import errno
import logging
+import datetime
+import time
from yardstick.common.process import check_if_process_failed
from yardstick.network_services.vnf_generic.vnf.prox_helpers import ProxDpdkVnfSetupEnvHelper
from yardstick.network_services.vnf_generic.vnf.prox_helpers import ProxResourceHelper
-from yardstick.network_services.vnf_generic.vnf.sample_vnf import SampleVNF, PROCESS_JOIN_TIMEOUT
+from yardstick.network_services.vnf_generic.vnf.sample_vnf import SampleVNF
+from yardstick.network_services.constants import PROCESS_JOIN_TIMEOUT
LOG = logging.getLogger(__name__)
if resource_helper_type is None:
resource_helper_type = ProxResourceHelper
+ self.prev_packets_in = 0
+ self.prev_packets_sent = 0
+ self.prev_time = time.time()
super(ProxApproxVnf, self).__init__(name, vnfd, setup_env_helper_type,
resource_helper_type)
raise RuntimeError("Failed ..Invalid no of ports .. "
"1, 2 or 4 ports only supported at this time")
- port_stats = self.vnf_execute('port_stats', range(port_count))
+ self.port_stats = self.vnf_execute('port_stats', range(port_count))
+ curr_time = time.time()
try:
- rx_total = port_stats[6]
- tx_total = port_stats[7]
+ rx_total = self.port_stats[6]
+ tx_total = self.port_stats[7]
except IndexError:
- LOG.error("port_stats parse fail %s", port_stats)
+ LOG.debug("port_stats parse fail ")
# return empty dict so we don't mess up existing KPIs
return {}
result = {
- "packets_in": tx_total,
- "packets_dropped": (tx_total - rx_total),
- "packets_fwd": rx_total,
+ "packets_in": rx_total,
+ "packets_dropped": max((tx_total - rx_total), 0),
+ "packets_fwd": tx_total,
# we share ProxResourceHelper with TG, but we want to collect
# collectd KPIs here and not TG KPIs, so use a different method name
"collect_stats": self.resource_helper.collect_collectd_kpi(),
}
- LOG.debug("%s collect KPIs %s", self.APP_NAME, result)
+ curr_packets_in = int((rx_total - self.prev_packets_in) / (curr_time - self.prev_time))
+ curr_packets_fwd = int((tx_total - self.prev_packets_sent) / (curr_time - self.prev_time))
+
+ result["curr_packets_in"] = curr_packets_in
+ result["curr_packets_fwd"] = curr_packets_fwd
+
+ self.prev_packets_in = rx_total
+ self.prev_packets_sent = tx_total
+ self.prev_time = curr_time
+
+ LOG.debug("%s collect KPIs %s %s", self.APP_NAME, datetime.datetime.now(), result)
return result
def _tear_down(self):