cpus_t *read_force_affinity(int n_avail, int verbose) {
int sz = n_avail <= 1 ? 1 : n_avail ;
tsc_t max = sec / 100 ;
for ( ; ; ) {
warm_up(sz+1,max) ;
cpus_t *r = read_affinity() ;
if (n_avail <= r->sz) return r ;
if (verbose) {
fprintf(stderr,"Read affinity: '") ;
cpus_dump(stderr,r) ;
fprintf(stderr,"'\n") ;
}
cpus_free(r) ;
}
}
void force_one_affinity(int a, int sz,int verbose, char *name) {
if (a >= 0) {
cpu_set_t mask;
int r ;
CPU_ZERO(&mask) ;
CPU_SET(a,&mask) ;
do {
r = pthread_setaffinity_np(pthread_self(), sizeof(mask), &mask) ;
if (r != 0) {
if (verbose)
fprintf(stderr,"%s: force %i failed\n",name,a) ;
int nwarm = get_present() ;
if (verbose > 1)
fprintf(stderr,"%s: present=%i\n",name,nwarm) ;
if (nwarm < 0) nwarm = sz+1 ;
warm_up(nwarm,sec/100) ;
}
} while (r != 0) ;
}
}
/**
* Run the simulation taking stats for some batches.
*
* The simulation are split in three phases:
* Warm-up, Convergency assurement & Stationary state.
*
* @see warm_up()
* @see convergency()
* @see stationary()
*/
void run_network_batch(void){
warm_up();
convergency();
stationary();
}
