[dts] [PATCH] tests/nic_single_core_perf: modify accepted_tolerance to percentage

[Tu, Lijuan]

> -----Original Message-----
> From: Ali Alnubani <alialnu at nvidia.com>
> Sent: 2021年3月23日 16:44
> To: Tu, Lijuan <lijuan.tu at intel.com>
> Cc: dts at dpdk.org; dpdklab at iol.unh.edu
> Subject: RE: [dts] [PATCH] tests/nic_single_core_perf: modify
> accepted_tolerance to percentage
> 
> > -----Original Message-----
> > From: dts <dts-bounces at dpdk.org> On Behalf Of Lijuan Tu
> > Sent: Thursday, March 11, 2021 12:48 PM
> > To: dpdklab at iol.unh.edu
> > Cc: dts at dpdk.org; Lijuan Tu <lijuan.tu at intel.com>
> > Subject: [dts] [PATCH] tests/nic_single_core_perf: modify
> > accepted_tolerance to percentage
> >
> > * accepted_tolerance in conf/nic_single_core_perf.cfg are changed to
> > percentage, e.g.
> > 	accepted_tolerance = '1%%'
> > 	if not set, it will be set to 2% by default.
> > * delat in json are chagned to percentage too, e.g.
> > 	'delta': '1.5%'
> > * expected_throughput will be forced to 1Mpps for compute delat in
> > percentage
> > * add new conf test_interval in conf/nic_single_core_perf.cfg, which
> > indicates interval of getting throughput statistics in second, e.g.
> > 	test_interval = 10
> > 	if not set, it will be set to 5 seconds by default.
> > * collect better statistics , get multiple throughput statistics
> > during the test run, and compute the average as the final results.
> >
> > Signed-off-by: Lijuan Tu <lijuan.tu at intel.com>
> > ---
> <snipped>
> > +accepted_tolerance = '1%%'
> <snipped>
> > +                    diff =
> > + (self.throughput[fwd_config][frame_size][nb_desc] -
> > +
> > self.expected_throughput[fwd_config][frame_size][nb_desc])/ \
> > +
> > self.expected_throughput[fwd_config][frame_size][nb_desc]
> 
> The value of `diff` here is still a decimal, and needs to be multiplied by a 100
> before it can be compared to `accepted_tolerance`.
> 
> I suggest splitting this patch into multiple ones. One for making the percentage
> change and one for taking the mean for multiple readings since they are
> unrelated changes.
> I also see other unrelated changes not explained in the commit message.

Really appreciate for your review, I will accept your advices.

> 
> Thanks,
> Ali