On Fri, Feb 7, 2025 at 7:04 PM Breno Leitao <lei...@debian.org> wrote: > > Add a lightweight tracepoint to monitor TCP congestion window > adjustments via tcp_cwnd_reduction(). This tracepoint enables tracking > of: > - TCP window size fluctuations > - Active socket behavior > - Congestion window reduction events > > Meta has been using BPF programs to monitor this function for years. > Adding a proper tracepoint provides a stable API for all users who need > to monitor TCP congestion window behavior. > > Use DECLARE_TRACE instead of TRACE_EVENT to avoid creating trace event > infrastructure and exporting to tracefs, keeping the implementation > minimal. (Thanks Steven Rostedt) > > Signed-off-by: Breno Leitao <lei...@debian.org> > ---
I can give my +2 on this patch, although I have no way of testing it. I will trust Steven on this :) Reviewed-by: Eric Dumazet <eduma...@google.com>