netdev - Re: [RFC iproute2-next 2/5] ss: make tcp

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Message-ID: <20180502142918.574a2685@xeon-e3>
Date:   Wed, 2 May 2018 14:29:18 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     netdev@...r.kernel.org
Subject: Re: [RFC iproute2-next 2/5] ss: make tcp_mem long

On Wed, 2 May 2018 14:08:53 -0700
Eric Dumazet <eric.dumazet@...il.com> wrote:

> On 05/02/2018 01:27 PM, Stephen Hemminger wrote:
> > The tcp_memory field in /proc/net/sockstat is formatted as
> > a long value by kernel. Change ss to keep this as full value.
> > 
> > Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
> > ---
> >  misc/ss.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/misc/ss.c b/misc/ss.c
> > index 22c76e34f83b..c88a25581755 100644
> > --- a/misc/ss.c
> > +++ b/misc/ss.c
> > @@ -4589,7 +4589,7 @@ static int get_snmp_int(const char *proto, const char *key, int *result)
> >  
> >  struct ssummary {
> >  	int socks;
> > -	int tcp_mem;
> > +	long tcp_mem;
> >  	int tcp_total;
> >  	int tcp_orphans;
> >  	int tcp_tws;
> > @@ -4629,7 +4629,7 @@ static void get_sockstat_line(char *line, struct ssummary *s)
> >  	else if (strcmp(id, "FRAG6:") == 0)
> >  		sscanf(rem, "%*s%d%*s%d", &s->frag6, &s->frag6_mem);
> >  	else if (strcmp(id, "TCP:") == 0)
> > -		sscanf(rem, "%*s%d%*s%d%*s%d%*s%d%*s%d",
> > +		sscanf(rem, "%*s%d%*s%d%*s%d%*s%d%*s%ld",
> >  		       &s->tcp4_hashed,
> >  		       &s->tcp_orphans, &s->tcp_tws, &s->tcp_total, &s->tcp_mem);
> >  }
> >   
> 
> Hi Stephen
> 
> It seems nothing uses yet the value ?

Yup. let's just drop it from the scan