From: Elazar Leibovich <elazar.leibovich@ravellosystems.com>
To: sahil aggarwal <sahil.agg15@gmail.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: Translation to File name in sys_enter_open
Date: Mon, 6 Apr 2015 20:21:39 +0300 [thread overview]
Message-ID: <CAL2Y34Cb7YEkwJ24K9gCpN4cWDBxsrU=0HQOYXtEXihLUmdpsw@mail.gmail.com> (raw)
In-Reply-To: <CAGAANTWqLq4j-2rn=FPxOYw-dgG-2ed-JZfiQy76zB7WU4iA4Q@mail.gmail.com>
I don't think you really can do that in the general case. I guess that
you can check the CWD of the running process, and calculate the
absolute path from it. Though, of course, you don't know the exact
state of the filesystem when the event occured.
On Mon, Apr 6, 2015 at 1:08 PM, sahil aggarwal <sahil.agg15@gmail.com> wrote:
> Hi
>
> I enabled sampling on tracepoint sys_enter_open but filename field
> returned is address to filename as being passed to the system call,
> how i can translate this to actual file name while reading ring
> buffer.? How perf is doing it.?
>
> Thanks
> Regards
> Sahil
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next prev parent reply other threads:[~2015-04-06 17:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-06 10:08 Translation to File name in sys_enter_open sahil aggarwal
2015-04-06 17:21 ` Elazar Leibovich [this message]
2015-04-07 11:40 ` sahil aggarwal
2015-04-07 12:21 ` Arnaldo Carvalho de Melo
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