[dts] [PATCH] framework support get oversize for performance
Zhang, XiaonanX
xiaonanx.zhang at intel.com
Tue Jan 27 03:45:18 CET 2015
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 at 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 at dpdk.org] On Behalf Of Xiaonan Zhang
> Sent: Monday, January 26, 2015 5:19 PM
> To: dts at dpdk.org
> Subject: [dts] [PATCH] framework support get oversize for performance
>
> From: "xiaonanx.zhang" <xiaonanx.zhang at 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 at 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
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