From mboxrd@z Thu Jan  1 00:00:00 1970
From: gnurou@gmail.com (Alexandre Courbot)
Date: Thu, 27 Jan 2011 13:41:02 +0900
Subject: can we measure the traffic between user and kernel mode
In-Reply-To: <AANLkTiksUo65ruZNt+fu=iFiOVePE76jm7vHzce=+8gG@mail.gmail.com>
References: <AANLkTiksUo65ruZNt+fu=iFiOVePE76jm7vHzce=+8gG@mail.gmail.com>
Message-ID: <AANLkTikfdYh5wF=HmfyN+hES7WE3tPUmB7cCgNZK7xt6@mail.gmail.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

> Is there any directory under proc/sys or tools that can help us to
> measure the traffic between user and kernel mode?
> (such as ioctl, open, close, etc.)

Not that I know of, but you can use strace in order to monitor system
calls performed by a particular application.

Alex.