netdev - Re: [PATCH] tcp: remove redundant new line from tcp_event_sk

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Message-ID: <20191109103407.GA61998@TonyMac-Alibaba>
Date:   Sat, 9 Nov 2019 18:34:07 +0800
From:   Tony Lu <tonylu@...ux.alibaba.com>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     edumazet@...gle.com, rostedt@...dmis.org, mingo@...hat.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yafang Shao <laoar.shao@...il.com>
Subject: Re: [PATCH] tcp: remove redundant new line from tcp_event_sk_skb

Thanks for your comments, I am going to append the tag.

Cheers,
Tony Lu

On Fri, Nov 08, 2019 at 04:22:19AM -0800, Eric Dumazet wrote:
> 
> 
> On 11/8/19 1:50 AM, Tony Lu wrote:
> > This removes '\n' from trace event class tcp_event_sk_skb to avoid
> > redundant new blank line and make output compact.
> > 
> > Signed-off-by: Tony Lu <tonylu@...ux.alibaba.com>
> > ---
> >  include/trace/events/tcp.h | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/include/trace/events/tcp.h b/include/trace/events/tcp.h
> > index 2bc9960a31aa..cf97f6339acb 100644
> > --- a/include/trace/events/tcp.h
> > +++ b/include/trace/events/tcp.h
> > @@ -86,7 +86,7 @@ DECLARE_EVENT_CLASS(tcp_event_sk_skb,
> >  			      sk->sk_v6_rcv_saddr, sk->sk_v6_daddr);
> >  	),
> >  
> > -	TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c state=%s\n",
> > +	TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c state=%s",
> >  		  __entry->sport, __entry->dport, __entry->saddr, __entry->daddr,
> >  		  __entry->saddr_v6, __entry->daddr_v6,
> >  		  show_tcp_state_name(__entry->state))
> > 
> 
> This seems good to me. Only few comments :
> 
> I would add a
> 
> Fixes: af4325ecc24f ("tcp: expose sk_state in tcp_retransmit_skb tracepoint")
> 
> And also CC (I just did in this reply) the author of the above patch to make sure nothing unexpected happens.
> 
> Thanks.
> 
> Reviewed-by: Eric Dumazet <edumazet@...gle.com>