From: Marcelo <marcelo.leitner@gmail.com>
To: linux-sctp@vger.kernel.org
Subject: Re: ABORT after COOKIE_ECHO
Date: Fri, 07 Jul 2017 23:03:19 +0000 [thread overview]
Message-ID: <20170707230319.GT18138@localhost.localdomain> (raw)
In-Reply-To: <CAFXGft+WBxm+7JK1imsP=M_go60WWHSsOurJPr=3=FZzWDShqg@mail.gmail.com>
On Fri, Jul 07, 2017 at 11:23:02PM +1200, Xin Long wrote:
> On Mon, Jul 3, 2017 at 7:12 PM, Sun Paul <paulrbk@gmail.com> wrote:
> > also, how to determine it is OOTB packet?
> can you use systemtap on the host sending abort chunk ?
>
> # stap --all-modules -v -e 'probe
> module("sctp").function("sctp_make_abort").call{print_backtrace();println("");}'
>
> So that we can see how the abort chunk is caused.
Or the perf version:
# perf probe -m sctp -a sctp_make_abort
# perf record -e probe:sctp_make_abort -agR -- <command>
(note the extra -g if compared to what the 1st command outputted)
# perf script
<command> should be either your reproducer or an sleep X that covers the
event.
Marcelo
prev parent reply other threads:[~2017-07-07 23:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-01 17:02 ABORT after COOKIE_ECHO Sun Paul
2017-07-01 17:11 ` Marcelo Ricardo Leitner
2017-07-01 17:29 ` Sun Paul
2017-07-01 17:47 ` Marcelo
2017-07-03 2:56 ` Sun Paul
2017-07-03 7:12 ` Sun Paul
2017-07-07 11:23 ` Xin Long
2017-07-07 23:03 ` Marcelo [this message]
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