From: Geliang Tang <geliangtang@gmail.com>
To: Paolo Abeni <pabeni@redhat.com>,
Matthieu Baerts <matthieu.baerts@tessares.net>
Cc: mptcp@lists.linux.dev
Subject: Re: [MPTCP][PATCH v3 mptcp-next] Squash to "mptcp: add tracepoint in mptcp_subflow_get_send"
Date: Fri, 2 Apr 2021 11:35:49 +0800 [thread overview]
Message-ID: <CA+WQbwug7fgP_sZurx2Bf8XfC1k+hDPLWf4rZ8wFpUFcB1xUYg@mail.gmail.com> (raw)
In-Reply-To: <323c294f0f6161da5dad17306775172add7d0dc5.camel@redhat.com>
Note: v2 wasn't shown in ML since I forgot to cc mptcp@lists.linux.dev in
it. Sorry about that.
-Geliang
Paolo Abeni <pabeni@redhat.com> 于2021年4月2日周五 上午1:14写道：
>
> On Fri, 2021-04-02 at 00:54 +0800, Geliang Tang wrote:
> > Reduce the indentation level and zero the uninitialized fields.
> >
> > Suggested-by: Paolo Abeni <pabeni@redhat.com>
> > Signed-off-by: Geliang Tang <geliangtang@gmail.com>
> > ---
> > include/trace/events/mptcp.h | 27 +++++++++++++++++----------
> > 1 file changed, 17 insertions(+), 10 deletions(-)
> >
> > diff --git a/include/trace/events/mptcp.h b/include/trace/events/mptcp.h
> > index f1c836573744..b1617a0162da 100644
> > --- a/include/trace/events/mptcp.h
> > +++ b/include/trace/events/mptcp.h
> > @@ -23,22 +23,29 @@ TRACE_EVENT(mptcp_subflow_get_send,
> > ),
> >
> > TP_fast_assign(
> > - bool sk = sk_fullsock(subflow->tcp_sock);
> > + struct sock *ssk;
> >
> > __entry->active = mptcp_subflow_active(subflow);
> > __entry->backup = subflow->backup;
> > - if (sk) {
> > - struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
> >
> > + if (subflow->tcp_sock && sk_fullsock(subflow->tcp_sock))
> > __entry->free = sk_stream_memory_free(subflow->tcp_sock);
> > - if (ssk) {
> > - __entry->snd_wnd = tcp_sk(ssk)->snd_wnd;
> > - __entry->pace = ssk->sk_pacing_rate;
> > - if (__entry->pace)
> > - __entry->ratio = div_u64((u64)ssk->sk_wmem_queued << 32,
> > - __entry->pace);
> > - }
> > + else
> > + __entry->free = 0;
> > +
> > + ssk = mptcp_subflow_tcp_sock(subflow);
> > + if (ssk && sk_fullsock(ssk)) {
> > + __entry->snd_wnd = tcp_sk(ssk)->snd_wnd;
> > + __entry->pace = ssk->sk_pacing_rate;
> > + } else {
> > + __entry->snd_wnd = 0;
> > + __entry->pace = 0;
> > }
> > +
> > + if (ssk && sk_fullsock(ssk) && __entry->pace)
> > + __entry->ratio = div_u64((u64)ssk->sk_wmem_queued << 32, __entry->pace);
> > + else
> > + __entry->ratio = 0;
> > ),
> >
> > TP_printk("active=%d free=%d snd_wnd=%u pace=%u backup=%u ratio=%llu",
>
> LGTM, thanks!
>
> Paolo
>
next prev parent reply other threads:[~2021-04-02 3:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-01 16:54 [MPTCP][PATCH v3 mptcp-next] Squash to "mptcp: add tracepoint in mptcp_subflow_get_send" Geliang Tang
2021-04-01 17:14 ` Paolo Abeni
2021-04-02 3:35 ` Geliang Tang [this message]
2021-04-02 19:18 ` Matthieu Baerts
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