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add thread pool feature

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This commit is contained in:
laurent
2019-03-25 10:09:04 +01:00
parent e492b971e1
commit 0f9fbef24d
3 changed files with 46 additions and 33 deletions
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common/utils/threadPool/thread-pool.c
+32 -21
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@@ -10,7 +10,9 @@
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <thread-pool.h>
#include <ctype.h>
#include <sys/sysinfo.h>
#include <threadPool/thread-pool.h>
void displayList(notifiedFIFO_t *nf) {
int n=0;
@@ -46,12 +48,16 @@ static inline notifiedFIFO_elt_t *pullNotifiedFifoRemember( notifiedFIFO_t *nf,
void *one_thread(void *arg) {
struct one_thread *myThread=(struct one_thread *) arg;
struct thread_pool *tp=myThread->pool;
// configure the thread core assignment
// TBD: reserve the core for us exclusively
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
CPU_SET(myThread->coreID, &cpuset);
pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
if ( myThread->coreID >= 0 && myThread->coreID < get_nprocs_conf()) {
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
CPU_SET(myThread->coreID, &cpuset);
pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
}
//Configure the thread scheduler policy for Linux
struct sched_param sparam= {0};
sparam.sched_priority = sched_get_priority_max(SCHED_RR);
@@ -112,22 +118,27 @@ void initTpool(char *params,tpool_t *pool, bool performanceMeas) {
curptr=strtok_r(params,",",&saveptr);
while ( curptr!=NULL ) {
if (curptr[0] == 'u' || curptr[0] == 'U') {
pool->restrictRNTI=true;
} else if ( curptr[0]>='0' && curptr[0]<='9' ) {
struct one_thread *tmp=pool->allthreads;
pool->allthreads=(struct one_thread *)malloc(sizeof(struct one_thread));
pool->allthreads->next=tmp;
printf("create a thread for core %d\n", atoi(curptr));
pool->allthreads->coreID=atoi(curptr);
pool->allthreads->id=pool->nbThreads;
pool->allthreads->pool=pool;
pthread_create(&pool->allthreads->threadID, NULL, one_thread, (void *)pool->allthreads);
pool->nbThreads++;
} else if (curptr[0] == 'n' || curptr[0] == 'N') {
pool->activated=false;
} else
printf("Error in options for thread pool: %s\n",curptr);
int c=toupper(curptr[0]);
switch (c) {
case 'U':
pool->restrictRNTI=true;
break;
case 'N':
pool->activated=false;
break;
default:
pool->allthreads=(struct one_thread *)malloc(sizeof(struct one_thread));
pool->allthreads->next=pool->allthreads;
printf("create a thread for core %d\n", atoi(curptr));
pool->allthreads->coreID=atoi(curptr);
pool->allthreads->id=pool->nbThreads;
pool->allthreads->pool=pool;
pthread_create(&pool->allthreads->threadID, NULL, one_thread, (void *)pool->allthreads);
pool->nbThreads++;
}
curptr=strtok_r(NULL,",",&saveptr);
}