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Date:	Mon, 19 Oct 2009 21:59:42 -0400
From:	Ashwin Chaugule <>
To:	Masami Hiramatsu <>
Cc:	Frederic Weisbecker <>,
	Steven Rostedt <>,
	Ingo Molnar <>,
	lkml <>,
	Thomas Gleixner <>,
	Paul Mackerras <>,
Subject: Re: [PATCH -tip tracing/kprobes 0/9] tracing/kprobes, perf: perf 
	probe and kprobe-tracer bugfixes

On Mon, Oct 19, 2009 at 8:30 PM, Masami Hiramatsu <> wrote:
> Actually, perf-probe can add tracepoint-like events. It will allow you
> to probe function inside by both C-source-line level and address level.
> perf-probe already supports inline function too.
> Currently, even its syntax is unstable, but you can add an event inside
> some function which is at cfile.c line 100, as below;
>  perf probe -P 'p:probe1 cfile.c:100'
> and you can trace it by using perf record as same as other tracepoints
>  perf record -f -e kprobes:myprobe:record -F 1 -a ls
>> Alternately, I think even dynamic trace could provide similar insight
>> with perfevents ? If none of this is already done, I plan to work on
>> this in my spare time and would like to team up with anyone else
>> interested.
> Yes, it's done as I said above.
> But it still has long TODO list, including support type of arguments,
> arrays, fields of structures and so on (of course, defining useful
> syntax too). So any comments and contributes are welcome :-)
Excellent ! Time to give it a spin :)

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