From: Bruce Richardson <bruce.richardson@intel.com>
To: "Etelson, Gregory" <getelson@nvidia.com>
Cc: "Stephen Hemminger" <stephen@networkplumber.org>,
dev@dpdk.org, <mkashani@nvidia.com>,
rasland@nvidia.com, alialnu@nvidia.com
Subject: Re: [PATCH] cmdline: configure input buffer size
Date: Wed, 1 May 2024 17:30:40 +0100 [thread overview]
Message-ID: <ZjJuMGEVYZLIZgo7@bricha3-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <3ee37b9c-25f-cf53-5b3-63b736327766@nvidia.com>
On Wed, May 01, 2024 at 06:56:37PM +0300, Etelson, Gregory wrote:
> Hello Stephen,
>
> > > > Basic question, what would be the impact of increasing the default from 512
> > > > to 1k or 2k? Do we get a large memory footprint increase, or is it just an
> > > > extra 1 or 2k of memory used?
> > > >
> > > > /Bruce
> > > >
> > >
> > > Increasing the RDLINE_BUF_SIZE size will also increase application memory usage.
> > > However, that memory increase was required, because application could not fit
> > > it's command line into the default buffer.
> > >
> > > Applications that can run with the default RDLINE_BUF_SIZE are not affected by
> > > that patch.
> > >
> > > Regards,
> > > Gregory
> >
> >
> > The buffer is transient so should have little impact.
> > Why not just use LINE_MAX from limits.h?
> >
>
> The LINE_MAX value will be enough even for the template API testpmd commands.
> If there will be no objections, I'll set LINE_MAX as the new
> RDLINE_BUF_SIZE.
>
+1 for just upping the size.
Thanks.
next prev parent reply other threads:[~2024-05-01 16:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-01 5:26 Gregory Etelson
2024-05-01 9:08 ` Bruce Richardson
2024-05-01 10:06 ` Etelson, Gregory
2024-05-01 14:42 ` Stephen Hemminger
2024-05-01 15:56 ` Etelson, Gregory
2024-05-01 16:30 ` Bruce Richardson [this message]
2024-05-01 17:18 ` [PATCH v2] cmdline: increase " Gregory Etelson
2024-05-01 18:26 ` Morten Brørup
2024-05-02 7:27 ` Bruce Richardson
2024-05-03 4:27 ` [PATCH v3] " Gregory Etelson
2024-05-15 8:41 ` Gregory Etelson
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