From mboxrd@z Thu Jan  1 00:00:00 1970
From: compudj@krystal.dyndns.org (Mathieu Desnoyers)
Date: Fri, 5 Dec 2008 07:29:02 -0500
Subject: [ltt-dev] Another question on sys_futex
In-Reply-To: <8d94e9280812040457y14f2777ds704f54c105b19191@mail.gmail.com>
References: <8d94e9280812040457y14f2777ds704f54c105b19191@mail.gmail.com>
Message-ID: <20081205122902.GB25816@Krystal>

* Gian Lorenzo Meocci (glmeocci at gmail.com) wrote:
> Hi all,
> 
> I have another problem. If I look in the LTTng (using lttv) I obtain
> something like this:
> 
> kernel_syscall_entry: 2059926.457278322 (/tmp/trace1/cpu_0), 22193,
> 22155, ./fftw, , 22189, 0x0, SYSCALL { ip = 0xffffe424, syscall_id =
> 240 [sys_futex+0x0/0x120] }
> 
> This is a sys_futex call entry, but I don't know if op is a FUTEX_WAIT
> or FUTEX_WAKE. What can I do to obtain this information?
> 

I guess you'll have to start adding markers in the futex code as a
temporary solution to extract this information.

Mathieu

> thanks again,
> 
> -- 
> Ing. Gian Lorenzo Meocci
> http://www.meocci.it
> 
> _______________________________________________
> ltt-dev mailing list
> ltt-dev at lists.casi.polymtl.ca
> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
> 

-- 
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68