Re: [dts] [PATCH] framework support get oversize for performance

["Liu, Yong" <yong.liu@intel.com>]

Applied and thanks for your explain. 

> -----Original Message-----
> From: Zhang, XiaonanX
> Sent: Tuesday, January 27, 2015 10:45 AM
> To: Liu, Yong; dts@dpdk.org
> Subject: RE: [dts] [PATCH] framework support get oversize for performance
> 
> Hi Yong,
>    I modified it for l3fwd performance about jumbo frame case as follows,
>    if frame_size > 1518,
>    l3fwd cmdline should add --enable-jumbo --max-pkt-len frame_size.
>    If we use ixia while rate return 0, We should focus on oversize at the
> same time.
> 
> 
> Best Regards
> Thanks
> 
> -----Original Message-----
> From: Liu, Yong
> Sent: Tuesday, January 27, 2015 9:35 AM
> To: Zhang, XiaonanX; dts@dpdk.org
> Subject: RE: [dts] [PATCH] framework support get oversize for performance
> 
> Hi xiaonan,
> Can you give use more detail information? Like that in which suite we
> should use oversize in replace of bitrate?
> 
> > -----Original Message-----
> > From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of Xiaonan Zhang
> > Sent: Monday, January 26, 2015 5:19 PM
> > To: dts@dpdk.org
> > Subject: [dts] [PATCH] framework support get oversize for performance
> >
> > From: "xiaonanx.zhang" <xiaonanx.zhang@intel.com>
> >
> > modify get_transmission_results function in framework etgen.py
> > use ixia api stat cget -oversize to get Oversize and CRC Errors
> >
> > add return get oversize condition
> >
> > Signed-off-by: xiaonanx.zhang <xiaonanx.zhang@intel.com>
> > ---
> >  framework/etgen.py | 7 ++++++-
> >  1 file changed, 6 insertions(+), 1 deletion(-)
> >
> > diff --git a/framework/etgen.py b/framework/etgen.py
> > index 2f2e975..f2da4ab 100644
> > --- a/framework/etgen.py
> > +++ b/framework/etgen.py
> > @@ -581,13 +581,18 @@ class IxiaPacketGenerator(SSHConnection):
> >              out = self.send_expect("stat cget -bitsReceived", '% ', 10)
> >              self.logger.debug("port %d bits rate:" % (port) + out)
> >              bpsRate += int(out.strip())
> > +            out = self.send_expect("stat cget -oversize", '%', 10)
> > +            oversize += int(out.strip())
> >
> >          self.logger.info("Rate: %f Mpps" % (rate * 1.0 / 1000000))
> >          self.logger.info("Mbps rate: %f Mbps" % (bpsRate * 1.0 /
> 1000000))
> >
> >          self.send_expect("ixStopTransmit portList", "%", 30)
> >
> > -        return (bpsRate, rate)
> > +        if rate == 0 and oversize > 0:
> > +            return (bpsRate, oversize)
> > +        else:
> > +            return (bpsRate, rate)
> >
> >      def config_ixia_dcb_init(self, rxPort, txPort):
> >          """
> > --
> > 1.9.3