217948.
  *
  *  This file is part of SLURM, a resource management program.
  *  For details, see <http://www.llnl.gov/linux/slurm/>.
  *
  *  SLURM is free software; you can redistribute it and/or modify it under
  *  the terms of the GNU General Public License as published by the Free
  *  Software Foundation; either version 2 of the License, or (at your option)
  *  any later version.
  *
  *  In addition, as a special exception, the copyright holders give permission
  *  to link the code of portions of this program with the OpenSSL library under
  *  certain conditions as described in each individual source file, and
  *  distribute linked combinations including the two. You must obey the GNU
  *  General Public License in all respects for all of the code used other than
  *  OpenSSL. If you modify file(s) with this exception, you may extend this
  *  exception to your version of the file(s), but you are not obligated to do
  *  so. If you do not wish to do so, delete this exception statement from your
  *  version.  If you delete this exception statement from all source files in
  *  the program, then also delete it here.
  *
  *  SLURM is distributed in the hope that it will be useful, but WITHOUT ANY
  *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  *  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  *  details.
  *
  *  You should have received a copy of the GNU General Public License along
  *  with SLURM; if not, write to the Free Software Foundation, Inc.,
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA.
 \*****************************************************************************/

 #include "sacct.h"
 #include <pthread.h>
 #include "src/common/slurm_jobacct.h"
 #include "src/common/forward.h"
 #include "src/common/slurm_auth.h"

 pthread_mutex_t stat_mutex = PTHREAD_MUTEX_INITIALIZER;
 pthread_cond_t stat_cond = PTHREAD_COND_INITIALIZER;
 step_rec_t step;

 int thr_finished = 0;

 void *_stat_thread(void *args);
 int _sacct_query(resource_allocation_response_msg_t *job, uint32_t step_id);
 int _process_results();

 void *_stat_thread(void *args)
 {
 	slurm_msg_t *msg = (slurm_msg_t *) args;
 	slurm_msg_t resp_msg;
 	stat_jobacct_msg_t *jobacct_msg = NULL;
 	ListIterator itr;
 	ListIterator data_itr;
 	List ret_list = NULL;
 	sacct_t temp_sacct;
 	sacct_t temp_sacct2;
 	ret_types_t *ret_type = NULL;
 	ret_data_info_t *ret_data_info = NULL;
 	int rc = SLURM_SUCCESS;
 	int ntasks = 0;

 	memset(&temp_sacct, 0, sizeof(sacct_t));
 	temp_sacct.min_cpu = (float)NO_VAL;
 	memset(&temp_sacct2, 0, sizeof(sacct_t));
 	temp_sacct2.min_cpu = (float)NO_VAL;

 	ret_list = slurm_send_recv_node_msg(msg,
 					    &resp_msg,
 					    msg->forward.timeout);
 	if (!ret_list || !resp_msg.auth_cred) {
 		if(ret_list)
 			list_destroy(ret_list);
 		if(resp_msg.auth_cred)
 			slurm_auth_cred_destroy(resp_msg.auth_cred);
 		error("got an error no list returned or no auth_cred");
 		goto cleanup;
 	}
 	g_slurm_auth_destroy(resp_msg.auth_cred);

 	switch (resp_msg.msg_type) {
 	case MESSAGE_STAT_JOBACCT:
 		jobacct_msg = (stat_jobacct_msg_t *)resp_msg.data;
 		if(jobacct_msg) {
 			debug2("got it back for job %d %d tasks\n",
 			       jobacct_msg->job_id,
 			       jobacct_msg->num_tasks);
 			jobacct_g_2_sacct(&temp_sacct, jobacct_msg->jobacct);
 			ntasks = jobacct_msg->num_tasks;
 			slurm_free_stat_jobacct_msg(jobacct_msg);
 		} else {
 			error("No Jobacct message returned!");
 		}
 		break;
 	case RESPONSE_SLURM_RC:
 		rc = ((return_code_msg_t *) resp_msg.data)->return_code;
 		slurm_free_return_code_msg(resp_msg.data);
 		error("there was an error with the request rc = %s",
 		      slurm_strerror(rc));
 		break;
 	default:
 		rc = SLURM_UNEXPECTED_MSG_ERROR;
 		break;
 	}

 	itr = list_iterator_create(ret_list);
 	while((ret_type = list_next(itr)) != NULL) {
 		switch (ret_type->type) {
 		case MESSAGE_STAT_JOBACCT:
 			data_itr =
 				list_iterator_create(ret_type->ret_data_list);
 			while((ret_data_info = list_next(data_itr)) != NULL) {
 				jobacct_msg = (stat_jobacct_msg_t *)
 					ret_data_info->data;
 				if(jobacct_msg) {
 					debug2("got it back for job %d",
 					       jobacct_msg->job_id);
 					jobacct_g_2_sacct(
 						&temp_sacct2,
 						jobacct_msg->jobacct);
 					ntasks += jobacct_msg->num_tasks;
 					aggregate_sacct(&temp_sacct,
 							&temp_sacct2);
 				}
 			}
 			break;
 		case RESPONSE_SLURM_RC:
 			rc = ret_type->msg_rc;
 			error("there was an error with the request rc = %s",
 			      slurm_strerror(rc));
 			break;
 		default:
 			rc = ret_type->msg_rc;
 			error("unknown return given %d rc = %s",
 			      ret_type->type, slurm_strerror(rc));
 			break;
 		}
 	}
 	list_iterator_destroy(itr);
 	list_destroy(ret_list);

 	pthread_mutex_lock(&stat_mutex);
 	aggregate_sacct(&step.sacct, &temp_sacct);
 	step.ntasks += ntasks;
 	pthread_mutex_unlock(&stat_mutex);
 cleanup:

 	pthread_mutex_lock(&stat_mutex);
 	thr_finished++;
 	pthread_cond_signal(&stat_cond);
 	pthread_mutex_unlock(&stat_mutex);
 	return NULL;
 }

 int _sacct_query(resource_allocation_response_msg_t *job, uint32_t step_id)
 {
 	slurm_msg_t *msg_array_ptr;
 	stat_jobacct_msg_t r;
 	int i;
 	int *span = set_span(job->node_cnt, 0);
 	forward_t forward;
 	int thr_count = 0;

 	debug("getting the stat of job %d on %d nodes",
 	      job->job_id, job->node_cnt);

 	memset(&step.sacct, 0, sizeof(sacct_t));
 	step.sacct.min_cpu = (float)NO_VAL;
 	step.header.jobnum = job->job_id;
 	step.header.partition = NULL;
 	step.header.blockid = NULL;
 	step.stepnum = step_id;
 	step.nodes = job->node_list;
 	step.stepname = NULL;
 	step.status = JOB_RUNNING;
 	step.ntasks = 0;
 	msg_array_ptr = xmalloc(sizeof(slurm_msg_t) * job->node_cnt);

 	/* Common message contents */
 	r.job_id      = job->job_id;
 	r.step_id     = step_id;
 	r.jobacct     = jobacct_g_alloc(NULL);

 	forward.cnt = job->node_cnt;
 	/* we need this for forwarding, but not really anything else, so
 	   this can be set to any sting as long as there are the same
 	   number as hosts we are going to */
 	forward.name = xmalloc(sizeof(char) * (MAX_SLURM_NAME * forward.cnt));
 	for(i=0; i < forward.cnt; i++) {
 		strncpy(&forward.name[i*MAX_SLURM_NAME], "-", MAX_SLURM_NAME);
 	}
 	forward.addr = job->node_addr;
 	forward.node_id = NULL;
 	forward.timeout = 5000;

 	thr_count = 0;
 	for (i = 0; i < job->node_cnt; i++) {
 		pthread_attr_t attr;
 		pthread_t threadid;
 		slurm_msg_t *m = &msg_array_ptr[thr_count];

 		m->srun_node_id    = 0;
 		m->msg_type        = MESSAGE_STAT_JOBACCT;
 		m->data            = &r;
 		m->ret_list = NULL;
 		m->orig_addr.sin_addr.s_addr = 0;

 		memcpy(&m->address,
 		       &job->node_addr[i],
 		       sizeof(slurm_addr));

 		forward_set(&m->forward,
 			    span[thr_count],
 			    &i,
 			    &forward);

 		slurm_attr_init(&attr);
 		if (pthread_attr_setdetachstate(&attr,
 						PTHREAD_CREATE_DETACHED))
 			error("pthread_attr_setdetachstate error %m");

 		if(pthread_create(&threadid,
 				   &attr,
 				   _stat_thread,
 				   (void *) m)) {
 			error("pthread_create error %m");
 			exit(0);
 		}
 		slurm_attr_destroy(&attr);
 		thr_count++;
 	}
 	xfree(span);
 	xfree(forward.name);
 	if (!thr_count) {
 		fatal("No threads created!! exiting");
 	}
 	slurm_mutex_lock(&stat_mutex);
 	while(thr_count > thr_finished) {
 		pthread_cond_wait(&stat_cond, &stat_mutex);
 	}
 	slurm_mutex_unlock(&stat_mutex);

 	pthread_cond_destroy(&stat_cond);
 	slurm_mutex_destroy(&stat_mutex);
 	if(step.ntasks) {
 		step.sacct.ave_rss *= 1024;
 		step.sacct.max_rss *= 1024;
 		step.sacct.ave_vsize *= 1024;
 		step.sacct.max_vsize *= 1024;

 		step.sacct.ave_cpu /= step.ntasks;
 		step.sacct.ave_cpu /= 100;
 		step.sacct.min_cpu /= 100;
 		step.sacct.ave_rss /= step.ntasks;
 		step.sacct.ave_vsize /= step.ntasks;
 		step.sacct.ave_pages /= step.ntasks;
 	}
 	xfree(msg_array_ptr);
 	jobacct_g_free(r.jobacct);
 	return SLURM_SUCCESS;
 }

 int _process_results()
 {
 	print_fields(JOBSTEP, &step);
 	return SLURM_SUCCESS;
 }

 int sacct_stat(uint32_t jobid, uint32_t stepid)
 {
 	slurm_msg_t req_msg;
 	slurm_msg_t resp_msg;
 	stat_jobacct_msg_t req;
 	resource_allocation_response_msg_t *job = NULL;
 	int rc = SLURM_SUCCESS;

 	debug("requesting info for job %u.%u", jobid, stepid);
 	req.job_id = jobid;
 	req.step_id = stepid;
 	req.jobacct = jobacct_g_alloc(NULL);
 	req_msg.msg_type = MESSAGE_STAT_JOBACCT;
 	req_msg.data     = &req;

 	if (slurm_send_recv_controller_msg(&req_msg, &resp_msg) < 0) {
 		jobacct_g_free(req.jobacct);
 		return SLURM_ERROR;
 	}

 	jobacct_g_free(req.jobacct);

 	switch (resp_msg.msg_type) {
 	case RESPONSE_RESOURCE_ALLOCATION:
 		job = (resource_allocation_response_msg_t *)resp_msg.data;
 		break;
 	case RESPONSE_SLURM_RC:
 		rc = ((return_code_msg_t *) resp_msg.data)->return_code;
 		slurm_free_return_code_msg(resp_msg.data);
 		printf("problem getting job: %s\n", slurm_strerror(rc));
 		slurm_seterrno_ret(rc);
 		break;
 	default:
 		slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR);
 		break;
 	}

 	if(!job) {
 		error("didn't get the job record rc = %s", slurm_strerror(rc));
 		return rc;
 	}

 	_sacct_query(job, stepid);
 	slurm_free_resource_allocation_response_msg(job);

 	_process_results();
 	return rc;
 }
	/*****************************************************************************\
	* sacct_stat.c - stat slurmd for percise job information
	*
	* $Id: options.c 7541 2006-03-18 01:44:58Z da $
	*****************************************************************************
	* Copyright (C) 2006 The Regents of the University of California.
	* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
	* Written by Danny Auble <da@llnl.gov>.
	* UCRL-CODE-217948.
	*
	* This file is part of SLURM, a resource management program.
	* For details, see <http://www.llnl.gov/linux/slurm/>.
	*
	* SLURM is free software; you can redistribute it and/or modify it under
	* the terms of the GNU General Public License as published by the Free
	* Software Foundation; either version 2 of the License, or (at your option)
	* any later version.
	*
	* In addition, as a special exception, the copyright holders give permission
	* to link the code of portions of this program with the OpenSSL library under
	* certain conditions as described in each individual source file, and
	* distribute linked combinations including the two. You must obey the GNU
	* General Public License in all respects for all of the code used other than
	* OpenSSL. If you modify file(s) with this exception, you may extend this
	* exception to your version of the file(s), but you are not obligated to do
	* so. If you do not wish to do so, delete this exception statement from your
	* version. If you delete this exception statement from all source files in
	* the program, then also delete it here.
	*
	* SLURM is distributed in the hope that it will be useful, but WITHOUT ANY
	* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
	* details.
	*
	* You should have received a copy of the GNU General Public License along
	* with SLURM; if not, write to the Free Software Foundation, Inc.,
	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	\*****************************************************************************/

	#include "sacct.h"
	#include <pthread.h>
	#include "src/common/slurm_jobacct.h"
	#include "src/common/forward.h"
	#include "src/common/slurm_auth.h"

	pthread_mutex_t stat_mutex = PTHREAD_MUTEX_INITIALIZER;
	pthread_cond_t stat_cond = PTHREAD_COND_INITIALIZER;
	step_rec_t step;

	int thr_finished = 0;

	void _stat_thread(void args);
	int _sacct_query(resource_allocation_response_msg_t *job, uint32_t step_id);
	int _process_results();

	void _stat_thread(void args)
	{
	slurm_msg_t msg = (slurm_msg_t ) args;
	slurm_msg_t resp_msg;
	stat_jobacct_msg_t *jobacct_msg = NULL;
	ListIterator itr;
	ListIterator data_itr;
	List ret_list = NULL;
	sacct_t temp_sacct;
	sacct_t temp_sacct2;
	ret_types_t *ret_type = NULL;
	ret_data_info_t *ret_data_info = NULL;
	int rc = SLURM_SUCCESS;
	int ntasks = 0;

	memset(&temp_sacct, 0, sizeof(sacct_t));
	temp_sacct.min_cpu = (float)NO_VAL;
	memset(&temp_sacct2, 0, sizeof(sacct_t));
	temp_sacct2.min_cpu = (float)NO_VAL;

	ret_list = slurm_send_recv_node_msg(msg,
	&resp_msg,
	msg->forward.timeout);
	if (!ret_list \|\| !resp_msg.auth_cred) {
	if(ret_list)
	list_destroy(ret_list);
	if(resp_msg.auth_cred)
	slurm_auth_cred_destroy(resp_msg.auth_cred);
	error("got an error no list returned or no auth_cred");
	goto cleanup;
	}
	g_slurm_auth_destroy(resp_msg.auth_cred);

	switch (resp_msg.msg_type) {
	case MESSAGE_STAT_JOBACCT:
	jobacct_msg = (stat_jobacct_msg_t *)resp_msg.data;
	if(jobacct_msg) {
	debug2("got it back for job %d %d tasks\n",
	jobacct_msg->job_id,
	jobacct_msg->num_tasks);
	jobacct_g_2_sacct(&temp_sacct, jobacct_msg->jobacct);
	ntasks = jobacct_msg->num_tasks;
	slurm_free_stat_jobacct_msg(jobacct_msg);
	} else {
	error("No Jobacct message returned!");
	}
	break;
	case RESPONSE_SLURM_RC:
	rc = ((return_code_msg_t *) resp_msg.data)->return_code;
	slurm_free_return_code_msg(resp_msg.data);
	error("there was an error with the request rc = %s",
	slurm_strerror(rc));
	break;
	default:
	rc = SLURM_UNEXPECTED_MSG_ERROR;
	break;
	}

	itr = list_iterator_create(ret_list);
	while((ret_type = list_next(itr)) != NULL) {
	switch (ret_type->type) {
	case MESSAGE_STAT_JOBACCT:
	data_itr =
	list_iterator_create(ret_type->ret_data_list);
	while((ret_data_info = list_next(data_itr)) != NULL) {
	jobacct_msg = (stat_jobacct_msg_t *)
	ret_data_info->data;
	if(jobacct_msg) {
	debug2("got it back for job %d",
	jobacct_msg->job_id);
	jobacct_g_2_sacct(
	&temp_sacct2,
	jobacct_msg->jobacct);
	ntasks += jobacct_msg->num_tasks;
	aggregate_sacct(&temp_sacct,
	&temp_sacct2);
	}
	}
	break;
	case RESPONSE_SLURM_RC:
	rc = ret_type->msg_rc;
	error("there was an error with the request rc = %s",
	slurm_strerror(rc));
	break;
	default:
	rc = ret_type->msg_rc;
	error("unknown return given %d rc = %s",
	ret_type->type, slurm_strerror(rc));
	break;
	}
	}
	list_iterator_destroy(itr);
	list_destroy(ret_list);

	pthread_mutex_lock(&stat_mutex);
	aggregate_sacct(&step.sacct, &temp_sacct);
	step.ntasks += ntasks;
	pthread_mutex_unlock(&stat_mutex);
	cleanup:

	pthread_mutex_lock(&stat_mutex);
	thr_finished++;
	pthread_cond_signal(&stat_cond);
	pthread_mutex_unlock(&stat_mutex);
	return NULL;
	}

	int _sacct_query(resource_allocation_response_msg_t *job, uint32_t step_id)
	{
	slurm_msg_t *msg_array_ptr;
	stat_jobacct_msg_t r;
	int i;
	int *span = set_span(job->node_cnt, 0);
	forward_t forward;
	int thr_count = 0;

	debug("getting the stat of job %d on %d nodes",
	job->job_id, job->node_cnt);

	memset(&step.sacct, 0, sizeof(sacct_t));
	step.sacct.min_cpu = (float)NO_VAL;
	step.header.jobnum = job->job_id;
	step.header.partition = NULL;
	step.header.blockid = NULL;
	step.stepnum = step_id;
	step.nodes = job->node_list;
	step.stepname = NULL;
	step.status = JOB_RUNNING;
	step.ntasks = 0;
	msg_array_ptr = xmalloc(sizeof(slurm_msg_t) * job->node_cnt);

	/* Common message contents */
	r.job_id = job->job_id;
	r.step_id = step_id;
	r.jobacct = jobacct_g_alloc(NULL);

	forward.cnt = job->node_cnt;
	/* we need this for forwarding, but not really anything else, so
	this can be set to any sting as long as there are the same
	number as hosts we are going to */
	forward.name = xmalloc(sizeof(char) * (MAX_SLURM_NAME * forward.cnt));
	for(i=0; i < forward.cnt; i++) {
	strncpy(&forward.name[i*MAX_SLURM_NAME], "-", MAX_SLURM_NAME);
	}
	forward.addr = job->node_addr;
	forward.node_id = NULL;
	forward.timeout = 5000;

	thr_count = 0;
	for (i = 0; i < job->node_cnt; i++) {
	pthread_attr_t attr;
	pthread_t threadid;
	slurm_msg_t *m = &msg_array_ptr[thr_count];

	m->srun_node_id = 0;
	m->msg_type = MESSAGE_STAT_JOBACCT;
	m->data = &r;
	m->ret_list = NULL;
	m->orig_addr.sin_addr.s_addr = 0;

	memcpy(&m->address,
	&job->node_addr[i],
	sizeof(slurm_addr));

	forward_set(&m->forward,
	span[thr_count],
	&i,
	&forward);

	slurm_attr_init(&attr);
	if (pthread_attr_setdetachstate(&attr,
	PTHREAD_CREATE_DETACHED))
	error("pthread_attr_setdetachstate error %m");

	if(pthread_create(&threadid,
	&attr,
	_stat_thread,
	(void *) m)) {
	error("pthread_create error %m");
	exit(0);
	}
	slurm_attr_destroy(&attr);
	thr_count++;
	}
	xfree(span);
	xfree(forward.name);
	if (!thr_count) {
	fatal("No threads created!! exiting");
	}
	slurm_mutex_lock(&stat_mutex);
	while(thr_count > thr_finished) {
	pthread_cond_wait(&stat_cond, &stat_mutex);
	}
	slurm_mutex_unlock(&stat_mutex);

	pthread_cond_destroy(&stat_cond);
	slurm_mutex_destroy(&stat_mutex);
	if(step.ntasks) {
	step.sacct.ave_rss *= 1024;
	step.sacct.max_rss *= 1024;
	step.sacct.ave_vsize *= 1024;
	step.sacct.max_vsize *= 1024;

	step.sacct.ave_cpu /= step.ntasks;
	step.sacct.ave_cpu /= 100;
	step.sacct.min_cpu /= 100;
	step.sacct.ave_rss /= step.ntasks;
	step.sacct.ave_vsize /= step.ntasks;
	step.sacct.ave_pages /= step.ntasks;
	}
	xfree(msg_array_ptr);
	jobacct_g_free(r.jobacct);
	return SLURM_SUCCESS;
	}

	int _process_results()
	{
	print_fields(JOBSTEP, &step);
	return SLURM_SUCCESS;
	}

	int sacct_stat(uint32_t jobid, uint32_t stepid)
	{
	slurm_msg_t req_msg;
	slurm_msg_t resp_msg;
	stat_jobacct_msg_t req;
	resource_allocation_response_msg_t *job = NULL;
	int rc = SLURM_SUCCESS;

	debug("requesting info for job %u.%u", jobid, stepid);
	req.job_id = jobid;
	req.step_id = stepid;
	req.jobacct = jobacct_g_alloc(NULL);
	req_msg.msg_type = MESSAGE_STAT_JOBACCT;
	req_msg.data = &req;

	if (slurm_send_recv_controller_msg(&req_msg, &resp_msg) < 0) {
	jobacct_g_free(req.jobacct);
	return SLURM_ERROR;
	}

	jobacct_g_free(req.jobacct);

	switch (resp_msg.msg_type) {
	case RESPONSE_RESOURCE_ALLOCATION:
	job = (resource_allocation_response_msg_t *)resp_msg.data;
	break;
	case RESPONSE_SLURM_RC:
	rc = ((return_code_msg_t *) resp_msg.data)->return_code;
	slurm_free_return_code_msg(resp_msg.data);
	printf("problem getting job: %s\n", slurm_strerror(rc));
	slurm_seterrno_ret(rc);
	break;
	default:
	slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR);
	break;
	}

	if(!job) {
	error("didn't get the job record rc = %s", slurm_strerror(rc));
	return rc;
	}

	_sacct_query(job, stepid);
	slurm_free_resource_allocation_response_msg(job);

	_process_results();
	return rc;
	}