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adcl_setup.c
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/*
* Copyright (c) 2007 Cisco, Inc. All rights reserved.
* Copyright (c) 2010 University of Houston, Inc. All rights reserved.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <errno.h>
#include <math.h>
#include <time.h>
#include <signal.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
#include "otpo.h"
static int check_child_died (pid_t);
static int kill_child (pid_t);
static int get_next_combination (int *);
static int get_next_val (int, int);
static int check_rpn (int *);
static otpo_rpn_stack_element pop ();
static int push (otpo_rpn_stack_element);
static int set_mpi_arguments (char ***);
static int update_adcl_request (ADCL_Request);
unsigned int TIMEOUT = 200;
otpo_rpn_stack_element rpn_stack [RPN_MAX_ELEMENTS];
int rpn_stack_position;
/* Funtion that forks the mpirun */
void otpo_test_func (ADCL_Request req)
{
int attrs_num, *attrs_values_num;
int i,k,m,j,code,rc, fd;
int virtual, aggregate;
char *function_name;
char **attrs_names;
char **attrs_values_names;
pid_t pid;
int pipefd[2];
char c;
char cmd[100];
FILE *pfp = NULL;
if (pipe (pipefd) < 0)
{
if (errno == EMFILE)
printf ("EMFILE caught\n");
perror ("Pipe creation failed");
exit (errno);
}
code = 0;
rc = 0;
pid = fork();
if (0 > pid)
{
perror ("Fork Failed\n");
exit (errno);
}
else if (0 == pid) /* Child Process */
{
char ** mpi_args; /* argument list to execvp */
/* environment variables (parameters set) */
char env[LINE_SIZE];
char env_value[LINE_SIZE];
pid = setsid();
if (!debug)
{
close (1);
close (2);
}
set_mpi_arguments (&mpi_args);
ADCL_Request_get_curr_function (req, &function_name,
&attrs_names, &attrs_num,
&attrs_values_names, &attrs_values_num);
if (debug)
{
printf ("***********************************\n");
printf ("Exporting...\n");
}
for (i=0 ; i<attrs_num ; i++)
{
strcpy (env, "OMPI_MCA_");
strcat (env, attrs_names[i]);
for (j=0 ; j<attrs_num ; j++)
{
virtual = 0;
aggregate = 0;
if (0 == strcmp (list_params[j].name, attrs_names[i]))
{
if (OTPO_PARAM_IS_VIRTUAL (list_params[j]))
{
virtual = 1;
break;
}
else if (OTPO_PARAM_IS_AGGREGATE (list_params[j]))
{
aggregate = 1;
break;
}
}
}
if (virtual)
{
continue;
}
if (aggregate)
{
char *token = NULL;
token = strtok (attrs_values_names[i],"$");
if ('$' != attrs_values_names[i][0])
{
strcat(env_value,token);
token = strtok (NULL, "$");
}
while (NULL != token)
{
for (m=0 ; m<attrs_num ; m++)
{
if (0 == strcmp(attrs_names[m],token))
{
strcat(env_value,attrs_values_names[m]);
break;
}
}
if (m == attrs_num)
{
fprintf (stderr, "Can't resolve %s value\n",attrs_names[i]);
exit(1);
}
token = strtok (NULL, "$");
if (NULL == token)
{
break;
}
strcat(env_value,token);
token = strtok (NULL, "$");
}
}
else
{
strcpy (env_value, attrs_values_names[i]);
}
if (debug)
{
printf ("%d: %s=%s\n",i,env, env_value);
}
if (0>setenv(env,env_value,1))
{
perror ("SETENV Failed");
exit (errno);
}
}
for (k=0 ; k<attrs_num ; k++)
{
if (NULL != attrs_names[k])
{
free (attrs_names[k]);
}
if (NULL != attrs_values_names[k])
{
free (attrs_values_names[k]);
}
}
if (NULL != function_name)
{
free (function_name);
}
if (NULL != attrs_names)
{
free (attrs_names);
}
if (NULL != attrs_values_names)
{
free (attrs_values_names);
}
if (NULL != attrs_values_num)
{
free (attrs_values_num);
}
if (debug)
{
printf ("Executing now...\n");
}
close (pipefd[0]); /* close reading end of pipe */
fcntl (pipefd[1], F_SETFD, FD_CLOEXEC);
/* Put here benchmarks with no output file option */
switch (test) {
case OTPO_TEST_NPB:
if((fd = open("npb.out", O_RDWR | O_CREAT, S_IRWXU ))==-1){
perror("open");
return ;
}
break;
case OTPO_TEST_LATENCY_IO:
if((fd = open("latency_io.out", O_RDWR | O_CREAT, S_IRWXU ))==-1){
perror("open");
return ;
}
break;
case OTPO_TEST_NONCONTIG:
if((fd = open("noncontig.out", O_RDWR | O_CREAT, S_IRWXU ))==-1){
perror("open");
return ;
}
break;
case OTPO_TEST_MPI_TILE_IO:
if((fd = open("mpi_tile_io.out", O_RDWR | O_CREAT, S_IRWXU ))==-1){
perror("open");
return ;
}
break;
default:
break;
}
if (OTPO_TEST_NPB == test ||
OTPO_TEST_LATENCY_IO == test ||
OTPO_TEST_NONCONTIG == test ||
OTPO_TEST_MPI_TILE_IO == test) {
dup2(fd,STDOUT_FILENO); /*copy the file descriptor fd into standard output*/
dup2(fd,STDERR_FILENO); /* same, for the standard error */
close(fd); /* close the file descriptor as we don't need it more */
}
if (-1 == (code = execvp ("mpirun", mpi_args))) {
perror ("EXECVP failed");
write (pipefd[1], &code, sizeof(int));
exit (1);
}
}
else /* Parent Process */
{
close (pipefd[1]); /* close write end of pipe */
while (1)
{
rc = read(pipefd[0], &code, sizeof(int));
/* execvp was successfull, break */
if (0 == rc)
{
break;
}
else if (rc < 0)
{
/* Signal Safety */
if (EINTR == errno)
{
continue;
}
/* other signals are bad */
else
{
if (debug)
{
printf ("Error %d, Case Ignored..\n",errno);
}
ADCL_Request_update (req, 1000);
exit (1);
}
}
else
{
/* execvp failed !! */
if (debug)
{
printf ("Execvp failed, Case Ignored..\n");
}
ADCL_Request_update (req, 1000);
exit (1);
}
}
close (pipefd[0]);
if (check_child_died (pid))
{
if (SUCCESS != update_adcl_request (req))
{
fprintf (stderr,"Unable to update request\n");
exit (1);
}
}
else
{
if (debug)
{
printf ("CHILD did not die after timeout, I will TERMINATE him...\n");
}
if (SUCCESS == kill_child (pid))
{
if (debug)
{
printf ("Child is dead, this case will be ignored...\n");
}
ADCL_Request_update (req, 1000);
}
else
{
if (debug)
{
printf ("Child would just won't die.. Quitting ..\n");
}
exit(1);
}
}
}
return;
}
/* populate attributes for ADCL objects */
int otpo_populate_attributes (ADCL_Attribute *ADCL_param_attributes) {
int i, j, digits,k;
char **attr_val_names=NULL;
k=0;
for (i=0 ; i<num_parameters ; i++)
{
attr_val_names = (char **)malloc(sizeof(char *) * list_params[i].num_values);
if (NULL == attr_val_names)
{
printf("Malloc Failed...\n");
return NO_MEMORY;
}
/* generate the attribute values as strings */
for (j=0 ; j<list_params[i].num_values ; j++)
{
if (NULL != list_params[i].string_values[j])
{
attr_val_names[j] = strdup (list_params[i].string_values[j]);
continue;
}
if (0 < list_params[i].possible_values[j])
{
digits = (floor (log10 (abs (list_params[i].possible_values[j]))) + 1);
}
else if (0 == list_params[i].possible_values[j])
{
digits = 1;
}
else
{
digits = (floor (log10 (abs (list_params[i].possible_values[j]))) + 2);
}
attr_val_names[j] = NULL;
attr_val_names[j] = (char *)malloc(sizeof(char) * digits);
if (NULL == attr_val_names[j])
{
printf ("Malloc Failed... %d\n",j);
return NO_MEMORY;
}
snprintf (attr_val_names[j], digits+1, "%d", list_params[i].possible_values[j]);
}
/* create the attribute */
ADCL_Attribute_create (list_params[i].num_values, list_params[i].possible_values,
attr_val_names , list_params[i].name , &ADCL_param_attributes[k++]);
for (j=0 ; j<list_params[i].num_values ; j++)
{
if (NULL != attr_val_names[j])
{
free (attr_val_names[j]);
}
}
if (NULL != attr_val_names)
{
free (attr_val_names);
}
}
return SUCCESS;
}
/*
* Populate the functions, excluding unneeded combinations
* Create the function set
* Return the number of functions
*/
int otpo_populate_function_set (ADCL_Attrset attrset, int num_functions,
ADCL_Fnctset *fnctset)
{
int i, count, more, attr_vals[num_parameters];
ADCL_Function functions[num_functions];
char fnctset_name[20];
for (i=0 ; i<num_parameters ; i++)
{
attr_vals[i] = list_params[i].possible_values[0];
}
more = 1;
count = 0;
while (more)
{
if (check_rpn (attr_vals))
{
ADCL_Function_create ((ADCL_work_fnct_ptr *)otpo_test_func, attrset,
attr_vals, (char *)tests_names[test], &functions[count++]);
}
else {
if (debug)
{
printf("Removing the Combination:\t");
for (i=0 ; i<num_parameters ; i++)
{
printf("%d\t",attr_vals[i]);
}
printf("\n");
}
}
more = get_next_combination (attr_vals);
}
sprintf(fnctset_name, "%s FNCTSET", tests_names[test]);
ADCL_Fnctset_create (count, functions, fnctset_name, fnctset);
return count;
}
/* Check that the combination attr_vals, satisfies all rpns */
static int check_rpn (int *attr_vals)
{
int i, j, ret;
otpo_rpn_stack_element e1, e2, e3;
ret = 1;
for (i=0 ; i<num_parameters; i++)
{
if (0 == ret)
{
break;
}
if (0 == list_params[i].num_rpn_elements)
{
continue;
}
rpn_stack_position = 0;
j = 0;
while (1)
{
if (list_params[i].num_rpn_elements == j)
{
break;
}
if (list_params[i].rpn_elements[j].is_operator)
{
char *temp1=NULL,*temp2=NULL;
e1 = pop();
if (STRING == e1.type.operand_type) {
temp1 = strdup (e1.value.string_value);
}
else if (PARAM == e1.type.operand_type) {
int k = 0;
while (1) {
if (attr_vals[e1.value.param_index] ==
list_params[e1.value.param_index].possible_values[k]) {
temp1 = strdup
(list_params[e1.value.param_index].string_values[k]);
break;
}
k++;
}
}
e2 = pop();
if (STRING == e2.type.operand_type) {
temp2 = strdup (e2.value.string_value);
}
else if (PARAM == e2.type.operand_type) {
int k = 0;
while (1) {
if (attr_vals[e2.value.param_index] ==
list_params[e2.value.param_index].possible_values[k]) {
temp2 = strdup
(list_params[e2.value.param_index].string_values[k]);
break;
}
k++;
}
}
e3.type.operand_type = INTEGER;
e3.is_operator = 0;
switch (list_params[i].rpn_elements[j].type.operator_type)
{
case EQUAL:
if (NULL != temp1 && NULL != temp2)
e3.value.integer_value =
((strcmp(temp2,temp1)) ? 0 : 1);
if (INTEGER == e2.type.operand_type && INTEGER == e1.type.operand_type)
e3.value.integer_value =
((e2.value.integer_value == e1.value.integer_value) ? 1 : 0);
push (e3);
break;
case NEQUAL:
if (NULL != temp1 && NULL != temp2)
e3.value.integer_value =
((strcmp(temp1,temp2)) ? 1 : 0);
if (INTEGER == e2.type.operand_type && INTEGER == e1.type.operand_type)
e3.value.integer_value =
((e2.value.integer_value == e1.value.integer_value) ? 0 : 1);
push (e3);
break;
case ADD:
e3.value.integer_value =
e1.value.integer_value + e2.value.integer_value;
push (e3);
break;
case SUBTRACT:
e3.value.integer_value =
e2.value.integer_value - e1.value.integer_value;
push (e3);
break;
case MULTIPLY:
e3.value.integer_value =
e2.value.integer_value * e1.value.integer_value;
push (e3);
break;
case DIVIDE:
e3.value.integer_value =
e2.value.integer_value / e1.value.integer_value;
push (e3);
break;
case GREATER:
e3.value.integer_value =
((e2.value.integer_value > e1.value.integer_value) ? 1 : 0);
push (e3);
break;
case LESS:
e3.value.integer_value =
((e2.value.integer_value < e1.value.integer_value) ? 1 : 0);
push (e3);
break;
case GEQUAL:
e3.value.integer_value =
((e2.value.integer_value >= e1.value.integer_value) ? 1 : 0);
push (e3);
break;
case LEQUAL:
e3.value.integer_value =
((e2.value.integer_value <= e1.value.integer_value) ? 1 : 0);
push (e3);
break;
case AND:
e3.value.integer_value =
((e2.value.integer_value==1 && e1.value.integer_value==1) ? 1 : 0);
push (e3);
break;
case OR:
e3.value.integer_value =
((e2.value.integer_value==1 || e1.value.integer_value==1) ? 1 : 0);
push (e3);
break;
default:
fprintf (stderr, "Invalid operator\n");
exit(1);
}
if (NULL != temp1) {
free (temp1);
temp1 = NULL;
}
if (NULL != temp2) {
free (temp2);
temp2 = NULL;
}
}
else
{
push (list_params[i].rpn_elements[j]);
}
j ++;
}
if (1 == rpn_stack_position)
{
ret = rpn_stack[0].value.integer_value;
if (!ret && attr_vals[i] == list_params[i].possible_values[0]) {
ret = 1;
}
}
else if (1 != rpn_stack_position)
{
fprintf (stderr, "RPN Condition is not Valid\n");
exit (1);
}
}
return ret;
}
static otpo_rpn_stack_element pop ()
{
if (0 < rpn_stack_position)
{
return rpn_stack[--rpn_stack_position];
}
else
{
fprintf (stderr, "RPN Stack is EMPTY\n");
exit (1);
}
}
static int push (otpo_rpn_stack_element element)
{
if (RPN_MAX_ELEMENTS > rpn_stack_position)
{
rpn_stack[rpn_stack_position++] = element;
/*
if (STRING == element.type.operand_type) {
printf ("PUSHING %s\n", element.value.string_value);
}
else if (PARAM == element.type.operand_type) {
printf ("PUSHING %s\n", list_params[element.value.param_index].name);
}
else if (INTEGER == element.type.operand_type) {
printf ("PUSHING %d\n", element.value.integer_value);
}
*/
}
else
{
fprintf (stderr, "RPN Stack is FULL\n");
exit (1);
}
return SUCCESS;
}
static int get_next_combination (int *attr_vals)
{
int i, current;
for (i=0 ; i<num_parameters ; i++)
{
current = attr_vals[i];
if (current < list_params[i].possible_values[list_params[i].num_values-1])
{
attr_vals[i] = get_next_val (i, attr_vals[i]);
return 1;
}
else if (current == list_params[i].possible_values[list_params[i].num_values-1])
{
attr_vals[i] = list_params[i].possible_values[0];
}
}
return 0;
}
static int get_next_val (int index, int val)
{
int i, next_val=-1;
for (i=0 ; i<list_params[index].num_values ; i++)
{
if (list_params[index].possible_values[i] == val)
{
next_val = i;
break;
}
}
if (-1 != next_val && next_val != (list_params[index].num_values-1))
{
next_val = list_params[index].possible_values[i+1];
}
return next_val;
}
static int check_child_died (pid_t pid)
{
time_t end;
pid_t ret;
end = time (NULL) + TIMEOUT;
do
{
ret = waitpid (pid, 0, WNOHANG);
if (pid == ret)
{
/* it died */
return 1;
}
else if (-1 == pid && ECHILD == errno)
{
/* good enough */
return 1;
}
} while (time(NULL) < end);
/* still alive */
return 0;
}
static int kill_child (pid_t pid)
{
if (debug)
{
printf ("Killing the child with SIGTREM...\n");
}
if (0 == kill (pid, SIGTERM))
{
return SUCCESS;
}
if (debug)
{
printf ("SIGTREM didn't kill the child, will try SIGINT...\n");
}
if (0 == kill (pid, SIGINT))
{
return SUCCESS;
}
if (debug)
{
printf ("SIGINT didn't kill the child, I will be violent...\n");
}
if (0 == kill (pid, SIGKILL))
{
return SUCCESS;
}
return FAIL;
}
static int set_mpi_arguments (char *** mpi_args)
{
int i=0,k;
char temp[2];
/* JMS: do not use a hard-coded 20 here */
(*mpi_args) = (char **)malloc(sizeof(char*) * (mca_args_len + 20));
(*mpi_args)[0] = "mpirun";
(*mpi_args)[1] = "-np";
(*mpi_args)[2] = num_proc;
for (i=3 ; i<mca_args_len+3 ; i++)
{
(*mpi_args)[i] = mca_args[i-3];
}
if (NULL != hostf)
{
(*mpi_args)[i++] = "-hostfile";
(*mpi_args)[i++] = hostf;
}
else if (OTPO_TEST_NETPIPE == test)
{
(*mpi_args)[i++] = "--bynode";
}
#if LEAVE_PINNED
(*mpi_args)[i++] = "--mca";
(*mpi_args)[i++] = "mpi_leave_pinned";
(*mpi_args)[i++] = "1";
#endif
#if PAFFINITY_ALONE
(*mpi_args)[i++] = "--mca";
(*mpi_args)[i++] = "mpi_paffinity_alone";
(*mpi_args)[i++] = "1";
#endif
(*mpi_args)[i++] = test_path;
switch(test) {
case OTPO_TEST_NETPIPE:
(*mpi_args)[i++] = "-l";
(*mpi_args)[i++] = msg_size;
(*mpi_args)[i++] = "-u";
(*mpi_args)[i++] = msg_size;
(*mpi_args)[i++] = "-p 0";
break;
case OTPO_TEST_SKAMPI:
(*mpi_args)[i++] = "-i";
(*mpi_args)[i++] = "skampi.ski";
(*mpi_args)[i++] = "-o";
(*mpi_args)[i++] = "skampi.sko";
break;
case OTPO_TEST_NPB: /* No argument so far */
break;
case OTPO_TEST_LATENCY_IO:
sprintf (temp,"%d",op_num);
(*mpi_args)[i++] = "-m";
(*mpi_args)[i++] = "12";
(*mpi_args)[i++] = "-s";
(*mpi_args)[i++] = msg_size;
(*mpi_args)[i++] = "-p";
(*mpi_args)[i++] = output_dir;
(*mpi_args)[i++] = "-f";
(*mpi_args)[i++] = "io_test";
break;
case OTPO_TEST_NONCONTIG:
(*mpi_args)[i++] = "-fname";
(*mpi_args)[i++] = "io_test";
(*mpi_args)[i++] = "-fsize";
(*mpi_args)[i++] = "20";
(*mpi_args)[i++] = "-veclen";
(*mpi_args)[i++] = num_proc;
(*mpi_args)[i++] = "-timing";
(*mpi_args)[i++] = "-coll";
break;
case OTPO_TEST_MPI_TILE_IO:
(*mpi_args)[i++] = "--filename";
(*mpi_args)[i++] = "io_test";
(*mpi_args)[i++] = "--write_file";
(*mpi_args)[i++] = "--collective";
(*mpi_args)[i++] = "--nr_tiles_x";
(*mpi_args)[i++] = "--nr_tiles_y";
(*mpi_args)[i++] = "--sz_tile_x";
(*mpi_args)[i++] = "--sz_tile_y";
(*mpi_args)[i++] = "--sz_element";
(*mpi_args)[i++] = msg_size;
break;
}
(*mpi_args)[i++] = NULL;
for (k=0 ; k<i-1 ; k++) {
printf ("%s ", (*mpi_args)[k]);
}
printf ("\n");
return SUCCESS;
}
static int update_adcl_request (ADCL_Request req)
{
char line[LINE_SIZE];
char *tok;
double latency, bandwidth,exetime;
FILE *fp;
int counter=0;
char *ch=NULL,*temp;
switch(test) {
case OTPO_TEST_NETPIPE:
open:
fp = fopen ("np.out", "r");
if (NULL == fp)
{
if (EINTR == errno)
{
/* try again */
goto open;
}
printf ("Can't open file np.out\n");
return FAIL;
}
while (NULL != fgets (line, LINE_SIZE, fp))
{
tok = strtok (line," \t");
tok = strtok (NULL," \t");
tok = strtok (NULL," \t");
if ( tok != NULL ) {
latency = strtod (tok,NULL);
if (debug)
{
printf ("latency = %f usec\n",latency*1000000);
}
ADCL_Request_update (req, latency*1000000);
}
else {
printf("Could not read value from np.out. Adding 10000000 instead.\n");
ADCL_Request_update (req, 10000000 );
}
}
break;
case OTPO_TEST_SKAMPI:
do {
fp = fopen ("skampi.sko","r");
if (NULL == fp)
{
printf ("--> Can't open skampi.sko\n");
//sleep ( 1 );
counter++;
}
} while ( fp == NULL && counter < 20 );
if ( NULL != fp ) {
int tmp;
/* in skampi-5.0.1 the relevant information was line 4 in skampi-5.0.4 it is line 7
*/
fgets (line, LINE_SIZE, fp);
fgets (line, LINE_SIZE, fp);
fgets (line, LINE_SIZE, fp);
fgets (line, LINE_SIZE, fp);
fgets (line, LINE_SIZE, fp);
fgets (line, LINE_SIZE, fp);
fgets (line, LINE_SIZE, fp);
printf("Line parsed: %s\n", line );
// tok = strtok (line," \t");
// tok = strtok (NULL," \t");
// latency = strtod (tok,NULL);
sscanf(line,"%d %lf", &tmp, &latency);
// if (debug)
// {
printf ("Time taken = %f usec\n",latency);
// }
}
else {
printf("Could not read value from skampi.sko. Adding 10000000 instead.\n");
latency = 100000.0;
}
ADCL_Request_update (req, latency);
if ( NULL != fp ) {
fclose(fp);
//sleep(1);
fsync(fileno(fp));
remove("skampi.sko");
}
break;
case OTPO_TEST_NPB:
open2:
fp = fopen ("npb.out", "r");
if (NULL == fp)
{
if (EINTR == errno)
{
/* try again */
goto open2;
}
printf ("--> Can't open npb.out\n");
return FAIL;
}
//commented previuos version to read time and added new version below Shweta jha
/* fseek ( fp , -466 , SEEK_END );
fgets (line, LINE_SIZE, fp);
printf("Line parsed: %s\n", line );
tok = strtok (line," \t");
latency = strtod (tok,NULL);*/
while((fgets(line,LINE_SIZE,fp))!= NULL )
{
// printf("line parsed is %s \n",line);
ch=strtok(line," ");
while(ch!=NULL)
{
// printf("%s\n", ch); \
if(strcmp(ch,"seconds")==0)
{
ch=strtok(NULL,"\n");
// printf("selected %s\n",ch); \
temp=ch;
temp=strtok(temp,"=");
exetime=atof(temp);
printf("time taken in seconds is %f\n",exetime);
}
ch=strtok(NULL," ");
}
}
latency=exetime;
ADCL_Request_update (req, latency);
fclose(fp);
remove("npb.out");
break;
case OTPO_TEST_LATENCY_IO:
open3:
fp = fopen ("latency_io.out", "r");
if (NULL == fp)
{
if (EINTR == errno)
{
/* try again */
goto open3;
}
printf ("--> Can't open noncontig.out\n");
return FAIL;
}
while (1) {
fgets (line, LINE_SIZE, fp);
if (line[0] == 'T') {
break;
}
}
tok = strtok (line," \t");