netdev - tcp_probe tracepoint only when cwnd changes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <CAFgPn1Cw3OH6s8tv+EZrzndAXWo0Een2AHdfPx-Ztp_1HMkCfQ@mail.gmail.com>
Date:   Thu, 8 Feb 2018 22:13:58 -0500
From:   "Md. Islam" <mislam4@...t.edu>
To:     netdev@...r.kernel.org, Masami Hiramatsu <mhiramat@...nel.org>,
        stephen@...workplumber.org, mathieu.desnoyers@...ymtl.ca
Subject: tcp_probe tracepoint only when cwnd changes

Hi

I'm using tcp_probe tracepoint as [1]. It takes a snapshot each time
tcp_rcv_established() is called. However I need to take a snapshot
only when congestion window changes. Old tcp_probe had full=0 option
to achieve this. Is there a way to achieve this using tcp_probe
tracepoint?

Many thanks
Tamim

1. https://lkml.org/lkml/2017/12/18/126