linux-kernel - Re: [PATCH 5/7] ftrace, perf: Add support to use function tracepoint in perf

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Date:	Fri, 03 Feb 2012 09:07:41 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>, mingo@...hat.com,
	paulus@...ba.org, acme@...stprotocols.net, a.p.zijlstra@...llo.nl,
	linux-kernel@...r.kernel.org, aarapov@...hat.com
Subject: Re: [PATCH 5/7] ftrace, perf: Add support to use function
 tracepoint in perf

On Fri, 2012-02-03 at 14:00 +0100, Jiri Olsa wrote:

> and use FTRACE_ENTRY_REG for ftrace event like:
> 
> FTRACE_ENTRY_REG(function, ftrace_entry,
>         TRACE_FN,
>         F_STRUCT(
>                 __field(        unsigned long,  ip              )
>                 __field(        unsigned long,  parent_ip       )
>         ),
>         F_printk(" %lx <-- %lx", __entry->ip, __entry->parent_ip),
>         perf_ftrace_event_register
> );

This should be fine.

-- Steve


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