static void
benchmark(struct classifier *cls)
{
struct timespec before, after;
struct rusage rbefore, rafter;
struct flow_wildcards wc;
struct match match_wc_str;
struct flow flow;
size_t i;
memset(&flow, 0, sizeof flow);
flow.in_port.ofp_port = OFPP_LOCAL;
flow.dl_type = htons(ETH_TYPE_IP);
flow.nw_proto = IPPROTO_TCP;
fat_rwlock_rdlock(&cls->rwlock);
clock_gettime(CLOCK_MONOTONIC_RAW, &before);
getrusage(RUSAGE_SELF, &rbefore);
for (i = 0; i < 10000000; i++) {
eth_addr_random(flow.dl_src);
eth_addr_random(flow.dl_dst);
flow.nw_src = htonl(random_uint32());
flow.nw_dst = htonl(random_uint32());
flow.tp_src = htons(random_uint16());
flow.tp_dst = htons(random_uint16());
flow.tp_dst = htons(i);
flow_wildcards_init_catchall(&wc);
//VLOG_DBG("Finding relevant wc's for flow: tp_dst=%d (0x%04x)",
// ntohs(flow.tp_dst), ntohs(flow.tp_dst));
classifier_lookup(cls, &flow, &wc);
match_init(&match_wc_str, &flow, &wc);
//VLOG_DBG("Relevant fields: %s", match_to_string(&match_wc_str, 0));
}
getrusage(RUSAGE_SELF, &rafter);
clock_gettime(CLOCK_MONOTONIC_RAW, &after);
fat_rwlock_unlock(&cls->rwlock);
printf("real %lldms\n"
"user %lldms\n"
"sys %lldms\n"
"soft faults %ld\n"
"hard faults %ld\n",
timespec_to_msec(&after) - timespec_to_msec(&before),
timeval_to_msec(&rafter.ru_utime)
- timeval_to_msec(&rbefore.ru_utime),
timeval_to_msec(&rafter.ru_stime)
- timeval_to_msec(&rbefore.ru_stime),
rafter.ru_minflt - rbefore.ru_minflt,
rafter.ru_majflt - rbefore.ru_majflt);
}
/* Initializes 'match' as a "catch-all" match that matches every packet. */
void
match_init_catchall(struct match *match)
{
memset(&match->flow, 0, sizeof match->flow);
flow_wildcards_init_catchall(&match->wc);
}
