int main(int argc, char **argv)
{
int i=0;
setsignals();
#ifdef RCU_SIGNAL
rcu_init();
#endif
setup_test(argc, argv);
printf("nbthreads %lu nbupdaters %lu nbbuckets %lu perbucket-pbnodes %lu nbtest %d nbreaders %d nbcores %d"
#ifdef POPULATE
" POPULATE"
#endif
"\n",
nbthreads, nbupdaters, nbbuckets, pbnodes, NB_TEST, nbreaders, get_nbcores());
for(; i < ITERATION; i++)
test(i);
double rops = get_avg(&trd_ops[0],ITERATION);
double wops = get_avg(&twr_ops[0],ITERATION);
printf("read ops per micsec = %g\n", rops);
printf("write ops per micsec = %g\n", wops);
printf("write/read = %g\n", wops/rops);
printf("nbmallocs = %g\n", get_avg(&run_mallocs[0],ITERATION));
printf("nbretry = %g\n", get_avg(&run_retry[0],ITERATION));
printf("nbrelink = %g\n", get_avg(&run_relink[0],ITERATION));
printf("nbreprev = %g\n", get_avg(&run_reprev[0],ITERATION));
printf("nbblockeds = %g\n", get_avg(&run_blockeds[0],ITERATION));
printf("sucess_search = %g on %g\n", get_avg(&run_sea[0],ITERATION), get_avg(&thd_ops[nbupdaters], nbreaders) );
printf("sucess_insert = %g on %g\n", get_avg(&run_ins[0],ITERATION), get_avg(&thd_ops[0], nbupdaters)/2);
printf("sucess_delete = %g on %g\n", get_avg(&run_del[0],ITERATION), get_avg(&thd_ops[0], nbupdaters)/2);
printf("\n");
printf("avg_max_read = %gus\n", get_max(&run_avg_rd[0],ITERATION));
printf("avg_avg_read = %gus\n", get_avg(&run_avg_rd[0],ITERATION));
printf("avg_min_read = %gus\n", get_min(&run_avg_rd[0],ITERATION));
printf("\n");
printf("avg_max_write = %gus\n", get_max(&run_avg_wr[0],ITERATION));
printf("avg_avg_write = %gus\n", get_avg(&run_avg_wr[0],ITERATION));
printf("avg_min_write = %gus\n", get_min(&run_avg_wr[0],ITERATION));
printf("\n");
printf("max_read = %gus\n", get_max(&run_max_rd[0],ITERATION));
printf("min_read = %gus\n", get_min(&run_min_rd[0],ITERATION));
printf("\n");
printf("max_write = %gus\n", get_max(&run_max_wr[0],ITERATION));
printf("min_write = %gus\n", get_min(&run_min_wr[0],ITERATION));
//printf("cpu time = %gus\n", get_avg(&run_cput[0],ITERATION));//FIXME
return 0;
}
static int setup(int argc, char** argv)
{
setargs(argc, argv);
if(setstdfds())
retwarn(-1, "cannot set initial fds 0, 1, 2");
if(setinitctl())
/* Not having telinit is bad, but aborting system startup
for this mere reason is likely even worse. */
warn("can't initialize initctl, init will be uncontrollable");
if(setsignals())
retwarn(-1, "failed to set signal handlers");
if(!configure(NONSTRICT))
setnewconf();
else if(!cfg)
retwarn(-1, "initial configuration error");
return 0;
}
void* run(void* arg)
{
unsigned long i;
char iamreader;
int key; long t = (long) arg; long nbn;//same cache line for the best rand!
double start, end;
node_t **hd;
lock_t *lck;
set_affinity(t);
/************ init *****************/
thd_ins = 0;
thd_del = 0;
thd_sea = 0;
nbmallocs = 0;
nbretry = 0;
nbrelink = 0;
nbreprev = 0;
nbfl = 0;
thread=t;
thd_nbupdaters=nbupdaters;
setsignals();
iamreader = t >= nbupdaters ? 1 : 0;
if(!iamreader) prealloc();
mysrand(t^time(NULL));
/************** init done **************/
/************** barrier ****************/
atomic_xadd4(&ready, 1);
while(!go) memory_barrier();
/******************* START ****************/
start = d_gettimeofday();
#ifdef RCU
rcu_register_thread();
#endif
i=0;
do{
key = myrand()%nbkeys;
//key = rand_r(&thd_seed)%nbthreads;
//key = (t+key)%nbkeys;
//key = random() % nbkeys;
//if(i%100000) printf("%d %d\n", thread, key);
get_buckets(key, &hd, &lck);
if(iamreader)
{
thd_sea += search(key, hd, lck);
if(i>= NB_TEST) break;
}
else
{
if(i%2)
thd_ins += insert(key, hd, lck);
else
thd_del += delete(key, hd, lck);
if(done) {
//printf("writer stopped\n");
break;
}
}
//if(!(i%10000))
//printf("%d loop %d\n", t, i);
#ifdef RCU_QSBR
#if ((defined RCU_QSBR_ACCELERATE) || (defined RCU_Q10))
#ifdef RCU_Q10
if(!(i%10))
#else
if(!(i%100))
#endif
#endif
rcu_quiescent_state();
#endif
}while(++i);
#ifdef RCU
//if(!iamreader) rcu_barrier();
//printf("iamreader %d, ops %d\n", iamreader, i);
rcu_unregister_thread();
#endif
end = d_gettimeofday();
/******************* END ****************/
//number of ops done
thd_ops[t] = i;
//printf("nbmallocs %g\n", nbmallocs);
thd_mallocs[t] = nbmallocs;
thd_retry[t] = nbretry;
thd_relink[t] = nbrelink;
thd_reprev[t] = nbreprev;
//if(t==0) printf("%lu | nbblocked %g\n", t, nbblockeds);
#ifdef RCU
thd_blockeds[t] = atomic_read_ptr(&rcublockeds);
#else
thd_blockeds[t] = nbblockeds;
#endif
//average time per ops
avg_time[t] = (((end - start))/i);
//total time
thd_time[t] = (end - start);
suc_ins[t] = thd_ins;
suc_sea[t] = thd_sea;
suc_del[t] = thd_del;
return NULL;
}
int
warn_send(char *receipient, char *msg)
{
register struct utmpx *ubuf;
static char rterminal[] = "/dev/\0 2345678901";
extern FILE *fp;
time_t tod;
char time_buf[40];
register int bad = 0;
char *rcp1, *rcp2, *rcp3;
(void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif
(void) textdomain(TEXT_DOMAIN);
/* Set "rterm" to location where receipient's terminal will go. */
rterm = &rterminal[sizeof ("/dev/") - 1];
/*
* strip any realm or instance from principal so we can match against unix
* userid.
*/
rcp1 = strdup(receipient);
rcp2 = strtok(rcp1, "@");
rcp3 = strtok(rcp2, "/");
/*
* Scan through the "utmpx" file for the
* entry for the person we want to send to.
*/
setutxent();
while ((ubuf = getutxent()) != NULL) {
if (ubuf->ut_type == USER_PROCESS) {
if (strncmp(rcp3, ubuf->ut_user,
sizeof (ubuf->ut_user)) == 0) {
strncpy(rterm, &ubuf->ut_line[0],
sizeof (ubuf->ut_line)+1);
/* Try to open up the line to the receipient's terminal. */
signal(SIGALRM, openfail);
alarm(5);
fp = fopen(&rterminal[0], "w");
alarm(0);
/* Catch signals SIGHUP, SIGINT, SIGQUIT, and SIGTERM, and send */
/* <EOT> message to receipient. */
setsignals(eof);
/* Get the time of day, convert it to a string and throw away the */
/* year information at the end of the string. */
time(&tod);
cftime(time_buf, "%c", &tod);
(void) fprintf(fp, gettext(
"\r\n\007\007\007\tMessage from %s@%s [ %s ] ...\r\n"),
progname, myhostname, time_buf);
sleep(1);
fprintf(fp, gettext("\r\nMessage to %s"), msg);
fflush(fp);
/* Since "end of file" received, send <EOT> message to receipient. */
eof();
fclose(fp);
}
}
}
free(rcp1);
/* Did we find a place to talk to? If we were looking for a */
/* specific spot and didn't find it, complain and log it. */
if (*rterm == '\0')
if (bad > 0) {
(void) syslog(LOG_ERR, gettext("no place to send.\n"));
return (1);
}
endutxent();
return (0);
}
// starts the client
static void start()
{
setsignals();
start_client();
}