From mboxrd@z Thu Jan  1 00:00:00 1970
From: francis.giraldeau@gmail.com (Francis Giraldeau)
Date: Fri, 29 Nov 2013 11:59:11 -0500
Subject: [lttng-dev] Extracting System Call IDs By Using TMF
In-Reply-To: <5298B54A.5080907@ericsson.com>
References: <CAKQh6pji+x7NV4nURCeyozMZkbJJXfAbHvLNJJ95y21CoXT-=Q@mail.gmail.com>
	<5298B54A.5080907@ericsson.com>
Message-ID: <5298C7DF.7090606@gmail.com>

Le 2013-11-29 10:39, Matthew Khouzam a ?crit :
> Hi Shariyar,
> 
> I would like to know what is the need for the syscall id? I looked at
> kernel events, and they store the system call name, not the id? Is it
> for performance reasons, or is there some functionality that can be
> achieved from a call ID that cannot from a name?


For that reason, I implemented a simple syscall event module, that do
not decode arguments:

https://github.com/giraldeau/lttng-modules/blob/addons/addons/lttng-syscall-entry.c

Francis