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Multiple performance variables passed as environment variable #3

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Multiple performance variables passed as environment variable #3

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17 changes: 16 additions & 1 deletion mpi_t/gyan/gyan.c
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,15 @@ static void stop_watching(){
MPI_T_pvar_session_free(&session);
}

static void char_repl(char *string, char *from, char *to){
int i = 0;
while(string[i]!='\0'){
if(string[i] == *from) string[i] = *to;
i++;
}
}


static int get_watched_var_index_with_class( char *var_name, char *var_class_name ){
int i;
int var_class;
Expand Down Expand Up @@ -172,7 +181,6 @@ static void print_pvar_buffer_all(){
static void pvar_read_all(){
int i, j;
int size;
unsigned long long int zero = 0;
for(i = 0; i < pvar_num_watched; i++){
MPI_T_pvar_read(session, pvar_handles[i], read_value_buffer);
MPI_Type_size(perf_var_all[i].datatype, &size);
Expand Down Expand Up @@ -353,8 +361,12 @@ int MPI_Init(int *argc, char ***argv){
int set_default = 0;
if( (env_var_name != NULL )){
if(DEBUG)printf("Environment variable set: %s\n", env_var_name);

if(strlen(env_var_name) == 0){
set_default = 1;
} else{
//Feel free to extend this by any separator
if(strchr(env_var_name, ':') != NULL) char_repl(env_var_name, ":", ";");
}
}
else{
Expand Down Expand Up @@ -413,6 +425,7 @@ int MPI_Init(int *argc, char ***argv){
char *class_name;
for (i = 0; i < num; i++)
{

memcpy((env_var_name + index), perf_var_all[i].name, strlen(perf_var_all[i].name));
index += (strlen(perf_var_all[i].name) );
memcpy((env_var_name + index), ":", strlen(":"));
Expand All @@ -428,7 +441,9 @@ int MPI_Init(int *argc, char ***argv){

/* Now, start session for those variables in the watchlist*/
pvar_num_watched = 0;

char *p = strtok(env_var_name, ";");

pvar_value_buffer = (unsigned long long int**)malloc(sizeof(unsigned long long int*) * (num + 1));
int max_count = -1;
int k;
Expand Down