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);
}
static long long int
time_msec__(struct clock *c)
{
struct timespec ts;
time_timespec__(c, &ts);
return timespec_to_msec(&ts);
}
static void
do_init_time(void)
{
struct timespec ts;
coverage_init();
init_clock(&monotonic_clock, (!clock_gettime(CLOCK_MONOTONIC, &ts)
? CLOCK_MONOTONIC
: CLOCK_REALTIME));
init_clock(&wall_clock, CLOCK_REALTIME);
boot_time = timespec_to_msec(&monotonic_clock.cache);
}
static void
do_init_time(void)
{
struct timespec ts;
#ifdef _WIN32
/* Calculate number of 100-nanosecond intervals till 01/01/1970. */
SYSTEMTIME unix_epoch_st = { 1970, 1, 0, 1, 0, 0, 0, 0};
FILETIME unix_epoch_ft;
SystemTimeToFileTime(&unix_epoch_st, &unix_epoch_ft);
unix_epoch.LowPart = unix_epoch_ft.dwLowDateTime;
unix_epoch.HighPart = unix_epoch_ft.dwHighDateTime;
#endif
coverage_init();
init_clock(&monotonic_clock, (!clock_gettime(CLOCK_MONOTONIC, &ts)
? CLOCK_MONOTONIC
: CLOCK_REALTIME));
init_clock(&wall_clock, CLOCK_REALTIME);
boot_time = timespec_to_msec(&monotonic_clock.cache);
}
