[dts] [PATCH V1 1/1] framework/pktgen: add actual line rate return for loss.

[Tu, Lijuan]

Is this the V2 ? sorry , I am confused by tag and another mail.

> -----Original Message-----
> From: Mo, YufengX
> Sent: Monday, March 16, 2020 10:29 AM
> To: dts at dpdk.org; Tu, Lijuan <lijuan.tu at intel.com>; Han, YingyaX
> <yingyax.han at intel.com>
> Cc: Mo, YufengX <yufengx.mo at intel.com>
> Subject: [dts][PATCH V1 1/1] framework/pktgen: add actual line rate return
> for loss.
> 
> 
> measure_rfc2544_dichotomy/loss rate add actual line rate return value.
> 
> Signed-off-by: yufengmx <yufengx.mo at intel.com>
> ---
>  framework/pktgen_base.py | 47 ++++++++++++++++++++++++++++++---------
> -
>  1 file changed, 35 insertions(+), 12 deletions(-)
> 
> diff --git a/framework/pktgen_base.py b/framework/pktgen_base.py index
> 7e1ff48..049142f 100644
> --- a/framework/pktgen_base.py
> +++ b/framework/pktgen_base.py
> @@ -263,6 +263,7 @@ class PacketGenerator(object):
>          """
>          delay = options.get('delay')
>          duration = options.get('duration') or 10
> +        throughput_stat_flag = options.get('throughput_stat_flag') or
> + False
>          self._prepare_transmission(stream_ids=stream_ids)
>          # start warm up traffic
>          self.__warm_up_pktgen(stream_ids, options, delay) @@ -270,6 +271,8
> @@ class PacketGenerator(object):
>          self._start_transmission(stream_ids, options)
>          # keep traffic within a duration time
>          time.sleep(duration)
> +        if throughput_stat_flag:
> +            _throughput_stats =
> + self.__get_single_throughput_statistic(stream_ids)
>          self._stop_transmission(None)
>          result = {}
>          used_rx_port = []
> @@ -287,7 +290,10 @@ class PacketGenerator(object):
>                  if loss_rate < 0:
>                      loss_rate = 0
>              result[port_id] = (loss_rate, tx_pkts, rx_pkts)
> -        return result
> +        if throughput_stat_flag:
> +            return result, _throughput_stats
> +        else:
> +            return result
> 
>      def measure_loss(self, stream_ids=[], options={}):
>          '''
> @@ -491,6 +497,7 @@ class PacketGenerator(object):
>          accuracy = options.get('accuracy') or 0.001
>          permit_loss_rate = options.get('pdr') or 0.0
>          duration = options.get('duration') or 10.0
> +        throughput_stat_flag = options.get('throughput_stat_flag') or
> + False
>          # start warm up traffic
>          delay = options.get('delay')
>          _options = {'duration': duration} @@ -505,10 +512,14 @@ class
> PacketGenerator(object):
>          traffic_rate_min = min_rate
>          while True:
>              # run loss rate testing
> -            _options = {'duration': duration}
> +            _options = {
> +                'throughput_stat_flag': throughput_stat_flag,
> +                'duration': duration, }
>              result = self._measure_loss(stream_ids, _options)
>              loss_rate_table.append([rate, result])
> -            status = self._check_loss_rate(result, permit_loss_rate)
> +            status = self._check_loss_rate(
> +                result[0] if throughput_stat_flag else result,
> +                permit_loss_rate)
>              # if upper bound rate percent hit, quit the left flow
>              if rate == max_rate and status:
>                  hit_result = result
> @@ -528,16 +539,28 @@ class PacketGenerator(object):
>              # set stream rate percent to custom value
>              self._set_stream_rate_percent(rate)
> 
> -        if not hit_result:
> -            msg = ('expected permit loss rate <{0}> '
> -                   'not between rate {1} and rate {2}').format(
> -                        permit_loss_rate, max_rate, min_rate)
> -            self.logger.error(msg)
> -            self.logger.info(pformat(loss_rate_table))
> -            ret_value = 0, result[0][1], result[0][2]
> +        if throughput_stat_flag:
> +            if not hit_result or not hit_result[0]:
> +                msg = ('expected permit loss rate <{0}> '
> +                       'not between rate {1} and rate {2}').format(
> +                            permit_loss_rate, max_rate, min_rate)
> +                self.logger.error(msg)
> +                self.logger.info(pformat(loss_rate_table))
> +                ret_value = 0, result[0][0][1], result[0][0][2], 0
> +            else:
> +                self.logger.debug(pformat(loss_rate_table))
> +                ret_value = rate, hit_result[0][0][1],
> + hit_result[0][0][2], hit_result[1][1]
>          else:
> -            self.logger.debug(pformat(loss_rate_table))
> -            ret_value = rate, hit_result[0][1], hit_result[0][2]
> +            if not hit_result:
> +                msg = ('expected permit loss rate <{0}> '
> +                       'not between rate {1} and rate {2}').format(
> +                            permit_loss_rate, max_rate, min_rate)
> +                self.logger.error(msg)
> +                self.logger.info(pformat(loss_rate_table))
> +                ret_value = 0, result[0][1], result[0][2]
> +            else:
> +                self.logger.debug(pformat(loss_rate_table))
> +                ret_value = rate, hit_result[0][1], hit_result[0][2]
>          self.logger.info("zero loss rate is %f" % rate)
> 
>          return ret_value
> --
> 2.21.0